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Sample records for stephensi-an asian malarial

  1. Bacterial diversity analysis of larvae and adult midgut microflora using culture-dependent and culture-independent methods in lab-reared and field-collected Anopheles stephensi-an Asian malarial vector

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    Adak Tridibesh

    2009-05-01

    Full Text Available Abstract Background Mosquitoes are intermediate hosts for numerous disease causing organisms. Vector control is one of the most investigated strategy for the suppression of mosquito-borne diseases. Anopheles stephensi is one of the vectors of malaria parasite Plasmodium vivax. The parasite undergoes major developmental and maturation steps within the mosquito midgut and little is known about Anopheles-associated midgut microbiota. Identification and characterization of the mosquito midgut flora is likely to contribute towards better understanding of mosquito biology including longevity, reproduction and mosquito-pathogen interactions that are important to evolve strategies for vector control mechanisms. Results Lab-reared and field-collected A. stephensi male, female and larvae were screened by "culture-dependent and culture-independent" methods. Five 16S rRNA gene library were constructed form lab and field-caught A. stephensi mosquitoes and a total of 115 culturable isolates from both samples were analyzed further. Altogether, 68 genera were identified from midgut of adult and larval A. stephensi, 53 from field-caught and 15 from lab-reared mosquitoes. A total of 171 and 44 distinct phylotypes having 85 to 99% similarity with the closest database matches were detected among field and lab-reared A. stephensi midgut, respectively. These OTUs had a Shannon diversity index value of 1.74–2.14 for lab-reared and in the range of 2.75–3.49 for field-caught A. stephensi mosquitoes. The high species evenness values of 0.93 to 0.99 in field-collected adult and larvae midgut flora indicated the vastness of microbial diversity retrieved by these approaches. The dominant bacteria in field-caught adult male A. stephensi were uncultured Paenibacillaceae while in female and in larvae it was Serratia marcescens, on the other hand in lab-reared mosquitoes, Serratia marcescens and Cryseobacterium meninqosepticum bacteria were found to be abundant. Conclusion More than fifty percent of the phylotypes were related to uncultured class of bacteria. Interestingly, several of the bacteria identified are related to the known symbionts in other insects. Few of the isolates identified in our study are found to be novel species within the gammaproteobacteria which could not be phylogenetically placed within known classes. To the best of our knowledge, this is the first attempt to study the midgut microbiota of A. stephensi from lab-reared and field-collected adult and larvae using "culture-dependent and independent methods".

  2. Extraction of mosquitocidals from Ocimum canum leaves for the control of dengue and malarial vectors

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    Pari Madhiyazhagan

    2014-09-01

    Full Text Available Objective: To assess the potentiality of Ocimum canum (O. canum (Lamiaceae in larvicidal, pupicidal, adulticidal, and repellent activities against the malarial vector, Anopheles stephensi (An. stephensi and the dengue vector, Aedes aegypti (Ae. aegypti. Methods: The mosquitocidal activity of methanol extracts from O. canum against immature and adult An. stephensi and Ae. aegypti (L. were studied. Standard WHO bioassays were used to evaluate the effectiveness of the plant extract against mosquitoes. Results: The methanol extract of O. canum was very effective against the immature stages of An. stephensi (LC50=193.280, 240.551, 303.409, 374.936 and pupa 469.547 mg/L and Ae. aegypti (LC 50=242.071, 287.277, 332.668, 394.061 and pupa 457.879 mg/L. Smoke toxicity assay showed significant mortality rate against adult An. stephensi (86.6% and Ae. aegypti (84.78%. The number of eggs laid by the females were strictly reduced after exposure to smoke. Conclusions: From the observed results we conclude that O. canum can be used as an effective larvicidal and repellent agent against the malarial and dengue vectors.

  3. Composition of Anopheles Species Collected from Selected Malarious Areas of Afghanistan and Iran

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    Helen Hoosh-Deghati

    2017-10-01

    Full Text Available Background: Malarious areas in Iran are close to Afghanistan and Pakistan that urge the researchers to extend their knowledge on malaria epidemiology to the neighboring countries as well. Vectorial capacity differs at species or even at population level, the first essential step is accurate identification of vectors. This study aimed to identify Anopheles species composition in selected malarious areas of Afghanistan and Iran, providing further applied data for other research in two countries.Methods: Adults Anopheles spp. were collected from four provinces in Afghanistan (Badakhshan, Herat, Kunduz, Nangarhar by pyrethrum spray catch, hand collection methods through WHO/EMRO coordination and from Chaba­har County in Iran by pyrethrum spray catch method. Identification was performed using reliable identification key.Results: Totally, 800 female Anopheles mosquitos, 400 from each country were identified at species level. Anophe­les composition in Afghanistan was An. superpictus, An. stephensi and An. hyrcanus. Most prevalent species in Ba­dakhshan and Kunduz were An. superpictus, whereas An. stephensi and An. hyrcanus were respectively found in Nangarhar and Heart. Anopheles species in Chabahar County of Iran were An. stephensi, An. fluviatilis, An. culicifa­cies and An. sergentii. The most prevalent species was An. stephensi.Conclusion: Current study provides a basis for future research such as detection of Plasmodium infection in col­lected samples which is on process by the authors, also for effective implementation of evidence-based malaria vec­tor intervention strategies.

  4. [Hyper-reactive malarial splenomegaly].

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    Maazoun, F; Deschamps, O; Barros-Kogel, E; Ngwem, E; Fauchet, N; Buffet, P; Froissart, A

    2015-11-01

    Hyper-reactive malarial splenomegaly is a rare and severe form of chronic malaria. This condition is a common cause of splenomegaly in endemic areas. The pathophysiology of hyper-reactive malarial splenomegaly involves an intense immune reaction (predominantly B cell-driven) to repeated/chronic infections with Plasmodium sp. The diagnosis may be difficult, due to a poorly specific clinical presentation (splenomegaly, fatigue, cytopenias), a long delay between residence in a malaria-endemic area and onset of symptoms, and a frequent absence of parasites on conventional thin and thick blood smears. A strongly contributive laboratory parameter is the presence of high levels of total immunoglobulin M. When the diagnostic of hyper-reactive malarial splenomegaly is considered, search for anti-Plasmodium antibodies and Plasmodium nucleic acids (genus and species) by PCR is useful. Diagnosis of hyper-reactive malarial splenomegaly relies on the simultaneous presence of epidemiological, clinical, biological and follow-up findings. Regression of both splenomegaly and hypersplenism following antimalarial therapy allows the differential diagnosis with splenic lymphoma, a common complication of hyper-reactive malarial splenomegaly. Although rare in Western countries, hyper-reactive malarial splenomegaly deserves increased medical awareness to reduce the incidence of incorrect diagnosis, to prevent progression to splenic lymphoma and to avoid splenectomy. Copyright © 2015 Société nationale française de médecine interne (SNFMI). Published by Elsevier SAS. All rights reserved.

  5. The origin of malarial parasites in orangutans.

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    M Andreína Pacheco

    Full Text Available BACKGROUND: Recent findings of Plasmodium in African apes have changed our perspectives on the evolution of malarial parasites in hominids. However, phylogenetic analyses of primate malarias are still missing information from Southeast Asian apes. In this study, we report molecular data for a malaria parasite lineage found in orangutans. METHODOLOGY/PRINCIPAL FINDINGS: We screened twenty-four blood samples from Pongo pygmaeus (Kalimantan, Indonesia for Plasmodium parasites by PCR. For all the malaria positive orangutan samples, parasite mitochondrial genomes (mtDNA and two antigens: merozoite surface protein 1 42 kDa (MSP-1(42 and circumsporozoite protein gene (CSP were amplified, cloned, and sequenced. Fifteen orangutans tested positive and yielded 5 distinct mitochondrial haplotypes not previously found. The haplotypes detected exhibited low genetic divergence among them, indicating that they belong to one species. We report phylogenetic analyses using mitochondrial genomes, MSP-1(42 and CSP. We found that the orangutan malaria parasite lineage was part of a monophyletic group that includes all the known non-human primate malaria parasites found in Southeast Asia; specifically, it shares a recent common ancestor with P. inui (a macaque parasite and P. hylobati (a gibbon parasite suggesting that this lineage originated as a result of a host switch. The genetic diversity of MSP-1(42 in orangutans seems to be under negative selection. This result is similar to previous findings in non-human primate malarias closely related to P. vivax. As has been previously observed in the other Plasmodium species found in non-human primates, the CSP shows high polymorphism in the number of repeats. However, it has clearly distinctive motifs from those previously found in other malarial parasites. CONCLUSION: The evidence available from Asian apes indicates that these parasites originated independently from those found in Africa, likely as the result of host

  6. Hyperreactive malarial splenomegaly in Venezuela.

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    Torres, J; Noya, O; Mondolfi, A; Peceño, C; Botto, C

    1988-07-01

    A cross-sectional seroepidemiological survey seeking hyperreactive malarial splenomegaly was carried out in isolated Yanomami hamlets in Amazonas Territory in Venezuela. All 110 inhabitants greater than 1 year of age were evaluated clinically and 98 were studied immunologically. The spleen index for individuals greater than 10 years of age was 44%. Only 3 patients had Plasmodium spp. on thick blood smears. All had serological evidence of infection with Plasmodium falciparum and P. vivax. Twenty-three patients were considered to show hyperreactive malarial splenomegaly. Clinical manifestations of the syndrome did not differ from those described in other parts of the world.

  7. [New concepts in hyperactive malarial splenomegaly].

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    Moraes, M F; Soares, M; Arroz, M J; Do Rosário, V E; Da Graça, J Pimenta; Abecasis, P

    2003-01-01

    Hyperreactive malarial splenomegaly is thought to represent an immunological dysfunction due to recurrent episodes of malaria. The authors present a case of hyperreactive malarial splenomegaly in a patient from São Tomé e Príncipe and discuss aspects of its differential diagnosis and treatment. A revision is made of recent concepts related to its pathogenesis and relationship with lymphoproliferative disorders. Malarial DNA was found in the absence of parasite forms in the peripheral blood. This may indicate that latent infection plays a role in its pathogenesis.

  8. Poisoning by anti-malarial drugs

    African Journals Online (AJOL)

    had taken chloroquine: no other anti-malarial drugs were involved [1]. ... and angio-oedema have been described. Itching without a ... 15mg/L the risk of permanent visual damage and cardiac dysrhythmias is ... to use an alternative method.

  9. Sir Ronald Ross and the Malarial Parasite

    Indian Academy of Sciences (India)

    Home; Journals; Resonance – Journal of Science Education; Volume 11; Issue 7. Sir Ronald Ross and the Malarial Parasite - Discovery of its Route - From Man to Mosquito and Back. Shobhona Sharma. General Article Volume 11 Issue 7 July 2006 pp 4-13 ...

  10. Anti-malarial activities of Andrographis paniculata and Hedyotis corymbosa extracts and their combination with curcumin

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    Swain Bijay K

    2009-02-01

    Full Text Available Abstract Background Herbal extracts of Andrographis paniculata (AP and Hedyotis corymbosa (HC are known as hepato-protective and fever-reducing drugs since ancient time and they have been used regularly by the people in the south Asian sub-continent. Methanolic extracts of these two plants were tested in vitro on choloroquine sensitive (MRC-pf-20 and resistant (MRC-pf-303 strains of Plasmodium falciparum for their anti-malarial activity. Methods Growth inhibition was determined using different concentrations of these plant extracts on synchronized P. falciparum cultures at the ring stage. The interactions between these two plant extracts and individually with curcumin were studied in vitro. The performance of these two herbal extracts in isolation and combination were further evaluated in vivo on Balb/c mice infected with Plasmodium berghei ANKA and their efficacy was compared with that of curcumin. The in vivo toxicity of the plant derived compounds as well as their parasite stage-specificity was studied. Results The 50% inhibitory concentration (IC50 of AP (7.2 μg/ml was found better than HC (10.8 μg/ml. Combination of these two herbal drugs showed substantial enhancement in their anti-malarial activity. Combinatorial effect of each of these with curcumin also revealed anti-malarial effect. Additive interaction between the plant extracts (AP + HC and their individual synergism with curcumin (AP+CUR, HC+CUR were evident from this study. Increased in vivo potency was also observed with the combination of plant extracts over the individual extracts and curcumin. Both the plant extracts were found to inhibit the ring stage of the parasite and did not show any in vivo toxicity, whether used in isolation or in combination. Conclusion Both these two plant extracts in combination with curcumin could be an effective, alternative source of herbal anti-malarial drugs.

  11. Anti-malarial activities of Andrographis paniculata and Hedyotis corymbosa extracts and their combination with curcumin

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    Mishra, Kirti; Dash, Aditya P; Swain, Bijay K; Dey, Nrisingha

    2009-01-01

    Background Herbal extracts of Andrographis paniculata (AP) and Hedyotis corymbosa (HC) are known as hepato-protective and fever-reducing drugs since ancient time and they have been used regularly by the people in the south Asian sub-continent. Methanolic extracts of these two plants were tested in vitro on choloroquine sensitive (MRC-pf-20) and resistant (MRC-pf-303) strains of Plasmodium falciparum for their anti-malarial activity. Methods Growth inhibition was determined using different concentrations of these plant extracts on synchronized P. falciparum cultures at the ring stage. The interactions between these two plant extracts and individually with curcumin were studied in vitro. The performance of these two herbal extracts in isolation and combination were further evaluated in vivo on Balb/c mice infected with Plasmodium berghei ANKA and their efficacy was compared with that of curcumin. The in vivo toxicity of the plant derived compounds as well as their parasite stage-specificity was studied. Results The 50% inhibitory concentration (IC50) of AP (7.2 μg/ml) was found better than HC (10.8 μg/ml). Combination of these two herbal drugs showed substantial enhancement in their anti-malarial activity. Combinatorial effect of each of these with curcumin also revealed anti-malarial effect. Additive interaction between the plant extracts (AP + HC) and their individual synergism with curcumin (AP+CUR, HC+CUR) were evident from this study. Increased in vivo potency was also observed with the combination of plant extracts over the individual extracts and curcumin. Both the plant extracts were found to inhibit the ring stage of the parasite and did not show any in vivo toxicity, whether used in isolation or in combination. Conclusion Both these two plant extracts in combination with curcumin could be an effective, alternative source of herbal anti-malarial drugs. PMID:19216765

  12. Anti-malarial Drug Design by Targeting Apicoplasts: New Perspectives

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    Avinaba Mukherjee

    2016-03-01

    Full Text Available Objectives: Malaria has been a major global health problem in recent times with increasing mortality. Current treatment methods include parasiticidal drugs and vaccinations. However, resistance among malarial parasites to the existing drugs has emerged as a significant area of concern in anti-malarial drug design. Researchers are now desperately looking for new targets to develop anti-malarials drug which is more target specific. Malarial parasites harbor a plastid-like organelle known as the ‘apicoplast’, which is thought to provide an exciting new outlook for the development of drugs to be used against the parasite. This review elaborates on the current state of development of novel compounds targeted againstemerging malaria parasites. Methods: The apicoplast, originates by an endosymbiotic process, contains a range of metabolic pathways and housekeeping processes that differ from the host body and thereby presents ideal strategies for anti-malarial drug therapy. Drugs are designed by targeting the unique mechanism of the apicoplasts genetic machinery. Several anabolic and catabolic processes, like fatty acid, isopenetyl diphosphate and heme synthess in this organelle, have also been targeted by drugs. Results: Apicoplasts offer exciting opportunities for the development of malarial treatment specific drugs have been found to act by disrupting this organelle’s function, which wouldimpede the survival of the parasite. Conclusion: Recent advanced drugs, their modes of action, and their advantages in the treatment of malaria by using apicoplasts as a target are discussed in this review which thought to be very useful in desigining anti-malarial drugs. Targetting the genetic machinery of apicoplast shows a great advantange regarding anti-malarial drug design. Critical knowledge of these new drugs would give a healthier understanding for deciphering the mechanism of action of anti-malarial drugs when targeting apicoplasts to overcome drug

  13. Vessel discoloration detection in malarial retinopathy

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    Agurto, C.; Nemeth, S.; Barriga, S.; Soliz, P.; MacCormick, I.; Taylor, T.; Harding, S.; Lewallen, S.; Joshi, V.

    2016-03-01

    Cerebral malaria (CM) is a life-threatening clinical syndrome associated with malarial infection. It affects approximately 200 million people, mostly sub-Saharan African children under five years of age. Malarial retinopathy (MR) is a condition in which lesions such as whitening and vessel discoloration that are highly specific to CM appear in the retina. Other unrelated diseases can present with symptoms similar to CM, therefore the exact nature of the clinical symptoms must be ascertained in order to avoid misdiagnosis, which can lead to inappropriate treatment and, potentially, death. In this paper we outline the first system to detect the presence of discolored vessels associated with MR as a means to improve the CM diagnosis. We modified and improved our previous vessel segmentation algorithm by incorporating the `a' channel of the CIELab color space and noise reduction. We then divided the segmented vasculature into vessel segments and extracted features at the wall and in the centerline of the segment. Finally, we used a regression classifier to sort the segments into discolored and not-discolored vessel classes. By counting the abnormal vessel segments in each image, we were able to divide the analyzed images into two groups: normal and presence of vessel discoloration due to MR. We achieved an accuracy of 85% with sensitivity of 94% and specificity of 67%. In clinical practice, this algorithm would be combined with other MR retinal pathology detection algorithms. Therefore, a high specificity can be achieved. By choosing a different operating point in the ROC curve, our system achieved sensitivity of 67% with specificity of 100%.

  14. prevalence of malarial parasites in pregnant women attending sir

    African Journals Online (AJOL)

    DR. AMINU

    Keyword: Prevalence, Malarial Parasite, Pregnant Women, Kano. INTRODUCTION ... protective semi-immunity against plasmodium falciparum is acquired during the first 10-. 15 years of life and .... hiding place for the mosquito? It is therefore ...

  15. Intravenous ferric carboxymaltose accelerates erythropoietic recovery from experimental malarial anemia

    DEFF Research Database (Denmark)

    Maretty, Lasse; Sharp, Rebecca Emilie; Andersson, Mikael

    2012-01-01

    Iron restriction has been proposed as a cause of erythropoietic suppression in malarial anemia; however, the role of iron in malaria remains controversial, because it may increase parasitemia. To investigate the role of iron-restricted erythropoiesis, A/J mice were infected with Plasmodium chabaudi...... use of iron therapy in malaria and show the need for trials of intravenous ferric carboxymaltose as an adjunctive treatment for severe malarial anemia....

  16. Postpartum Aplastic Anemia Presenting as Pancytopenia Due to Malarial Infection

    International Nuclear Information System (INIS)

    Shah, M. U.; Sundhu, M. A.; Hussain, M. Z.

    2013-01-01

    Pancytopenia is a condition with decreased numbers of all cell lines. Aplastic anemia is a common cause although malarial infection causing lysis of RBCs may also partly mimic this condition. The infection may also damage the patient's bone marrow resulting in pancytopenia as well. We present the case of a post-partum female patient who reported with fever, body aches and shortness of breath one month after the delivery of her baby. All blood cell counts were decreased and peripheral blood smear showed malarial parasites. Anti-malarial treatment was initiated following which the fever subsided but, despite regular transfusions, the blood counts remained low. Bone marrow biopsy report revealed P. falciparum pigments along with hypocellularity characteristic of severe aplastic anemia. Consequently, bone marrow transplantation was advised as a therapeutic measure. This case report highlights the increased susceptibility of pregnant women to malaria in endemic areas and subsequent aplastic anemia. (author)

  17. A rodent malarial model of Plasmodium berghei for the development ...

    African Journals Online (AJOL)

    A rodent malarial model of Plasmodium berghei for the development of pyrimethamine and sulphadoxine-pyrimethamine resistant malaria in mice. ... course approach with 125/6.25mg/kg S/P. The stability of resistance phenotypes, parasite pathogenic disposition and host leukocyte response were also investigated.

  18. Hyper-reactive Malarial Splenomegaly: A Case Report and Review ...

    African Journals Online (AJOL)

    Hyper-reactive malarial splenomegaly is thought to represent a dysfunctional immune response to recurrent malaria infection. A 14 year old male child with hms, hypersplenism, ascites and peripheral lymphadenopathy is reported. There was initial poor response to proguanil aggravated by non compliance. He was started ...

  19. Current trends in malarial chemotherapy | Ibezim | African Journal of ...

    African Journals Online (AJOL)

    Malaria is a tropical disease caused by the genus Plasmodium. The sexual stage of the plasmodium is carried by mosquito while the asexual stage is carried by man. Transmission from the mosquito to man is through mosquito bite. Commonly presented symptoms of malarial attack include fever, weakness, anorexia, and ...

  20. QSAR models for anti-malarial activity of 4-aminoquinolines.

    Science.gov (United States)

    Masand, Vijay H; Toropov, Andrey A; Toropova, Alla P; Mahajan, Devidas T

    2014-03-01

    In the present study, predictive quantitative structure - activity relationship (QSAR) models for anti-malarial activity of 4-aminoquinolines have been developed. CORAL, which is freely available on internet (http://www.insilico.eu/coral), has been used as a tool of QSAR analysis to establish statistically robust QSAR model of anti-malarial activity of 4-aminoquinolines. Six random splits into the visible sub-system of the training and invisible subsystem of validation were examined. Statistical qualities for these splits vary, but in all these cases, statistical quality of prediction for anti-malarial activity was quite good. The optimal SMILES-based descriptor was used to derive the single descriptor based QSAR model for a data set of 112 aminoquinolones. All the splits had r(2)> 0.85 and r(2)> 0.78 for subtraining and validation sets, respectively. The three parametric multilinear regression (MLR) QSAR model has Q(2) = 0.83, R(2) = 0.84 and F = 190.39. The anti-malarial activity has strong correlation with presence/absence of nitrogen and oxygen at a topological distance of six.

  1. Management of severe malarial anaemia in Gambian children

    NARCIS (Netherlands)

    Bojang, K. A.; Palmer, A.; Boele van Hensbroek, M.; Banya, W. A.; Greenwood, B. M.

    1997-01-01

    The optimum management of children with severe malarial anaemia is still uncertain. Hence, we have undertaken a study to determine whether iron treatment is as effective at restoring haemoglobin levels one month after presentation as blood transfusion without iron treatment in children with

  2. Malarial infection among HIV Patients on Antiretroviral Therapy (ART)

    African Journals Online (AJOL)

    Malarial infection among patients on antiretroviral therapy (ART) attending Federal Medical Centre, Makurdi, Benue State was investigated between April and August 2008 to determine the level of malaria infection in HIV/AIDS patients on ART and those not on ART with respect to CD4+ counts, age and gender. A total of ...

  3. Zur Verbreitung von Phaethornis malaris (Nordmann) (Aves, Trochilidae)

    NARCIS (Netherlands)

    Mees, G.F.

    1977-01-01

    Obwohl der Kolibri Phaethornis malaris (Nordmann) der Wissenschaft wahrscheinlich schon vor Ausgang des XVIII. Jahrhunderts bekannt war (eine Abbildung findet sich in Audebert & Vieillot, 1802: 37, T. 17) und 1835 die wissenschaftliche Benennung erfolgte (Nordmann, 1835), war er nur aus einem

  4. Hemozoin (malarial pigment directly promotes apoptosis of erythroid precursors.

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    Abigail A Lamikanra

    2009-12-01

    Full Text Available Severe malarial anemia is the most common syndrome of severe malaria in endemic areas. The pathophysiology of chronic malaria is characterised by a striking degree of abnormal development of erythroid precursors (dyserythropoiesis and an inadequate erythropoietic response in spite of elevated levels of erythropoietin. The cause of dyserythropoiesis is unclear although it has been suggested that bone-marrow macrophages release cytokines, chemokines or lipo-peroxides after exposure to hemozoin, a crystalloid form of undigested heme moieties from malarial infected erythrocytes, and so inhibit erythropoiesis. However, we have previously shown that hemozoin may directly inhibit erythroid development in vitro and the levels of hemozoin in plasma from patients with malarial anemia and hemozoin within the bone marrow was associated with reduced reticulocyte response. We hypothesized that macrophages may reduce, not enhance, the inhibitory effect of hemozoin on erythropoiesis. In an in vitro model of erythropoiesis, we now show that inhibition of erythroid cell development by hemozoin isolated from P. falciparum is characterised by delayed expression of the erythroid markers and increased apoptosis of progenitor cells. Crucially, macrophages appear to protect erythroid cells from hemozoin, consistent with a direct contribution of hemozoin to the depression of reticulocyte output from the bone marrow in children with malarial anemia. Moreover, hemozoin isolated from P. falciparum in vitro inhibits erythroid development independently of inflammatory mediators by inducing apoptotic pathways that not only involve activation of caspase 8 and cleavage of caspase 3 but also loss of mitochondrial potential. Taken together these data are consistent with a direct effect of hemozoin in inducing apoptosis in developing erythroid cells in malarial anemia. Accumulation of hemozoin in the bone marrow could therefore result in inadequate reticulocytosis in children that

  5. Automated detection of retinal whitening in malarial retinopathy

    Science.gov (United States)

    Joshi, V.; Agurto, C.; Barriga, S.; Nemeth, S.; Soliz, P.; MacCormick, I.; Taylor, T.; Lewallen, S.; Harding, S.

    2016-03-01

    Cerebral malaria (CM) is a severe neurological complication associated with malarial infection. Malaria affects approximately 200 million people worldwide, and claims 600,000 lives annually, 75% of whom are African children under five years of age. Because most of these mortalities are caused by the high incidence of CM misdiagnosis, there is a need for an accurate diagnostic to confirm the presence of CM. The retinal lesions associated with malarial retinopathy (MR) such as retinal whitening, vessel discoloration, and hemorrhages, are highly specific to CM, and their detection can improve the accuracy of CM diagnosis. This paper will focus on development of an automated method for the detection of retinal whitening which is a unique sign of MR that manifests due to retinal ischemia resulting from CM. We propose to detect the whitening region in retinal color images based on multiple color and textural features. First, we preprocess the image using color and textural features of the CMYK and CIE-XYZ color spaces to minimize camera reflex. Next, we utilize color features of the HSL, CMYK, and CIE-XYZ channels, along with the structural features of difference of Gaussians. A watershed segmentation algorithm is used to assign each image region a probability of being inside the whitening, based on extracted features. The algorithm was applied to a dataset of 54 images (40 with whitening and 14 controls) that resulted in an image-based (binary) classification with an AUC of 0.80. This provides 88% sensitivity at a specificity of 65%. For a clinical application that requires a high specificity setting, the algorithm can be tuned to a specificity of 89% at a sensitivity of 82%. This is the first published method for retinal whitening detection and combining it with the detection methods for vessel discoloration and hemorrhages can further improve the detection accuracy for malarial retinopathy.

  6. Molecular markers of anti-malarial drug resistance in Lahj Governorate, Yemen: baseline data and implications

    Directory of Open Access Journals (Sweden)

    Chance Michael L

    2011-08-01

    Full Text Available Abstract Background This is an investigation of anti-malarial molecular markers coupled with a therapeutic efficacy test of chloroquine (CQ against falciparum malaria in an area of unstable malaria in Lahj Governorate, Yemen. The study was aimed at assessment of therapeutic response to CQ and elucidation of baseline information on molecular markers for Plasmodium falciparum resistance against CQ and sulphadoxine/pyrimethamine (SP. Methods Between 2002 and 2003 the field test was conducted according to the standard WHO protocol to evaluate the therapeutic efficacy of CQ in 124 patients with falciparum malaria in an endemic area in Lahj Governorate in Yemen. Blood samples collected during this study were analysed for P. falciparum chloroquine resistance transporter gene (pfcrt-76 polymorphisms, mutation pfcrt-S163R and the antifolate resistance-associated mutations dihydrofolate reductase (dhfr-C59R and dihydropteroate synthase (dhps-K540E. Direct DNA sequencing of the pfcrt gene from three representative field samples was carried out after DNA amplification of the 13 exons of the pfcrt gene. Results Treatment failure was detected in 61% of the 122 cases that completed the 14-day follow-up. The prevalence of mutant pfcrt T76 was 98% in 112 amplified pre-treatment samples. The presence of pfcrt T76 was poorly predictive of in vivo CQ resistance (PPV = 61.8%, 95% CI = 52.7-70.9. The prevalence of dhfr Arg-59 mutation in 99 amplified samples was 5%, while the dhps Glu-540 was not detected in any of 119 amplified samples. Sequencing the pfcrt gene confirmed that Yemeni CQ resistant P. falciparum carry the old world (Asian and African CQ resistant haplotype CVIETSESI at positions 72,73,74,75,76,220,271, 326 and 371. Conclusion This is the first study to report baseline information on the characteristics and implications of anti-malarial drug resistance markers in Yemen. It is also the first report of the haplotype associated with CQR P. falciparum

  7. Molecular markers of anti-malarial drug resistance in Lahj Governorate, Yemen: baseline data and implications.

    Science.gov (United States)

    Mubjer, Reem A; Adeel, Ahmed A; Chance, Michael L; Hassan, Amir A

    2011-08-21

    This is an investigation of anti-malarial molecular markers coupled with a therapeutic efficacy test of chloroquine (CQ) against falciparum malaria in an area of unstable malaria in Lahj Governorate, Yemen. The study was aimed at assessment of therapeutic response to CQ and elucidation of baseline information on molecular markers for Plasmodium falciparum resistance against CQ and sulphadoxine/pyrimethamine (SP). Between 2002 and 2003 the field test was conducted according to the standard WHO protocol to evaluate the therapeutic efficacy of CQ in 124 patients with falciparum malaria in an endemic area in Lahj Governorate in Yemen. Blood samples collected during this study were analysed for P. falciparum chloroquine resistance transporter gene (pfcrt)-76 polymorphisms, mutation pfcrt-S163R and the antifolate resistance-associated mutations dihydrofolate reductase (dhfr)-C59R and dihydropteroate synthase (dhps)-K540E. Direct DNA sequencing of the pfcrt gene from three representative field samples was carried out after DNA amplification of the 13 exons of the pfcrt gene. Treatment failure was detected in 61% of the 122 cases that completed the 14-day follow-up. The prevalence of mutant pfcrt T76 was 98% in 112 amplified pre-treatment samples. The presence of pfcrt T76 was poorly predictive of in vivo CQ resistance (PPV = 61.8%, 95% CI = 52.7-70.9). The prevalence of dhfr Arg-59 mutation in 99 amplified samples was 5%, while the dhps Glu-540 was not detected in any of 119 amplified samples. Sequencing the pfcrt gene confirmed that Yemeni CQ resistant P. falciparum carry the old world (Asian and African) CQ resistant haplotype CVIETSESI at positions 72,73,74,75,76,220,271, 326 and 371. This is the first study to report baseline information on the characteristics and implications of anti-malarial drug resistance markers in Yemen. It is also the first report of the haplotype associated with CQR P. falciparum parasites from Yemen. Mutant pfcrtT76 is highly prevalent but it

  8. Mechanochemical Synthesis, In vivo Anti-malarial and Safety Evaluation of Amodiaquine-zinc Complex

    Directory of Open Access Journals (Sweden)

    Arise Rotimi Olusanya

    2017-09-01

    Full Text Available So far, some prospective metal-based anti-malarial drugs have been developed. The mechanochemical synthesis and characterization of Zn (II complex with amodiaquine and its anti-malarial efficacy on Plasmodium berghei-infected mice and safety evaluation were described in this study.

  9. Substandard anti-malarial drugs in Burkina Faso

    Directory of Open Access Journals (Sweden)

    Sie Ali

    2008-05-01

    Full Text Available Abstract Background There is concern about an increasing infiltration of markets by substandard and fake medications against life-threatening diseases in developing countries. This is particularly worrying with regard to the increasing resistance development of Plasmodium falciparum against affordable anti-malarial medications, which has led to a change to more expensive drugs in most endemic countries. Methods A representative sample of modern anti-malarial medications from licensed (public and private pharmacies, community health workers and illicit (market and street vendors, shops sources has been collected in the Nouna Health District in north-western Burkina Faso in 2006. All drugs were tested for their quality with the standard procedures of the German Pharma Health Fund-Minilab. Detected low standard drugs were re-tested with European Pharmacopoeia 2.9.1 standards for disintegration and ultraviolet-visible spectroscopy at the laboratory of the Heidelberg University for confirmation. Results Overall, 86 anti-malarial drug samples were collected, of which 77 samples have been included in the final analysis. The sample consisted of 39/77 (50% chloroquine, 10/77 (13% pyrimethamine-sulphadoxine, 9/77 (12% quinine, 6/77 (8% amodiaquine, 9/77 (12% artesunate, and 4/77 (5% artemether-lumefantrine. 32/77 (42% drug samples were found to be of poor quality, of which 28 samples failed the visual inspection, nine samples had substandard concentrations of the active ingredient, four samples showed poor disintegration, and one sample contained non of the stated active ingredient. The licensed and the illicit market contributed 5/47 (10.6% and 27/30 (90.0% samples of substandard drugs respectively. Conclusion These findings provide further evidence for the wide-spread existence of substandard anti-malarial medications in Africa and call for strengthening of the regulatory and quality control capacity of affected countries, particularly in view of the

  10. Asian Ginseng

    Science.gov (United States)

    ... care provider before using Asian ginseng. Keep in Mind Tell all your health care providers about any ... Privacy and Policies Accessibility en Español FOIA Site Map Contact Us U.S. Department of Health & Human Services , ...

  11. Epidemiological models for the spread of anti-malarial resistance

    Directory of Open Access Journals (Sweden)

    Antia R

    2003-02-01

    Full Text Available Abstract Background The spread of drug resistance is making malaria control increasingly difficult. Mathematical models for the transmission dynamics of drug sensitive and resistant strains can be a useful tool to help to understand the factors that influence the spread of drug resistance, and they can therefore help in the design of rational strategies for the control of drug resistance. Methods We present an epidemiological framework to investigate the spread of anti-malarial resistance. Several mathematical models, based on the familiar Macdonald-Ross model of malaria transmission, enable us to examine the processes and parameters that are critical in determining the spread of resistance. Results In our simplest model, resistance does not spread if the fraction of infected individuals treated is less than a threshold value; if drug treatment exceeds this threshold, resistance will eventually become fixed in the population. The threshold value is determined only by the rates of infection and the infectious periods of resistant and sensitive parasites in untreated and treated hosts, whereas the intensity of transmission has no influence on the threshold value. In more complex models, where hosts can be infected by multiple parasite strains or where treatment varies spatially, resistance is generally not fixed, but rather some level of sensitivity is often maintained in the population. Conclusions The models developed in this paper are a first step in understanding the epidemiology of anti-malarial resistance and evaluating strategies to reduce the spread of resistance. However, specific recommendations for the management of resistance need to wait until we have more data on the critical parameters underlying the spread of resistance: drug use, spatial variability of treatment and parasite migration among areas, and perhaps most importantly, cost of resistance.

  12. Relationships between maternal malaria and malarial immune responses in mothers and neonates

    DEFF Research Database (Denmark)

    Rasheed, F N; Bulmer, J N; De Francisco, A

    1995-01-01

    and schizonts (190L and 190N) were higher in neonates than mothers. There was no clear relationship between maternal malaria and neonatal mean lymphoproliferation to malarial antigens, although fewer neonates responded when mothers were actively infected. Matched maternal and neonatal lymphoproliferation...... responses did not correlate. However, first born neonatal lymphoproliferation to PPD and malarial antigens appeared lower than other neonates, in agreement with lower lymphoproliferation in primigravidae compared with multigravidae. Also in common with mothers, autologous plasma suppressed neonatal...... lymphoproliferation to PPD and malarial antigens, suggesting common immunoregulation. Higher cortisol or other circulating factors in first pregnancies may be implicated. The relevance of cell-mediated malarial immune responses detected at birth remains to be established....

  13. A qualitative assessment of the challenges of WHO prequalification for anti-malarial drugs in China.

    Science.gov (United States)

    Huang, Yangmu; Pan, Ke; Peng, Danlu; Stergachis, Andy

    2018-04-03

    While China is a major manufacturer of artemisinin and its derivatives, it lags as a global leader in terms of the total export value of anti-malarial drugs as finished pharmaceutical products ready for marketing and use by patients. This may be due to the limited number of World Health Organization (WHO) prequalified anti-malarial drugs from China. Understanding the reasons for the slow progress of WHO prequalification (PQ) in China can help improve the current situation and may lead to greater efforts in malaria eradication by Chinese manufacturers. In-depth interviews were conducted in China between November 2014 and December 2016. A total of 26 key informants from central government agencies, pharmaceutical companies, universities, and research institutes were interviewed, all of which had current or previous experience overseeing or implementing anti-malarial research and development in China. Chinese anti-malarial drugs that lack WHO PQ are mainly exported for use in the African private market. High upfront costs with unpredictable benefits, as well as limited information and limited technical support on WHO PQ, were reported as the main barriers to obtain WHO PQ for anti-malarial drugs by respondents from Chinese pharmaceutical companies. Potential incentives identified by respondents included tax relief, human resource training and consultation, as well as other incentives related to drug approval, such as China's Fast Track Channel. Government support, as well as innovative incentives and collaboration mechanisms are needed for further adoption of WHO PQ for anti-malarial drugs in China.

  14. Profile: Asian Americans

    Science.gov (United States)

    ... and Data > Minority Population Profiles > Asian American Profile: Asian Americans Asian American Profile (Map of the US with the top 10 states displaying the largest Asian American population according to the Census Bureau) CA - ...

  15. Does anti-malarial drug knowledge predict anti-malarial dispensing practice in drug outlets? A survey of medicine retailers in western Kenya

    Directory of Open Access Journals (Sweden)

    Rusk Andria

    2012-08-01

    Full Text Available Abstract Background Malaria is a major cause of morbidity and mortality in Kenya, where it is the fifth leading cause of death in both children and adults. Effectively managing malaria is dependent upon appropriate treatment. In Kenya, between 17 to 83 percent of febrile individuals first seek treatment for febrile illness over the counter from medicine retailers. Understanding medicine retailer knowledge and behaviour in treating suspected malaria and dispensing anti-malarials is crucial. Methods To investigate medicine retailer knowledge about anti-malarials and their dispensing practices, a survey was conducted of all retail drug outlets that sell anti-malarial medications and serve residents of the Webuye Health and Demographic Surveillance Site in the Bungoma East District of western Kenya. Results Most of the medicine retailers surveyed (65% were able to identify artemether-lumefantrine (AL as the Kenyan Ministry of Health recommended first-line anti-malarial therapy for uncomplicated malaria. Retailers who correctly identified this treatment were also more likely to recommend AL to adult and paediatric customers. However, the proportion of medicine retailers who recommend the correct treatment is disappointingly low. Only 48% would recommend AL to adults, and 37% would recommend it to children. It was discovered that customer demand has an influence on retailer behaviour. Retailer training and education were found to be correlated with anti-malarial drug knowledge, which in turn is correlated with dispensing practices. Medicine retailer behaviour, including patient referral practice and dispensing practices, are also correlated with knowledge of the first-line anti-malarial medication. The Kenya Ministry of Health guidelines were found to influence retailer drug stocking and dispensing behaviours. Conclusion Most medicine retailers could identify the recommended first-line treatment for uncomplicated malaria, but the percentage that could

  16. [Archives, photographies, maps for malary in Latina Province].

    Science.gov (United States)

    Mosillo, E

    1998-01-01

    After an historical introduction about ancient institutional regime of present Littoria/Latina province (until 1870 organized in Naples kingdom and Papal States), this essay is going to a swift analysis of marshes who reigned all over the land from the periphery of Rome to Fondi, when transient sheperds and woodmen were the only human beings of marshy land. So teachers for that unlettered people came into these lands, and so physicians came to fight against malary, first symbiotic enemy of man. So drainages were tried from Roman's epoch to Medieval and Illuministic one. We'll see Popes, feudal ladies and at last drainage trusts, all working to improve human life before the birth of Latina province. New cities and towns were born just during these trials; after the experiences of Angelo Celli, Italian Red Cross and Istituto per il risanamento antimalarico della regione pontina, many laws looked to medical aid for workers in malaric zones (exactly specified in topographic maps). In 1934 the Comitato provinciale antimalarico was introduced all over italian territory with the R.D.n. 1265.

  17. Assessing the quality of anti-malarial drugs from Gabonese pharmacies using the MiniLab®: a field study

    NARCIS (Netherlands)

    Visser, Benjamin J.; Meerveld-Gerrits, Janneke; Kroon, Daniëlle; Mougoula, Judith; Vingerling, Rieke; Bache, Emmanuel; Boersma, Jimmy; van Vugt, Michèle; Agnandji, Selidji T.; Kaur, Harparkash; Grobusch, Martin P.

    2015-01-01

    Recent studies alluded to the alarming scale of poor anti-malarial drug quality in malaria-endemic countries, but also illustrated the major geographical gaps in data on anti-malarial drug quality from endemic countries. Data are particularly scarce from Central Africa, although it carries the

  18. In vitro and in vivo assessment of the anti-malarial activity of Caesalpinia pluviosa

    Directory of Open Access Journals (Sweden)

    Eberlin Marcos N

    2011-05-01

    Full Text Available Abstract Background To overcome the problem of increasing drug resistance, traditional medicines are an important source for potential new anti-malarials. Caesalpinia pluviosa, commonly named "sibipiruna", originates from Brazil and possess multiple therapeutic properties, including anti-malarial activity. Methods Crude extract (CE was obtained from stem bark by purification using different solvents, resulting in seven fractions. An MTT assay was performed to evaluate cytotoxicity in MCF-7 cells. The CE and its fractions were tested in vitro against chloroquine-sensitive (3D7 and -resistant (S20 strains of Plasmodium falciparum and in vivo in Plasmodium chabaudi-infected mice. In vitro interaction with artesunate and the active C. pluviosa fractions was assessed, and mass spectrometry analyses were conducted. Results At non-toxic concentrations, the 100% ethanolic (F4 and 50% methanolic (F5 fractions possessed significant anti-malarial activity against both 3D7 and S20 strains. Drug interaction assays with artesunate showed a synergistic interaction with the F4. Four days of treatment with this fraction significantly inhibited parasitaemia in mice in a dose-dependent manner. Mass spectrometry analyses revealed the presence of an ion corresponding to m/z 303.0450, suggesting the presence of quercetin. However, a second set of analyses, with a quercetin standard, showed distinct ions of m/z 137 and 153. Conclusions The findings show that the F4 fraction of C. pluviosa exhibits anti-malarial activity in vitro at non-toxic concentrations, which was potentiated in the presence of artesunate. Moreover, this anti-malarial activity was also sustained in vivo after treatment of infected mice. Finally, mass spectrometry analyses suggest that a new compound, most likely an isomer of quercetin, is responsible for the anti-malarial activity of the F4.

  19. Access to artesunate-amodiaquine, quinine and other anti-malarials: policy and markets in Burundi.

    Science.gov (United States)

    Amuasi, John H; Diap, Graciela; Blay-Nguah, Samuel; Boakye, Isaac; Karikari, Patrick E; Dismas, Baza; Karenzo, Jeanne; Nsabiyumva, Lievin; Louie, Karly S; Kiechel, Jean-René

    2011-02-10

    Malaria is the leading cause of morbidity and mortality in post-conflict Burundi. To counter the increasing challenge of anti-malarial drug resistance and improve highly effective treatment Burundi adopted artesunate-amodiaquine (AS-AQ) as first-line treatment for uncomplicated Plasmodium falciparum malaria and oral quinine as second-line treatment in its national treatment policy in 2003. Uptake of this policy in the public, private and non-governmental (NGO) retail market sectors of Burundi is relatively unknown. This study was conducted to evaluate access to national policy recommended anti-malarials. Adapting a standardized methodology developed by Health Action International/World Health Organization (HAI/WHO), a cross-sectional survey of 70 (24 public, 36 private, and 10 NGO) medicine outlets was conducted in three regions of Burundi, representing different levels of transmission of malaria. The availability on day of the survey, the median prices, and affordability (in terms of number of days' wages to purchase treatment) of AS-AQ, quinine and other anti-malarials were calculated. Anti-malarials were stocked in all outlets surveyed. AS-AQ was available in 87.5%, 33.3%, and 90% of public, private, and NGO retail outlets, respectively. Quinine was the most common anti-malarial found in all outlet types. Non-policy recommended anti-malarials were mainly found in the private outlets (38.9%) compared to public (4.2%) and NGO (0%) outlets. The median price of a course of AS-AQ was US$0.16 (200 Burundi Francs, FBu) for the public and NGO markets, and 3.5-fold higher in the private sector (US$0.56 or 700 FBu). Quinine tablets were similarly priced in the public (US$1.53 or 1,892.50 FBu), private and NGO sectors (both US$1.61 or 2,000 FBu). Non-policy anti-malarials were priced 50-fold higher than the price of AS-AQ in the public sector. A course of AS-AQ was affordable at 0.4 of a day's wage in the public and NGO sectors, whereas, it was equivalent to 1.5 days worth

  20. The ACTwatch project: methods to describe anti-malarial markets in seven countries.

    Science.gov (United States)

    Shewchuk, Tanya; O'Connell, Kathryn A; Goodman, Catherine; Hanson, Kara; Chapman, Steven; Chavasse, Desmond

    2011-10-31

    Policy makers, governments and donors are faced with an information gap when considering ways to improve access to artemisinin-based combination therapy (ACT) and malaria diagnostics including rapid diagnostic tests (RDTs). To help address some of these gaps, a five-year multi-country research project called ACTwatch was launched. The project is designed to provide a comprehensive picture of the anti-malarial market to inform national and international anti-malarial drug policy decision-making. The project is being conducted in seven malaria-endemic countries: Benin, Cambodia, the Democratic Republic of Congo, Madagascar, Nigeria, Uganda and Zambia from 2008 to 2012.ACTwatch measures which anti-malarials are available, where they are available and at what price and who they are used by. These indicators are measured over time and across countries through three study components: outlet surveys, supply chain studies and household surveys. Nationally representative outlet surveys examine the market share of different anti-malarials passing through public facilities and private retail outlets. Supply chain research provides a picture of the supply chain serving drug outlets, and measures mark-ups at each supply chain level. On the demand side, nationally representative household surveys capture treatment seeking patterns and use of anti-malarial drugs, as well as respondent knowledge of anti-malarials. The research project provides findings on both the demand and supply side determinants of anti-malarial access. There are four key features of ACTwatch. First is the overlap of the three study components where nationally representative data are collected over similar periods, using a common sampling approach. A second feature is the number and diversity of countries that are studied which allows for cross-country comparisons. Another distinguishing feature is its ability to measure trends over time. Finally, the project aims to disseminate findings widely for decision

  1. The ACTwatch project: methods to describe anti-malarial markets in seven countries

    Directory of Open Access Journals (Sweden)

    Chapman Steven

    2011-10-01

    Full Text Available Abstract Background Policy makers, governments and donors are faced with an information gap when considering ways to improve access to artemisinin-based combination therapy (ACT and malaria diagnostics including rapid diagnostic tests (RDTs. To help address some of these gaps, a five-year multi-country research project called ACTwatch was launched. The project is designed to provide a comprehensive picture of the anti-malarial market to inform national and international anti-malarial drug policy decision-making. Methods The project is being conducted in seven malaria-endemic countries: Benin, Cambodia, the Democratic Republic of Congo, Madagascar, Nigeria, Uganda and Zambia from 2008 to 2012. ACTwatch measures which anti-malarials are available, where they are available and at what price and who they are used by. These indicators are measured over time and across countries through three study components: outlet surveys, supply chain studies and household surveys. Nationally representative outlet surveys examine the market share of different anti-malarials passing through public facilities and private retail outlets. Supply chain research provides a picture of the supply chain serving drug outlets, and measures mark-ups at each supply chain level. On the demand side, nationally representative household surveys capture treatment seeking patterns and use of anti-malarial drugs, as well as respondent knowledge of anti-malarials. Discussion The research project provides findings on both the demand and supply side determinants of anti-malarial access. There are four key features of ACTwatch. First is the overlap of the three study components where nationally representative data are collected over similar periods, using a common sampling approach. A second feature is the number and diversity of countries that are studied which allows for cross-country comparisons. Another distinguishing feature is its ability to measure trends over time. Finally, the

  2. The ACTwatch project: methods to describe anti-malarial markets in seven countries

    Science.gov (United States)

    2011-01-01

    Background Policy makers, governments and donors are faced with an information gap when considering ways to improve access to artemisinin-based combination therapy (ACT) and malaria diagnostics including rapid diagnostic tests (RDTs). To help address some of these gaps, a five-year multi-country research project called ACTwatch was launched. The project is designed to provide a comprehensive picture of the anti-malarial market to inform national and international anti-malarial drug policy decision-making. Methods The project is being conducted in seven malaria-endemic countries: Benin, Cambodia, the Democratic Republic of Congo, Madagascar, Nigeria, Uganda and Zambia from 2008 to 2012. ACTwatch measures which anti-malarials are available, where they are available and at what price and who they are used by. These indicators are measured over time and across countries through three study components: outlet surveys, supply chain studies and household surveys. Nationally representative outlet surveys examine the market share of different anti-malarials passing through public facilities and private retail outlets. Supply chain research provides a picture of the supply chain serving drug outlets, and measures mark-ups at each supply chain level. On the demand side, nationally representative household surveys capture treatment seeking patterns and use of anti-malarial drugs, as well as respondent knowledge of anti-malarials. Discussion The research project provides findings on both the demand and supply side determinants of anti-malarial access. There are four key features of ACTwatch. First is the overlap of the three study components where nationally representative data are collected over similar periods, using a common sampling approach. A second feature is the number and diversity of countries that are studied which allows for cross-country comparisons. Another distinguishing feature is its ability to measure trends over time. Finally, the project aims to disseminate

  3. Acute allergic reaction to oral quinine for malarial prevention: A case report

    Directory of Open Access Journals (Sweden)

    Sora Yasri

    2016-01-01

    Full Text Available Quinine is a classical antimalarial drug that is used worldwide. It is also used for pre-exposure of malaria before visiting to the jungle in the endemic area of malaria. In this article, the authors reported a case of acute allergic reaction to oral quinine for malarial prevention.

  4. Automatic detection and classification of malarial retinopathy- associated retinal whitening in digital retinal images

    International Nuclear Information System (INIS)

    Akram, M.U.; Alvi, A.B.N.; Khan, S.A.

    2017-01-01

    Malarial retinopathy addresses diseases that are characterized by abnormalities in retinal fundus imaging. Macular whitening is one of the distinct signs of cerebral malaria but has hardly been explored as a critical bio-marker. The paper proposes a computerized detection and classification method for malarial retinopathy using retinal whitening as a bio-marker. The paper combines various statistical and color based features to form a sound feature set for accurate detection of retinal whitening. All features are extracted at image level and feature selection is performed to detect most discriminate features. A new method for macula location is also presented. The detected macula location is further used for grading of whitening as macular or peripheral whitening. Support vector machine along with radial basis function is used for classification of normal and malarial retinopathy patients. The evaluation is performed using a locally gathered dataset from malarial patients and it achieves an accuracy of 95% for detection of retinal whitening and 100% accuracy for grading of retinal whitening as macular or non-macular. One of the major contributions of proposed method is grading of retinal whitening into macular or peripheral whitening. (author)

  5. Synthesis and exploration of novel curcumin analogues as anti-malarial agents.

    Science.gov (United States)

    Mishra, Satyendra; Karmodiya, Krishanpal; Surolia, Namita; Surolia, Avadhesha

    2008-03-15

    Curcumin, a major yellow pigment and active component of turmeric, has been shown to possess anti-inflammatory and anti-cancer activities. Recent studies have indicated that curcumin inhibits chloroquine-sensitive (CQ-S) and chloroquine-resistant (CQ-R) Plasmodium falciparum growth in culture with an IC(50) of approximately 3.25 microM (MIC=13.2 microM) and IC(50) 4.21 microM (MIC=14.4 microM), respectively. In order to expand their potential as anti-malarials a series of novel curcumin derivatives were synthesized and evaluated for their ability to inhibit P. falciparum growth in culture. Several curcumin analogues examined show more effective inhibition of P. falciparum growth than curcumin. The most potent curcumin compounds 3, 6, and 11 were inhibitory for CQ-S P. falciparum at IC(50) of 0.48, 0.87, 0.92 microM and CQ-R P. falciparum at IC(50) of 0.45 microM, 0.89, 0.75 microM, respectively. Pyrazole analogue of curcumin (3) exhibited sevenfold higher anti-malarial potency against CQ-S and ninefold higher anti-malarial potency against CQ-R. Curcumin analogues described here represent a novel class of highly selective P. falciparum inhibitors and promising candidates for the design of novel anti-malarial agents.

  6. Properties of the malarial proteins Pf2, Pf9 and PfP0, which support ...

    Indian Academy of Sciences (India)

    Properties of the malarial proteins Pf2, Pf9 and PfP0, which support their roles as immune targets. Antibodies raised to each of these proteins (or purified from immune adults) inhibit the growth of Plasmodium falciparum at the red cell invasion step. The proteins are localized on the parasite cell surface. Each protein is ...

  7. Young Asian Dutch constructing Asianness: Understanding the role of Asian popular culture

    OpenAIRE

    Kartosen, R.A.

    2016-01-01

    This doctoral thesis is about young Asian Dutch, panethnic Asian identities and identifications, and Asian/Asian Dutch popular culture. It addresses several pressing questions, including: why do young Asian Dutch, who were born and/or raised in the Netherlands, identify as Asian and construct Asian identities? What is the content or meaning of these Asian identities and identifications young Asian Dutch imagine? And how do these relate to young Asian Dutch’ Dutch and homeland identities and i...

  8. In silico and in vivo anti-malarial studies of 18β glycyrrhetinic acid from Glycyrrhiza glabra.

    Directory of Open Access Journals (Sweden)

    Komal Kalani

    Full Text Available Malaria is one of the most prevailing fatal diseases causing between 1.2 and 2.7 million deaths all over the world each year. Further, development of resistance against the frontline anti-malarial drugs has created an alarming situation, which requires intensive drug discovery to develop new, more effective, affordable and accessible anti-malarial agents possessing novel modes of action. Over the past few years triterpenoids from higher plants have shown a wide range of anti-malarial activities. As a part of our drug discovery program for anti-malarial agents from Indian medicinal plants, roots of Glycyrrhizaglabra were chemically investigated, which resulted in the isolation and characterization of 18β-glycyrrhetinic acid (GA as a major constituent. The in vitro studies against P. falciparum showed significant (IC50 1.69 µg/ml anti-malarial potential for GA. Similarly, the molecular docking studies showed adequate docking (LibDock score of 71.18 for GA and 131.15 for standard anti-malarial drug chloroquine. Further, in silico pharmacokinetic and drug-likeness studies showed that GA possesses drug-like properties. Finally, in vivo evaluation showed a dose dependent anti-malarial activity ranging from 68-100% at doses of 62.5-250 mg/kg on day 8. To the best of our knowledge this is the first ever report on the anti-malarial potential of GA. Further work on optimization of the anti-malarial lead is under progress.

  9. Mass anti-malarial administration in western Cambodia: a qualitative study of factors affecting coverage.

    Science.gov (United States)

    Pell, Christopher; Tripura, Rupam; Nguon, Chea; Cheah, Phaikyeong; Davoeung, Chan; Heng, Chhouen; Dara, Lim; Sareth, Ma; Dondorp, Arjen; von Seidlein, Lorenz; Peto, Thomas J

    2017-05-19

    Mass anti-malarial administration has been proposed as a key component of the Plasmodium falciparum malaria elimination strategy in the Greater Mekong sub-Region. Its effectiveness depends on high levels of coverage in the target population. This article explores the factors that influenced mass anti-malarial administration coverage within a clinical trial in Battambang Province, western Cambodia. Qualitative data were collected through semi-structured interviews and focus group discussions with villagers, in-depth interviews with study staff, trial drop-outs and refusers, and observations in the communities. Interviews were audio-recorded, transcribed and translated from Khmer to English for qualitative content analysis using QSR NVivo. Malaria was an important health concern and villagers reported a demand for malaria treatment. This was in spite of a fall in incidence over the previous decade and a lack of familiarity with asymptomatic malaria. Participants generally understood the overall study aim and were familiar with study activities. Comprehension of the study rationale was however limited. After the first mass anti-malarial administration, seasonal health complaints that participants attributed to the anti-malarial as "side effects" contributed to a decrease of coverage in round two. Staff therefore adapted the community engagement approach, bringing to prominence local leaders in village meetings. This contributed to a subsequent increase in coverage. Future mass anti-malarial administration must consider seasonal disease patterns and the importance of local leaders taking prominent roles in community engagement. Further research is needed to investigate coverage in scenarios that more closely resemble implementation i.e. without participation incentives, blood sampling and free healthcare.

  10. Poor quality vital anti-malarials in Africa - an urgent neglected public health priority

    Directory of Open Access Journals (Sweden)

    Newton Paul N

    2011-12-01

    Full Text Available Abstract Background Plasmodium falciparum malaria remains a major public health problem. A vital component of malaria control rests on the availability of good quality artemisinin-derivative based combination therapy (ACT at the correct dose. However, there are increasing reports of poor quality anti-malarials in Africa. Methods Seven collections of artemisinin derivative monotherapies, ACT and halofantrine anti-malarials of suspicious quality were collected in 2002/10 in eleven African countries and in Asia en route to Africa. Packaging, chemical composition (high performance liquid chromatography, direct ionization mass spectrometry, X-ray diffractometry, stable isotope analysis and botanical investigations were performed. Results Counterfeit artesunate containing chloroquine, counterfeit dihydroartemisinin (DHA containing paracetamol (acetaminophen, counterfeit DHA-piperaquine containing sildenafil, counterfeit artemether-lumefantrine containing pyrimethamine, counterfeit halofantrine containing artemisinin, and substandard/counterfeit or degraded artesunate and artesunate+amodiaquine in eight countries are described. Pollen analysis was consistent with manufacture of counterfeits in eastern Asia. These data do not allow estimation of the frequency of poor quality anti-malarials in Africa. Conclusions Criminals are producing diverse harmful anti-malarial counterfeits with important public health consequences. The presence of artesunate monotherapy, substandard and/or degraded and counterfeit medicines containing sub-therapeutic amounts of unexpected anti-malarials will engender drug resistance. With the threatening spread of artemisinin resistance to Africa, much greater investment is required to ensure the quality of ACTs and removal of artemisinin monotherapies. The International Health Regulations may need to be invoked to counter these serious public health problems.

  11. Asian gas

    International Nuclear Information System (INIS)

    Masuda, T.

    1990-01-01

    This paper reports on natural gas which now appears ready to take a leading role on the world energy stage. Demand for natural gas, and specifically LNG, will be strong throughout the world, particularly in Asia. Indonesia and Malaysia will become much more dependent on natural gas in the Asian market. In Thailand, where remarkable economic growth has been fueled by imported oil and domestically produced natural gas, LNG may soon have to be imported from neighboring countries. The author sees Thailand's imports of natural gas increasing from 1.5 to 4.5 million tons annually. Similarly, Korea's imports of LNG will rise from 2 to 8 million tons between 1987 and 2000. In Japan, energy demand is expected to increase at an even faster rate in the 1990s. Given the opposition to nuclear power generation and growing concern about the greenhouse effect, it is likely that LNG will satisfy a major portion of Japan's increasing demand for energy. Japanese gas companies are studying the possibility of establishing a national pipeline network to move gas beyond metropolitan areas

  12. Young Asian Dutch constructing Asianness: Understanding the role of Asian popular culture

    NARCIS (Netherlands)

    Kartosen, R.A.

    2016-01-01

    This doctoral thesis is about young Asian Dutch, panethnic Asian identities and identifications, and Asian/Asian Dutch popular culture. It addresses several pressing questions, including: why do young Asian Dutch, who were born and/or raised in the Netherlands, identify as Asian and construct Asian

  13. Case management of malaria fever in Cambodia: results from national anti-malarial outlet and household surveys

    Directory of Open Access Journals (Sweden)

    Littrell Megan

    2011-10-01

    Full Text Available Abstract Background Continued progress towards global reduction in morbidity and mortality due to malaria requires scale-up of effective case management with artemisinin-combination therapy (ACT. The first case of artemisinin resistance in Plasmodium falciparum was documented in western Cambodia. Spread of artemisinin resistance would threaten recent gains in global malaria control. As such, the anti-malarial market and malaria case management practices in Cambodia have global significance. Methods Nationally-representative household and outlet surveys were conducted in 2009 among areas in Cambodia with malaria risk. An anti-malarial audit was conducted among all public and private outlets with the potential to sell anti-malarials. Indicators on availability, price and relative volumes sold/distributed were calculated across types of anti-malarials and outlets. The household survey collected information about management of recent "malaria fevers." Case management in the public versus private sector, and anti-malarial treatment based on malaria diagnostic testing were examined. Results Most public outlets (85% and nearly half of private pharmacies, clinics and drug stores stock ACT. Oral artemisinin monotherapy was found in pharmacies/clinics (9%, drug stores (14%, mobile providers (4% and grocery stores (2%. Among total anti-malarial volumes sold/distributed nationally, 6% are artemisinin monotherapies and 72% are ACT. Only 45% of people with recent "malaria fever" reportedly receive a diagnostic test, and the most common treatment acquired is a drug cocktail containing no identifiable anti-malarial. A self-reported positive diagnostic test, particularly when received in the public sector, improves likelihood of receiving anti-malarial treatment. Nonetheless, anti-malarial treatment of reportedly positive cases is low among people who seek treatment exclusively in the public (61% and private (42% sectors. Conclusions While data on the anti-malarial

  14. Ethnopsychopharmacology considerations for Asians and Asian Americans.

    Science.gov (United States)

    Wong, Felicia K; Pi, Edmond H

    2012-03-01

    Asians comprise more than 60% of the world's population and are the fastest growing minority group in the United States. Today's psychiatrist must learn to recognize and appreciate the unique factors that influence mental health outcomes in this group. Asian Americans are affected by psychiatric disorders at similar rates as non-Asians, but are significantly underrepresented in psychiatric clinics. When Asians and Asian Americans do present for psychiatric treatment, they often do so with higher severity of illness, and variable levels of compliance. Studies over the past three decades have suggested that pharmacokinetic and pharmacodynamic profiles of various psychotropic medications may be different in Asians, leading to differences in dosage requirements and side-effect profiles. These variations appear to be largely determined by genetic predisposition, but are also influenced by other factors such as environment, social support, cultural perceptions, and physicians' prescribing habits. In this paper, we provide an overview of biological and socio-cultural issues as they relate to psychopharmacology in Asians and Asian Americans, with the hope that a better understanding of these issues will lead to improved mental health care delivery to this population both in the United States, as well as in Asian countries. Copyright © 2012 Elsevier B.V. All rights reserved.

  15. Gel versus capillary electrophoresis genotyping for categorizing treatment outcomes in two anti-malarial trials in Uganda

    OpenAIRE

    Hubbard Alan E; Dorsey Grant; Gupta Vinay; Rosenthal Philip J; Greenhouse Bryan

    2010-01-01

    Abstract Background Molecular genotyping is performed in anti-malarial trials to determine whether recurrent parasitaemia after therapy represents a recrudescence (treatment failure) or new infection. The use of capillary instead of agarose gel electrophoresis for genotyping offers technical advantages, but it is unclear whether capillary electrophoresis will result in improved classification of anti-malarial treatment outcomes. Methods Samples were genotyped using both gel and capillary elec...

  16. Osteoporosis and Asian American Women

    Science.gov (United States)

    ... and Asian American Women Osteoporosis and Asian American Women Asian American women are at high risk for ... medications. Are There Any Special Issues for Asian Women Regarding Bone Health? Recent studies indicate a number ...

  17. Automated detection of leakage in fluorescein angiography images with application to malarial retinopathy.

    Science.gov (United States)

    Zhao, Yitian; MacCormick, Ian J C; Parry, David G; Leach, Sophie; Beare, Nicholas A V; Harding, Simon P; Zheng, Yalin

    2015-06-01

    The detection and assessment of leakage in retinal fluorescein angiogram images is important for the management of a wide range of retinal diseases. We have developed a framework that can automatically detect three types of leakage (large focal, punctate focal, and vessel segment leakage) and validated it on images from patients with malarial retinopathy. This framework comprises three steps: vessel segmentation, saliency feature generation and leakage detection. We tested the effectiveness of this framework by applying it to images from 20 patients with large focal leak, 10 patients with punctate focal leak, and 5,846 vessel segments from 10 patients with vessel leakage. The sensitivity in detecting large focal, punctate focal and vessel segment leakage are 95%, 82% and 81%, respectively, when compared to manual annotation by expert human observers. Our framework has the potential to become a powerful new tool for studying malarial retinopathy, and other conditions involving retinal leakage.

  18. Specific Stereoisomeric Conformations Determine the Drug Potency of Cladosporin Scaffold against Malarial Parasite.

    Science.gov (United States)

    Das, Pronay; Babbar, Palak; Malhotra, Nipun; Sharma, Manmohan; Jachak, Gorakhnath R; Gonnade, Rajesh G; Shanmugam, Dhanasekaran; Harlos, Karl; Yogavel, Manickam; Sharma, Amit; Reddy, D Srinivasa

    2018-05-21

    The dependence of drug potency on diastereomeric configurations is a key facet. Using a novel general divergent synthetic route for a three-chiral centre anti-malarial natural product cladosporin, we built its complete library of stereoisomers (cladologs) and assessed their inhibitory potential using parasite-, enzyme- and structure-based assays. We show that potency is manifest via tetrahyropyran ring conformations that are housed in the ribose binding pocket of parasite lysyl tRNA synthetase (KRS). Strikingly, drug potency between top and worst enantiomers varied 500-fold, and structures of KRS-cladolog complexes reveal that alterations at C3 and C10 are detrimental to drug potency where changes at C3 are sensed by rotameric flipping of Glutamate332. Given that scores of anti-malarial and anti-infective drugs contain chiral centers, this work provides a new foundation for focusing on inhibitor stereochemistry as a facet of anti-microbial drug development.

  19. Riding the Asian Wave....

    Science.gov (United States)

    Ward, Ben

    1999-01-01

    Discusses strategies U.S. universities are using to deal with declining enrollments by Asian students, brought on by the Asian financial crisis. Strategies include recruiting students from other countries. (Author/VWL)

  20. Obesity and Asian Americans

    Science.gov (United States)

    ... and Data > Minority Population Profiles > Asian American > Obesity Obesity and Asian Americans Non-Hispanic whites are 60% ... youthonline . [Accessed 08/18/2017] HEALTH IMPACT OF OBESITY People who are overweight are more likely to ...

  1. Glaucoma in Asian Populations

    Science.gov (United States)

    ... Involved News About Us Donate In This Section Glaucoma In Asian Populations email Send this article to ... lower than in their Asian counterparts. Normal Tension Glaucoma affects Japanese Japanese populations, however, have a substantially ...

  2. Identifying rapidly parasiticidal anti-malarial drugs using a simple and reliable in vitro parasite viability fast assay.

    Science.gov (United States)

    Linares, María; Viera, Sara; Crespo, Benigno; Franco, Virginia; Gómez-Lorenzo, María G; Jiménez-Díaz, María Belén; Angulo-Barturen, Íñigo; Sanz, Laura María; Gamo, Francisco-Javier

    2015-11-05

    The emergence of Plasmodium falciparum resistance to artemisinins threatens to undermine the effectiveness of artemisinin-based combination anti-malarial therapy. Developing suitable drugs to replace artemisinins requires the identification of new compounds that display rapid parasite killing kinetics. However, no current methods fully meet the requirements to screen large compound libraries for candidates with such properties. This study describes the development and validation of an in vitro parasite viability fast assay for identifying rapidly parasiticidal anti-malarial drugs. Parasite killing kinetics were determined by first culturing unlabelled erythrocytes with P. falciparum in the presence of anti-malarial drugs for 24 or 48 h. After removing the drug, samples were added to erythrocytes pre-labelled with intracellular dye to allow their subsequent identification. The ability of viable parasites to re-establish infection in labelled erythrocytes could then be detected by two-colour flow cytometry after tagging of parasite DNA. Thus, double-stained erythrocytes (with the pre-labelled intracellular dye and the parasite DNA dye) result only after establishment of new infections by surviving parasites. The capacity of the test anti-malarial drugs to eliminate viable parasites within 24 or 48 h could, therefore, be determined. The parasite viability fast assay could be completed within 48 h following drug treatment and distinguished between rapidly parasiticidal anti-malarial drugs versus those acting more slowly. The assay was validated against ten standard anti-malarial agents with known properties and results correlated well with established methods. An abbreviated assay, suitable for adaption to medium-high throughput screening, was validated and applied against a set of 20 compounds retrieved from the publically available Medicines for Malaria Venture 'Malaria Box'. The quantification of new infections to determine parasite viability offers important

  3. The counterfeit anti-malarial is a crime against humanity: a systematic review of the scientific evidence.

    Science.gov (United States)

    Karunamoorthi, Kaliyaperumal

    2014-06-02

    The counterfeiting of anti-malarials represents a form of attack on global public health in which fake and substandard anti-malarials serve as de facto weapons of mass destruction, particularly in resource-constrained endemic settings, where malaria causes nearly 660,000 preventable deaths and threatens millions of lives annually. It has been estimated that fake anti-malarials contribute to nearly 450,000 preventable deaths every year. This crime against humanity is often underestimated or ignored. This study attempts to describe and characterize the direct and indirect effects of counterfeit anti-malarials on public health, clinical care and socio-economic conditions. A search was performed using key databases, WHO documents, and English language search engines. Of 262 potential articles that were identified using a fixed set of criteria, a convenience sample of 105 appropriate articles was selected for this review. Artemisinin-based combination therapy (ACT) is an important tool in the fight against malaria, but a sizable number of patients are unable to afford to this first-line treatment. Consequently, patients tend to procure cheaper anti-malarials, which may be fake or substandard. Forensic palynology reveals that counterfeits originate in Asia. Fragile drug regulations, ineffective law-enforcement agencies and corruption further burden ailing healthcare facilities. Substandard/fake anti-malarials can cause (a) economic sabotage; (b) therapeutic failure; (c) increased risk of the emergence and spread of resistant strains of Plasmodium falciparum and Plasmodium vivax; (d) an undermining of trust/confidence in healthcare stakeholders/systems; and, (e) serious side effects or death. Combating counterfeit anti-malarials is a complex task due to limited resources and poor techniques for the detection and identification of fake anti-malarials. This situation calls for sustainable, global, scientific research and policy change. Further, responsible stakeholders in

  4. Increased fluidity and oxidation of malarial lipoproteins: relation with severity and induction of endothelial expression of adhesion molecules

    Directory of Open Access Journals (Sweden)

    Looareesuwan Sornchai

    2004-06-01

    Full Text Available Abstract Introduction Oxidative stress has been demonstrated in malaria. The potential oxidative modification of lipoproteins derived from malaria patients was studied. These oxidized lipids may have role in pathogenesis of malaria. Method The plasma lipid profile and existence of oxidized forms of very low density lipoprotein (VLDL, low density lipoprotein (LDL and high density lipoprotein (HDL were investigated in malaria (17 mild and 24 severe patients and 37 control subjects. Thiobarbituric acid reactive substances (TBARs, conjugated dienes, tryptophan fluorescence and fluidity of lipoproteins were determined as markers of oxidation. The biological effect of malarial lipoproteins was assessed by the expression of adhesion molecules on endothelial cells. Results Malarial lipoproteins had decreased cholesterol (except in VLDL and phospholipid. The triglyceride levels were unchanged. The cholesterol/phospholipid ratio of LDL was decreased in malaria, but increased in VLDL and HDL. TBARs and conjugate dienes were increased in malarial lipoproteins, while the tryptophan fluorescence was decreased. The fluidity of lipoproteins was increased in malaria. These indicated the presence of oxidized lipoproteins in malaria by which the degree of oxidation was correlated with severity. Of three lipoproteins from malarial patients, LDL displayed the most pronounced oxidative modification. In addition, oxidized LDL from malaria patients increased endothelial expression of adhesion molecules. Conclusion In malaria, the lipoproteins are oxidatively modified, and the degree of oxidation is related with severity. Oxidized LDL from malarial patients increases the endothelial expression of adhesion molecules. These suggest the role of oxidized lipoproteins, especially LDL, on the pathogenesis of disease.

  5. Quality of anti-malarials collected in the private and informal sectors in Guyana and Suriname

    Directory of Open Access Journals (Sweden)

    Evans Lawrence

    2012-06-01

    Full Text Available Abstract Background Despite a significant reduction in the number of malaria cases in Guyana and Suriname, this disease remains a major problem in the interior of both countries, especially in areas with gold mining and logging operations, where malaria is endemic. National malaria control programmes in these countries provide treatment to patients with medicines that are procured and distributed through regulated processes in the public sector. However, availability to medicines in licensed facilities (private sector and unlicensed facilities (informal sector is common, posing the risk of access to and use of non-recommended treatments and/or poor quality products. Methods To assess the quality of circulating anti-malarial medicines, samples were purchased in the private and informal sectors of Guyana and Suriname in 2009. The sampling sites were selected based on epidemiological data and/or distance from health facilities. Samples were analysed for identity, content, dissolution or disintegration, impurities, and uniformity of dosage units or weight variation according to manufacturer, pharmacopeial, or other validated method. Results Quality issues were observed in 45 of 77 (58% anti-malarial medicines sampled in Guyana of which 30 failed visual & physical inspection and 18 failed quality control tests. The proportion of monotherapy and ACT medicines failing quality control tests was 43% (13/30 and 11% (5/47 respectively. A higher proportion of medicines sampled from the private sector 34% (11/32 failed quality control tests versus 16% (7/45 in the informal sector. In Suriname, 58 medicines were sampled, of which 50 (86% were Artecom®, the fixed-dose combination of piperaquine-dihydroartemisinin-trimethoprim co-blistered with a primaquine phosphate tablet. All Artecom samples were found to lack a label claim for primaquine, thus failing visual and physical inspection. Conclusions The findings of the studies in both countries point to

  6. Quality of anti-malarials collected in the private and informal sectors in Guyana and Suriname.

    Science.gov (United States)

    Evans, Lawrence; Coignez, Veerle; Barojas, Adrian; Bempong, Daniel; Bradby, Sanford; Dijiba, Yanga; James, Makeida; Bretas, Gustavo; Adhin, Malti; Ceron, Nicolas; Hinds-Semple, Alison; Chibwe, Kennedy; Lukulay, Patrick; Pribluda, Victor

    2012-06-15

    Despite a significant reduction in the number of malaria cases in Guyana and Suriname, this disease remains a major problem in the interior of both countries, especially in areas with gold mining and logging operations, where malaria is endemic. National malaria control programmes in these countries provide treatment to patients with medicines that are procured and distributed through regulated processes in the public sector. However, availability to medicines in licensed facilities (private sector) and unlicensed facilities (informal sector) is common, posing the risk of access to and use of non-recommended treatments and/or poor quality products. To assess the quality of circulating anti-malarial medicines, samples were purchased in the private and informal sectors of Guyana and Suriname in 2009. The sampling sites were selected based on epidemiological data and/or distance from health facilities. Samples were analysed for identity, content, dissolution or disintegration, impurities, and uniformity of dosage units or weight variation according to manufacturer, pharmacopeial, or other validated method. Quality issues were observed in 45 of 77 (58%) anti-malarial medicines sampled in Guyana of which 30 failed visual & physical inspection and 18 failed quality control tests. The proportion of monotherapy and ACT medicines failing quality control tests was 43% (13/30) and 11% (5/47) respectively. A higher proportion of medicines sampled from the private sector 34% (11/32) failed quality control tests versus 16% (7/45) in the informal sector. In Suriname, 58 medicines were sampled, of which 50 (86%) were Artecom®, the fixed-dose combination of piperaquine-dihydroartemisinin-trimethoprim co-blistered with a primaquine phosphate tablet. All Artecom samples were found to lack a label claim for primaquine, thus failing visual and physical inspection. The findings of the studies in both countries point to significant problems with the quality of anti-malarial medicines

  7. Saleability of anti-malarials in private drug shops in Muheza, Tanzania

    DEFF Research Database (Denmark)

    Ringsted, Frank M; Massawe, Isolide S; Lemnge, Martha M

    2011-01-01

    women depend on SP for Intermittent Preventive Treatment (IPTp) during pregnancy. SP is still being dispensed by private drug stores, but it is unknown to which extent. If significant, it may undermine its official use for IPTp through induction of resistance. The main study objective was to perform...... practice, the saleability of ACT was negligible. SP was best-selling, and use was not reserved for IPTp, as stipulated in the national anti-malarial policy. It is a major reason for concern that such drug-pressure in the community equals de facto intermittent presumptive treatment. In an area where SP drug...

  8. Access to artemisinin-combination therapy (ACT) and other anti-malarials: national policy and markets in Sierra Leone.

    Science.gov (United States)

    Amuasi, John H; Diap, Graciela; Nguah, Samuel Blay; Karikari, Patrick; Boakye, Isaac; Jambai, Amara; Lahai, Wani Kumba; Louie, Karly S; Kiechel, Jean-Rene

    2012-01-01

    Malaria remains the leading burden of disease in post-conflict Sierra Leone. To overcome the challenge of anti-malarial drug resistance and improve effective treatment, Sierra Leone adopted artemisinin-combination therapy artesunate-amodiaquine (AS+AQ) as first-line treatment for uncomplicated P. falciparum malaria. Other national policy anti-malarials include artemether-lumefantrine (AL) as an alternative to AS+AQ, quinine and artemether for treatment of complicated malaria; and sulphadoxine-pyrimethamine (SP) for intermittent preventive treatment (IPTp). This study was conducted to evaluate access to national policy recommended anti-malarials. A cross-sectional survey of 127 medicine outlets (public, private and NGO) was conducted in urban and rural areas. The availability on the day of the survey, median prices, and affordability policy and available non-policy anti-malarials were calculated. Anti-malarials were stocked in 79% of all outlets surveyed. AS+AQ was widely available in public medicine outlets; AL was only available in the private and NGO sectors. Quinine was available in nearly two-thirds of public and NGO outlets and over one-third of private outlets. SP was widely available in all outlets. Non-policy anti-malarials were predominantly available in the private outlets. AS+AQ in the public sector was widely offered for free. Among the anti-malarials sold at a cost, the same median price of a course of AS+AQ (US$1.56), quinine tablets (US$0.63), were found in both the public and private sectors. Quinine injection had a median cost of US$0.31 in the public sector and US$0.47 in the private sector, while SP had a median cost of US$0.31 in the public sector compared to US$ 0.63 in the private sector. Non-policy anti-malarials were more affordable than first-line AS+AQ in all sectors. A course of AS+AQ was affordable at nearly two days' worth of wages in both the public and private sectors.

  9. Unnatural amino acids increase activity and specificity of synthetic substrates for human and malarial cathepsin C.

    Science.gov (United States)

    Poreba, Marcin; Mihelic, Marko; Krai, Priscilla; Rajkovic, Jelena; Krezel, Artur; Pawelczak, Malgorzata; Klemba, Michael; Turk, Dusan; Turk, Boris; Latajka, Rafal; Drag, Marcin

    2014-04-01

    Mammalian cathepsin C is primarily responsible for the removal of N-terminal dipeptides and activation of several serine proteases in inflammatory or immune cells, while its malarial parasite ortholog dipeptidyl aminopeptidase 1 plays a crucial role in catabolizing the hemoglobin of its host erythrocyte. In this report, we describe the systematic substrate specificity analysis of three cathepsin C orthologs from Homo sapiens (human), Bos taurus (bovine) and Plasmodium falciparum (malaria parasite). Here, we present a new approach with a tailored fluorogenic substrate library designed and synthesized to probe the S1 and S2 pocket preferences of these enzymes with both natural and a broad range of unnatural amino acids. Our approach identified very efficiently hydrolyzed substrates containing unnatural amino acids, which resulted in the design of significantly better substrates than those previously known. Additionally, in this study significant differences in terms of the structures of optimal substrates for human and malarial orthologs are important from the therapeutic point of view. These data can be also used for the design of specific inhibitors or activity-based probes.

  10. Alpha-tocopherol transfer protein disruption confers resistance to malarial infection in mice

    Directory of Open Access Journals (Sweden)

    Takeya Motohiro

    2010-04-01

    Full Text Available Abstract Background Various factors impact the severity of malaria, including the nutritional status of the host. Vitamin E, an intra and extracellular anti-oxidant, is one such nutrient whose absence was shown previously to negatively affect Plasmodium development. However, mechanisms of this Plasmodium inhibition, in addition to means by which to exploit this finding as a therapeutic strategy, remain unclear. Methods α-TTP knockout mice were infected with Plasmodium berghei NK65 or Plasmodium yoelii XL-17, parasitaemia, survival rate were monitored. In one part of the experiments mice were fed with a supplemented diet of vitamin E and then infected. In addition, parasite DNA damage was monitored by means of comet assay and 8-OHdG test. Moreover, infected mice were treated with chloroquine and parasitaemia and survival rate were monitored. Results Inhibition of α-tocopherol transfer protein (α-TTP, a determinant of vitamin E concentration in circulation, confers resistance to malarial infection as a result of oxidative damage to the parasites. Furthermore, in combination with the anti-malarial drug chloroquine results were even more dramatic. Conclusion Considering that these knockout mice lack observable negative impacts typical of vitamin E deficiency, these results suggest that inhibition of α-TTP activity in the liver may be a useful strategy in the prevention and treatment of malaria infection. Moreover, a combined strategy of α-TTP inhibition and chloroquine treatment might be effective against drug resistant parasites.

  11. Intensity and Compactness Enabled Saliency Estimation for Leakage Detection in Diabetic and Malarial Retinopathy.

    Science.gov (United States)

    Zhao, Yitian; Zheng, Yalin; Liu, Yonghuai; Yang, Jian; Zhao, Yifan; Chen, Duanduan; Wang, Yongtian

    2017-01-01

    Leakage in retinal angiography currently is a key feature for confirming the activities of lesions in the management of a wide range of retinal diseases, such as diabetic maculopathy and paediatric malarial retinopathy. This paper proposes a new saliency-based method for the detection of leakage in fluorescein angiography. A superpixel approach is firstly employed to divide the image into meaningful patches (or superpixels) at different levels. Two saliency cues, intensity and compactness, are then proposed for the estimation of the saliency map of each individual superpixel at each level. The saliency maps at different levels over the same cues are fused using an averaging operator. The two saliency maps over different cues are fused using a pixel-wise multiplication operator. Leaking regions are finally detected by thresholding the saliency map followed by a graph-cut segmentation. The proposed method has been validated using the only two publicly available datasets: one for malarial retinopathy and the other for diabetic retinopathy. The experimental results show that it outperforms one of the latest competitors and performs as well as a human expert for leakage detection and outperforms several state-of-the-art methods for saliency detection.

  12. In vitro and in vivo anti-malarial activity of Boerhavia elegans and Solanum surattense

    Directory of Open Access Journals (Sweden)

    Khodakarim Nastaran

    2010-05-01

    Full Text Available Abstract Background There is an urgent need to identify new anti-malarial drug targets for both prophylaxis and chemotherapy, due to the increasing problem of drug resistance to malaria parasites. In the present study, the aim was to discover novel, effective plant-based extracts for the activity against malaria. Methods Ten plants found in Iran were selected by ethnobotanical survey of medicinal plants. The crude ethanolic extracts were tested for in vitro anti-plasmodial activity against two strains of Plasmodium falciparum: K1 (chloroquine-resistant strain and CY27 (chloroquine-sensitive strain, using the parasite lactate dehydrogenase (pLDH assay. The anti-plasmodial activity of the extracts was also assessed in the 4-day suppressive anti-malarial assay in mice inoculated with Plasmodium berghei (ANKA strain. Crude ethanolic extracts showed good anti-plasmodial activity were further fractionated by partitioning in water and dichloromethane. Results Of 10 plant species assayed, three species: Boerhavia elegans (Choisy, Solanum surattense (Burm.f. and Prosopis juliflora (Sw. showed promising anti-plasmodial activity in vitro (IC50 ≤ 50 μg/ml and in vivo with no toxicity. The dichloromethane fraction of three extracts revealed stronger anti-plasmodial activity than the total extracts. Conclusion Anti-plasmodial activities of extracts of B. elegans and S. surattense are reported for the first time.

  13. In vitro and in vivo anti-malarial activity of Boerhavia elegans and Solanum surattense

    Science.gov (United States)

    2010-01-01

    Background There is an urgent need to identify new anti-malarial drug targets for both prophylaxis and chemotherapy, due to the increasing problem of drug resistance to malaria parasites. In the present study, the aim was to discover novel, effective plant-based extracts for the activity against malaria. Methods Ten plants found in Iran were selected by ethnobotanical survey of medicinal plants. The crude ethanolic extracts were tested for in vitro anti-plasmodial activity against two strains of Plasmodium falciparum: K1 (chloroquine-resistant strain) and CY27 (chloroquine-sensitive strain), using the parasite lactate dehydrogenase (pLDH) assay. The anti-plasmodial activity of the extracts was also assessed in the 4-day suppressive anti-malarial assay in mice inoculated with Plasmodium berghei (ANKA strain). Crude ethanolic extracts showed good anti-plasmodial activity were further fractionated by partitioning in water and dichloromethane. Results Of 10 plant species assayed, three species: Boerhavia elegans (Choisy), Solanum surattense (Burm.f.) and Prosopis juliflora (Sw.) showed promising anti-plasmodial activity in vitro (IC50 ≤ 50 μg/ml) and in vivo with no toxicity. The dichloromethane fraction of three extracts revealed stronger anti-plasmodial activity than the total extracts. Conclusion Anti-plasmodial activities of extracts of B. elegans and S. surattense are reported for the first time. PMID:20462416

  14. The effect of malaria and anti-malarial drugs on skeletal and cardiac muscles.

    Science.gov (United States)

    Marrelli, Mauro Toledo; Brotto, Marco

    2016-11-02

    Malaria remains one of the most important infectious diseases in the world, being a significant public health problem associated with poverty and it is one of the main obstacles to the economy of an endemic country. Among the several complications, the effects of malaria seem to target the skeletal muscle system, leading to symptoms, such as muscle aches, muscle contractures, muscle fatigue, muscle pain, and muscle weakness. Malaria cause also parasitic coronary artery occlusion. This article reviews the current knowledge regarding the effect of malaria disease and the anti-malarial drugs on skeletal and cardiac muscles. Research articles and case report publications that addressed aspects that are important for understanding the involvement of malaria parasites and anti-malarial therapies affecting skeletal and cardiac muscles were analysed and their findings summarized. Sequestration of red blood cells, increased levels of serum creatine kinase and reduced muscle content of essential contractile proteins are some of the potential biomarkers of the damage levels of skeletal and cardiac muscles. These biomarkers might be useful for prevention of complications and determining the effectiveness of interventions designed to protect cardiac and skeletal muscles from malaria-induced damage.

  15. The New Asian Immigrants.

    Science.gov (United States)

    Wong, Morrison G.; Hirschman, Charles

    In the early 1960s, Asian immigration to the United States was severely limited. The passage of the Immigration Act of 1965 expanded Asian immigration and ended a policy of racial discrimination and exclusion. Currently, over one third of the total immigrant population to the United States is from Asia, particularly China, Japan, Korea, the…

  16. Emerging Asian Economics.

    Science.gov (United States)

    Trezise, Philip H.

    What we can expect in the future from the miracle economies of Japan, South Korea, Taiwan, Singapore, and Hong Kong, whether they pose a threat to the older industrial states of Western Europe and North American, and whether China is to be the next emerging Asian economy are discussed. The amazing economic recovery of these East Asian countries…

  17. Asian American Cultural Resistance.

    Science.gov (United States)

    Libretti, Tim

    1997-01-01

    Explores the encounter of Marxism and Asian American literary theory and imagines an Asian American Marxism. To do so requires theorizing race, class, and gender not as substantive categories of antagonisms but as complementary and coordinated elements of a totality of social relations structuring racial patriarchal capitalism. (SLD)

  18. Natural products as starting points for future anti-malarial therapies: going back to our roots?

    Directory of Open Access Journals (Sweden)

    Wells Timothy NC

    2011-03-01

    Full Text Available Abstract Background The discovery and development of new anti-malarials are at a crossroads. Fixed dose artemisinin combination therapy is now being used to treat a hundred million children each year, with a cost as low as 30 cents per child, with cure rates of over 95%. However, as with all anti-infective strategies, this triumph brings with it the seeds of its own downfall, the emergence of resistance. It takes ten years to develop a new medicine. New classes of medicines to combat malaria, as a result of infection by Plasmodium falciparum and Plasmodium vivax are urgently needed. Results Natural product scaffolds have been the basis of the majority of current anti-malarial medicines. Molecules such as quinine, lapachol and artemisinin were originally isolated from herbal medicinal products. After improvement with medicinal chemistry and formulation technologies, and combination with other active ingredients, they now make up the current armamentarium of medicines. In recent years advances in screening technologies have allowed testing of millions of compounds from pharmaceutical diversity for anti-malarial activity in cellular assays. These initiatives have resulted in thousands of new sub-micromolar active compounds – starting points for new drug discovery programmes. Against this backdrop, the paucity of potent natural products identified has been disappointing. Now is a good time to reflect on the current approach to screening herbal medicinal products and suggest revisions. Nearly sixty years ago, the Chinese doctor Chen Guofu, suggested natural products should be approached by dao-xing-ni-shi or ‘acting in the reversed order’, starting with observational clinical studies. Natural products based on herbal remedies are in use in the community, and have the potential unique advantage that clinical observational data exist, or can be generated. The first step should be the confirmation and definition of the clinical activity of herbal

  19. The Rhetorical Making of the Asian/Asian American Face: Reading and Writing Asian Eyelids

    OpenAIRE

    Sano-Franchini, Jennifer

    2013-01-01

    In The Rhetorical Making of the Asian/Asian American Face: Reading and Writing Asian Eyelids, I examine representations of East Asian blepharoplasty in online video in order to gain a sense of how cultural values change over time. Drawing on scholarship in and around rhetorical theory, cultural rhetorics, Asian American rhetoric, cultural studies, Asian American studies, and postcolonial theory alongside qualitative data analysis of approximately fifty videos and the numerous viewer comments ...

  20. A potent series targeting the malarial cGMP-dependent protein kinase clears infection and blocks transmission

    NARCIS (Netherlands)

    Baker, D.A.; Stewart, L.B.; Large, J.M.; Bowyer, P.W.; Ansell, K.H.; Jimenez-Diaz, M.B.; Bakkouri, M. El; Birchall, K.; Dechering, K.J.; Bouloc, N.S.; Coombs, P.J.; Whalley, D.; Harding, D.J.; Smiljanic-Hurley, E.; Wheldon, M.C.; Walker, E.M.; Dessens, J.T.; Lafuente, M.J.; Sanz, L.M.; Gamo, F.J.; Ferrer, S.B.; Hui, R.; Bousema, T.; Angulo-Barturen, I.; Merritt, A.T.; Croft, S.L.; Gutteridge, W.E.; Kettleborough, C.A.; Osborne, S.A.

    2017-01-01

    To combat drug resistance, new chemical entities are urgently required for use in next generation anti-malarial combinations. We report here the results of a medicinal chemistry programme focused on an imidazopyridine series targeting the Plasmodium falciparum cyclic GMP-dependent protein kinase

  1. The behavior of chloroquine (a synthesized anti-malaria drug) labeled with 14C in healthy and malarious animals

    International Nuclear Information System (INIS)

    Coulibaly, Kafana

    1972-01-01

    The distribution of 14 C labeled chloroquine is identical in healthy and malarious animals. Fixation (by order of intensity) takes place in the liver, spleen, lungs, lacrimal glands, cerebrospinal fluid, bones, thyroid, and intestinal walls. This was confirmed from quantitative studies and demonstrates the traversing of the blood-brain barrier and the intestinal elimination after biliary excretion. Pharmaco-kinetic studies were undertaken with healthy animals and those afflicted with malaria. After a phase, in which the distribution of chloroquine is identical for both types of animal, a more rapid decrease in the blood level is observed with the malarious animals. The leucocytes contained distinctly more of the tracer than the normal or malarious red corpuscles or the blood plasma. Examination of the urinary elimination revealed a mono-exponential function; nevertheless, the urinary elimination was less regular with the malarious rats. This elimination corresponds to the excretion of unchanged chloroquine accompanied by two metabolites. A third metabolite appeared after a delay period. (author) [fr

  2. Low-grade parasitaemias and cold agglutinins in patients with hyper-reactive malarious splenomegaly and acute haemolysis

    NARCIS (Netherlands)

    Torres, R.J.; Villegas, L; Perez, D. H. Campora; Flores-Suarez, L.F.; Torres V, M A; Campos, M

    A cluster of 16 cases of hyper-reactive malarious splenomegaly (HMS) with severe, acute haemolysis, from an isolated, Venezuelan, Yanomami population, was prospectively investigated. Nine (69%) of the 13 HMS sera investigated but only one (7%) of 14 control sera (P < 0.005) contained elevated titres

  3. Asian Art on Display

    DEFF Research Database (Denmark)

    Borggreen, Gunhild Ravn

    2010-01-01

    Med udgangspunkt i seminaret Visualising Asian Modernity diskuteres forholdet mellem antropologi og samtidskunst i lyset af hvorledes asiatisk kunst fremvises og formidles i vestlig og dansk sammenhæng....

  4. Central Asian Republic Info

    Data.gov (United States)

    US Agency for International Development — CAR Info is designed and managed by the Central Asian Republic Mission to fill in the knowledge and reporting gaps in existing agency systems for that Mission. It...

  5. The South Asian genome.

    Directory of Open Access Journals (Sweden)

    John C Chambers

    Full Text Available The genetic sequence variation of people from the Indian subcontinent who comprise one-quarter of the world's population, is not well described. We carried out whole genome sequencing of 168 South Asians, along with whole-exome sequencing of 147 South Asians to provide deeper characterisation of coding regions. We identify 12,962,155 autosomal sequence variants, including 2,946,861 new SNPs and 312,738 novel indels. This catalogue of SNPs and indels amongst South Asians provides the first comprehensive map of genetic variation in this major human population, and reveals evidence for selective pressures on genes involved in skin biology, metabolism, infection and immunity. Our results will accelerate the search for the genetic variants underlying susceptibility to disorders such as type-2 diabetes and cardiovascular disease which are highly prevalent amongst South Asians.

  6. Low plasma concentrations of interleukin 10 in severe malarial anaemia compared with cerebral and uncomplicated malaria

    DEFF Research Database (Denmark)

    Kurtzhals, J A; Adabayeri, V; Goka, B Q

    1998-01-01

    -back regulation of TNF, stimulates bone-marrow function in vitro and counteracts anaemia in mice. We investigated the associations of these cytokines with malarial anaemia. METHODS: We enrolled 175 African children with malaria into two studies in 1995 and 1996. In the first study, children were classified...... as having severe anaemia (n=10), uncomplicated malaria (n=26), or cerebral anaemia (n=41). In the second study, patients were classified as having cerebral malaria (n=33) or being fully conscious (n=65), and the two groups were subdivided by measured haemoglobin as normal (>110 g/L), moderate anaemia (60...... anaemia was 270 pg/mL (95% CI 152-482) compared with 725 pg/mL (465-1129) in uncomplicated malaria and 966 pg/mL (612-1526) in cerebral malaria (pcerebral...

  7. Systems analysis of chaperone networks in the malarial parasite Plasmodium falciparum.

    Directory of Open Access Journals (Sweden)

    Soundara Raghavan Pavithra

    2007-09-01

    Full Text Available Molecular chaperones participate in the maintenance of cellular protein homeostasis, cell growth and differentiation, signal transduction, and development. Although a vast body of information is available regarding individual chaperones, few studies have attempted a systems level analysis of chaperone function. In this paper, we have constructed a chaperone interaction network for the malarial parasite, Plasmodium falciparum. P. falciparum is responsible for several million deaths every year, and understanding the biology of the parasite is a top priority. The parasite regularly experiences heat shock as part of its life cycle, and chaperones have often been implicated in parasite survival and growth. To better understand the participation of chaperones in cellular processes, we created a parasite chaperone network by combining experimental interactome data with in silico analysis. We used interolog mapping to predict protein-protein interactions for parasite chaperones based on the interactions of corresponding human chaperones. This data was then combined with information derived from existing high-throughput yeast two-hybrid assays. Analysis of the network reveals the broad range of functions regulated by chaperones. The network predicts involvement of chaperones in chromatin remodeling, protein trafficking, and cytoadherence. Importantly, it allows us to make predictions regarding the functions of hypothetical proteins based on their interactions. It allows us to make specific predictions about Hsp70-Hsp40 interactions in the parasite and assign functions to members of the Hsp90 and Hsp100 families. Analysis of the network provides a rational basis for the anti-malarial activity of geldanamycin, a well-known Hsp90 inhibitor. Finally, analysis of the network provides a theoretical basis for further experiments designed toward understanding the involvement of this important class of molecules in parasite biology.

  8. New molecular settings to support in vivo anti-malarial assays.

    Science.gov (United States)

    Bahamontes-Rosa, Noemí; Alejandre, Ane Rodriguez; Gomez, Vanesa; Viera, Sara; Gomez-Lorenzo, María G; Sanz-Alonso, Laura María; Mendoza-Losana, Alfonso

    2016-03-08

    Quantitative real-time PCR (qPCR) is now commonly used as a method to confirm diagnosis of malaria and to differentiate recrudescence from re-infection, especially in clinical trials and in reference laboratories where precise quantification is critical. Although anti-malarial drug discovery is based on in vivo murine efficacy models, use of molecular analysis has been limited. The aim of this study was to develop qPCR as a valid methodology to support pre-clinical anti-malarial models by using filter papers to maintain material for qPCR and to compare this with traditional methods. FTA technology (Whatman) is a rapid and safe method for extracting nucleic acids from blood. Peripheral blood samples from mice infected with Plasmodium berghei, P. yoelii, or P. falciparum were kept as frozen samples or as spots on FTA cards. The extracted genetic material from both types of samples was assessed for quantification by qPCR using sets of specific primers specifically designed for Plasmodium 18S rRNA, LDH, and CytB genes. The optimal conditions for nucleic acid extraction from FTA cards and qPCR amplification were set up, and were confirmed to be suitable for parasite quantification using DNA as template after storage at room temperature for as long as 26 months in the case of P. berghei samples and 52 months for P. falciparum and P. yoelii. The quality of DNA extracted from the FTA cards for gene sequencing and microsatellite amplification was also assessed. This is the first study to report the suitability of FTA cards and qPCR assay to quantify parasite load in samples from in vivo efficacy models to support the drug discovery process.

  9. The Asian methanol market

    International Nuclear Information System (INIS)

    Nagase, Hideki

    1995-01-01

    For the purpose of this presentation, Asia has been broadly defined as a total of 15 countries, namely Japan, Korea, Taiwan, China, Hong Kong, the Philippines, Thailand, Malaysia, Singapore, Indonesia, Myanmar, India, Vietnam, Australia and New Zealand. In 1994 and the first half of 1995, the methanol industry and its derivative industries experienced hard time, because of extraordinarily high methanol prices. In spite of this circumstance, methanol demand in Asian countries has been growing steadily and remarkably, following Asian high economic growth. Most of this growth in demand has been and will continue to be met by outside supply. However, even with increased import of methanol from outside of Asia, as a result of this growth, Asian trade volume will be much larger in the coming years. Asian countries must turn their collective attention to making logistics and transportation for methanol and its derivatives more efficient in the Asian region to make better use of existing supply resources. The author reviews current economic growth as his main topic, and explains the forecast of the growth of methanol demand and supply in Asian countries in the near future

  10. The effect of three-monthly albendazole treatment on malarial parasitemia and allergy: a household-based cluster-randomized, double-blind, placebo-controlled trial

    NARCIS (Netherlands)

    Wiria, A.E.; Hamid, F.; Wammes, L.J.; Kaisar, M.M.; May, L.; Prasetyani, M.A.; Wahyuni, S.; Djuardi, Y.; Ariawan, I.; Wibowo, H.; Lell, B.; Sauerwein, R.; Brice, G.T.; Sutanto, I.; Lieshout, L. van; Craen, A.J. de; Ree, R. van; Verweij, J.J.; Tsonaka, R.; Houwing-Duistermaat, J.J.; Luty, A.J.F.; Sartono, E.; Supali, T.; Yazdanbakhsh, M.

    2013-01-01

    BACKGROUND: Helminth infections are proposed to have immunomodulatory activities affecting health outcomes either detrimentally or beneficially. We evaluated the effects of albendazole treatment, every three months for 21 months, on STH, malarial parasitemia and allergy. METHODS AND FINDINGS: A

  11. Development of a TaqMan Allelic Discrimination Assay for detection of Single Nucleotides Polymorphisms associated with anti-malarial drug resistance

    Directory of Open Access Journals (Sweden)

    Kamau Edwin

    2012-01-01

    Full Text Available Abstract Background Anti-malarial drug resistance poses a threat to current global efforts towards control and elimination of malaria. Several methods are used in monitoring anti-malarial drug resistance. Molecular markers such as single nucleotide polymorphism (SNP for example are increasingly being used to identify genetic mutations related to anti-malarial drug resistance. Several methods are currently being used in analysis of SNP associated with anti-malarial drug resistance and although each one of these methods has unique strengths and shortcoming, there is still need to improve and/or develop new methods that will close the gap found in the current methods. Methods TaqMan Allelic Discrimination assays for detection of SNPs associated with anti-malarial drug resistance were designed for analysis on Applied Biosystems PCR platform. These assays were designed by submitting SNP sequences associated with anti-malarial drug resistance to Applied Biosystems website. Eleven SNPs associated with resistance to anti-malarial drugs were selected and tested. The performance of each SNP assay was tested by creating plasmid DNAs carrying codons of interests and analysing them for analysis. To test the sensitivity and specificity of each SNP assay, 12 clinical samples were sequenced at codons of interest and used in the analysis. Plasmid DNAs were used to establish the Limit of Detection (LoD for each assay. Results Data from genetic profiles of the Plasmodium falciparum laboratory strains and sequence data from 12 clinical samples was used as the reference method with which the performance of the SNP assays were compared to. The sensitivity and specificity of each SNP assay was establish at 100%. LoD for each assay was established at 2 GE, equivalent to less than 1 parasite/μL. SNP assays performed well in detecting mixed infection and analysis of clinical samples. Conclusion TaqMan Allelic Discrimination assay provides a good alternative tool in

  12. The Asian petrochemical industry

    International Nuclear Information System (INIS)

    Selwa, Christopher.

    1996-03-01

    The Asian Petrochemical Industry brings you up to date with the latest developments in this dynamic region and covers all the key issues, giving detailed analysis and comment on: the general economic outlook; demand and production trends for basic petrochemicals and specialities in individual countries; political stability and how with affects growth and investment opportunities; security of supply; the import of petrochemicals and the aim of the region to become a net exporter by 2000; capacity increases - the relative merits of new plant construction versus expanding existing plants; the financing of petrochemical projects; the use of appropriate projects; the use of appropriate technology and patent provision in the Gatt treaty; increasing environmental concerns and the 'responsible care' initiative. The Asian Petrochemical Industry presents an overview of each Asian player in the petrochemical and associated industries, comparing and contrasting the countries within the region. (Author)

  13. Cultural Patterns of South Asian and Southeast Asian Americans.

    Science.gov (United States)

    Mathews, Rachel

    2000-01-01

    An overview of South Asian and Southeast Asian Americans is discussed to aid teachers in understanding behaviors exhibited by Asian students. Culture influences in the following areas are explored: family relationships, respect for age, social interaction, communication style, family expectations, humility, school situations, decision making, and…

  14. Association of Climatic Variability, Vector Population and Malarial Disease in District of Visakhapatnam, India: A Modeling and Prediction Analysis.

    Science.gov (United States)

    Srimath-Tirumula-Peddinti, Ravi Chandra Pavan Kumar; Neelapu, Nageswara Rao Reddy; Sidagam, Naresh

    2015-01-01

    Malarial incidence, severity, dynamics and distribution of malaria are strongly determined by climatic factors, i.e., temperature, precipitation, and relative humidity. The objectives of the current study were to analyse and model the relationships among climate, vector and malaria disease in district of Visakhapatnam, India to understand malaria transmission mechanism (MTM). Epidemiological, vector and climate data were analysed for the years 2005 to 2011 in Visakhapatnam to understand the magnitude, trends and seasonal patterns of the malarial disease. Statistical software MINITAB ver. 14 was used for performing correlation, linear and multiple regression analysis. Perennial malaria disease incidence and mosquito population was observed in the district of Visakhapatnam with peaks in seasons. All the climatic variables have a significant influence on disease incidence as well as on mosquito populations. Correlation coefficient analysis, seasonal index and seasonal analysis demonstrated significant relationships among climatic factors, mosquito population and malaria disease incidence in the district of Visakhapatnam, India. Multiple regression and ARIMA (I) models are best suited models for modeling and prediction of disease incidences and mosquito population. Predicted values of average temperature, mosquito population and malarial cases increased along with the year. Developed MTM algorithm observed a major MTM cycle following the June to August rains and occurring between June to September and minor MTM cycles following March to April rains and occurring between March to April in the district of Visakhapatnam. Fluctuations in climatic factors favored an increase in mosquito populations and thereby increasing the number of malarial cases. Rainfall, temperatures (20°C to 33°C) and humidity (66% to 81%) maintained a warmer, wetter climate for mosquito growth, parasite development and malaria transmission. Changes in climatic factors influence malaria directly by

  15. Differences in anti-malarial activity of 4-aminoalcohol quinoline enantiomers and investigation of the presumed underlying mechanism of action

    Directory of Open Access Journals (Sweden)

    Mullié Catherine

    2012-03-01

    Full Text Available Abstract Background A better anti-malarial efficiency and lower neurotoxicity have been reported for mefloquine (MQ (+- enantiomer. However, the importance of stereoselectivity remains poorly understood as the anti-malarial activity of pure enantiomer MQ analogues has never been described. Building on these observations, a series of enantiopure 4-aminoalcohol quinoline derivatives has previously been synthesized to optimize the efficiency and reduce possible adverse effects. Their in vitro activity on Plasmodium falciparum W2 and 3D7 strains is reported here along with their inhibition of β-haematin formation and peroxidative degradation of haemin, two possible mechanisms of action of anti-malarial drugs. Results The (S-enantiomers of this series of 4-aminoalcohol quinoline derivatives were found to be at least as effective as both chloroquine (CQ and MQ. The derivative with a 5-carbon side-chain length was the more efficient on both P. falciparum strains. (R -enantiomers displayed an activity decreased by 2 to 15-fold as compared to their (S counterparts. The inhibition of β-haematin formation was significantly stronger with all tested compounds than with MQ, irrespective of the stereochemistry. Similarly, the inhibition of haemin peroxidation was significantly higher for both (S and (R-enantiomers of derivatives with a side-chain length of five or six carbons than for MQ and CQ. Conclusions The prominence of stereochemistry in the anti-malarial activity of 4-aminoalcohol quinoline derivatives is confirmed. The inhibition of β-haematin formation and haemin peroxidation can be put forward as presumed mechanisms of action but do not account for the stereoselectivity of action witnessed in vitro.

  16. Identification and reconstitution of the polyketide synthases responsible for biosynthesis of the anti-malarial agent, cladosporin

    OpenAIRE

    Cochrane, Rachel V. K.; Sanichar, Randy; Lambkin, Gareth R.; Reiz, Béla; Xu, Wei; Tang, Yi; Vederas, John C.

    2015-01-01

    The anti-malarial agent cladosporin is a nanomolar inhibitor of Plasmodium falciparum lysyl-tRNA synthetase, and exhibits activity against both blood and liver stage infection. Cladosporin can be isolated from the fungus Cladosporium cladosporioides, where it was believed to be biosynthesized by a highly reducing (HR) and non-reducing (NR) iterative type I polyketide synthase (PKS) pair. Genome sequencing of the host organism, and subsequent heterologous expression of these enzymes in Sacchar...

  17. The effect of mimicking febrile temperature and drug stress on malarial development

    Directory of Open Access Journals (Sweden)

    Adisakwattana Poom

    2009-06-01

    Full Text Available Abstract Background Malaria remains one of the most important tropical diseases of human with 1–2 million deaths annually especially caused by P. falciparum. During malarial life cycle, they exposed to many environmentally stresses including wide temperature fluctuation and pharmacological active molecules. These trigger malarial evolutionarily adaptive responses. The effect of febrile temperature on malarial growth, development and drug susceptibility by mimicking patient in treatment failure before and after drug uptake was examined. Methods Sensitivities of P. falciparum to antimalarial drug (chloroquine, mefloquine, quinine and artesunate were investigated based on the incorporation of [3H] hypoxanthine into parasite nucleic acids or radioisotopic technique. The number of parasites was examined under microscope following Giemsa staining and the parasite development at the end of each phase was counted and comparison of parasite number was made. The proteome was separated, blotted and hybridized with anti-Hsp70s primary antibody. The hybridized proteins were separately digested with trypsin and identified by MALDI-TOF peptide mass fingerprint. Results The results show that febrile temperature is capable of markedly inhibiting the growth of field isolate P. falciparum but not to K1 and 3D7 standard strains. K1 and 3D7 grown under heat shock developed greater and the reinfection rate was increased up to 2-folds when compared to that of non-heat shock group. The IC50 value of K1 toward chloroquine, mefloquine and quinine under heat shock was higher than that of K1 under non-heat shock which is opposite to that of 3D7. Heat shock caused death in field isolated parasite. It was also found that the febrile temperature coped with chloroquine uptake had no effect to the development, drug sensitivity and the parasite number of K1 strain. In the opposite way, heat shock and chloroquine shows extremely effect toward 3D7 and field isolate PF91 as shown

  18. Mental Health and Asian Americans

    Science.gov (United States)

    ... Data > Minority Population Profiles > Asian American > Mental Health Mental Health and Asian Americans Suicide was the 9th leading ... Americans is half that of the White population. MENTAL HEALTH STATUS Serious psychological distress among adults 18 years ...

  19. Asian American Health - Multiple Languages

    Science.gov (United States)

    ... Are Here: Home → Multiple Languages → All Health Topics → Asian American Health URL of this page: https://medlineplus.gov/ ... V W XYZ List of All Topics All Asian American Health - Multiple Languages To use the sharing features ...

  20. In vitro studies on the sensitivity pattern of Plasmodium falciparum to anti-malarial drugs and local herbal extracts.

    Science.gov (United States)

    Olasehinde, Grace I; Ojurongbe, Olusola; Adeyeba, Adegboyega O; Fagade, Obasola E; Valecha, Neena; Ayanda, Isaac O; Ajayi, Adesola A; Egwari, Louis O

    2014-02-20

    The resistance of human malaria parasites to anti-malarial compounds has become considerable concern, particularly in view of the shortage of novel classes of anti-malarial drugs. One way to prevent resistance is by using new compounds that are not based on existing synthetic antimicrobial agents. Sensitivity of 100 Plasmodium falciparum isolates to chloroquine, quinine, amodiaquine, mefloquine, sulphadoxine/pyrimethamine, artemisinin, Momordica charantia ('Ejirin') Diospyros monbuttensis ('Egun eja') and Morinda lucida ('Oruwo') was determined using the in vitro microtest (Mark III) technique to determine the IC50 of the drugs. All the isolates tested were sensitive to quinine, mefloquine and artesunate. Fifty-one percent of the isolates were resistant to chloroquine, 13% to amodiaquine and 5% to sulphadoxine/pyrimethamine. Highest resistance to chloroquine (68.9%) was recorded among isolates from Yewa zone while highest resistance to amodiaquine (30%) was observed in Ijebu zone. Highest resistance to sulphadoxine/pyrimethamine was recorded in Yewa and Egba zones, respectively. A positive correlation was observed between the responses to artemisinin and mefloquine (P0.05). Highest anti-plasmodial activity was obtained with the ethanolic extract of D. monbuttensis (IC50 = 3.2 nM) while the lowest was obtained from M. lucida (IC50 = 25 nM). Natural products isolated from plants used in traditional medicine, which have potent anti-plasmodial action in vitro, represent potential sources of new anti-malarial drugs.

  1. Spread of anti-malarial drug resistance: Mathematical model with implications for ACT drug policies

    Directory of Open Access Journals (Sweden)

    Dondorp Arjen M

    2008-11-01

    Full Text Available Abstract Background Most malaria-endemic countries are implementing a change in anti-malarial drug policy to artemisinin-based combination therapy (ACT. The impact of different drug choices and implementation strategies is uncertain. Data from many epidemiological studies in different levels of malaria endemicity and in areas with the highest prevalence of drug resistance like borders of Thailand are certainly valuable. Formulating an appropriate dynamic data-driven model is a powerful predictive tool for exploring the impact of these strategies quantitatively. Methods A comprehensive model was constructed incorporating important epidemiological and biological factors of human, mosquito, parasite and treatment. The iterative process of developing the model, identifying data needed, and parameterization has been taken to strongly link the model to the empirical evidence. The model provides quantitative measures of outcomes, such as malaria prevalence/incidence and treatment failure, and illustrates the spread of resistance in low and high transmission settings. The model was used to evaluate different anti-malarial policy options focusing on ACT deployment. Results The model predicts robustly that in low transmission settings drug resistance spreads faster than in high transmission settings, and treatment failure is the main force driving the spread of drug resistance. In low transmission settings, ACT slows the spread of drug resistance to a partner drug, especially at high coverage rates. This effect decreases exponentially with increasing delay in deploying the ACT and decreasing rates of coverage. In the high transmission settings, however, drug resistance is driven by the proportion of the human population with a residual drug level, which gives resistant parasites some survival advantage. The spread of drug resistance could be slowed down by controlling presumptive drug use and avoiding the use of combination therapies containing drugs with

  2. A retrospective analysis of the change in anti-malarial treatment policy: Peru

    Directory of Open Access Journals (Sweden)

    Vincent-Mark Arlene

    2009-04-01

    Full Text Available Abstract Background National malaria control programmes must deal with the complex process of changing national malaria treatment guidelines, often without guidance on the process of change. Selecting a replacement drug is only one issue in this process. There is a paucity of literature describing successful malaria treatment policy changes to help guide control programs through this process. Objectives To understand the wider context in which national malaria treatment guidelines were formulated in a specific country (Peru. Methods Using qualitative methods (individual and focus group interviews, stakeholder analysis and a review of documents, a retrospective analysis of the process of change in Peru's anti-malarial treatment policy from the early 1990's to 2003 was completed. Results The decision to change Peru's policies resulted from increasing levels of anti-malarial drug resistance, as well as complaints from providers that the drugs were no longer working. The context of the change occurred in a time in which Peru was changing national governments, which created extreme challenges in moving the change process forward. Peru utilized a number of key strategies successfully to ensure that policy change would occur. This included a having the process directed by a group who shared a common interest in malaria and who had long-established social and professional networks among themselves, b engaging in collaborative teamwork among nationals and between nationals and international collaborators, c respect for and inclusion of district-level staff in all phases of the process, d reliance on high levels of technical and scientific knowledge, e use of standardized protocols to collect data, and f transparency. Conclusion Although not perfectly or fully implemented by 2003, the change in malaria treatment policy in Peru occurred very quickly, as compared to other countries. They identified a problem, collected the data necessary to justify the

  3. Scrolling and Strolling, Asian Style

    Science.gov (United States)

    Sterling, Joan

    2012-01-01

    In this article, the author describes a lesson on Asian cultures. Asian cultures demonstrate respect for nature through their art. Students learned how to use Asian brush techniques and designs to create scrolls. They also learned how to write Haiku, a three-line form of poetry that uses a pattern of syllables.

  4. Australian Asian Options

    OpenAIRE

    Manuel Moreno; Javier F. Navas

    2003-01-01

    We study European options on the ratio of the stock price to its average and viceversa. Some of these options are traded in the Australian Stock Exchange since 1992, thus we call them Australian Asian options. For geometric averages, we obtain closed-form expressions for option prices. For arithmetic means, we use different approximations that produce very similar results.

  5. East Asian welfare regime

    DEFF Research Database (Denmark)

    Abrahamson, Peter

    2017-01-01

    The paper asks if East Asian welfare regimes are still productivist and Confucian? And, have they developed public care policies? The literature is split on the first question but (mostly) confirmative on the second. Care has to a large, but insufficient extent, been rolled out in the region...

  6. Malaysian Cinema, Asian Film

    NARCIS (Netherlands)

    Heide, van der William

    2002-01-01

    This title series departs from traditional studies of national cinema by accentuating the intercultural and intertextual links between Malaysian films and Asian (as well as European and American) film practices. Using cross-cultural analysis, the author characterizes Malaysia as a pluralist society

  7. Asian oil demand

    International Nuclear Information System (INIS)

    Fesharaki, F.

    2005-01-01

    This conference presentation examined global oil market development and the role of Asian demand. It discussed plateau change versus cyclical movement in the global oil market; supply and demand issues of OPEC and non-OPEC oil; if high oil prices reduce demand; and the Asian oil picture in the global context. Asian oil demand has accounted for about 50 per cent of the global incremental oil market growth. The presentation provided data charts in graphical format on global and Asia-Pacific incremental oil demand from 1990-2005; Asia oil demand growth for selected nations; real GDP growth in selected Asian countries; and, Asia-Pacific oil production and net import requirements. It also included charts in petroleum product demand for Asia-Pacific, China, India, Japan, and South Korea. Other data charts included key indicators for China's petroleum sector; China crude production and net oil import requirements; China's imports and the share of the Middle East; China's oil exports and imports; China's crude imports by source for 2004; China's imports of main oil products for 2004; India's refining capacity; India's product balance for net-imports and net-exports; and India's trade pattern of oil products. tabs., figs

  8. Asian Americans and Education

    Science.gov (United States)

    Chang, Benjamin

    2017-01-01

    The communities that constitute the racialized category of Asian Americans consist of approximately 20 million people in the United States, or about 5% of the total population. About 20% or 4 million are of primary or secondary school age, and over 1.1 million are in higher education. Both in popular and academic discourse, "Asian…

  9. Asian fungal fermented food

    NARCIS (Netherlands)

    Nout, M.J.R.; Aidoo, K.E.

    2010-01-01

    In Asian countries, there is a long history of fermentation of foods and beverages. Diverse micro-organisms, including bacteria, yeasts and moulds, are used as starters, and a wide range of ingredients can be made into fermented foods. The main raw materials include cereals, leguminous seeds,

  10. SMS for Life: a pilot project to improve anti-malarial drug supply management in rural Tanzania using standard technology

    Directory of Open Access Journals (Sweden)

    Mwafongo Winfred

    2010-10-01

    Full Text Available Abstract Background Maintaining adequate supplies of anti-malarial medicines at the health facility level in rural sub-Saharan Africa is a major barrier to effective management of the disease. Lack of visibility of anti-malarial stock levels at the health facility level is an important contributor to this problem. Methods A 21-week pilot study, 'SMS for Life', was undertaken during 2009-2010 in three districts of rural Tanzania, involving 129 health facilities. Undertaken through a collaborative partnership of public and private institutions, SMS for Life used mobile telephones, SMS messages and electronic mapping technology to facilitate provision of comprehensive and accurate stock counts from all health facilities to each district management team on a weekly basis. The system covered stocks of the four different dosage packs of artemether-lumefantrine (AL and quinine injectable. Results Stock count data was provided in 95% of cases, on average. A high response rate (≥ 93% was maintained throughout the pilot. The error rate for composition of SMS responses averaged 7.5% throughout the study; almost all errors were corrected and messages re-sent. Data accuracy, based on surveillance visits to health facilities, was 94%. District stock reports were accessed on average once a day. The proportion of health facilities with no stock of one or more anti-malarial medicine (i.e. any of the four dosages of AL or quinine injectable fell from 78% at week 1 to 26% at week 21. In Lindi Rural district, stock-outs were eliminated by week 8 with virtually no stock-outs thereafter. During the study, AL stocks increased by 64% and quinine stock increased 36% across the three districts. Conclusions The SMS for Life pilot provided visibility of anti-malarial stock levels to support more efficient stock management using simple and widely available SMS technology, via a public-private partnership model that worked highly effectively. The SMS for Life system has

  11. SMS for Life: a pilot project to improve anti-malarial drug supply management in rural Tanzania using standard technology

    Science.gov (United States)

    2010-01-01

    Background Maintaining adequate supplies of anti-malarial medicines at the health facility level in rural sub-Saharan Africa is a major barrier to effective management of the disease. Lack of visibility of anti-malarial stock levels at the health facility level is an important contributor to this problem. Methods A 21-week pilot study, 'SMS for Life', was undertaken during 2009-2010 in three districts of rural Tanzania, involving 129 health facilities. Undertaken through a collaborative partnership of public and private institutions, SMS for Life used mobile telephones, SMS messages and electronic mapping technology to facilitate provision of comprehensive and accurate stock counts from all health facilities to each district management team on a weekly basis. The system covered stocks of the four different dosage packs of artemether-lumefantrine (AL) and quinine injectable. Results Stock count data was provided in 95% of cases, on average. A high response rate (≥ 93%) was maintained throughout the pilot. The error rate for composition of SMS responses averaged 7.5% throughout the study; almost all errors were corrected and messages re-sent. Data accuracy, based on surveillance visits to health facilities, was 94%. District stock reports were accessed on average once a day. The proportion of health facilities with no stock of one or more anti-malarial medicine (i.e. any of the four dosages of AL or quinine injectable) fell from 78% at week 1 to 26% at week 21. In Lindi Rural district, stock-outs were eliminated by week 8 with virtually no stock-outs thereafter. During the study, AL stocks increased by 64% and quinine stock increased 36% across the three districts. Conclusions The SMS for Life pilot provided visibility of anti-malarial stock levels to support more efficient stock management using simple and widely available SMS technology, via a public-private partnership model that worked highly effectively. The SMS for Life system has the potential to alleviate

  12. Simultaneous capture and sequential detection of two malarial biomarkers on magnetic microparticles.

    Science.gov (United States)

    Markwalter, Christine F; Ricks, Keersten M; Bitting, Anna L; Mudenda, Lwiindi; Wright, David W

    2016-12-01

    We have developed a rapid magnetic microparticle-based detection strategy for malarial biomarkers Plasmodium lactate dehydrogenase (pLDH) and Plasmodium falciparum histidine-rich protein II (PfHRPII). In this assay, magnetic particles functionalized with antibodies specific for pLDH and PfHRPII as well as detection antibodies with distinct enzymes for each biomarker are added to parasitized lysed blood samples. Sandwich complexes for pLDH and PfHRPII form on the surface of the magnetic beads, which are washed and sequentially re-suspended in detection enzyme substrate for each antigen. The developed simultaneous capture and sequential detection (SCSD) assay detects both biomarkers in samples as low as 2.0parasites/µl, an order of magnitude below commercially available ELISA kits, has a total incubation time of 35min, and was found to be reproducible between users over time. This assay provides a simple and efficient alternative to traditional 96-well plate ELISAs, which take 5-8h to complete and are limited to one analyte. Further, the modularity of the magnetic bead-based SCSD ELISA format could serve as a platform for application to other diseases for which multi-biomarker detection is advantageous. Copyright © 2016 The Authors. Published by Elsevier B.V. All rights reserved.

  13. Acquired resistance of malarial parasites against artemisinin-based drugs: social and economic impacts

    Directory of Open Access Journals (Sweden)

    Johanna M Porter-Kelley

    2010-08-01

    Full Text Available Johanna M Porter-Kelley1, Joann Cofie2, Sophonie Jean2, Mark E Brooks1, Mia Lassiter1, DC Ghislaine Mayer21Life Sciences Department, ­Winston-Salem State University, Winston Salem, NC, USA; 2Department of Biology, Virginia Commonwealth University, Richmond, VA, USAAbstract: Malaria, a disease of poverty and high morbidity and mortality in the tropical world, has led to a worldwide search for control measures. To that end, good antimalarial chemotherapies have been difficult to find in the global market and those that seem to be most effective are rapidly becoming ineffective due to the emergence and spread of drug resistance. Artemisinin, a very effective yet expensive antimalarial, has quickly become the recommended drug of choice when all other possibilities fail. However, for all its promise as the next great antimalarial, the outlook is bleak. Resistance is developing to artemisinin while another effective antimalarial is not in sight. Malaria endemic areas which are mostly in developing countries must deal with the multifaceted process of changing and implementing new national malaria treatment guidelines. This requires complex interactions between several sectors of the affected society which in some cases take place within the context of political instability. Moreover, the cost associated with preventing and containing the spread of antimalarial resistance is detrimental to economic progress. This review addresses the impact of artemisinin resistance on the socioeconomic structure of malaria endemic countries.Keywords: artemisinin-based drugs, social, economic, malarial parasite resistance

  14. Anopheles atroparvus density modeling using MODIS NDVI in a former malarious area in Portugal.

    Science.gov (United States)

    Lourenço, Pedro M; Sousa, Carla A; Seixas, Júlia; Lopes, Pedro; Novo, Maria T; Almeida, A Paulo G

    2011-12-01

    Malaria is dependent on environmental factors and considered as potentially re-emerging in temperate regions. Remote sensing data have been used successfully for monitoring environmental conditions that influence the patterns of such arthropod vector-borne diseases. Anopheles atroparvus density data were collected from 2002 to 2005, on a bimonthly basis, at three sites in a former malarial area in Southern Portugal. The development of the Remote Vector Model (RVM) was based upon two main variables: temperature and the Normalized Differential Vegetation Index (NDVI) from the Moderate Resolution Imaging Spectroradiometer (MODIS) Terra satellite. Temperature influences the mosquito life cycle and affects its intra-annual prevalence, and MODIS NDVI was used as a proxy for suitable habitat conditions. Mosquito data were used for calibration and validation of the model. For areas with high mosquito density, the model validation demonstrated a Pearson correlation of 0.68 (pNDVI. RVM is a satellite data-based assimilation algorithm that uses temperature fields to predict the intra- and inter-annual densities of this mosquito species using MODIS NDVI. RVM is a relevant tool for vector density estimation, contributing to the risk assessment of transmission of mosquito-borne diseases and can be part of the early warning system and contingency plans providing support to the decision making process of relevant authorities. © 2011 The Society for Vector Ecology.

  15. Effect of Vetiveria zizanioides L. Root extracts on the malarial vector, Anopheles stephensi Liston

    Directory of Open Access Journals (Sweden)

    N Aarthi

    2012-04-01

    Full Text Available Objective: To evaluate the ovicidal and oviposition deterrent potential of the ethanolic extract from Vetiveria zizanioides (V. zizanioides roots against the malarial vector, Anopheles stephensi (A. stephensi . Methods: The dried clean V. zizanioides roots were powerdered and extracted with ethanol for 8 h in a soxhlet apparatus. After evaporation, the residue was dissolved in acetone. One hundred freshly laid eggs of A. stephensi were exposed to the extract at differnt concentrations for 48 h, and the hatch rate was calculated to evaluate the ovicidal activity. Those exposed to actone aqueous solution were used as control. The egg laying behavior of gravid female A. stephensi was also observed using oviposition deterrent test. Effective repellency (ER was used to evaluate the oviposition deterrent activity. Results: Exposure to the crude ethanol extract of V. zizanioides reduced the hatchability rate of A. stephensi eggs, and zero hatchability was exerted at 375 ppm. In the oviposition deterrent test, the extract alleviated the egg laying with an ER of 78.9% at the highest concentration of 375 ppm and even 53.7% at the lowest concentration of 125 ppm. Moreover, the negative values of oviposition active index also suggests the extract was a good deterrent agent. Conclusions: The ethanolic extract of V. zizanioides roots may be used an alternative pesticide to control A. stephensi at the early stage of life history, possibly due to the presence of various active chemical compounds.

  16. Pathogenicity, serological responses, and diagnosis of experimental and natural malarial infections in native Hawaiian thrushes

    Science.gov (United States)

    Atkinson, C.T.; Lease, J.K.; Drake, B.M.; Shema, N.P.

    2001-01-01

    Omao (Myadestes obscurus) from the Hawaiian Islands typically have very low prevalences of infection with avian malaria (Plasmodium relictum) and it is not clear whether they share the same high susceptibility to this parasite that has been documented in native Hawaiian honeycreepers. We exposed four captive Omao to single infective mosquito bites and measured parasitemia, serological responses, and mortality over time. All four birds experienced transient infections with low parasitemias and were immune when rechallenged with multiple infective mosquito bites. By contrast, three of four honeycreepers (Maui Alauahio, Paroreomyza montana) that were exposed to the same dose and parasite isolate succumbed to infection. All four Omao developed antibodies to a common suite of malarial antigens that were detectable on immunoblots of a crude red blood cell extract of P. relictum. We used this technique to screen plasma samples from wild Omao and endangered Puaiohi (Myadestes palmeri) that were captured at elevations between 900 and 1300 m on the islands of Hawaii and Kauai. We found that the true prevalence of infection at elevations where active malaria transmission occurs is much higher than estimates based on blood smears alone. Hawaiian thrushes appear to have a high tolerance for malaria, with most individuals developing chronic, low-level infections after exposure that cannot be diagnosed accurately by blood smears.

  17. Articulating Asianness: Young Asian Dutch and non-homeland Asian popular media

    NARCIS (Netherlands)

    Kartosen, R.A.; Tan, E.S.H.

    2013-01-01

    This study explores Asian Dutch young people’s ethnic-cultural identification in relation to their media consumption, and specifically their consumption of popular media from Asian countries other than their country of origin. A survey was conducted among 486 Asian Dutch (18-35 years old). In

  18. History of Asian American psychology.

    Science.gov (United States)

    Leong, Frederick T L; Okazaki, Sumie

    2009-10-01

    An overview of the history of Asian American psychology is provided by reviewing the context for the development of the field as well as the early founding of the Asian American Psychological Association (AAPA). The presidents of AAPA as well as key events and conferences are noted. The involvement of AAPA leaders in national mental health policies and activities are reviewed. The substantive areas of Asian American psychology and the education and training of Asian American psychologists are also discussed. The article ends with some comments about the future of Asian American psychology. Copyright 2009 APA, all rights reserved.

  19. Asian Media Productions

    DEFF Research Database (Denmark)

    This work consists of 12 essays on different aspects of Asian media by Japanese, European, and American scholars, many of whom have themselves been involved in the production of media forms. Working in the fields of anthropology, media and cultural studies, and on the basis of hands-on research, ......, they have written a book on the social practices and cultural attitudes of people producing, reading, watching and listening to different kinds of media in Japan, China, Taiwan, Indonesia, Vietnam, Singapore and India....

  20. Asian American Adolescent Identity

    OpenAIRE

    Ohm, Julie Juhye

    1999-01-01

    The formation of ego identity in Asian American late adolescents attending Virginia Tech was examined within the frameworks of Erikson's psychosocial theory and Berry, Trimble, and Olmedo's model of acculturation. Ego identity was measured using the Achieved sub-scale of the Revised Version of the Extended Objective Measure of Ego Identity Status, an instrument based on the theoretical constructs of Erikson. Ethnic identity was measured using the Multigroup Ethnic Identity Measure and America...

  1. Structure and interactions of a malarial vaccine candidate, AMA1, form the parasite plasmodium falciparum

    International Nuclear Information System (INIS)

    Miles, L.A.; Keizer, D.W.; Hodder, A.N.; Nair, M.; Hinds, M.G.; Norton, R.S.; Li, F.; Foley, M.; Coley, A.; Anders, R.F.

    2001-01-01

    Full text: Apical membrane antigen 1 (AMA1), a merozoite surface protein found in all species of Plasmodium and other apicomplexan parasites, is a strong candidate for inclusion in a malarial vaccine. Recombinant AMA1 protected against P. fragile in monkeys and P. chabaudi adami in mice. P. falciparum AMA1 which has a 62-kDa ectodomain consisting of three disulphide-stabilised domains, is a target of antibodies that inhibit merozoite invasion in vitro. Here we describe the solution structure of domain III (14 kDa), determined by NMR on 15 N- and 13 C/ 15 N-labelled samples. It has a well-defined disulphide-stabilised core interrupted by a disordered loop, and both the N- and C-terminal regions of the molecule are unstructured. The structured region includes all three disulphide bonds. Naturally-occurring mutations across 11 different P falciparum strains that are located far apart in the sequence cluster around the disulphide core in the 3D structure of domain III, suggesting that this region contains the major epitopes recognised by neutralising antibodies. Consistent with this, the disulphide-bond stabilised conformation of the ectodomain was essential for protection, as the antigen was not an effective vaccine after reduction and alkylation. Peptides have been found by phage display that bind to AMA1 and block merozoite invasion of erythrocytes. We have investigated their solution structures and interaction with full-length AMA1 ectodomain in an effort to understand the structure-function relationships of this important vaccine candidate

  2. Increased microerythrocyte count in homozygous alpha(+-thalassaemia contributes to protection against severe malarial anaemia.

    Directory of Open Access Journals (Sweden)

    Freya J I Fowkes

    2008-03-01

    Full Text Available The heritable haemoglobinopathy alpha(+-thalassaemia is caused by the reduced synthesis of alpha-globin chains that form part of normal adult haemoglobin (Hb. Individuals homozygous for alpha(+-thalassaemia have microcytosis and an increased erythrocyte count. Alpha(+-thalassaemia homozygosity confers considerable protection against severe malaria, including severe malarial anaemia (SMA (Hb concentration 1.1 x 10(12/l as a result of the reduced mean cell Hb in homozygous alpha(+-thalassaemia. In addition, children homozygous for alpha(+-thalassaemia require a 10% greater reduction in erythrocyte count than children of normal genotype (p = 0.02 for Hb concentration to fall to 50 g/l, the cutoff for SMA. We estimated that the haematological profile in children homozygous for alpha(+-thalassaemia reduces the risk of SMA during acute malaria compared to children of normal genotype (relative risk 0.52; 95% confidence interval [CI] 0.24-1.12, p = 0.09.The increased erythrocyte count and microcytosis in children homozygous for alpha(+-thalassaemia may contribute substantially to their protection against SMA. A lower concentration of Hb per erythrocyte and a larger population of erythrocytes may be a biologically advantageous strategy against the significant reduction in erythrocyte count that occurs during acute infection with the malaria parasite Plasmodium falciparum. This haematological profile may reduce the risk of anaemia by other Plasmodium species, as well as other causes of anaemia. Other host polymorphisms that induce an increased erythrocyte count and microcytosis may confer a similar advantage.

  3. Gel versus capillary electrophoresis genotyping for categorizing treatment outcomes in two anti-malarial trials in Uganda

    Directory of Open Access Journals (Sweden)

    Hubbard Alan E

    2010-01-01

    Full Text Available Abstract Background Molecular genotyping is performed in anti-malarial trials to determine whether recurrent parasitaemia after therapy represents a recrudescence (treatment failure or new infection. The use of capillary instead of agarose gel electrophoresis for genotyping offers technical advantages, but it is unclear whether capillary electrophoresis will result in improved classification of anti-malarial treatment outcomes. Methods Samples were genotyped using both gel and capillary electrophoresis from randomized trials of artemether-lumefantrine (AL vs. dihydroartemisinin-piperaquine (DP performed in two areas of Uganda: Kanungu, where transmission is moderate, and Apac, where transmission is very high. Both gel and capillary methods evaluated polymorphic regions of the merozoite surface protein 1 and 2 and glutamine rich protein genes. Results Capillary electrophoresis detected more alleles and provided higher discriminatory power than agarose gel electrophoresis at both study sites. There was only moderate agreement between classification of outcomes with the two methods in Kanungu (kappa = 0.66 and poor agreement in Apac (kappa = 0.24. Overall efficacy results were similar when using gel vs. capillary methods in Kanungu (42-day risk of treatment failure for AL: 6.9% vs. 5.5%, p = 0.4; DP 2.4% vs. 2.9%, p = 0.5. However, the measured risk of recrudescence was significantly higher when using gel vs. capillary electrophoresis in Apac (risk of treatment failure for AL: 17.0% vs. 10.7%, p = 0.02; DP: 8.5% vs. 3.4%, p = 0.03. Risk differences between AL and DP were not significantly different whether gel or capillary methods were used. Conclusions Genotyping with gel electrophoresis overestimates the risk of recrudescence in anti-malarial trials performed in areas of high transmission intensity. Capillary electrophoresis provides more accurate outcomes for such trials and should be performed when possible. In areas of moderate transmission

  4. Gel versus capillary electrophoresis genotyping for categorizing treatment outcomes in two anti-malarial trials in Uganda.

    Science.gov (United States)

    Gupta, Vinay; Dorsey, Grant; Hubbard, Alan E; Rosenthal, Philip J; Greenhouse, Bryan

    2010-01-15

    Molecular genotyping is performed in anti-malarial trials to determine whether recurrent parasitaemia after therapy represents a recrudescence (treatment failure) or new infection. The use of capillary instead of agarose gel electrophoresis for genotyping offers technical advantages, but it is unclear whether capillary electrophoresis will result in improved classification of anti-malarial treatment outcomes. Samples were genotyped using both gel and capillary electrophoresis from randomized trials of artemether-lumefantrine (AL) vs. dihydroartemisinin-piperaquine (DP) performed in two areas of Uganda: Kanungu, where transmission is moderate, and Apac, where transmission is very high. Both gel and capillary methods evaluated polymorphic regions of the merozoite surface protein 1 and 2 and glutamine rich protein genes. Capillary electrophoresis detected more alleles and provided higher discriminatory power than agarose gel electrophoresis at both study sites. There was only moderate agreement between classification of outcomes with the two methods in Kanungu (kappa = 0.66) and poor agreement in Apac (kappa = 0.24). Overall efficacy results were similar when using gel vs. capillary methods in Kanungu (42-day risk of treatment failure for AL: 6.9% vs. 5.5%, p = 0.4; DP 2.4% vs. 2.9%, p = 0.5). However, the measured risk of recrudescence was significantly higher when using gel vs. capillary electrophoresis in Apac (risk of treatment failure for AL: 17.0% vs. 10.7%, p = 0.02; DP: 8.5% vs. 3.4%, p = 0.03). Risk differences between AL and DP were not significantly different whether gel or capillary methods were used. Genotyping with gel electrophoresis overestimates the risk of recrudescence in anti-malarial trials performed in areas of high transmission intensity. Capillary electrophoresis provides more accurate outcomes for such trials and should be performed when possible. In areas of moderate transmission, gel electrophoresis appears adequate to estimate comparative

  5. Current Update in Asian Rhinoplasty

    Directory of Open Access Journals (Sweden)

    Clyde H. Ishii, MD, FACS

    2014-04-01

    Full Text Available Summary: There has been a tremendous growth of cosmetic surgery among Asians worldwide. Rhinoplasty is second only to blepharoplasty in terms of popularity among Asians regarding cosmetic surgical procedures. Most Asians seek to improve their appearance while maintaining the essential features of their ethnicity. There are considerable ethnic nasal and facial variations in this population alone. Successful rhinoplasty in Asians must take into account underlying anatomic differences between Asians and whites. Due to ethnic variations, cultural differences, and occasional language barriers, careful preoperative counseling is necessary to align the patient’s expectations with the limitations of the procedure. This article will review the many facets of Asian rhinoplasty as it is practiced today.

  6. Assessing the utility of an anti-malarial pharmacokinetic-pharmacodynamic model for aiding drug clinical development

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    Zaloumis Sophie

    2012-08-01

    Full Text Available Abstract Background Mechanistic within-host models relating blood anti-malarial drug concentrations with the parasite-time profile help in assessing dosing schedules and partner drugs for new anti-malarial treatments. A comprehensive simulation study to assess the utility of a stage-specific pharmacokinetic-pharmacodynamic (PK-PD model for predicting within-host parasite response was performed. Methods Three anti-malarial combination therapies were selected: artesunate-mefloquine, dihydroartemisinin-piperaquine, and artemether-lumefantrine. The PK-PD model included parameters to represent the concentration-time profiles of both drugs, the initial parasite burden and distribution across the parasite life cycle, and the parasite multiplication factor due to asexual reproduction. The model also included the maximal killing rate of each drug, and the blood drug concentration associated with half of that killing effect (in vivo EC50, derived from the in vitro IC50, the extent of binding to 0.5% Albumax present in the in vitro testing media, and the drugs plasma protein binding and whole blood to plasma partitioning ratio. All stochastic simulations were performed using a Latin-Hypercube-Sampling approach. Results The simulations demonstrated that the proportion of patients cured was highly sensitive to the in vivo EC50 and the maximal killing rate of the partner drug co-administered with the artemisinin derivative. The in vivo EC50 values that corresponded to on average 95% of patients cured were much higher than the adjusted values derived from the in vitro IC50. The proportion clinically cured was not strongly influenced by changes in the parameters defining the age distribution of the initial parasite burden (mean age of 4 to 16 hours and the parasite multiplication factor every life cycle (ranging from 8 to 12 fold/cycle. The median parasite clearance times, however, lengthened as the standard deviation of the initial parasite burden increased (i

  7. Major Reduction in Anti-Malarial Drug Consumption in Senegal after Nation-Wide Introduction of Malaria Rapid Diagnostic Tests

    Science.gov (United States)

    Thiam, Sylla; Thior, Moussa; Faye, Babacar; Ndiop, Médoune; Diouf, Mamadou Lamine; Diouf, Mame Birame; Diallo, Ibrahima; Fall, Fatou Ba; Ndiaye, Jean Louis; Albertini, Audrey; Lee, Evan; Jorgensen, Pernille; Gaye, Oumar; Bell, David

    2011-01-01

    Background While WHO recently recommended universal parasitological confirmation of suspected malaria prior to treatment, debate has continued as to whether wide-scale use of rapid diagnostic tests (RDTs) can achieve this goal. Adherence of health service personnel to RDT results has been poor in some settings, with little impact on anti-malarial drug consumption. The Senegal national malaria control programme introduced universal parasite-based diagnosis using malaria RDTs from late 2007 in all public health facilities. This paper assesses the impact of this programme on anti-malarial drug consumption and disease reporting. Methods and Findings Nationally-collated programme data from 2007 to 2009 including malaria diagnostic outcomes, prescription of artemisinin-based combination therapy (ACT) and consumption of RDTs in public health facilities, were reviewed and compared. Against a marked seasonal variation in all-cause out-patient visits, non-malarial fever and confirmed malaria, parasite-based diagnosis increased nationally from 3.9% of reported malaria-like febrile illness to 86.0% over a 3 year period. The prescription of ACT dropped throughout this period from 72.9% of malaria-like febrile illness to 31.5%, reaching close equivalence to confirmed malaria (29.9% of 584873 suspect fever cases). An estimated 516576 courses of inappropriate ACT prescription were averted. Conclusions The data indicate high adherence of anti-malarial prescribing practice to RDT results after an initial run-in period. The large reduction in ACT consumption enabled by the move from symptom-based to parasite-based diagnosis demonstrates that effective roll-out and use of malaria RDTs is achievable on a national scale through well planned and structured implementation. While more detailed information on management of parasite-negative cases is required at point of care level to assess overall cost-benefits to the health sector, considerable cost-savings were achieved in ACT

  8. Molecular markers of anti-malarial drug resistance in Central, West and East African children with severe malaria

    OpenAIRE

    Nguetse, Christian N.; Adegnika, Ayola Akim; Agbenyega, Tsiri; Ogutu, Bernhards R.; Krishna, Sanjeev; Kremsner, Peter G.; Velavan, Thirumalaisamy P.

    2017-01-01

    BACKGROUND: The Plasmodium falciparum multidrug resistance 1 (PfMDR1), P. falciparum Ca(2+)-ATPase (PfATP6) and Kelch-13 propeller domain (PfK13) loci are molecular markers of parasite susceptibility to anti-malarial drugs. Their frequency distributions were determined in the isolates collected from children with severe malaria originating from three African countries. METHODS: Samples from 287 children with severe malaria [(Gabon: n = 114); (Ghana: n = 89); (Kenya: n = 84)] were genotyped fo...

  9. Low-grade parasitaemias and cold agglutinins in patients with hyper-reactive malarious splenomegaly and acute haemolysis.

    Science.gov (United States)

    Torres, J R; Villegas, L; Perez, H; Suarez, L; Torres V, M A; Campos, M

    2003-03-01

    A cluster of 16 cases of hyper-reactive malarious splenomegaly (HMS) with severe, acute haemolysis, from an isolated, Venezuelan, Yanomami population, was prospectively investigated. Nine (69%) of the 13 HMS sera investigated but only one (7%) of 14 control sera (P Yanomami population) were PCR-positive (P < 0.001). In some cases at least, the acute severe episodes of haemolysis occasionally seen in HMS appear to be associated with an auto-immune, cold-agglutinin-mediated response triggered by non-patent parasitaemias.

  10. Reduction of anti-malarial consumption after rapid diagnostic tests implementation in Dar es Salaam: a before-after and cluster randomized controlled study

    Directory of Open Access Journals (Sweden)

    Swai Ndeniria

    2011-04-01

    Full Text Available Abstract Background Presumptive treatment of all febrile patients with anti-malarials leads to massive over-treatment. The aim was to assess the effect of implementing malaria rapid diagnostic tests (mRDTs on prescription of anti-malarials in urban Tanzania. Methods The design was a prospective collection of routine statistics from ledger books and cross-sectional surveys before and after intervention in randomly selected health facilities (HF in Dar es Salaam, Tanzania. The participants were all clinicians and their patients in the above health facilities. The intervention consisted of training and introduction of mRDTs in all three hospitals and in six HF. Three HF without mRDTs were selected as matched controls. The use of routine mRDT and treatment upon result was advised for all patients complaining of fever, including children under five years of age. The main outcome measures were: (1 anti-malarial consumption recorded from routine statistics in ledger books of all HF before and after intervention; (2 anti-malarial prescription recorded during observed consultations in cross-sectional surveys conducted in all HF before and 18 months after mRDT implementation. Results Based on routine statistics, the amount of artemether-lumefantrine blisters used post-intervention was reduced by 68% (95%CI 57-80 in intervention and 32% (9-54 in control HF. For quinine vials, the reduction was 63% (54-72 in intervention and an increase of 2.49 times (1.62-3.35 in control HF. Before-and-after cross-sectional surveys showed a similar decrease from 75% to 20% in the proportion of patients receiving anti-malarial treatment (Risk ratio 0.23, 95%CI 0.20-0.26. The cluster randomized analysis showed a considerable difference of anti-malarial prescription between intervention HF (22% and control HF (60% (Risk ratio 0.30, 95%CI 0.14-0.70. Adherence to test result was excellent since only 7% of negative patients received an anti-malarial. However, antibiotic

  11. Heart Disease and Asians and Pacific Islanders

    Science.gov (United States)

    ... Data > Minority Population Profiles > Asian American > Heart Disease Heart Disease and Asians and Pacific Islanders Overall, Asian American ... are less likely than white adults to have heart disease and they are less likely to die from ...

  12. Immunizations and Asians and Pacific Islanders

    Science.gov (United States)

    ... and Data > Minority Population Profiles > Asian American > Immunizations Immunizations and Asians and Pacific Islanders Asian/Pacific Islander ... 35 months reached the Healthy People goal for immunizations for hepatitis B, MMR (measles-mumps-rubella), polio ...

  13. Effects of the anti-malarial compound cryptolepine and its analogues in human lymphocytes and sperm in the Comet assay.

    Science.gov (United States)

    Gopalan, Rajendran C; Emerce, Esra; Wright, Colin W; Karahalil, Bensu; Karakaya, Ali E; Anderson, Diana

    2011-12-15

    Malaria is a mosquito-borne infectious disease caused by the genus Plasmodium. It causes one million deaths per year in African children under the age of 5 years. There is an increasing development of resistance of malarial parasites to chloroquine and other currently used anti-malarial drugs. Some plant products such as the indoloquinoline alkaloid cryptolepine have been shown to have potent activity against P. falciparum in vitro. On account of its toxicity, cryptolepine is not suitable for use as an antimalarial drug but a number of analogues of cryptolepine have been synthesised in an attempt to find compounds that have reduced cytotoxicity and these have been investigated in the present study in human sperm and lymphocytes using the Comet assay. The results suggest that cryptolepine and the analogues cause DNA damage in lymphocytes, but appear to have no effect on human sperm at the assessed doses. In the context of antimalarial drug development, the data suggest that all cryptolepine compounds and in particular 2,7-dibromocryptolepine cause DNA damage and therefore may not be suitable for pre clinical development as antimalarial agents. Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.

  14. Cross-talk between malarial cysteine proteases and falstatin: the BC loop as a hot-spot target.

    Directory of Open Access Journals (Sweden)

    Srinivasan Sundararaj

    Full Text Available Cysteine proteases play a crucial role in the development of the human malaria parasites Plasmodium falciparum and Plasmodium vivax. Our earlier studies demonstrated that these enzymes are equipped with specific domains for defined functions and further suggested the mechanism of activation of cysteine proteases. The activities of these proteases are regulated by a new class of endogenous inhibitors of cysteine proteases (ICPs. Structural studies of the ICPs of Trypanosoma cruzi (chagasin and Plasmodium berghei (PbICP indicated that three loops (termed BC, DE, and FG are crucial for binding to target proteases. Falstatin, an ICP of P. falciparum, appears to play a crucial role in invasion of erythrocytes and hepatocytes. However, the mechanism of inhibition of cysteine proteases by falstatin has not been established. Our study suggests that falstatin is the first known ICP to function as a multimeric protein. Using site-directed mutagenesis, hemoglobin hydrolysis assays and peptide inhibition studies, we demonstrate that the BC loop, but not the DE or FG loops, inhibits cysteine proteases of P. falciparum and P. vivax via hydrogen bonds. These results suggest that the BC loop of falstatin acts as a hot-spot target for inhibiting malarial cysteine proteases. This finding suggests new strategies for the development of anti-malarial agents based on protease-inhibitor interactions.

  15. Anti-malarial activity of 6-(8'Z-pentadecenyl-salicylic acid from Viola websteri in mice

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    Park Won-Hwan

    2009-07-01

    Full Text Available Abstract Background Petroleum ether extracts of Viola websteri Hemsl (Violaceae were reported to have anti-plasmodial activity against Plasmodium falciparum in vitro, with this activity being largely attributable to 6-(8'Z-pentadecenyl-salicylic acid (6-SA. Methods The schizontocidal activity of 6-SA on early Plasmodium berghei infections was evaluated in a four-day test. The possible 'repository' activity of 6-SA was assessed using the method described by Peters. The median lethal dose (LD50 of 6-SA, when given intraperitoneally, was also determined using uninfected ICR mice and the method of Lorke. Results In the present study, 6-SA was found to have anti-malarial activity in vivo, when tested against P. berghei in mice. 6-SA at 5, 10 and 25 mg/kg·day exhibited a significant blood schizontocidal activity in four-day early infections, repository evaluations and established infections with a significant mean survival time comparable to that of the standard drug, chloroquine (5 mg/kg·day. Conclusion 6-SA possesses a moderate anti-malarial activity that could be exploited for malaria therapy.

  16. Hemolysis is associated with low reticulocyte production index and predicts blood transfusion in severe malarial anemia.

    Directory of Open Access Journals (Sweden)

    Rolf Fendel

    Full Text Available BACKGROUND: Falciparum Malaria, an infectious disease caused by the apicomplexan parasite Plasmodium falciparum, is among the leading causes of death and morbidity attributable to infectious diseases worldwide. In Gabon, Central Africa, one out of four inpatients have severe malarial anemia (SMA, a life-threatening complication if left untreated. Emerging drug resistant parasites might aggravate the situation. This case control study investigates biomarkers of enhanced hemolysis in hospitalized children with either SMA or mild malaria (MM. METHODS AND FINDINGS: Ninety-one children were included, thereof 39 SMA patients. Strict inclusion criteria were chosen to exclude other causes of anemia. At diagnosis, erythrophagocytosis (a direct marker for extravascular hemolysis, EVH was enhanced in SMA compared to MM patients (5.0 arbitrary units (AU (interquartile range (IR: 2.2-9.6 vs. 2.1 AU (IR: 1.3-3.9, p<0.01. Furthermore, indirect markers for EVH, (i.e. serum neopterin levels, spleen size enlargement and monocyte pigment were significantly increased in SMA patients. Markers for erythrocyte ageing, such as CD35 (complement receptor 1, CD55 (decay acceleration factor and phosphatidylserine exposure (annexin-V-binding were investigated by flow cytometry. In SMA patients, levels of CD35 and CD55 on the red blood cell surface were decreased and erythrocyte removal markers were increased when compared to MM or reconvalescent patients. Additionally, intravascular hemolysis (IVH was quantified using several indirect markers (LDH, alpha-HBDH, haptoglobin and hemopexin, which all showed elevated IVH in SMA. The presence of both IVH and EVH predicted the need for blood transfusion during antimalarial treatment (odds ratio 61.5, 95% confidence interval (CI: 8.9-427. Interestingly, this subpopulation is characterized by a significantly lowered reticulocyte production index (RPI, p<0.05. CONCLUSIONS: Our results show the multifactorial pathophysiology of SMA

  17. Anti-malarial drug quality in Lagos and Accra - a comparison of various quality assessments

    Directory of Open Access Journals (Sweden)

    Bate Roger

    2010-06-01

    Full Text Available Abstract Background Two major cities in West Africa, Accra, the capital of Ghana, and Lagos, the largest city of Nigeria, have significant problems with substandard pharmaceuticals. Both have actively combated the problem in recent years, particularly by screening products on the market using the Global Pharma Health Fund e.V. Minilab® protocol. Random sampling of medicines from the two cities at least twice over the past 30 months allows a tentative assessment of whether improvements in drug quality have occurred. Since intelligence provided by investigators indicates that some counterfeit producers may be adapting products to pass Minilab tests, the results are compared with those from a Raman spectrometer and discrepancies are discussed. Methods Between mid-2007 and early-2010, samples of anti-malarial drugs were bought covertly from pharmacies in Lagos on three different occasions (October 2007, December 2008, February 2010, and from pharmacies in Accra on two different occasions (October 2007, February 2010. All samples were tested using the Minilab® protocol, which includes disintegration and active ingredient assays as well as visual inspection, and most samples were also tested by Raman spectrometry. Results In Lagos, the failure rate in the 2010 sampling fell to 29% of the 2007 finding using the Minilab® protocol, 53% using Raman spectrometry, and 46% using visual inspection. In Accra, the failure rate in the 2010 sampling fell to 54% of the 2007 finding using the Minilab® protocol, 72% using Raman spectrometry, and 90% using visual inspection. Conclusions The evidence presented shows that drug quality is probably improving in both cities, especially Lagos, since major reductions of failure rates over time occur with all means of assessment. Many more samples failed when examined by Raman spectrometry than by Minilab® protocol. The discrepancy is most likely caused by the two techniques measuring different aspects of the medication

  18. Insights into deregulated TNF and IL-10 production in malaria: implications for understanding severe malarial anaemia

    Directory of Open Access Journals (Sweden)

    Boeuf Philippe S

    2012-08-01

    Full Text Available Abstract Background Severe malarial anaemia (SMA is a major life-threatening complication of paediatric malaria. Protracted production of pro-inflammatory cytokines promoting erythrophagocytosis and depressing erythropoiesis is thought to play an important role in SMA, which is characterized by a high TNF/IL-10 ratio. Whether this TNF/IL-10 imbalance results from an intrinsic incapacity of SMA patients to produce IL-10 or from an IL-10 unresponsiveness to infection is unknown. Monocytes and T cells are recognized as the main sources of TNF and IL-10 in vivo, but little is known about the activation status of those cells in SMA patients. Methods The IL-10 and TNF production capacity and the activation phenotype of monocytes and T cells were compared in samples collected from 332 Ghanaian children with non-overlapping SMA (n = 108, cerebral malaria (CM (n = 144 or uncomplicated malaria (UM (n = 80 syndromes. Activation status of monocytes and T cells was ascertained by measuring HLA-DR+ and/or CD69+ surface expression by flow cytometry. The TNF and IL-10 production was assessed in a whole-blood assay after or not stimulation with lipopolysaccharide (LPS or phytohaemaglutinin (PHA used as surrogate of unspecific monocyte and T cell stimulant. The number of circulating pigmented monocytes was also determined. Results Monocytes and T cells from SMA and CM patients showed similar activation profiles with a comparable decreased HLA-DR expression on monocytes and increased frequency of CD69+ and HLA-DR+ T cells. In contrast, the acute-phase IL-10 production was markedly decreased in SMA compared to CM (P = .003 and UM (P = .004. Although in SMA the IL-10 response to LPS-stimulation was larger in amplitude than in CM (P = .0082, the absolute levels of IL-10 reached were lower (P = .013. Both the amplitude and levels of TNF produced in response to LPS-stimulation were larger in SMA than CM (P = .019. In response to PHA

  19. Insights into deregulated TNF and IL-10 production in malaria: implications for understanding severe malarial anaemia.

    Science.gov (United States)

    Boeuf, Philippe S; Loizon, Séverine; Awandare, Gordon A; Tetteh, John K A; Addae, Michael M; Adjei, George O; Goka, Bamenla; Kurtzhals, Jørgen A L; Puijalon, Odile; Hviid, Lars; Akanmori, Bartholomew D; Behr, Charlotte

    2012-08-01

    Severe malarial anaemia (SMA) is a major life-threatening complication of paediatric malaria. Protracted production of pro-inflammatory cytokines promoting erythrophagocytosis and depressing erythropoiesis is thought to play an important role in SMA, which is characterized by a high TNF/IL-10 ratio. Whether this TNF/IL-10 imbalance results from an intrinsic incapacity of SMA patients to produce IL-10 or from an IL-10 unresponsiveness to infection is unknown. Monocytes and T cells are recognized as the main sources of TNF and IL-10 in vivo, but little is known about the activation status of those cells in SMA patients. The IL-10 and TNF production capacity and the activation phenotype of monocytes and T cells were compared in samples collected from 332 Ghanaian children with non-overlapping SMA (n = 108), cerebral malaria (CM) (n = 144) or uncomplicated malaria (UM) (n = 80) syndromes. Activation status of monocytes and T cells was ascertained by measuring HLA-DR+ and/or CD69+ surface expression by flow cytometry. The TNF and IL-10 production was assessed in a whole-blood assay after or not stimulation with lipopolysaccharide (LPS) or phytohaemaglutinin (PHA) used as surrogate of unspecific monocyte and T cell stimulant. The number of circulating pigmented monocytes was also determined. Monocytes and T cells from SMA and CM patients showed similar activation profiles with a comparable decreased HLA-DR expression on monocytes and increased frequency of CD69+ and HLA-DR+ T cells. In contrast, the acute-phase IL-10 production was markedly decreased in SMA compared to CM (P = .003) and UM (P = .004). Although in SMA the IL-10 response to LPS-stimulation was larger in amplitude than in CM (P = .0082), the absolute levels of IL-10 reached were lower (P = .013). Both the amplitude and levels of TNF produced in response to LPS-stimulation were larger in SMA than CM (P = .019). In response to PHA-stimulation, absolute levels of IL-10 produced

  20. Additional Resources on Asian Americans.

    Science.gov (United States)

    Kodama, Corinne Maekawa; Lee, Sunny; Liang, Christopher T. H.; Alvarez, Alvin N.; McEwen, Marylu K.

    2002-01-01

    The authors identify Asian American associations and organizations, academic journals, periodicals, and media resources. Selected annotated resources on Asian American activism and politics, counseling and psychology, educational issues, gender and sexual orientation, history, policy reports, and racial and ethnic identity are also included.…

  1. Reconsidering Asian American Student Development

    Science.gov (United States)

    Kodama, Corinne M.; Maramba, Dina C.

    2017-01-01

    This chapter addresses the applicability of student development theories in light of empirical research on Asian American college students through a twofold approach: (a) revisiting the relevance of Kodama, McEwen, Liang, and Lee's (2001, 2002) theoretical work on Asian American student development; and (b) using Jones' and Stewart's (2016)…

  2. The Asian Newspaper's Reluctant Revolution.

    Science.gov (United States)

    Lent, John A., Ed.

    This book is composed of 19 articles written by both Asian and American scholars on the history and present conditions of newspapers in 15 Asian nations: China, Hong Kong, Japan, Korea, Taiwan, Australia, Burma, Indonesia, Malaysia and Singapore, the Philippines, Thailand, South Vietnam, Ceylon, India, and Pakistan. Two overviews of the Asian…

  3. An ethnobotanical study of anti-malarial plants among indigenous people on the upper Negro River in the Brazilian Amazon.

    Science.gov (United States)

    Frausin, Gina; Hidalgo, Ari de Freitas; Lima, Renata Braga Souza; Kinupp, Valdely Ferreira; Ming, Lin Chau; Pohlit, Adrian Martin; Milliken, William

    2015-11-04

    In this article we present the plants used for the treatment of malaria and associated symptoms in Santa Isabel do Rio Negro in the Brazilian Amazon. The region has important biological and cultural diversities including more than twenty indigenous ethnic groups and a strong history in traditional medicine. The aims of this study are to survey information in the Baniwa, Baré, Desana, Piratapuia, Tariana, Tukano, Tuyuca and Yanomami ethnic communities and among caboclos (mixed-ethnicity) on (a) plant species used for the treatment of malaria and associated symptoms, (b) dosage forms and (c) distribution of these anti-malarial plants in the Amazon. Information was obtained through classical ethnobotanical and ethnopharmacological methods from interviews with 146 informants in Santa Isabel municipality on the upper Negro River, Brazil. Fifty-five mainly native neotropical plant species from 34 families were in use. The detailed uses of these plants were documented. The result was 187 records (64.5%) of plants for the specific treatment of malaria, 51 records (17.6%) of plants used in the treatment of liver problems and 29 records (10.0%) of plants used in the control of fevers associated with malaria. Other uses described were blood fortification ('dar sangue'), headache and prophylaxis. Most of the therapeutic preparations were decoctions and infusions based on stem bark, root bark and leaves. These were administered by mouth. In some cases, remedies were prepared with up to three different plant species. Also, plants were used together with other ingredients such as insects, mammals, gunpowder and milk. This is the first study on the anti-malarial plants from this region of the Amazon. Aspidosperma spp. and Ampelozizyphus amazonicus Ducke were the most cited species in the communities surveyed. These species have experimental proof supporting their anti-malarial efficacy. The dosage of the therapeutic preparations depends on the kind of plant, quantity of plant

  4. The Development and Evaluation of a Teleprocessed Computer-Assisted Instruction Course in the Recognition of Malarial Parasites. Final Report; May 1, 1967 - June 30, 1968.

    Science.gov (United States)

    Mitzel, Harold E.

    A computer-assisted instruction course in the recognition of malarial parasites was developed and evaluated. The course includes stage discrimination, species discrimination, and case histories. Segments developed use COURSEWRITER as an author language and are presented via a display terminal that permits two-way communication with an IBM computer…

  5. The effect of three-monthly albendazole treatment on malarial parasitemia and allergy: a household-based cluster-randomized, double-blind, placebo-controlled trial

    NARCIS (Netherlands)

    Wiria, Aprilianto E.; Hamid, Firdaus; Wammes, Linda J.; Kaisar, Maria M. M.; May, Linda; Prasetyani, Margaretta A.; Wahyuni, Sitti; Djuardi, Yenny; Ariawan, Iwan; Wibowo, Heri; Lell, Bertrand; Sauerwein, Robert; Brice, Gary T.; Sutanto, Inge; van Lieshout, Lisette; de Craen, Anton J. M.; van Ree, Ronald; Verweij, Jaco J.; Tsonaka, Roula; Houwing-Duistermaat, Jeanine J.; Luty, Adrian J. F.; Sartono, Erliyani; Supali, Taniawati; Yazdanbakhsh, Maria

    2013-01-01

    Helminth infections are proposed to have immunomodulatory activities affecting health outcomes either detrimentally or beneficially. We evaluated the effects of albendazole treatment, every three months for 21 months, on STH, malarial parasitemia and allergy. A household-based cluster-randomized,

  6. The Confucian Asian cluster

    Directory of Open Access Journals (Sweden)

    Ionel Sergiu Pirju

    2013-11-01

    Full Text Available The Confucian Asian cluster consists of China, Hong Kong, Japan, Singapore, South Korea, and Taiwan. Confucian tradition countries were defined by achieving a consistent performance in the global economy, they still representing the major competitors in the EU and North American countries. Their progress is defined by a great national management that was able to influence beneficial management systems applied in organizations, these rules characterized by authority; aims to ensure the confidence in business. This article will present the intercultural values characterizing it, the leadership style and also tracing major macroeconomic considerations. The research is synchronic, analysing the contemporary situation of these countries, and the analysis will be interdisciplinary exploratory, identifying specific regional cultural elements.

  7. Got ACTs? Availability, price, market share and provider knowledge of anti-malarial medicines in public and private sector outlets in six malaria-endemic countries

    Directory of Open Access Journals (Sweden)

    O'Connell Kathryn A

    2011-10-01

    Full Text Available Abstract Background Artemisinin-based combination therapy (ACT is the first-line malaria treatment throughout most of the malaria-endemic world. Data on ACT availability, price and market share are needed to provide a firm evidence base from which to assess the current situation concerning quality-assured ACT supply. This paper presents supply side data from ACTwatch outlet surveys in Benin, the Democratic Republic of Congo (DRC, Madagascar, Nigeria, Uganda and Zambia. Methods Between March 2009 and June 2010, nationally representative surveys of outlets providing anti-malarials to consumers were conducted. A census of all outlets with the potential to provide anti-malarials was conducted in clusters sampled randomly. Results 28,263 outlets were censused, 51,158 anti-malarials were audited, and 9,118 providers interviewed. The proportion of public health facilities with at least one first-line quality-assured ACT in stock ranged between 43% and 85%. Among private sector outlets stocking at least one anti-malarial, non-artemisinin therapies, such as chloroquine and sulphadoxine-pyrimethamine, were widely available (> 95% of outlets as compared to first-line quality-assured ACT ( Conclusions These standardized, nationally representative results demonstrate the typically low availability, low market share and high prices of ACT, in the private sector where most anti-malarials are accessed, with some exceptions. The results confirm that there is substantial room to improve availability and affordability of ACT treatment in the surveyed countries. The data will also be useful for monitoring the impact of interventions such as the Affordable Medicines Facility for malaria.

  8. Racism and Asian American Student Leadership

    Science.gov (United States)

    Chung, Jennifer Y.

    2014-01-01

    This article provides a theoretical analysis and ethnographic account of Asian American student leadership in higher education. Existing literature highlights Asian and Asian American leadership styles as cultural differences. I shift the analysis from culture to racism in order to work toward a more socially just conception of Asian American…

  9. Statistical prediction of immunity to placental malaria based on multi-assay antibody data for malarial antigens

    DEFF Research Database (Denmark)

    Siriwardhana, Chathura; Fang, Rui; Salanti, Ali

    2017-01-01

    Background Plasmodium falciparum infections are especially severe in pregnant women because infected erythrocytes (IE) express VAR2CSA, a ligand that binds to placental trophoblasts, causing IE to accumulate in the placenta. Resulting inflammation and pathology increases a woman’s risk of anemia...... to 28 malarial antigens and used the data to develop statistical models for predicting if a woman has sufficient immunity to prevent PM. Methods Archival plasma samples from 1377 women were screened in a bead-based multiplex assay for Ab to 17 VAR2CSA-associated antigens (full length VAR2CSA (FV2), DBL...... in the following seven statistical approaches: logistic regression full model, logistic regression reduced model, recursive partitioning, random forests, linear discriminant analysis, quadratic discriminant analysis, and support vector machine. Results The best and simplest model proved to be the logistic...

  10. and Asian catfish, Clarias batrachus

    African Journals Online (AJOL)

    ALEX

    2013-02-27

    Feb 27, 2013 ... crossing Indian catfish, Heteropneustes fossilis (Bloch) and Asian catfish, Clarias batrachus (Linn.) by ... Extensive culture of H. fossilis is prevalent in India, but with less growth, when ..... Kligerman AD, Bloom SE (1977).

  11. Asian-Style Chicken Wraps

    Science.gov (United States)

    ... https://medlineplus.gov/recipe/asianstylechickenwraps.html Asian-Style Chicken Wraps To use the sharing features on this ... Tbsp lime juice (or about 2 limes) For chicken: 1 Tbsp peanut oil or vegetable oil 1 ...

  12. Lupus among Asians and Hispanics

    Science.gov (United States)

    ... this? Submit What's this? Submit Button Past Emails Lupus among Asians and Hispanics Recommend on Facebook Tweet ... compared with white women. Signs and Symptom of Lupus Lupus can affect people of all ages. However, ...

  13. Pricing American and Asian Options

    OpenAIRE

    Pat Muldowney

    2015-01-01

    An analytic method for pricing American call options is provided; followed by an empirical method for pricing Asian call options. The methodology is the pricing theory presented in "A Modern Theory of Random Variation", by Patrick Muldowney, 2012.

  14. Malavefes: A computational voice-enabled malaria fuzzy informatics software for correct dosage prescription of anti-malarial drugs

    Directory of Open Access Journals (Sweden)

    Olugbenga O. Oluwagbemi

    2018-04-01

    Full Text Available Malaria is one of the infectious diseases consistently inherent in many Sub-Sahara African countries. Among the issues of concern are the consequences of wrong diagnosis and dosage administration of anti-malarial drugs on sick patients; these have resulted into various degrees of complications ranging from severe headaches, stomach and body discomfort, blurred vision, dizziness, hallucinations, and in extreme cases, death. Many expert systems have been developed to support different infectious disease diagnoses, but not sure of any yet, that have been specifically designed as a voice-based application to diagnose and translate malaria patients’ symptomatic data for pre-laboratory screening and correct prescription of proper dosage of the appropriate medication. We developed Malavefes, (a malaria voice-enabled computational fuzzy expert system for correct dosage prescription of anti-malarial drugs using Visual Basic.NET., and Java programming languages. Data collation for this research was conducted by survey from existing literature and interview from public health experts. The database for this malaria drug informatics system was implemented using Microsoft Access. The Root Sum Square (RSS was implemented as the inference engine of Malavefes to make inferences from rules, while Centre of Gravity (CoG was implemented as the defuzzification engine. The drug recommendation module was voice-enabled. Additional anti-malaria drug expiration validation software was developed using Java programming language. We conducted a user-evaluation of the performance and user-experience of the Malavefes software. Keywords: Informatics, Bioinformatics, Fuzzy, Anti-malaria, Voice computing, Dosage prescription

  15. In vitro efficacy, resistance selection, and structural modeling studies implicate the malarial parasite apicoplast as the target of azithromycin.

    Science.gov (United States)

    Sidhu, Amar Bir Singh; Sun, Qingan; Nkrumah, Louis J; Dunne, Michael W; Sacchettini, James C; Fidock, David A

    2007-01-26

    Azithromycin (AZ), a broad-spectrum antibacterial macrolide that inhibits protein synthesis, also manifests reasonable efficacy as an antimalarial. Its mode of action against malarial parasites, however, has remained undefined. Our in vitro investigations with the human malarial parasite Plasmodium falciparum document a remarkable increase in AZ potency when exposure is prolonged from one to two generations of intraerythrocytic growth, with AZ producing 50% inhibition of parasite growth at concentrations in the mid to low nanomolar range. In our culture-adapted lines, AZ displayed no synergy with chloroquine (CQ), amodiaquine, or artesunate. AZ activity was also unaffected by mutations in the pfcrt (P. falciparum chloroquine resistance transporter) or pfmdr1 (P. falciparum multidrug resistance-1) drug resistance loci, as determined using transgenic lines. We have selected mutant, AZ-resistant 7G8 and Dd2 parasite lines. In the AZ-resistant 7G8 line, the bacterial-like apicoplast large subunit ribosomal RNA harbored a U438C mutation in domain I. Both AZ-resistant lines revealed a G76V mutation in a conserved region of the apicoplast-encoded P. falciparum ribosomal protein L4 (PfRpl4). This protein is predicted to associate with the nuclear genome-encoded P. falciparum ribosomal protein L22 (PfRpl22) and the large subunit rRNA to form the 50 S ribosome polypeptide exit tunnel that can be occupied by AZ. The PfRpl22 sequence remained unchanged. Molecular modeling of mutant PfRpl4 with AZ suggests an altered orientation of the L75 side chain that could preclude AZ binding. These data imply that AZ acts on the apicoplast bacterial-like translation machinery and identify Pfrpl4 as a potential marker of resistance.

  16. Asian FTAs: Trends and challenges

    OpenAIRE

    Kawai, Masahiro; Wignaraja, Ganeshan

    2009-01-01

    Although a latecomer, economically important Asia has emerged at the forefront of global free trade agreement (FTA) activity. This has sparked concerns about the negative effects of Asian FTAs, including the noodle bowl problem. Amid slow progress in the World Trade Organization's (WTO) Doha negotiations and the global financial crisis, however, Asian regionalism seems to be here to stay and the focus for policymakers should be how best to minimize the costs of FTAs while maximizing their ben...

  17. Bounds for Asian basket options

    Science.gov (United States)

    Deelstra, Griselda; Diallo, Ibrahima; Vanmaele, Michèle

    2008-09-01

    In this paper we propose pricing bounds for European-style discrete arithmetic Asian basket options in a Black and Scholes framework. We start from methods used for basket options and Asian options. First, we use the general approach for deriving upper and lower bounds for stop-loss premia of sums of non-independent random variables as in Kaas et al. [Upper and lower bounds for sums of random variables, Insurance Math. Econom. 27 (2000) 151-168] or Dhaene et al. [The concept of comonotonicity in actuarial science and finance: theory, Insurance Math. Econom. 31(1) (2002) 3-33]. We generalize the methods in Deelstra et al. [Pricing of arithmetic basket options by conditioning, Insurance Math. Econom. 34 (2004) 55-57] and Vanmaele et al. [Bounds for the price of discrete sampled arithmetic Asian options, J. Comput. Appl. Math. 185(1) (2006) 51-90]. Afterwards we show how to derive an analytical closed-form expression for a lower bound in the non-comonotonic case. Finally, we derive upper bounds for Asian basket options by applying techniques as in Thompson [Fast narrow bounds on the value of Asian options, Working Paper, University of Cambridge, 1999] and Lord [Partially exact and bounded approximations for arithmetic Asian options, J. Comput. Finance 10 (2) (2006) 1-52]. Numerical results are included and on the basis of our numerical tests, we explain which method we recommend depending on moneyness and time-to-maturity.

  18. Asian American Education: Identities, Racial Issues, and Languages. Research on the Education of Asian Pacific Americans

    Science.gov (United States)

    Rong, Xue Lan, Ed.; Endo, Russell, Ed.

    2011-01-01

    Asian American Education--Asian American Identities, Racial Issues, and Languages presents groundbreaking research that critically challenges the invisibility, stereotyping, and common misunderstandings of Asian Americans by disrupting "customary" discourse and disputing "familiar" knowledge. The chapters in this anthology…

  19. Saleability of anti-malarials in private drug shops in Muheza, Tanzania: a baseline study in an era of assumed artemisinin combination therapy (ACT

    Directory of Open Access Journals (Sweden)

    Ringsted Frank M

    2011-08-01

    Full Text Available Abstract Background Artemether-lumefantrine (ALu replaced sulphadoxine-pymimethamine (SP as the official first-line anti-malarial in Tanzania in November 2006. So far, artemisinin combination therapy (ACT is contra-indicated during pregnancy by the national malaria treatment guidelines, and pregnant women depend on SP for Intermittent Preventive Treatment (IPTp during pregnancy. SP is still being dispensed by private drug stores, but it is unknown to which extent. If significant, it may undermine its official use for IPTp through induction of resistance. The main study objective was to perform a baseline study of the private market for anti-malarials in Muheza town, an area with widespread anti-malarial drug resistance, prior to the implementation of a provider training and accreditation programme that will allow accredited drug shops to sell subsidized ALu. Methods All drug shops selling prescription-only anti-malarials, in Muheza town, Tanga Region voluntarily participated from July to December 2009. Qualitative in-depth interviews were conducted with owners or shopkeepers on saleability of anti-malarials, and structured questionnaires provided quantitative data on drugs sales volume. Results All surveyed drug shops illicitly sold SP and quinine (QN, and legally amodiaquine (AQ. Calculated monthly sale was 4,041 doses, in a town with a population of 15,000 people. Local brands of SP accounted for 74% of sales volume, compared to AQ (13%, QN (11% and ACT (2%. Conclusions In community practice, the saleability of ACT was negligible. SP was best-selling, and use was not reserved for IPTp, as stipulated in the national anti-malarial policy. It is a major reason for concern that such drug-pressure in the community equals de facto intermittent presumptive treatment. In an area where SP drug resistance remains high, unregulated SP dispensing to people other than pregnant women runs the risk of eventually jeopardizing the effectiveness of the IPTp

  20. Discovery of potent, novel, non-toxic anti-malarial compounds via quantum modelling, virtual screening and in vitro experimental validation

    Directory of Open Access Journals (Sweden)

    Kaludov Nikola

    2011-09-01

    Full Text Available Abstract Background Developing resistance towards existing anti-malarial therapies emphasize the urgent need for new therapeutic options. Additionally, many malaria drugs in use today have high toxicity and low therapeutic indices. Gradient Biomodeling, LLC has developed a quantum-model search technology that uses quantum similarity and does not depend explicitly on chemical structure, as molecules are rigorously described in fundamental quantum attributes related to individual pharmacological properties. Therapeutic activity, as well as toxicity and other essential properties can be analysed and optimized simultaneously, independently of one another. Such methodology is suitable for a search of novel, non-toxic, active anti-malarial compounds. Methods A set of innovative algorithms is used for the fast calculation and interpretation of electron-density attributes of molecular structures at the quantum level for rapid discovery of prospective pharmaceuticals. Potency and efficacy, as well as additional physicochemical, metabolic, pharmacokinetic, safety, permeability and other properties were characterized by the procedure. Once quantum models are developed and experimentally validated, the methodology provides a straightforward implementation for lead discovery, compound optimizzation and de novo molecular design. Results Starting with a diverse training set of 26 well-known anti-malarial agents combined with 1730 moderately active and inactive molecules, novel compounds that have strong anti-malarial activity, low cytotoxicity and structural dissimilarity from the training set were discovered and experimentally validated. Twelve compounds were identified in silico and tested in vitro; eight of them showed anti-malarial activity (IC50 ≤ 10 μM, with six being very effective (IC50 ≤ 1 μM, and four exhibiting low nanomolar potency. The most active compounds were also tested for mammalian cytotoxicity and found to be non-toxic, with a

  1. South Asian high and Asian-Pacific-American climate teleconnection

    Science.gov (United States)

    Zhang, Peiqun; Song, Yang; Kousky, Vernon E.

    2005-11-01

    Growing evidence indicates that the Asian monsoon plays an important role in affecting the weather and climate outside of Asia. However, this active role of the monsoon has not been demonstrated as thoroughly as has the variability of the monsoon caused by various impacting factors such as sea surface temperature and land surface. This study investigates the relationship between the Asian monsoon and the climate anomalies in the Asian-Pacific-American (APA) sector. A hypothesis is tested that the variability of the upper-tropospheric South Asian high (SAH), which is closely associated with the overall heating of the large-scale Asian monsoon, is linked to changes in the subtropical western Pacific high (SWPH), the mid-Pacific trough, and the Mexican high. The changes in these circulation systems cause variability in surface temperature and precipitation in the APA region. A stronger SAH is accompanied by a stronger and more extensive SWPH. The enlargement of the SWPH weakens the mid-Pacific trough. As a result, the southern portion of the Mexican high becomes stronger. These changes are associated with changes in atmospheric teleconnections, precipitation, and surface temperature throughout the APA region. When the SAH is stronger, precipitation increases in southern Asia, decreases over the Pacific Ocean, and increases over the Central America. Precipitation also increases over Australia and central Africa and decreases in the Mediterranean region. While the signals in surface temperature are weak over the tropical land portion, they are apparent in the mid latitudes and over the eastern Pacific Ocean.

  2. Effect of intermittent treatment with amodiaquine on anaemia and malarial fevers in infants in Tanzania: a randomised placebo-controlled trial

    DEFF Research Database (Denmark)

    Massaga, Julius J; Kitua, Andrew Y; Lemnge, Martha M

    2003-01-01

    : Presumptive intermittent treatment for malaria with amodiaquine reduced malarial fevers and anaemia in infants, in an area with high resistance to other antimalarials. Intermittent treatment strategies for malaria in highly endemic areas could be of great benefit to public health.......BACKGROUND: Malaria is a major cause of infant morbidity and mortality in sub-Saharan Africa, and is often complicated by severe anaemia. Resistance of Plasmodium falciparum to most affordable antimalarial drugs is an impediment to intermittent chemotherapy. We investigated the effect...... of presumptive intermittent treatment with amodiaquine and daily iron supplementation in infants on malarial fevers and anaemia, in a holoendemic area of Tanzania where malaria is largely resistant to chloroquine and sulfadoxine/ pyrimethamine. METHODS: 291 infants aged 12-16 weeks who attended three clinics...

  3. The association between price, competition, and demand factors on private sector anti-malarial stocking and sales in western Kenya: considerations for the AMFm subsidy

    Science.gov (United States)

    2013-01-01

    Background Households in sub-Saharan Africa are highly reliant on the retail sector for obtaining treatment for malaria fevers and other illnesses. As donors and governments seek to promote the use of artemisinin combination therapy in malaria-endemic areas through subsidized anti-malarials offered in the retail sector, understanding the stocking and pricing decisions of retail outlets is vital. Methods A survey of all medicine retailers serving Bungoma East District in western Kenya was conducted three months after the launch of the AMFm subsidy in Kenya. The survey obtained information on each anti-malarial in stock: brand name, price, sales volume, outlet characteristics and GPS co-ordinates. These data were matched to household-level data from the Webuye Health and Demographic Surveillance System, from which population density and fever prevalence near each shop were determined. Regression analysis was used to identify the factors associated with retailers’ likelihood of stocking subsidized artemether lumefantrine (AL) and the association between price and sales for AL, quinine and sulphadoxine-pyrimethamine (SP). Results Ninety-seven retail outlets in the study area were surveyed; 11% of outlets stocked subsidized AL. Size of the outlet and having a pharmacist on staff were associated with greater likelihood of stocking subsidized AL. In the multivariable model, total volume of anti-malarial sales was associated with greater likelihood of stocking subsidized AL and competition was important; likelihood of stocking subsidized AL was considerably higher if the nearest neighbour stocked subsidized AL. Price was a significant predictor of sales volume for all three types of anti-malarials but the relationship varied, with the largest price sensitivity found for SP drugs. Conclusion The results suggest that helping small outlets overcome the constraints to stocking subsidized AL should be a priority. Competition between retailers and prices can play an important

  4. Focus: Asian migration to Canada.

    Science.gov (United States)

    Kobayashi, A

    1988-01-01

    This collection of 5 short essays on Asian migration to Canada focuses on the relationships between individual migrants and their social contexts, both Asian and Canadian. Papers by Anderson and Kobayashi adopt research perspectives of outsider and insider, respectively. Vibert provides a historical overview against which the substantive issues introduced in the other 3 papers can be understood, and he illustrates the links between circumstances of migration and the larger issues by which the course of Canadian social progress has been steered. Mercer provides an introduction to issues that dominate the agenda of contemporary research, to show that Canadian communities of Asian heritage continue to grow in size, diversity, and complexity, as they become more established on the Canadian landscape. This collection is as much about the geography of racism as it is about migration.

  5. Quality assessment of some selected brands of anti malarial drugs used in Ghana: A case study of Agona West Municipality

    International Nuclear Information System (INIS)

    Asare, Aquisman Ebenezer

    2016-07-01

    The availability of numerous brands of artesunate in our drug market today places clinicians and pharmacists in a difficult situation of choice of a suitable brand or the possibility of alternative use. Fake artesunate could compromise the hope that ACT (artemisinin combination therapy) offers for malaria control in Africa. In this study, quality of some selected brands of anti - malarial drugs used in the communities of Agona west Municipality, Ghana was determined. Blister or packs of anti – malarial tablets were randomly sampled. The Protocols of the International Pharmacopeia and Global Pharma Health Fund Minilab were used to assess the quality of anti – malarial tablets per blister pack manufactured by Bliss Gvs Pharma Ltd. India, Letap Pharmaceutical Company Ltd. Ghana and Guilin Pharmaceutical Company Ltd. China and sold in chemical sales outlets at the farming communities of Agona West Municipality, Ghana. The identification test was used to confirm the presence of active ingredients in the tablets. A confirmatory test for the active ingredient was achieved with artesunate (ICRS 1302) reference standards and Gsunate reference standard (ICRS4061). The friability test was used to confirm the hardness of the tablets to determine the drug ability to withstand abrasion in packaging, handling and shipping. The disintegration test was used to confirm the time required for the tablets to disintegrate into particles. Titrimetric analysis confirmed the amount of artesunate found in tablets.The results of the study are as follows for Artesunate by GPCL, LPL and Gsunate by BGPL; the identification test confirmed the presence of the active ingredient in all the brands. Based on the International Pharmacopoeia acceptable range of 1 to 15 min for genuine artesunate per tablet, 93.75 % of field selected artesunate blister pack tablets manufactured by GPCL passed the disintegration test and 6.25% failed. Also 85.57% of the sampled artesunate blister pack manufactured by

  6. Mammographic compression in Asian women.

    Science.gov (United States)

    Lau, Susie; Abdul Aziz, Yang Faridah; Ng, Kwan Hoong

    2017-01-01

    To investigate: (1) the variability of mammographic compression parameters amongst Asian women; and (2) the effects of reducing compression force on image quality and mean glandular dose (MGD) in Asian women based on phantom study. We retrospectively collected 15818 raw digital mammograms from 3772 Asian women aged 35-80 years who underwent screening or diagnostic mammography between Jan 2012 and Dec 2014 at our center. The mammograms were processed using a volumetric breast density (VBD) measurement software (Volpara) to assess compression force, compression pressure, compressed breast thickness (CBT), breast volume, VBD and MGD against breast contact area. The effects of reducing compression force on image quality and MGD were also evaluated based on measurement obtained from 105 Asian women, as well as using the RMI156 Mammographic Accreditation Phantom and polymethyl methacrylate (PMMA) slabs. Compression force, compression pressure, CBT, breast volume, VBD and MGD correlated significantly with breast contact area (pAsian women. The median compression force should be about 8.1 daN compared to the current 12.0 daN. Decreasing compression force from 12.0 daN to 9.0 daN increased CBT by 3.3±1.4 mm, MGD by 6.2-11.0%, and caused no significant effects on image quality (p>0.05). Force-standardized protocol led to widely variable compression parameters in Asian women. Based on phantom study, it is feasible to reduce compression force up to 32.5% with minimal effects on image quality and MGD.

  7. Malaria, Moderate to Severe Anaemia, and Malarial Anaemia in Children at Presentation to Hospital in the Mount Cameroon Area: A Cross-Sectional Study

    Science.gov (United States)

    Taiwe, Germain Sotoing

    2016-01-01

    Background. Malaria remains a major killer of children in Sub-Saharan Africa, while anaemia is a public health problem with significant morbidity and mortality. Examining the factors associated with moderate to severe anaemia (MdSA) and malarial anaemia as well as the haematological characteristics is essential. Methodology. Children (1–14 years) at presentation at the Regional Hospital Annex-Buea were examined clinically and blood samples were collected for malaria parasite detection and full blood count evaluation. Results. Plasmodium falciparum, anaemia, and malarial anaemia occurred in 33.8%, 62.0%, and 23.6% of the 216 children, respectively. Anaemia prevalence was significantly higher in malaria parasite positive children and those with fever than their respective counterparts. MdSA and moderate to severe malarial anaemia (MdSMA) were detected in 38.0% and 15.3% of the participants, respectively. The prevalence of MdSA was significantly higher in children whose household head had no formal education, resided in the lowland, or was febrile, while MdSMA was significantly higher in febrile children only. Children with MdSMA had significantly lower mean white blood cell, lymphocyte, and platelet counts while the mean granulocyte count was significantly higher. Conclusion. Being febrile was the only predictor of both MdSA and MdSMA. More haematological insult occurred in children with MdSMA compared to MdSA. PMID:27895939

  8. Evaluation of chloroquine as a potent anti-malarial drug: issues of public health policy and healthcare delivery in post-war Liberia.

    Science.gov (United States)

    Massaquoi, Moses B F; Kennedy, Stephen B

    2003-02-01

    Chloroquine-resistant plasmodium falciparum malaria is a serious public health threat that is spreading rapidly across Sub-Saharan Africa. It affects over three quarters (80%) of malarial endemic countries. Of the estimated 300-500 million cases of malaria reported annually, the vast majority of malarial-related morbidities occur among young children in Africa, especially those concentrated in the remote rural areas with inadequate access to appropriate health care services. In Liberia, in vivo studies conducted between 1993 and 2000 observed varying degrees of plasmodium falciparum malaria infections that were resistant to chloroquine, including sulfadiazine-pyrimethamine. As the country emerges from a prolonged civil war, the health care delivery system may not be adequately prepared to implement an effective nation-wide malarial control strategy. As a result, the management of uncomplicated malaria in Liberia poses a significant public health challenge for the government-financed health care delivery system. Therefore, based on extensive literature review, we report the failure of chloroquine as an effective first-line drug for the treatment of uncomplicated plasmodium falciparum malaria in Liberia and recommend that national health efforts be directed at identifying alternative drug(s) to replace it.

  9. Early Education for Asian American Children.

    Science.gov (United States)

    Kitano, Margie K.

    1980-01-01

    A review of early education for Asian American children (Japanese, Chinese, Filipinos, Vietnamese, Koreans, Hawaiians, and Samoans) focuses on the 1975 Asian American Education Project, a study of the learning characteristics of preschool age children and its educational implications. (CM)

  10. Asian and Australian power policy

    International Nuclear Information System (INIS)

    Hammons, T.J.

    1996-01-01

    This article is a 1995 Summer Meeting panel session summary on infrastructure, interconnections, and electricity exchanges in Asia and Australia. Panelists focused on the present and future state of the electric power sector, future expansion of Asian and Australian power systems, interconnections and power exchanges, cooperation, new capacity, direction of reforming the industry, interstate relations in the fuel and energy complex, and the impact of privatization on electric supply. They addressed electricity and energy issues in both developing and developed Asian countries and in Australia as seen by the United Nations (UN), the World Energy Council (WEC), The World Bank, Japan, Australia, India, China, East Russia, Vietnam, and Malaysia

  11. Potentials in Asian Export Credit Cooperation

    Institute of Scientific and Technical Information of China (English)

    2004-01-01

    "Mekong River Regional Development Project advocated by Asian Development Bank (ADB) has been implemented. Trans-Asia Railway and Trans-Asia Highway are being discussed. It is a good opportunity for Asian Export Credit Agencies (ECAs) to cooperate and financing these large crossboarder projects."On May 11, at the 10th Annual Meeting of Asian Export Credit Agencies,

  12. Culture in Southeast Asian Language Classes.

    Science.gov (United States)

    Liem, Nguyen Dang

    A view of the status of Southeast Asian language programs in American schools leads the author to comment on five interrelated issues. They include: (1) the importance of Southeast Asian language and culture teaching and learning, (2) integrating culture in Southeast Asian language classes, (3) teaching techniques, (4) staffing, and (5)…

  13. Accessibility, availability and affordability of anti-malarials in a rural district in Kenya after implementation of a national subsidy scheme

    Directory of Open Access Journals (Sweden)

    Simiyu Chrispinus

    2011-10-01

    Full Text Available Abstract Background Poor access to prompt and effective treatment for malaria contributes to high mortality and severe morbidity. In Kenya, it is estimated that only 12% of children receive anti-malarials for their fever within 24 hours. The first point of care for many fevers is a local medicine retailer, such as a pharmacy or chemist. The role of the medicine retailer as an important distribution point for malaria medicines has been recognized and several different strategies have been used to improve the services that these retailers provide. Despite these efforts, many mothers still purchase ineffective drugs because they are less expensive than effective artemisinin combination therapy (ACT. One strategy that is being piloted in several countries is an international subsidy targeted at anti-malarials supplied through the retail sector. The goal of this strategy is to make ACT as affordable as ineffective alternatives. The programme, called the Affordable Medicines Facility - malaria was rolled out in Kenya in August 2010. Methods In December 2010, the affordability and accessibility of malaria medicines in a rural district in Kenya were evaluated using a complete census of all public and private facilities, chemists, pharmacists, and other malaria medicine retailers within the Webuye Demographic Surveillance Area. Availability, types, and prices of anti-malarials were assessed. There are 13 public or mission facilities and 97 medicine retailers (registered and unregistered. Results The average distance from a home to the nearest public health facility is 2 km, but the average distance to the nearest medicine retailer is half that. Quinine is the most frequently stocked anti-malarial (61% of retailers. More medicine retailers stocked sulphadoxine-pyramethamine (SP; 57% than ACT (44%. Eleven percent of retailers stocked AMFm subsidized artemether-lumefantrine (AL. No retailers had chloroquine in stock and only five were selling artemisinin

  14. Southeast Asian Languages Proficiency Examinations.

    Science.gov (United States)

    Brown, James Dean; And Others

    The design, administration, revision, and validation of the Southeast Asian Summer Studies Institute proficiency examinations are reported. The examinations were created as parallel language proficiency tests in each of five languages: Indonesian, Khmer, Tagalog, Thai, and Vietnamese. Four tests were developed in each language: multiple-choice…

  15. TB in Wild Asian Elephants

    Centers for Disease Control (CDC) Podcasts

    2017-05-10

    Dr. Susan Mikota, co-founder of Elephant Care International, discusses TB in wild Asian elephants.  Created: 5/10/2017 by National Center for Emerging and Zoonotic Infectious Diseases (NCEZID).   Date Released: 5/10/2017.

  16. Branding trends in Asian markets

    NARCIS (Netherlands)

    Bakker, Diederich; Segers, Rien

    This chapter examines current branding trends in significant Asian markets, namely Japan, South Korea, and India, with a special focus on one emerging branding nation, China. No generalizations towards the whole of Asia can be drawn from this research. However, research identified some aspects in

  17. Asian Values, Education and Development.

    Science.gov (United States)

    Cummings, William K.

    1996-01-01

    Maintains that many issues and questions concerning the relationship between Asian values and education have never been addressed in a comprehensive and systematic manner. Outlines four broad areas of inquiry: origins of culture, savings/investment effect, quality effect, and stability effect. Includes statistical information on education and…

  18. Occupational dermatoses: An Asian perspective

    Directory of Open Access Journals (Sweden)

    Riti Bhatia

    2017-01-01

    Full Text Available Occupational dermatoses contribute to a significant portion of work-related diseases, especially in Asia, where a major portion of the workforce is in the unorganized sector. This review article is focussed on the frequency and pattern of occupational skin diseases reported across Asian countries and type of allergens implicated in different occupations. The literature was searched systematically using key words 'occupational dermatoses,' 'occupational skin disease' and name of each Asian country. Ninty five full-text articles were considered relevant and evaluated. Some of the dermatoses seen in industrial workers in Asian countries are similar to those in Western countries, including dermatoses due to chromate in construction and electroplating workers, epoxy resin, and chromate in painters, wood dust in workers in the furniture industry, azo dyes in textile workers and formaldehyde and chromates in those working in the leather and dyeing industries, dermatoses in domestic workers, chefs and health-care workers. Dermatoses in workers engaged in agriculture, beedi (tiny cigars manufacture, agarbatti (incense sticks production, fish processing, carpet weaving, sanitation and those working in coffee plantations and coal mines appear to be unique to Asian countries. Recognition of clinical patterns and geographic variations in occupational skin diseases will provide an impetus to further strengthen future research in these areas, as well as improving their management.

  19. Occupational dermatoses: An Asian perspective.

    Science.gov (United States)

    Bhatia, Riti; Sharma, Vinod Kumar

    2017-01-01

    Occupational dermatoses contribute to a significant portion of work-related diseases, especially in Asia, where a major portion of the workforce is in the unorganized sector. This review article is focussed on the frequency and pattern of occupational skin diseases reported across Asian countries and type of allergens implicated in different occupations. The literature was searched systematically using key words 'occupational dermatoses,' 'occupational skin disease' and name of each Asian country. Ninty five full-text articles were considered relevant and evaluated. Some of the dermatoses seen in industrial workers in Asian countries are similar to those in Western countries, including dermatoses due to chromate in construction and electroplating workers, epoxy resin, and chromate in painters, wood dust in workers in the furniture industry, azo dyes in textile workers and formaldehyde and chromates in those working in the leather and dyeing industries, dermatoses in domestic workers, chefs and health-care workers. Dermatoses in workers engaged in agriculture, beedi (tiny cigars) manufacture, agarbatti (incense sticks) production, fish processing, carpet weaving, sanitation and those working in coffee plantations and coal mines appear to be unique to Asian countries. Recognition of clinical patterns and geographic variations in occupational skin diseases will provide an impetus to further strengthen future research in these areas, as well as improving their management.

  20. A potent series targeting the malarial cGMP-dependent protein kinase clears infection and blocks transmission.

    Science.gov (United States)

    Baker, David A; Stewart, Lindsay B; Large, Jonathan M; Bowyer, Paul W; Ansell, Keith H; Jiménez-Díaz, María B; El Bakkouri, Majida; Birchall, Kristian; Dechering, Koen J; Bouloc, Nathalie S; Coombs, Peter J; Whalley, David; Harding, Denise J; Smiljanic-Hurley, Ela; Wheldon, Mary C; Walker, Eloise M; Dessens, Johannes T; Lafuente, María José; Sanz, Laura M; Gamo, Francisco-Javier; Ferrer, Santiago B; Hui, Raymond; Bousema, Teun; Angulo-Barturén, Iñigo; Merritt, Andy T; Croft, Simon L; Gutteridge, Winston E; Kettleborough, Catherine A; Osborne, Simon A

    2017-09-05

    To combat drug resistance, new chemical entities are urgently required for use in next generation anti-malarial combinations. We report here the results of a medicinal chemistry programme focused on an imidazopyridine series targeting the Plasmodium falciparum cyclic GMP-dependent protein kinase (PfPKG). The most potent compound (ML10) has an IC 50 of 160 pM in a PfPKG kinase assay and inhibits P. falciparum blood stage proliferation in vitro with an EC 50 of 2.1 nM. Oral dosing renders blood stage parasitaemia undetectable in vivo using a P. falciparum SCID mouse model. The series targets both merozoite egress and erythrocyte invasion, but crucially, also blocks transmission of mature P. falciparum gametocytes to Anopheles stephensi mosquitoes. A co-crystal structure of PvPKG bound to ML10, reveals intimate molecular contacts that explain the high levels of potency and selectivity we have measured. The properties of this series warrant consideration for further development to produce an antimalarial drug.Protein kinases are promising drug targets for treatment of malaria. Here, starting with a medicinal chemistry approach, Baker et al. generate an imidazopyridine that selectively targets Plasmodium falciparum PKG, inhibits blood stage parasite growth in vitro and in mice and blocks transmission to mosquitoes.

  1. Automated Detection of Malarial Retinopathy in Digital Fundus Images for Improved Diagnosis in Malawian Children with Clinically Defined Cerebral Malaria

    Science.gov (United States)

    Joshi, Vinayak; Agurto, Carla; Barriga, Simon; Nemeth, Sheila; Soliz, Peter; MacCormick, Ian J.; Lewallen, Susan; Taylor, Terrie E.; Harding, Simon P.

    2017-02-01

    Cerebral malaria (CM), a complication of malaria infection, is the cause of the majority of malaria-associated deaths in African children. The standard clinical case definition for CM misclassifies ~25% of patients, but when malarial retinopathy (MR) is added to the clinical case definition, the specificity improves from 61% to 95%. Ocular fundoscopy requires expensive equipment and technical expertise not often available in malaria endemic settings, so we developed an automated software system to analyze retinal color images for MR lesions: retinal whitening, vessel discoloration, and white-centered hemorrhages. The individual lesion detection algorithms were combined using a partial least square classifier to determine the presence or absence of MR. We used a retrospective retinal image dataset of 86 pediatric patients with clinically defined CM (70 with MR and 16 without) to evaluate the algorithm performance. Our goal was to reduce the false positive rate of CM diagnosis, and so the algorithms were tuned at high specificity. This yielded sensitivity/specificity of 95%/100% for the detection of MR overall, and 65%/94% for retinal whitening, 62%/100% for vessel discoloration, and 73%/96% for hemorrhages. This automated system for detecting MR using retinal color images has the potential to improve the accuracy of CM diagnosis.

  2. Partial Sequence Analysis of Merozoite Surface Proteine-3α Gene in Plasmodium vivax Isolates from Malarious Areas of Iran

    Directory of Open Access Journals (Sweden)

    H Mirhendi

    2008-12-01

    Full Text Available Background: Approximately 85-90% of malaria infections in Iran are attributed to Plasmodium vivax, while little is known about the genetic of the parasite and its strain types in this region. This study was designed and performed for describing genetic characteristics of Plasmodium vivax population of Iran based on the merozoite surface protein-3α gene sequence. Methods: Through a descriptive study we analyzed partial P. vivax merozoite surface protein-3α gene sequences from 17 clinical P. vivax isolates collected from malarious areas of Iran. Genomic DNA was extracted by Q1Aamp® DNA blood mini kit, amplified through nested PCR for a partial nucleotide sequence of PvMSP-3 gene in P. vivax. PCR-amplified products were sequenced with an ABI Prism Perkin-Elmer 310 sequencer machine and the data were analyzed with clustal W software. Results: Analysis of PvMSP-3 gene sequences demonstrated extensive polymorphisms, but the sequence identity between isolates of same types was relatively high. We identified specific insertions and deletions for the types A, B and C variants of P. vivax in our isolates. In phylogenetic comparison of geographically separated isolates, there was not a significant geo­graphical branching of the parasite populations. Conclusion: The highly polymorphic nature of isolates suggests that more investigations of the PvMSP-3 gene are needed to explore its vaccine potential.

  3. Anti-malarial landscape in Myanmar: results from a nationally representative survey among community health workers and the private sector outlets in 2015/2016.

    Science.gov (United States)

    Thein, Si Thu; Khin, Hnin Su Su; Thi, Aung

    2017-04-25

    In 2015/2016, an ACTwatch outlet survey was implemented to assess the anti-malarial and malaria testing landscape in Myanmar across four domains (Eastern, Central, Coastal, Western regions). Indicators provide an important benchmark to guide Myanmar's new National Strategic Plan to eliminate malaria by 2030. This was a cross-sectional survey, which employed stratified cluster-random sampling across four regions in Myanmar. A census of community health workers (CHWs) and private outlets with potential to distribute malaria testing and/or treatment was conducted. An audit was completed for all anti-malarials, malaria rapid diagnostic tests. A total of 28,664 outlets were approached and 4416 met the screening criteria. The anti-malarial market composition comprised CHWs (41.5%), general retailers (27.9%), itinerant drug vendors (11.8%), pharmacies (10.9%), and private for-profit facilities (7.9%). Availability of different anti-malarials and diagnostic testing among anti-malarial-stocking CHWs was as follows: artemisinin-based combination therapy (ACT) (81.3%), chloroquine (67.0%), confirmatory malaria test (77.7%). Less than half of the anti-malarial-stocking private sector had first-line treatment in stock: ACT (41.7%) chloroquine (41.8%), and malaria diagnostic testing was rare (15.4%). Oral artemisinin monotherapy (AMT) was available in 27.7% of private sector outlets (Western, 54.1%; Central, 31.4%; Eastern; 25.0%, Coastal; 15.4%). The private-sector anti-malarial market share comprised ACT (44.0%), chloroquine (26.6%), and oral AMT (19.6%). Among CHW the market share was ACT (71.6%), chloroquine (22.3%); oral AMT (3.8%). More than half of CHWs could correctly state the national first-line treatment for uncomplicated falciparum and vivax malaria (59.2 and 56.9%, respectively) compared to the private sector (15.8 and 13.2%, respectively). Indicators on support and engagement were as follows for CHWs: reportedly received training on malaria diagnosis (60.7%) or

  4. Got ACTs? Availability, price, market share and provider knowledge of anti-malarial medicines in public and private sector outlets in six malaria-endemic countries.

    Science.gov (United States)

    O'Connell, Kathryn A; Gatakaa, Hellen; Poyer, Stephen; Njogu, Julius; Evance, Illah; Munroe, Erik; Solomon, Tsione; Goodman, Catherine; Hanson, Kara; Zinsou, Cyprien; Akulayi, Louis; Raharinjatovo, Jacky; Arogundade, Ekundayo; Buyungo, Peter; Mpasela, Felton; Adjibabi, Chérifatou Bello; Agbango, Jean Angbalu; Ramarosandratana, Benjamin Fanomezana; Coker, Babajide; Rubahika, Denis; Hamainza, Busiku; Chapman, Steven; Shewchuk, Tanya; Chavasse, Desmond

    2011-10-31

    Artemisinin-based combination therapy (ACT) is the first-line malaria treatment throughout most of the malaria-endemic world. Data on ACT availability, price and market share are needed to provide a firm evidence base from which to assess the current situation concerning quality-assured ACT supply. This paper presents supply side data from ACTwatch outlet surveys in Benin, the Democratic Republic of Congo (DRC), Madagascar, Nigeria, Uganda and Zambia. Between March 2009 and June 2010, nationally representative surveys of outlets providing anti-malarials to consumers were conducted. A census of all outlets with the potential to provide anti-malarials was conducted in clusters sampled randomly. 28,263 outlets were censused, 51,158 anti-malarials were audited, and 9,118 providers interviewed. The proportion of public health facilities with at least one first-line quality-assured ACT in stock ranged between 43% and 85%. Among private sector outlets stocking at least one anti-malarial, non-artemisinin therapies, such as chloroquine and sulphadoxine-pyrimethamine, were widely available (> 95% of outlets) as compared to first-line quality-assured ACT (sector, first-line quality-assured ACT was available for free in all countries except Benin and the DRC (US$1.29 [Inter Quartile Range (IQR): $1.29-$1.29] and $0.52[IQR: $0.00-$1.29] per adult equivalent dose respectively). In the private sector, first-line quality-assured ACT was 5-24 times more expensive than non-artemisinin therapies. The exception was Madagascar where, due to national social marketing of subsidized ACT, the price of first-line quality-assured ACT ($0.14 [IQR: $0.10, $0.57]) was significantly lower than the most popular treatment (chloroquine, $0.36 [IQR: $0.36, $0.36]). Quality-assured ACT accounted for less than 25% of total anti-malarial volumes; private-sector quality-assured ACT volumes represented less than 6% of the total market share. Most anti-malarials were distributed through the private sector

  5. Asian Creativity: A Response to Satoshi Kanazawa

    Directory of Open Access Journals (Sweden)

    Geoffrey Miller

    2006-01-01

    Full Text Available This article responds to Satoshi Kanazawa's thoughtful and entertaining comments about my article concerning the Asian future of evolutionary psychology. Contra Kanazawa's argument that Asian cultural traditions and/or character inhibit Asian scientific creativity, I review historical evidence of high Asian creativity, and psychometric evidence of high Asian intelligence (a cognitive trait and openness to experience (a personality trait — two key components of creativity. Contra Kanazawa's concern that political correctness is a bigger threat to American evolutionary psychology than religious fundamentalism, I review evidence from research funding patterns and student attitudes suggesting that fundamentalism is more harmful and pervasive. Finally, in response to Kanazawa's focus on tall buildings as indexes of national wealth and creativity, I find that 13 of the world's tallest 25 buildings are in China, Hong Kong, or Taiwan — of which 11 were built in the last decade. Asian creativity, secularism, and architectural prominence point to a bright future for Asian science.

  6. Health care expenditures among Asian American subgroups.

    Science.gov (United States)

    Chen, Jie; Vargas-Bustamante, Arturo; Ortega, Alexander N

    2013-06-01

    Using two nationally representative data sets, this study examined health care expenditure disparities between Caucasians and different Asian American subgroups. Multivariate analyses demonstrate that Asian Americans, as a group, have significantly lower total expenditures compared with Caucasians. Results also point to considerable heterogeneities in health care spending within Asian American subgroups. Findings suggest that language assistance programs would be effective in reducing disparities among Caucasians and Asian American subgroups with the exception of Indians and Filipinos, who tend to be more proficient in English. Results also indicate that citizenship and nativity were major factors associated with expenditure disparities. Socioeconomic status, however, could not explain expenditure disparities. Results also show that Asian Americans have lower physician and pharmaceutical costs but not emergency department or hospital expenditures. These findings suggest the need for culturally competent policies specific to Asian American subgroups and the necessity to encourage cost-effective treatments among Asian Americans.

  7. Metabolic syndrome in South Asians

    Directory of Open Access Journals (Sweden)

    Kaushik Pandit

    2012-01-01

    Full Text Available South Asia is home to one of the largest population of people with metabolic syndrome (MetS. The prevalence of MetS in South Asians varies according to region, extent of urbanization, lifestyle patterns, and socioeconomic/cultural factors. Recent data show that about one-third of the urban population in large cities in India has the MetS. All classical risk factors comprising the MetS are prevalent in Asian Indians residing in India. The higher risk in this ethnic population necessitated a lowering of the cut-off values of the risk factors to identify and intervene for the MetS to prevent diabetes and cardiovascular disease. Some pharmacological and nonpharmacological interventions are underway in MetS to assess the efficacy in preventing the diabetes and cardiovascular disease in this ethnic population.

  8. South Asian Diaspora in Scandinavia

    DEFF Research Database (Denmark)

    Singla, Rashmi

    2005-01-01

    and exclusion, individualization and interdependency, these relationships are delineated on the basis of two empirical projects, combined with an array of secondary sources. South Asian youth are becoming a part of the receiving society along with developing their complex diaspora identities through strategies...... like forming relationships across ethnic borders, youth organisations, and media consumption. Intergenerational relationships indicate negotiations for most, combining individualization with interdependency, but with serious conflicts for some. The conclusions pin point the challenges for Scandinavian...

  9. Asian School of Nuclear Medicine

    International Nuclear Information System (INIS)

    Sundram, Felix X.

    2004-01-01

    The Asian School of Nuclear Medicine (ASNM) was formed in February 2003, with the ARCCNM as the parent body. Aims of ASNM: 1. To foster Education in Nuclear Medicine among the Asian countries, particularly the less developed ones. 2. To promote training of Nuclear Medicine Physicians in cooperation with government agencies, IAEA and universities and societies. 3. To assist in national and regional training courses, award continuing medical education (CME) points and provide regional experts for advanced educational programmes. 4. To work towards awarding of diplomas or degrees in association with recognized universities by distance learning and practical attachments, with examinations. The ASNM works toward a formal training courses leading to the award of a certificate in the long term. The most fundamental job of the ASNM remains the transfer of knowledge from the more developed countries to the less developed ones in the Asian region. The ASNM could award credit hours to the participants of training courses conducted in the various countries and conduct electronic courses and examinations. CME programmes may also be conducted as part of the regular ARCCNM meetings and the ASNM will award CME credit points for such activities

  10. Stability-indicating HPLC-DAD/UV-ESI/MS impurity profiling of the anti-malarial drug lumefantrine.

    Science.gov (United States)

    Verbeken, Mathieu; Suleman, Sultan; Baert, Bram; Vangheluwe, Elien; Van Dorpe, Sylvia; Burvenich, Christian; Duchateau, Luc; Jansen, Frans H; De Spiegeleer, Bart

    2011-02-28

    Lumefantrine (benflumetol) is a fluorene derivative belonging to the aryl amino alcohol class of anti-malarial drugs and is commercially available in fixed combination products with β-artemether. Impurity characterization of such drugs, which are widely consumed in tropical countries for malaria control programmes, is of paramount importance. However, until now, no exhaustive impurity profile of lumefantrine has been established, encompassing process-related and degradation impurities in active pharmaceutical ingredients (APIs) and finished pharmaceutical products (FPPs). Using HPLC-DAD/UV-ESI/ion trap/MS, a comprehensive impurity profile was established based upon analysis of market samples as well as stress, accelerated and long-term stability results. In-silico toxicological predictions for these lumefantrine related impurities were made using Toxtree® and Derek®. Several new impurities are identified, of which the desbenzylketo derivative (DBK) is proposed as a new specified degradant. DBK and the remaining unspecified lumefantrine related impurities are predicted, using Toxtree® and Derek®, to have a toxicity risk comparable to the toxicity risk of the API lumefantrine itself. From unstressed, stressed and accelerated stability samples of lumefantrine API and FPPs, nine compounds were detected and characterized to be lumefantrine related impurities. One new lumefantrine related compound, DBK, was identified and characterized as a specified degradation impurity of lumefantrine in real market samples (FPPs). The in-silico toxicological investigation (Toxtree® and Derek®) indicated overall a toxicity risk for lumefantrine related impurities comparable to that of the API lumefantrine itself.

  11. Phytochemical analysis of essential oil of Anthriscus nemorosa and evaluation of antioxidant and anti-malarial activity

    Directory of Open Access Journals (Sweden)

    S. Naeini

    2017-11-01

    Full Text Available Background and objectives: This investigation was performed in order to analyze the composition of the essential oil (EO of Anthriscus nemorosa and evaluation of its anti-oxidant and anti-malarial activity of its extracts and determination of the total phenolics content (TPC and total flavonoid content (TFC. Methods: One hundred g dried powder of Anthriscus nemorosa was submitted to hydro-distillation and also was extracted (with n-hexane, dichloromethane (DCM and methanol (MeOH, by using Clevenger and Soxhlet apparatus, respectively. Moreover, extracted essential oil (EO was analyzed by GC-MS. Furthermore, the anti-oxidant, anti- malaria, Total phenolics content (TPC and total flavonoid content (TFC of EO and the extracts were investigated by DPPH, cell free -hematin formation, Folin- Ciocalteau and colorimetric methods, respectively. Results: Fifty nine compounds, representing 94% of total oil were identified High content of terpenoids (60.02% were identified in the essential oil with isogeranol (28.86%, crystathenyl acetate  (13.86% and farnesene (10.39% as the most dominant compounds.. Methanol extract demonstrated free radical scavenging activity (RC50 0.192±0.133.Total phenol contents was (325.82±2.72 mg/g. Total flavonoid content was (140.4096±2.4 mg/g. None of the extracts showed anti-malaria effect. Conclusion: Main constituents of A. nemorosa were terpenoids. In comparison with other species of Anthriscus, antioxidant activity of A. nemorosa essential oil was less noticeable.

  12. CYP450 phenotyping and accurate mass identification of metabolites of the 8-aminoquinoline, anti-malarial drug primaquine

    Directory of Open Access Journals (Sweden)

    Pybus Brandon S

    2012-08-01

    Full Text Available Abstract Background The 8-aminoquinoline (8AQ drug primaquine (PQ is currently the only approved drug effective against the persistent liver stage of the hypnozoite forming strains Plasmodium vivax and Plasmodium ovale as well as Stage V gametocytes of Plasmodium falciparum. To date, several groups have investigated the toxicity observed in the 8AQ class, however, exact mechanisms and/or metabolic species responsible for PQ’s haemotoxic and anti-malarial properties are not fully understood. Methods In the present study, the metabolism of PQ was evaluated using in vitro recombinant metabolic enzymes from the cytochrome P450 (CYP and mono-amine oxidase (MAO families. Based on this information, metabolite identification experiments were performed using nominal and accurate mass measurements. Results Relative activity factor (RAF-weighted intrinsic clearance values show the relative role of each enzyme to be MAO-A, 2C19, 3A4, and 2D6, with 76.1, 17.0, 5.2, and 1.7% contributions to PQ metabolism, respectively. CYP 2D6 was shown to produce at least six different oxidative metabolites along with demethylations, while MAO-A products derived from the PQ aldehyde, a pre-cursor to carboxy PQ. CYPs 2C19 and 3A4 produced only trace levels of hydroxylated species. Conclusions As a result of this work, CYP 2D6 and MAO-A have been implicated as the key enzymes associated with PQ metabolism, and metabolites previously identified as potentially playing a role in efficacy and haemolytic toxicity have been attributed to production via CYP 2D6 mediated pathways.

  13. Perinatal outcomes among Asian-white interracial couples.

    Science.gov (United States)

    Nystrom, Michael J; Caughey, Aaron B; Lyell, Deirdre J; Druzin, Maurice L; El-Sayed, Yasser Y

    2008-10-01

    To investigate whether perinatal outcomes among interracial Asian-white couples are different than among Asian-Asian and white-white couples. This was a retrospective study of Asian, white, and Asian-white couples delivered at the Lucile Packard Children's Hospital from 2000-2005. Asian-white couples were subdivided into white-mother/Asian-father or Asian-mother/white-father. Perinatal outcomes included gestational diabetes, hypertensive disorders of pregnancy, preterm delivery, birth weight >4000 g and interracial Asian-white couples.

  14. Asian School of Nuclear Medicine

    International Nuclear Information System (INIS)

    Sundram, F.X.

    2007-01-01

    A number of organisations are involved in the field of nuclear medicine education. These include International Atomic Energy Agency (IAEA), World Federation of Nuclear Medicine and Biology (WFNMB), Asia-Oceania Federation of Nuclear Medicine and Biology (AOFNMB), Society of Nuclear Medicine (SNM in USA), European Association of Nuclear Medicine (EANM). Some Universities also have M.Sc courses in Nuclear Medicine. In the Asian Region, an Asian Regional Cooperative Council for Nuclear Medicine (ARCCNM) was formed in 2000, initiated by China, Japan and Korea, with the main aim of fostering the spread of Nuclear Medicine in Asia. The Asian School of Nuclear Medicine (ASNM) was formed in February 2003, with the ARCCNM as the parent body. The Aims of ASNM are: to foster Education in Nuclear Medicine among the Asian countries, particularly the less developed regions; to promote training of Nuclear Medicine Physicians in cooperation with government agencies, IAEA and universities and societies; to assist in national and regional training courses, award continuing medical education (CME) points and provide regional experts for advanced educational programmes; and to work towards awarding of diplomas or degrees in association with recognised universities by distance learning and practical attachments, with examinations. There are 10 to 12 teaching faculty members from each country comprising of physicists, radio pharmacists as well as nuclear medicine physicians. From this list of potential teaching experts, the Vice-Deans and Dean of ASNM would then decide on the 2 appropriate teaching faculty member for a given assignment or a course in a specific country. The educational scheme could be in conjunction with the ARCCNM or with the local participating countries and their nuclear medicine organisations, or it could be a one-off training course in a given country. This teaching faculty is purely voluntary with no major expenses paid by the ASNM; a token contribution could be

  15. The severity of malarial anaemia in Plasmodium chabaudi infections of BALB/c mice is determined independently of the number of circulating parasites

    Directory of Open Access Journals (Sweden)

    Lamb Tracey J

    2008-04-01

    Full Text Available Abstract Background Severe malarial anaemia is a major complication of malaria infection and is multi-factorial resulting from loss of circulating red blood cells (RBCs from parasite replication, as well as immune-mediated mechanisms. An understanding of the causes of severe malarial anaemia is necessary to develop and implement new therapeutic strategies to tackle this syndrome of malaria infection. Methods Using analysis of variance, this work investigated whether parasite-destruction of RBCs always accounts for the severity of malarial anaemia during infections of the rodent malaria model Plasmodium chabaudi in mice of a BALB/c background. Differences in anaemia between two different clones of P. chabaudi were also examined. Results Circulating parasite numbers were not correlated with the severity of anaemia in either BALB/c mice or under more severe conditions of anaemia in BALB/c RAG2 deficient mice (lacking T and B cells. Mice infected with P. chabaudi clone CB suffered more severe anaemia than mice infected with clone AS, but this was not correlated with the number of parasites in the circulation. Instead, the peak percentage of parasitized RBCs was higher in CB-infected animals than in AS-infected animals, and was correlated with the severity of anaemia, suggesting that the availability of uninfected RBCs was impaired in CB-infected animals. Conclusion This work shows that parasite numbers are a more relevant measure of parasite levels in P. chabaudi infection than % parasitaemia, a measure that does not take anaemia into account. The lack of correlation between parasite numbers and the drop in circulating RBCs in this experimental model of malaria support a role for the host response in the impairment or destruction of uninfected RBC in P. chabaudi infections, and thus development of acute anaemia in this malaria model.

  16. Game over: Asian Americans and video game representation [symposium

    Directory of Open Access Journals (Sweden)

    Thien-bao Thuc Phi

    2009-03-01

    Full Text Available Even video games by Asian creators tend to depict primarily white characters or reference Asian stereotypes such as kung fu fighters or yakuza thugs. Games depicting the Vietnam war are particularly troubling for Asian players expected to identify with white characters. As the game industry continues to expand, its representation of Asians and Asian Americans must change.

  17. Resurgent Ethnicity among Asian Americans: Ethnic Neighborhood Context and Health

    Science.gov (United States)

    Walton, Emily

    2012-01-01

    In this study I investigate the associations of neighborhood socioeconomic and social environments with the health of Asian Americans living in both Asian ethnic neighborhoods and non-Asian neighborhoods. I use a sample of 1962 Asian Americans from the National Latino and Asian American Study (NLAAS, 2003-04). Three key findings emerge. First,…

  18. Aesthetic facial surgery for the asian male.

    Science.gov (United States)

    Lam, Samuel M

    2005-11-01

    Cosmetic surgery of the Asian face has become increasingly popular in the Far East and the West. The Asian male identity has undergone an evolution in Western media toward a more positive change. The standards of beauty have also changed, being defined by more multicultural models and styles of dress than before. To undertake cosmetic surgery of the Asian face, particularly of the Asian male, requires a different psychological understanding of the individual as well as an entirely different surgical technique in most cases. This brief article does not delve into the technical details of each procedure but concentrates on the salient differences in how to approach the Asian male patient for each of the different procedures, including Asian blepharoplasty, augmentation rhinoplasty, lip reduction, dimple fabrication, otoplasty, facial contouring and aging face procedures, and hair restoration.

  19. The Effect of Three-Monthly Albendazole Treatment on Malarial Parasitemia and Allergy: A Household-Based Cluster-Randomized, Double-Blind, Placebo-Controlled Trial

    Science.gov (United States)

    Kaisar, Maria M. M.; May, Linda; Prasetyani, Margaretta A.; Wahyuni, Sitti; Djuardi, Yenny; Ariawan, Iwan; Wibowo, Heri; Lell, Bertrand; Sauerwein, Robert; Brice, Gary T.; Sutanto, Inge; van Lieshout, Lisette; de Craen, Anton J. M.; van Ree, Ronald; Verweij, Jaco J.; Tsonaka, Roula; Houwing-Duistermaat, Jeanine J.; Luty, Adrian J. F.; Sartono, Erliyani; Supali, Taniawati; Yazdanbakhsh, Maria

    2013-01-01

    Background Helminth infections are proposed to have immunomodulatory activities affecting health outcomes either detrimentally or beneficially. We evaluated the effects of albendazole treatment, every three months for 21 months, on STH, malarial parasitemia and allergy. Methods and Findings A household-based cluster-randomized, double-blind, placebo-controlled trial was conducted in an area in Indonesia endemic for STH. Using computer-aided block randomization, 481 households (2022 subjects) and 473 households (1982 subjects) were assigned to receive placebo and albendazole, respectively, every three months. The treatment code was concealed from trial investigators and participants. Malarial parasitemia and malaria-like symptoms were assessed in participants older than four years of age while skin prick test (SPT) to allergens as well as reported symptoms of allergy in children aged 5–15 years. The general impact of treatment on STH prevalence and body mass index (BMI) was evaluated. Primary outcomes were prevalence of malarial parasitemia and SPT to any allergen. Analysis was by intention to treat. At 9 and 21 months post-treatment 80.8% and 80.1% of the study subjects were retained, respectively. The intensive treatment regiment resulted in a reduction in the prevalence of STH by 48% in albendazole and 9% in placebo group. Albendazole treatment led to a transient increase in malarial parasitemia at 6 months post treatment (OR 4.16(1.35–12.80)) and no statistically significant increase in SPT reactivity (OR 1.18(0.74–1.86) at 9 months or 1.37 (0.93–2.01) 21 months). No effect of anthelminthic treatment was found on BMI, reported malaria-like- and allergy symptoms. No adverse effects were reported. Conclusions The study indicates that intensive community treatment of 3 monthly albendazole administration for 21 months over two years leads to a reduction in STH. This degree of reduction appears safe without any increased risk of malaria or allergies. Trial

  20. Beyond 'Asian Values': Rationales For Australian-Japan Cooperation In Asian Regionalism

    OpenAIRE

    Go Ito

    2010-01-01

    In the past, the experience of the ‘East Asian Miracle’ and the sufferings from the ‘East Asian Meltdown’ were the impetus to generate and develop East Asian regional identity. The situation, however, is changing drastically. The future of East Asia regionalism has become amorphous because of complicated new trends. Japan, one of the important actors that constitute triangular relationships in East Asia, has been encouraging development of East Asian regionalism in the economic arena. Austral...

  1. East Asian Financial Cycles: Asian vs. Global Financial Crises

    OpenAIRE

    Akira Kohsaka; Jun-ichi Shinkai

    2014-01-01

    We examine the role of financial shocks in business cycles in general and in financial crises in particular in East Asia (Indonesia, Korea, Malaysia and Thailand) since the 1990s. Estimating a Financial Conditions Index, we found that financial shocks explain most of business downturns in all the economies in the Asian Financial Crisis (AFC) in 1997-98, but that the effects of financial shocks are diverse across economies in the Global Financial Crisis (GFC) in 2008-09. In the GFC, the financ...

  2. Esp Research Trends in Asian Context

    OpenAIRE

    Jantaravipark, Arpawan; Sa-ngiamwibool, Amporn

    2015-01-01

    Due to the influence of global and regional economic changes, English for Specific Purposes (ESP) plays a more vital role in English language studies worldwide, including in Asian context. A look at any issues relat-ing to Asian ESP will shed light to the needs of English in this content. This present study therefore sur-veyed recent trends of ESP research in this context, with the purpose of the study which aimed to explore recent trends in Asian ESP research from 2005 to 2013. The Asian ESP...

  3. Numerical Algorithm for Delta of Asian Option

    Directory of Open Access Journals (Sweden)

    Boxiang Zhang

    2015-01-01

    Full Text Available We study the numerical solution of the Greeks of Asian options. In particular, we derive a close form solution of Δ of Asian geometric option and use this analytical form as a control to numerically calculate Δ of Asian arithmetic option, which is known to have no explicit close form solution. We implement our proposed numerical method and compare the standard error with other classical variance reduction methods. Our method provides an efficient solution to the hedging strategy with Asian options.

  4. Asian Values and Democratic Citizenship: Exploring Attitudes among South Korean Eighth Graders Using Data from the ICCS Asian Regional Module

    Science.gov (United States)

    Knowles, Ryan Thomas

    2015-01-01

    Utilizing data from the 2009 IEA International Civic and Citizenship Study Asian Regional Module, this secondary analysis explores the relationship between traditional Asian values and democratic citizenship. Findings identify two dimensions of Asian values: Asian civic values and obedience to authority. Among South Korean students, Asian civic…

  5. "How Asian Am I?": Asian American Youth Cultures, Drug Use, and Ethnic Identity Construction

    Science.gov (United States)

    Hunt, Geoffrey; Moloney, Molly; Evans, Kristin

    2011-01-01

    This article analyzes the construction of ethnic identity in the narratives of 100 young Asian Americans in a dance club/rave scene. Authors examine how illicit drug use and other consuming practices shape their understanding of Asian American identities, finding three distinct patterns. The first presents a disjuncture between Asian American…

  6. South Asian Labour and Employment Report: Promoting Inclusive ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    South Asian workers, especially women and lower caste workers, face ... Asian Employment Report will present policy options to promote growth and employment. ... IHD will work with the South Asian offices of the United Nations Economic ...

  7. Asian student migration to Australia.

    Science.gov (United States)

    Shu, J; Hawthorne, L

    1996-01-01

    "This paper presents an overview of Asian student migration to Australia, together with an analysis of political and educational aspects of the overseas student programme. It focuses on some significant consequences of this flow for Australia. The characteristics of key student groups are contrasted to provide some perspective of the diversity of historical and cultural backgrounds, with the source countries of Malaysia, Indonesia and PRC [China] selected as case studies. Since the issue of PRC students in Australia has attracted considerable public attention and policy consideration, particular focus is placed on their experience." (SUMMARY IN FRE AND SPA) excerpt

  8. Comparative genome-wide analysis and evolutionary history of haemoglobin-processing and haem detoxification enzymes in malarial parasites.

    Science.gov (United States)

    Ponsuwanna, Patrath; Kochakarn, Theerarat; Bunditvorapoom, Duangkamon; Kümpornsin, Krittikorn; Otto, Thomas D; Ridenour, Chase; Chotivanich, Kesinee; Wilairat, Prapon; White, Nicholas J; Miotto, Olivo; Chookajorn, Thanat

    2016-01-29

    Malaria parasites have evolved a series of intricate mechanisms to survive and propagate within host red blood cells. Intra-erythrocytic parasitism requires these organisms to digest haemoglobin and detoxify iron-bound haem. These tasks are executed by haemoglobin-specific proteases and haem biocrystallization factors that are components of a large multi-subunit complex. Since haemoglobin processing machineries are functionally and genetically linked to the modes of action and resistance mechanisms of several anti-malarial drugs, an understanding of their evolutionary history is important for drug development and drug resistance prevention. Maximum likelihood trees of genetic repertoires encoding haemoglobin processing machineries within Plasmodium species, and with the representatives of Apicomplexan species with various host tropisms, were created. Genetic variants were mapped onto existing three-dimensional structures. Genome-wide single nucleotide polymorphism data were used to analyse the selective pressure and the effect of these mutations at the structural level. Recent expansions in the falcipain and plasmepsin repertoires are unique to human malaria parasites especially in the Plasmodium falciparum and P. reichenowi lineage. Expansion of haemoglobin-specific plasmepsins occurred after the separation event of Plasmodium species, but the other members of the plasmepsin family were evolutionarily conserved with one copy for each sub-group in every Apicomplexan species. Haemoglobin-specific falcipains are separated from invasion-related falcipain, and their expansions within one specific locus arose independently in both P. falciparum and P. vivax lineages. Gene conversion between P. falciparum falcipain 2A and 2B was observed in artemisinin-resistant strains. Comparison between the numbers of non-synonymous and synonymous mutations suggests a strong selective pressure at falcipain and plasmepsin genes. The locations of amino acid changes from non

  9. Operational strategies of anti-malarial drug campaigns for malaria elimination in Zambia's southern province: a simulation study.

    Science.gov (United States)

    Stuckey, Erin M; Miller, John M; Littrell, Megan; Chitnis, Nakul; Steketee, Rick

    2016-03-09

    Malaria elimination requires reducing both the potential of mosquitoes to transmit parasites to humans and humans to transmit parasites to mosquitoes. To achieve this goal in Southern province, Zambia a mass test and treat (MTAT) campaign was conducted from 2011-2013 to complement high coverage of long-lasting insecticide-treated nets (LLIN). To identify factors likely to increase campaign effectiveness, a modelling approach was applied to investigate the simulated effect of alternative operational strategies for parasite clearance in southern province. OpenMalaria, a discrete-time, individual-based stochastic model of malaria, was parameterized for the study area to simulate anti-malarial drug administration for interruption of transmission. Simulations were run for scenarios with a range of artemisinin-combination therapies, proportion of the population reached by the campaign, targeted age groups, time between campaign rounds, Plasmodium falciparum test protocols, and the addition of drugs aimed at preventing onward transmission. A sensitivity analysis was conducted to assess uncertainty of simulation results. Scenarios were evaluated based on the reduction in all-age parasite prevalence during the peak transmission month one year following the campaign, compared to the currently-implemented strategy of MTAT 19 % population coverage at pilot and 40 % coverage during the first year of implementation in the presence of 56 % LLIN use and 18 % indoor residual spray coverage. Simulation results suggest the most important determinant of success in reducing prevalence is the population coverage achieved in the campaign, which would require more than 1 year of campaign implementation for elimination. The inclusion of single low-dose primaquine, which acts as a gametocytocide, or ivermectin, which acts as an endectocide, to the drug regimen did not further reduce parasite prevalence one year following the campaign compared to the currently-implemented strategy

  10. The malarial impact on the nutritional status of Amazonian adult subjects Impacto da malaria no estado nutricional de doentes adultos da Amazônia

    Directory of Open Access Journals (Sweden)

    Paulo C. M. Pereira

    1995-02-01

    Full Text Available The anthropometric (body weight, height, upper arm circumference, triceps and subescapular skinfolds; Quetelet index and arm muscle circunference and blood biochemistry (proteins and lipids parameters were evaluated in 93 males and 27 females, 17-72 years old voluntaries living in the malarial endemic area of Humaita city (southwest Amazon. According to their malarial history they were assembled in four different groups: G1-controls without malarial history (n:30; G2 - controls with malarial history but without actual manifestation of the disease (n:40; G3 - patients with Plasmodium vivax (n:19 and G4 - patients with Plasmodium falciparum (n:31. The malarial status was stablished by clinical and laboratory findings. The overall data of anthropometry and blood biochemistry discriminated the groups differently. The anthropometric data were low sensitive and contrasted only the two extremes (G1>G4 whereas the biochemistry differentiated two big groups, the healthy (G1+G2 and the patients (G3+G4. The nutritional status of the P. falciparum patients was highly depressed for most of the studied indices but none was sensitive enough to differentiate this group from the P. vivax group (G3. On the other hand the two healthy groups could be differentiated through the levels of ceruloplasmin (G1G2. Thus it seems that the malaria-malnourishment state exists and the results could be framed either as a consequence of nutrient sink and/or the infection stress both motivated by the parasite.A avaliação antropométrica (pêso, altura, circunferência branquial, prega cutânea tricipital, prega cutânea subescapular, índice de Quetelet e circunferência muscular do braço e bioquímica (proteínas e lipides foi realizado em 120 indivíduos (93 masculinos e 27 do sexo feminino, de 17 a 72 anos de idade, moradores de área endêmica de malária (Humaitá -AM. De acordo com a história da doença (malária eles foram divididos em 4 grupos: G1 - controle (n = 30

  11. Awareness and Use of South Asian Tobacco Products Among South Asians in New Jersey.

    Science.gov (United States)

    Hrywna, Mary; Jane Lewis, M; Mukherjea, Arnab; Banerjee, Smita C; Steinberg, Michael B; Delnevo, Cristine D

    2016-12-01

    South Asians are the third largest Asian group in the US and among the fastest growing racial groups in New Jersey. Tobacco consumption among South Asians is characterized by several smoked and smokeless tobacco products indigenous to the Indian subcontinent. However, there is a paucity of research on tobacco use behaviors among South Asians in the US. The goal of this study was to examine the awareness and use of South Asian tobacco products such as bidis, gutkha, paan, paan masala, and zarda as well as other potentially carcinogenic products such as supari, their context of use, and their cultural significance among South Asians living in the US. Eight focus groups were conducted with South Asian adults living in Central New Jersey. Overall, participants were aware of a wide variety of foreign and American tobacco products with older South Asians identifying a greater variety of indigenous products compared to younger South Asians. Hookah was consistently recognized as popular among the younger generation while products such as paan or paan masala were more commonly identified with elders. Use of tobacco-related products such as paan and supari were described as common at social gatherings or after meals. In addition, light or social users of South Asian tobacco products, including products not consistently defined as tobacco, may not report tobacco use on a survey. Better understanding of the use of these products among South Asians and how some may classify tobacco usage can inform future research and public health interventions in these communities.

  12. Learning Style Preferences of Southeast Asian Students.

    Science.gov (United States)

    Park, Clara C.

    2000-01-01

    Investigated the perceptual learning style preferences (auditory, visual, kinesthetic, and tactile) and preferences for group and individual learning of Southeast Asian students compared to white students. Surveys indicated significant differences in learning style preferences between Southeast Asian and white students and between the diverse…

  13. Asian Economic Integration Monitor July 2012

    OpenAIRE

    Asian Development Bank (ADB); Asian Development Bank (ADB); Asian Development Bank (ADB); Asian Development Bank (ADB)

    2012-01-01

    The Asian Economic Integration Monitor is a semiannual review of Asia’s regional economic cooperation and integration. It covers 48 regional member countries of the Asian Development Bank. This issue includes a special section—Regional Integration: A Balanced View.

  14. Asian Cinema and the Social Imaginary

    Science.gov (United States)

    Dissanayake, Wimal

    2009-01-01

    There is growing interest by schools and universities in understanding Asian societies and cultures. One way of deepening this interest productively is through the imaginative use of cinema. In this article, the author explores how cinema can be a window into the dynamics of contemporary Asian societies and cultures. Through "aesthetic…

  15. Asians in Higher Education: Conflicts over Admissions.

    Science.gov (United States)

    Hoachlander, E. Gareth; Brown, Cynthia L.

    1989-01-01

    Many Asian Americans believe that the admissions policies of many selective colleges are unfair to them. Demographic trends and the resultant political activity are discussed. The admissions policies and practices that Asian Americans consider objectionable are examined and some policy options are offered. (MLW)

  16. Profiles of Asians in Sacramento. Final Report.

    Science.gov (United States)

    Lee, Ivy

    This project was undertaken to provide more information on the condition of Asians. More specifically, it sought to: (1) obtain descriptive and demographic data on Asians; (2) determine the extent of usage of existing social services. Structural and attitudinal factors which facilitate or inhibit usage were examined; (3) identify what Asians…

  17. Regional conditions in East Asian development

    DEFF Research Database (Denmark)

    Søborg, Henrik

    2006-01-01

    The present volume contains case studies of how government og firms in a number of Asian countries have responded to challenges of globalisation and how that has affected their economic transformation.......The present volume contains case studies of how government og firms in a number of Asian countries have responded to challenges of globalisation and how that has affected their economic transformation....

  18. Asian Educational Discourse: Construction of Ontological Security

    Science.gov (United States)

    Khalina, Natalya V.; Kovaleva, Alla V.; Voronin, Maksim S.; Anikin, Denis V.; Valyulina, Ekaterina V.

    2018-01-01

    This article considers the problem of ontology security through Asian educational discourse, which is structurally determined by the process of moral self-improvement. Considered are trends in improving the management of educational system by developing the culture of quality, which is considered as the next stage of the Asian education systems…

  19. Asian & Pacific Islander American Health Forum

    Science.gov (United States)

    ... Report.pdf [1.2MB] Obesity and Overweight Among Asian American Children and Adolescents 2016.04.28-OBESITY AND ... Month Stay Connected! Receive the latest APIAHF updates Asian & Pacific Islander American Health Forum. All rights reserved. One Kaiser Plaza, ...

  20. Asian American Giving to US Higher Education

    Science.gov (United States)

    Tsunoda, Kozue

    2010-01-01

    Asian Americans have had significant impacts on and within mainstream US society, and their great efforts and gifts in the name of charitable causes are no exception. This study aims to examine perceptions within American university development offices about Asian American giving to US higher education. The article begins with a literature review…

  1. Asian Values: Basic Contentions And Possible Counterarguments

    Directory of Open Access Journals (Sweden)

    Кирилл Вадимович Батыгин

    2013-12-01

    Full Text Available The present article provides a retrospective of the “Asian values” debate which can be traced to the late 20 th century with the contemporary topical statements from Southeast Asian political actors, most notably those of Singapore and Malaysia, acting as a starting point. The declamatory proclamations of Southeast Asian political leaders and the numerous articles by esteemed scholars provide a fascinating literary landscape which the author attempts to traverse in the aim of producing what could be considered the concept's most important principals. Still, it is the contention of the author that “Asian values” represent the reaction of a select number of political leaders and thinkers in light of the so-called "Southeast Asian economic miracle". Consequently, a review of various critical statements dealing with the viability of the concept provides the highlight of the article.

  2. Anti-malarial effect of 1-(N-acetyl-6-aminohexyl-3-hydroxy-2-methylpyridin-4-one and green tea extract on erythrocyte-stage Plasmodium berghei in mice

    Directory of Open Access Journals (Sweden)

    Phitsinee Thipubon

    2015-11-01

    Conclusions: CM1 would be effective per se and synergize with PYR in inhibiting growth of murine malaria parasites, possibly by limiting iron supply from plasma transferrin and host PRBC cytoplasm, and chelating catalytic iron cstitutive in parasites’ mitochondrial cytochromes and cytoplasmic ribonucleotide reductase. CM1 would be a promising adjuvant to enhance PYR anti-malarial activity and minimize the drug resistance.

  3. Understanding the Southeast Asian haze

    Science.gov (United States)

    G, Karthik K. R.; Baikie, T.; T, Mohan Dass E.; Huang, Y. Z.; Guet, C.

    2017-08-01

    The Southeast Asian region had been subjected to a drastic reduction in air quality from the biomass burnings that occurred in 2013 and 2015. The smoke from the biomass burnings covered the entire region including Brunei, Indonesia, Malaysia, Singapore and Thailand, with haze particulate matter (PM) reducing the air quality to hazardous levels. Here we report a comprehensive size-composition-morphology characterization of the PM collected from an urban site in Singapore during the two haze events. The two haze events were a result of biomass burning and occurred in two different geographical source regions. We show the similarities and variations of particle size distribution during hazy and clear days during the two haze events. Sub-micron particles (method is used to determine the fractal dimensions of the PM, and the dimensionality varied for every classification from 1.79 to 1.88. We also report the complexities of particles and inconsistencies in the existing approaches to understand them.

  4. Explaining Asian Americans' academic advantage over whites.

    Science.gov (United States)

    Hsin, Amy; Xie, Yu

    2014-06-10

    The superior academic achievement of Asian Americans is a well-documented phenomenon that lacks a widely accepted explanation. Asian Americans' advantage in this respect has been attributed to three groups of factors: (i) socio-demographic characteristics, (ii) cognitive ability, and (iii) academic effort as measured by characteristics such as attentiveness and work ethic. We combine data from two nationally representative cohort longitudinal surveys to compare Asian-American and white students in their educational trajectories from kindergarten through high school. We find that the Asian-American educational advantage is attributable mainly to Asian students exerting greater academic effort and not to advantages in tested cognitive abilities or socio-demographics. We test explanations for the Asian-white gap in academic effort and find that the gap can be further attributed to (i) cultural differences in beliefs regarding the connection between effort and achievement and (ii) immigration status. Finally, we highlight the potential psychological and social costs associated with Asian-American achievement success.

  5. 6th Asian Physics Symposium

    International Nuclear Information System (INIS)

    2016-01-01

    Preface: The 6th Asian Physics Symposium 2015 (APS 2015) The 6th Asian Physics Symposium 2015 (APS 2015) is organized by the Physics Department, Faculty of Mathematics and Natural Sciences, Bandung Institute of Technology, in collaboration with HFI (Indonesian Physical Society), PAPSI (Physics and Applied Physics Society of Indonesia), HANI (Indonesian Nuclear Scientist Society), HRMI (Indonesian Material Research Society), HAGI (Indonesian Geophysicist Society) - West Java Chapter, and HFMBI (Indonesian Medical Physicist and Biophysicist Society). APS 2015 is aimed at providing a forum of scientific communication and interaction among distinguished scientists working in physics and its related fields. In this scientific event the latest research will be presented, and state-of-the-art developments in the field discussed, to help to guide our future research directions. It is also designed to offer the opportunity for young Indonesian scientists and students to make direct contacts with well-known scientists abroad and thereby foster the existing research collaborations and extend international research networking for the future. The scope of research presented and discussed in this symposium covers theoretical high energy physics, materials sciences and technology, biophysics and medical physics, nuclear science and engineering, earth and planetary sciences, computational physics, instrumentation and measurement, physics education, and interdisciplinary physics. The program of APS 2016 features 6 invited talks and 208 contributed oral presentations, which come from 7 different countries: Japan, South Korea, Singapore, Malaysia, Iraq, Ethiopia, and Indonesia. All papers have been reviewed after they are presented in this event. Selected papers are published in this Institute of Physics (IoP) Conference Series. Finally, I would like to express my sincere appreciation to all of authors for their valuable contributions and also to the members of the committee for

  6. Closing the access barrier for effective anti-malarials in the private sector in rural Uganda: consortium for ACT private sector subsidy (CAPSS) pilot study.

    Science.gov (United States)

    Talisuna, Ambrose O; Daumerie, Penny Grewal; Balyeku, Andrew; Egan, Timothy; Piot, Bram; Coghlan, Renia; Lugand, Maud; Bwire, Godfrey; Rwakimari, John Bosco; Ndyomugyenyi, Richard; Kato, Fred; Byangire, Maria; Kagwa, Paul; Sebisubi, Fred; Nahamya, David; Bonabana, Angela; Mpanga-Mukasa, Susan; Buyungo, Peter; Lukwago, Julius; Batte, Allan; Nakanwagi, Grace; Tibenderana, James; Nayer, Kinny; Reddy, Kishore; Dokwal, Nilesh; Rugumambaju, Sylvester; Kidde, Saul; Banerji, Jaya; Jagoe, George

    2012-10-29

    Artemisinin-based combination therapy (ACT), the treatment of choice for uncomplicated falciparum malaria, is unaffordable and generally inaccessible in the private sector, the first port of call for most malaria treatment across rural Africa. Between August 2007 and May 2010, the Uganda Ministry of Health and the Medicines for Malaria Venture conducted the Consortium for ACT Private Sector Subsidy (CAPSS) pilot study to test whether access to ACT in the private sector could be improved through the provision of a high level supply chain subsidy. Four intervention districts were purposefully selected to receive branded subsidized medicines - "ACT with a leaf", while the fifth district acted as the control. Baseline and evaluation outlet exit surveys and retail audits were conducted at licensed and unlicensed drug outlets in the intervention and control districts. A survey-adjusted, multivariate logistic regression model was used to analyse the intervention's impact on: ACT uptake and price; purchase of ACT within 24 hours of symptom onset; ACT availability and displacement of sub-optimal anti-malarial. At baseline, ACT accounted for less than 1% of anti-malarials purchased from licensed drug shops for children less than five years old. However, at evaluation, "ACT with a leaf" accounted for 69% of anti-malarial purchased in the interventions districts. Purchase of ACT within 24 hours of symptom onset for children under five years rose from 0.8% at baseline to 26.2% (95% CI: 23.2-29.2%) at evaluation in the intervention districts. In the control district, it rose modestly from 1.8% to 5.6% (95% CI: 4.0-7.3%). The odds of purchasing ACT within 24 hours in the intervention districts compared to the control was 0.46 (95% CI: 0.08-2.68, p=0.4) at baseline and significant increased to 6.11 (95% CI: 4.32-8.62, psupply-side subsidy and an intensive communications campaign significantly increased the uptake and use of ACT in the private sector in Uganda.

  7. Polymorphisms in genes of interleukin 12 and its receptors and their association with protection against severe malarial anaemia in children in western Kenya

    Directory of Open Access Journals (Sweden)

    Slutsker Laurence

    2010-03-01

    Full Text Available Abstract Background Malarial anaemia is characterized by destruction of malaria infected red blood cells and suppression of erythropoiesis. Interleukin 12 (IL12 significantly boosts erythropoietic responses in murine models of malarial anaemia and decreased IL12 levels are associated with severe malarial anaemia (SMA in children. Based on the biological relevance of IL12 in malaria anaemia, the relationship between genetic polymorphisms of IL12 and its receptors and SMA was examined. Methods Fifty-five tagging single nucleotide polymorphisms covering genes encoding two IL12 subunits, IL12A and IL12B, and its receptors, IL12RB1 and IL12RB2, were examined in a cohort of 913 children residing in Asembo Bay region of western Kenya. Results An increasing copy number of minor variant (C in IL12A (rs2243140 was significantly associated with a decreased risk of SMA (P = 0.006; risk ratio, 0.52 for carrying one copy of allele C and 0.28 for two copies. Individuals possessing two copies of a rare variant (C in IL12RB1 (rs429774 also appeared to be strongly protective against SMA (P = 0.00005; risk ratio, 0.18. In addition, children homozygous for another rare allele (T in IL12A (rs22431348 were associated with reduced risk of severe anaemia (SA (P = 0.004; risk ratio, 0.69 and of severe anaemia with any parasitaemia (SAP (P = 0.004; risk ratio, 0.66. In contrast, AG genotype for another variant in IL12RB1 (rs383483 was associated with susceptibility to high-density parasitaemia (HDP (P = 0.003; risk ratio, 1.21. Conclusions This study has shown strong associations between polymorphisms in the genes of IL12A and IL12RB1 and protection from SMA in Kenyan children, suggesting that human genetic variants of IL12 related genes may significantly contribute to the development of anaemia in malaria patients.

  8. Closing the access barrier for effective anti-malarials in the private sector in rural Uganda: consortium for ACT private sector subsidy (CAPSS pilot study

    Directory of Open Access Journals (Sweden)

    Talisuna Ambrose O

    2012-10-01

    Full Text Available Abstract Background Artemisinin-based combination therapy (ACT, the treatment of choice for uncomplicated falciparum malaria, is unaffordable and generally inaccessible in the private sector, the first port of call for most malaria treatment across rural Africa. Between August 2007 and May 2010, the Uganda Ministry of Health and the Medicines for Malaria Venture conducted the Consortium for ACT Private Sector Subsidy (CAPSS pilot study to test whether access to ACT in the private sector could be improved through the provision of a high level supply chain subsidy. Methods Four intervention districts were purposefully selected to receive branded subsidized medicines - “ACT with a leaf”, while the fifth district acted as the control. Baseline and evaluation outlet exit surveys and retail audits were conducted at licensed and unlicensed drug outlets in the intervention and control districts. A survey-adjusted, multivariate logistic regression model was used to analyse the intervention’s impact on: ACT uptake and price; purchase of ACT within 24 hours of symptom onset; ACT availability and displacement of sub-optimal anti-malarial. Results At baseline, ACT accounted for less than 1% of anti-malarials purchased from licensed drug shops for children less than five years old. However, at evaluation, “ACT with a leaf” accounted for 69% of anti-malarial purchased in the interventions districts. Purchase of ACT within 24 hours of symptom onset for children under five years rose from 0.8% at baseline to 26.2% (95% CI: 23.2-29.2% at evaluation in the intervention districts. In the control district, it rose modestly from 1.8% to 5.6% (95% CI: 4.0-7.3%. The odds of purchasing ACT within 24 hours in the intervention districts compared to the control was 0.46 (95% CI: 0.08-2.68, p=0.4 at baseline and significant increased to 6.11 (95% CI: 4.32-8.62, p Conclusions These data demonstrate that a supply-side subsidy and an intensive communications campaign

  9. Obesity and Dyslipidemia in South Asians

    Science.gov (United States)

    Misra, Anoop; Shrivastava, Usha

    2013-01-01

    Obesity and dyslipidemia are emerging as major public health challenges in South Asian countries. The prevalence of obesity is more in urban areas than rural, and women are more affected than men. Further, obesity in childhood and adolescents is rising rapidly. Obesity in South Asians has characteristic features: high prevalence of abdominal obesity, with more intra-abdominal and truncal subcutaneous adiposity than white Caucasians. In addition, there is greater accumulation of fat at “ectopic” sites, namely the liver and skeletal muscles. All these features lead to higher magnitude of insulin resistance, and its concomitant metabolic disorders (the metabolic syndrome) including atherogenic dyslipidemia. Because of the occurrence of type 2 diabetes, dyslipidemia and other cardiovascular morbidities at a lower range of body mass index (BMI) and waist circumference (WC), it is proposed that cut-offs for both measures of obesity should be lower (BMI 23–24.9 kg/m2 for overweight and ≥25 kg/m2 for obesity, WC ≥80 cm for women and ≥90 cm for men for abdominal obesity) for South Asians, and a consensus guideline for these revised measures has been developed for Asian Indians. Increasing obesity and dyslipidemia in South Asians is primarily driven by nutrition, lifestyle and demographic transitions, increasingly faulty diets and physical inactivity, in the background of genetic predisposition. Dietary guidelines for prevention of obesity and diabetes, and physical activity guidelines for Asian Indians are now available. Intervention programs with emphasis on improving knowledge, attitude and practices regarding healthy nutrition, physical activity and stress management need to be implemented. Evidence for successful intervention program for prevention of childhood obesity and for prevention of diabetes is available for Asian Indians, and could be applied to all South Asian countries with similar cultural and lifestyle profiles. Finally, more research on

  10. Obesity and Dyslipidemia in South Asians

    Directory of Open Access Journals (Sweden)

    Anoop Misra

    2013-07-01

    Full Text Available Obesity and dyslipidemia are emerging as major public health challenges in South Asian countries. The prevalence of obesity is more in urban areas than rural, and women are more affected than men. Further, obesity in childhood and adolescents is rising rapidly. Obesity in South Asians has characteristic features: high prevalence of abdominal obesity, with more intra-abdominal and truncal subcutaneous adiposity than white Caucasians. In addition, there is greater accumulation of fat at “ectopic” sites, namely the liver and skeletal muscles. All these features lead to higher magnitude of insulin resistance, and its concomitant metabolic disorders (the metabolic syndrome including atherogenic dyslipidemia. Because of the occurrence of type 2 diabetes, dyslipidemia and other cardiovascular morbidities at a lower range of body mass index (BMI and waist circumference (WC, it is proposed that cut-offs for both measures of obesity should be lower (BMI 23–24.9 kg/m2 for overweight and ≥25 kg/m2 for obesity, WC ≥80 cm for women and ≥90 cm for men for abdominal obesity for South Asians, and a consensus guideline for these revised measures has been developed for Asian Indians. Increasing obesity and dyslipidemia in South Asians is primarily driven by nutrition, lifestyle and demographic transitions, increasingly faulty diets and physical inactivity, in the background of genetic predisposition. Dietary guidelines for prevention of obesity and diabetes, and physical activity guidelines for Asian Indians are now available. Intervention programs with emphasis on improving knowledge, attitude and practices regarding healthy nutrition, physical activity and stress management need to be implemented. Evidence for successful intervention program for prevention of childhood obesity and for prevention of diabetes is available for Asian Indians, and could be applied to all South Asian countries with similar cultural and lifestyle profiles. Finally, more

  11. Interaction of malaria with a common form of severe thalassemia in an Asian population

    Science.gov (United States)

    O'Donnell, A.; Premawardhena, A.; Arambepola, M.; Samaranayake, R.; Allen, S. J.; Peto, T. E. A.; Fisher, C. A.; Cook, J.; Corran, P. H.; Olivieri, Nancy F.; Weatherall, D. J.

    2009-01-01

    In many Asian populations, the commonest form of severe thalassemia results from the coinheritance of HbE and β thalassemia. The management of this disease is particularly difficult because of its extreme clinical diversity; although some genetic and adaptive factors have been identified as phenotypic modifiers, the reasons remain unclear. Because the role of the environment in the course of severe thalassemia has been neglected completely and because malaria due to both Plasmodium falciparum and Plasmodium vivax has been prevalent in Sri Lanka, we carried out a pilot study of patients with HbE β thalassemia that showed high frequencies of antibodies to both parasite species and that 28.6% of the children had DNA-based evidence of current infection with P. vivax. Malarial antibodies then were assessed in patients with HbE β thalassemia compared with those in age-matched controls. There was a significant increase in the frequency of antibodies in the thalassemic patients, particularly against P. vivax and in young children. There was also a higher frequency in those who had been splenectomized compared with those with intact spleens, although in the latter it was still higher than that in the controls. The thalassemic patients showed significant correlations between malaria antibody status and phenotype. Patients with HbE β thalassemia may be more prone to malaria, particularly P. vivax, which is reflected in their clinical severity. Because P. vivax malaria is widespread in Asia, further studies of its interaction with HbE β thalassemia and related diseases are required urgently as a part of ongoing thalassemia control programs. PMID:19841268

  12. Anti-malarial drug safety information obtained through routine monitoring in a rural district of South-Western Senegal

    Directory of Open Access Journals (Sweden)

    Brasseur Philippe

    2012-12-01

    Full Text Available Abstract Background Knowing the safety profile of anti-malarial treatments in routine use is essential; millions of patients receive now artemisinin combination therapy (ACT annually, but the return on information through current systems is as yet inadequate. Cohort event monitoring (CEM is a WHO (World Health Organization-recommended practice; testing its performance and feasibility in routine practice in malaria-endemic is important. Methods A nine-year CEM-based study of the safety of artesunate-amodiaquine (ASAQ at five peripheral health facilities in a rural district of South-western Senegal. Staff (nurses, health workers were trained to collect actively and systematically information on the patient, treatment and events on a purposely designed questionnaire. The occurrence and severity of events was collected before, during and after treatment up to 28 days in order to generate information on all adverse events (AEs as well as treatment-emerging signs/symptoms (TESS. Laboratory tests (haematology, liver and renal was planned for at least 10% of cases. Results During 2001–2009, 3,708 parasitologically-confirmed malaria cases (mean age = 16.0 ± 12.7 years were enrolled (26% and 52% of all and parasitologically-confirmed ASAQ treatments, respectively. Treatment was supervised in 96% of cases. Products changed over time: 49% were a loose combination of individually-packaged products (available 2001–03, 42% co-blistered products (2004–09 and 9% a fixed-dose co-formulation (2006–09; dosing was age-based for 42%, weight-based for 58%. AS and AQ were correctly dosed in 97% and 82% of cases with the loose and 93% and 86% with the fixed combination, but only 50% and 42% with the co-blistered product. Thirty-three per cent (33% of patients had at least one sign/symptom pre-treatment, 12% had at least one AE and 9% a TESS (total events 3,914, 1,144 and 693, respectively. AEs overestimated TESS by 1.2-2 fold (average 1.7. Changes in

  13. Chronic Liver Disease and Asian Americans/Pacific Islanders

    Science.gov (United States)

    ... Cancer Asian/Pacific Islander Women Non-Hispanic White Women Asian/Pacific Islander/ Non-Hispanic White Ratio All Sites ... Cancer Asian/Pacific Islander Women Non-Hispanic White Women Asian/Pacific Islander/ Non-Hispanic White Ratio Liver & IBD* ...

  14. Evolution of Asian Interior Arid-Zone Biota: Evidence from the Diversification of Asian Zygophyllum (Zygophyllaceae)

    Science.gov (United States)

    Li, Hong-Lei; Yu, Sheng-Xiang; Zhang, Lin-Jing; Wang, Wei

    2015-01-01

    The Asian interior arid zone is the largest desert landform system in the Northern Hemisphere, and has high biodiversity. Little is currently known about the evolutionary history of its biota. In this study, we used Zygophyllum, an important and characteristic component of the Asian interior arid zone, to provide new insights into the evolution of this biota. By greatly enlarged taxon sampling, we present the phylogenetic analysis of Asian Zygophyllum based on two plastid and one nuclear markers. Our phylogenetic analyses indicate that Asian Zygophyllum and Sarcozygium form a clade and Sarcozygium is further embedded within the shrub subclade. An integration of phylogenetic, biogeographic, and molecular dating methods indicates that Zygophyllum successfully colonized the Asian interior from Africa in the early Oligocene, and Asian Zygophyllum became differentiated in the early Miocene and underwent a burst of diversification in the late Miocene associated with the expansion of Asian interior arid lands due to orogenetic and climatic changes. Combining diversification patterns of other important components of the Asian interior arid zone, we propose a multi-stage evolution model for this biota: the late Eocene–early Oligocene origin, the early Miocene expansion, and the middle-late Miocene rapid expansion to the whole Asian interior arid zone. This study also demonstrates that, for Zygophyllum and perhaps other arid-adapted organisms, arid biomes are evolutionary cradles of diversity. PMID:26393796

  15. Figuring Futures: Early Asian American Mixed-Race Literature

    OpenAIRE

    Poulsen, Melissa Eriko

    2015-01-01

    This dissertation examines figurations of Asian mixed race during the long period of Asian exclusion and enforced anti-miscegenation in the United States, when racial mixing was legally proscribed. During this time of U.S. expansion into Asia, and of unprecedented Asian immigration into the United States, such proscription helped maintain normative white identity while rendering the Asian American mixed-race body illegible, making cultural production one of the few sites where Asian American ...

  16. Multinationals and East Asian Integration | IDRC - International ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    ... and the United States, in the recent and rapid economic growth and integration in East Asia. ... "dragons" of East Asia have emerged among the world's leading economic powers. ... Asian outlook: New growth dependent on new productivity.

  17. Somatomedin C deficiency in Asian sisters.

    OpenAIRE

    McGraw, M E; Price, D A; Hill, D J

    1986-01-01

    Two sisters of Asian origin showed typical clinical and biochemical features of primary somatomedin C (SM-C) deficiency (Laron dwarfism). Abnormalities of SM-C binding proteins were observed, one sister lacking the high molecular weight (150 Kd) protein.

  18. The taming of the Asian Tigers

    International Nuclear Information System (INIS)

    Luckey, J.

    1998-01-01

    Equipment manufacturers with investments in Asia are feeling the pinch from the region's ongoing financial crisis. But Asian demand for power is still huge and with China opening its doors to foreign capital, the outlook is not all bad. (author)

  19. Asian American Evangelicals in Multiracial Church Ministry

    Directory of Open Access Journals (Sweden)

    Kathleen Garces-Foley

    2013-04-01

    Full Text Available Since the 1990s, evangelical efforts to create multiracial churches (MRCs have grown exponentially. This article analyzes the experiences of Asian American evangelical ministers leading MRCs. Through interviews we explore how Asian American evangelicals came to be involved in MRC-ministry and how they approach issues of racial diversity in this context. We compare the racial attitudes of Asian American evangelical ministers leading MRCs with those of White and Black evangelicals delineated in Emerson and Smith’s Divide by Faith. Rather than conform to the colorblind approach of many White evangelicals, the majority of our respondents utilize structural explanations for social inequality and promote a colorconscious approach to diversity. We conclude that Asian American evangelicals utilize a unique framework for MRC-ministry, what we call a ‘racialized multiculturalism,’ that has much to offer American evangelicalism.

  20. Infant Mortality and Asians and Pacific Islanders

    Science.gov (United States)

    ... infant mortality rates than the overall population, however statistics for Asian American subgroups are very limited for ... 1 0.4 Source: CDC 2015. Infant Mortality Statistics from the 2013 Period Linked Birth/Infant Death ...

  1. Central Asian Snow Cover from Hydrometeorological Surveys

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — The Central Asian Snow Cover from Hydrometeorological Surveys data are based on observations made by personnel for three river basins: Amu Darya, Sir Darya, and...

  2. Contextualizing Asian American College Student Psychological Health

    Science.gov (United States)

    Liang, Christopher T. H.; Liu, Jessica; Nguyen, David; Song, Ge

    2017-01-01

    With attention to race, culture, and gender, this chapter contextualizes the help-seeking behaviors and psychological aspects of health facing Asian American college students. Recommendations are provided to student affairs professionals and counselors.

  3. The rise of Asian sovereign wealth funds

    OpenAIRE

    Borst, Nicholas

    2015-01-01

    This Asia Focus provides an overview of sovereign wealth funds, evaluates the structure and activities of major funds in Asia, and compares the transparency of Asian funds relative to international best practices.

  4. Asian Perspectives on the Challenges of China

    National Research Council Canada - National Science Library

    2001-01-01

    The Institute for National Strategic Studies (INSS) held its annual Pacific symposium on Asian Perspectives on the Challenges of China" at the National Defense University in Washington on March 7 and 8, 2000...

  5. Asian & Pacific Islanders and Cardiovascular Diseases

    Science.gov (United States)

    ... Fact Sheet 2016 Update Asian & Pacific Islanders and Cardiovascular Diseases Cardiovascular Disease (CVD) (ICD 10 codes I00-I99, Q20- ... of na- tive Hawaiians or oth- A indicates cardiovascular disease plus congenital cardiovascular disease (ICD-10 I00- ...

  6. The Asian Future of Evolutionary Psychology

    Directory of Open Access Journals (Sweden)

    Geoffrey Miller

    2006-01-01

    Full Text Available Asia's population, wealth, cognitive capital, and scientific influence are growing quickly. Reasonable demographic, economic, and psychometric projections suggest that by the mid-21st century, most of the world's psychology will be done in Asia, by Asians. Even if evolutionary psychology wins the battles for academic respectability in the United States and European Union, if it ignores the rise of Asian psychology, it will fail to have any serious, long-term, global influence in the behavioral sciences after the current generations of researchers are dead. I outline a ‘marketing strategy’ for promoting evolutionary psychology in the current Asian powers (Japan, South Korea, Taiwan, Hong Kong, Singapore, the new Asian mega-powers (China, India, and other developing Asia countries (e.g. Vietnam, Thailand, Malaysia, in a way that takes advantage of Asia's relative secularism, freedom from political correctness, sex-positive social attitudes, and intellectual traditions of Hinduism, Buddhism, and Confucianism.

  7. Real Estate and the Asian Crisis

    OpenAIRE

    Quigley, John M.

    2002-01-01

    This paper suggests that activities in the real estate markets in Southeast and East Asian economies were an important contributing force to the financial crises of 1997 in the Asian economies. The analysis relies upon unpublished data reported contemporaneously by financial institutions and market watchers to document the extent of the imbalances in the real property market that were evident to informed observers at the time of the financial collapse. The analysis argues that a series of ref...

  8. Asian Consensus Report on Functional Dyspepsia

    Science.gov (United States)

    Miwa, Hiroto; Ghoshal, Uday C; Gonlachanvit, Sutep; Gwee, Kok-Ann; Ang, Tiing-Leong; Chang, Full-Young; Fock, Kwong Ming; Hongo, Michio; Hou, Xiaohua; Kachintorn, Udom; Ke, Meiyun; Lai, Kwok-Hung; Lee, Kwang Jae; Lu, Ching-Liang; Mahadeva, Sanjiv; Miura, Soichiro; Park, Hyojin; Rhee, Poong-Lyul; Sugano, Kentaro; Vilaichone, Ratha-korn; Wong, Benjamin CY

    2012-01-01

    Background/Aims Environmental factors such as food, lifestyle and prevalence of Helicobacter pylori infection are widely different in Asian countries compared to the West, and physiological functions and genetic factors of Asians may also be different from those of Westerners. Establishing an Asian consensus for functional dyspepsia is crucial in order to attract attention to such data from Asian countries, to articulate the experience and views of Asian experts, and to provide a relevant guide on management of functional dyspepsia for primary care physicians working in Asia. Methods Consensus team members were selected from Asian experts and consensus development was carried out using a modified Delphi method. Consensus teams collected published papers on functional dyspepsia especially from Asia and developed candidate consensus statements based on the generated clinical questions. At the first face-to-face meeting, each statement was reviewed and e-mail voting was done twice. At the second face-to-face meeting, final voting on each statement was done using keypad voting system. A grade of evidence and a strength of recommendation were applied to each statement according to the method of the GRADE Working Group. Results Twenty-nine consensus statements were finalized, including 7 for definition and diagnosis, 5 for epidemiology, 9 for pathophysiology and 8 for management. Algorithms for diagnosis and management of functional dyspepsia were added. Conclusions This consensus developed by Asian experts shows distinctive features of functional dyspepsia in Asia and will provide a guide to the diagnosis and management of functional dyspepsia for Asian primary care physicians. PMID:22523724

  9. Characteristics of Androgenetic Alopecia in Asian

    OpenAIRE

    Lee, Won-Soo; Lee, Hae-Jin

    2012-01-01

    Androgenetic alopecia (AGA), or pattern hair loss, is a common disorder in Asian men and women, with a reported incidence of up to 73% among general population. There are several descriptions regarding the characteristics of AGA in patients of European descent. Asian patients with AGA have different types of hair loss and family histories from Europeans, which may affect treatment response. Therefore, in this review, prevalence, hair loss patterns, familial factors, androgen receptor gene pol...

  10. Asian students excel in science testing

    Science.gov (United States)

    Showstack, Randy

    Asian countries claimed four of the five top spots in science achievement for eighth grade students, according to a December 5 report on the Third International Mathematics and Science Study - Repeat (TIMSS-R). The top five are: Chinese Taipei, Singapore, Hungary, Japan, and the Republic of Korea.In mathematics, Asian countries scored a clean sweep. The top five are: Singapore, the Republic of Korea, Chinese Taipei, Hong Kong SAR,and Japan.

  11. Asian Motility Studies in Irritable Bowel Syndrome

    OpenAIRE

    Lee, Oh Young

    2010-01-01

    Altered motility remains one of the important pathophysiologic factors in patients with irritable bowel syndrome (IBS) who commonly complain of abdominal pain and stool changes such as diarrhea and constipation. The prevalence of IBS has increased among Asian populations these days. Gastrointestinal (GI) physiology may vary between Asian and Western populations because of differences in diets, socio-cultural backgrounds, and genetic factors. The characteristics and differences of GI dysmotili...

  12. An Asian perspective on global financial reforms

    OpenAIRE

    Morgan, Peter J.; Pontines, Victor

    2013-01-01

    The purpose of this study is to better understand the likely impact on Asian economies and financial institutions of various recent global financial reforms, including Basel III capital adequacy and liquidity rules. Part one reviews the lessons of the global financial crisis (GFC) of 2007–09 and their relevance for Asian economies. Part two describes the major regulatory reforms that have been announced and possible concerns about their impacts on emerging economies. Part three reviews the ...

  13. Cardiovascular disease mortality in Asian Americans.

    Science.gov (United States)

    Jose, Powell O; Frank, Ariel T H; Kapphahn, Kristopher I; Goldstein, Benjamin A; Eggleston, Karen; Hastings, Katherine G; Cullen, Mark R; Palaniappan, Latha P

    2014-12-16

    Asian Americans are a rapidly growing racial/ethnic group in the United States. Our current understanding of Asian-American cardiovascular disease mortality patterns is distorted by the aggregation of distinct subgroups. The purpose of the study was to examine heart disease and stroke mortality rates in Asian-American subgroups to determine racial/ethnic differences in cardiovascular disease mortality within the United States. We examined heart disease and stroke mortality rates for the 6 largest Asian-American subgroups (Asian Indian, Chinese, Filipino, Japanese, Korean, and Vietnamese) from 2003 to 2010. U.S. death records were used to identify race/ethnicity and cause of death by International Classification of Diseases-10th revision coding. Using both U.S. Census data and death record data, standardized mortality ratios (SMRs), relative SMRs (rSMRs), and proportional mortality ratios were calculated for each sex and ethnic group relative to non-Hispanic whites (NHWs). In this study, 10,442,034 death records were examined. Whereas NHW men and women had the highest overall mortality rates, Asian Indian men and women and Filipino men had greater proportionate mortality burden from ischemic heart disease. The proportionate mortality burden of hypertensive heart disease and cerebrovascular disease, especially hemorrhagic stroke, was higher in every Asian-American subgroup compared with NHWs. The heterogeneity in cardiovascular disease mortality patterns among diverse Asian-American subgroups calls attention to the need for more research to help direct more specific treatment and prevention efforts, in particular with hypertension and stroke, to reduce health disparities for this growing population. Copyright © 2014 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.

  14. South Asian Canadian experiences of depression

    OpenAIRE

    Grewal, Amarjit

    2010-01-01

    This narrative research study explored the socio-cultural context surrounding depression through semi-structured interviews with six South Asian Canadian participants, who self identified as having experienced depression. The study sought to expand on the knowledge of depression and South Asian Canadians by considering the roles of the family, the community, and the culture in the experiences of depression. Thematic analysis of the participant interviews resulted in five major themes: the exp...

  15. Epidemiology of prostate cancer in Asian countries.

    Science.gov (United States)

    Kimura, Takahiro; Egawa, Shin

    2018-06-01

    The incidence of prostate cancer has been increasing worldwide in recent years. The GLOBOCAN project showed that prostate cancer was the second most frequently diagnosed cancer and the fifth leading cause of cancer mortality among men worldwide in 2012. This trend has been growing even in Asian countries, where the incidence had previously been low. However, the accuracy of data about incidence and mortality as a result of prostate cancer in some Asian countries is limited. The cause of this increasing trend is multifactorial. One possible explanation is changes in lifestyles due to more Westernized diets. The incidence is also statistically biased by the wide implementation of early detection systems and the accuracy of national cancer registration systems, which are still immature in most Asian countries. Mortality rate decreases in Australia, New Zealand and Japan since the 1990s are possibly due to the improvements in treatment and/or early detection efforts employed. However, this rate is increasing in the majority of other Asian countries. Studies of latent and incidental prostate cancer provide less biased information. The prevalence of latent and incidental prostate cancer in contemporary Japan and Korea is similar to those in Western countries, suggesting the influence of lifestyle changes on carcinogenesis. Many studies reported evidence of both congenital and acquired risk factors for carcinogenesis of prostate cancer. Recent changes in the acquired risk factors might be associated with the increasing occurrence of prostate cancer in Asian countries. This trend could continue, especially in developing Asian countries. © 2018 The Japanese Urological Association.

  16. Asian motility studies in irritable bowel syndrome.

    Science.gov (United States)

    Lee, Oh Young

    2010-04-01

    Altered motility remains one of the important pathophysiologic factors in patients with irritable bowel syndrome (IBS) who commonly complain of abdominal pain and stool changes such as diarrhea and constipation. The prevalence of IBS has increased among Asian populations these days. Gastrointestinal (GI) physiology may vary between Asian and Western populations because of differences in diets, socio-cultural backgrounds, and genetic factors. The characteristics and differences of GI dysmotility in Asian IBS patients were reviewed. MEDLINE search work was performed including following terms, 'IBS,' 'motility,' 'transit time,' 'esophageal motility,' 'gastric motility,' 'small intestinal motility,' 'colonic motility,' 'anorectal function,' and 'gallbladder motility' and over 100 articles were categorized under 'esophagus,' 'stomach,' 'small intestine,' 'colon,' 'anorectum,' 'gallbladder,' 'transit,' 'motor pattern,' and 'effect of stressors.' Delayed gastric emptying, slow tansit in constipation predominant IBS patients, rapid transit in diarrhea predominant IBS patients, accelerated motility responses to various stressors such as meals, mental stress, or corticotrophin releasing hormones, and altered rectal compliance and altered rectal accomodation were reported in many Asian studies regarding IBS. Many conflicting results were found among these studies and there are still controversies to conclude these as unique features of Asian IBS patients. Multinational and multicenter studies are needed to be performed vigorously in order to elaborate characteristics as well as differences of altered motililty in Asian patients with IBS.

  17. Explaining Asian Americans’ academic advantage over whites

    Science.gov (United States)

    Hsin, Amy; Xie, Yu

    2014-01-01

    The superior academic achievement of Asian Americans is a well-documented phenomenon that lacks a widely accepted explanation. Asian Americans’ advantage in this respect has been attributed to three groups of factors: (i) socio-demographic characteristics, (ii) cognitive ability, and (iii) academic effort as measured by characteristics such as attentiveness and work ethic. We combine data from two nationally representative cohort longitudinal surveys to compare Asian-American and white students in their educational trajectories from kindergarten through high school. We find that the Asian-American educational advantage is attributable mainly to Asian students exerting greater academic effort and not to advantages in tested cognitive abilities or socio-demographics. We test explanations for the Asian–white gap in academic effort and find that the gap can be further attributed to (i) cultural differences in beliefs regarding the connection between effort and achievement and (ii) immigration status. Finally, we highlight the potential psychological and social costs associated with Asian-American achievement success. PMID:24799702

  18. Sea level trends in Southeast Asian seas

    Science.gov (United States)

    Strassburg, M. W.; Hamlington, B. D.; Leben, R. R.; Manurung, P.; Lumban Gaol, J.; Nababan, B.; Vignudelli, S.; Kim, K.-Y.

    2015-05-01

    Southeast Asian seas span the largest archipelago in the global ocean and provide a complex oceanic pathway connecting the Pacific and Indian oceans. The Southeast Asian sea regional sea level trends are some of the highest observed in the modern satellite altimeter record that now spans almost 2 decades. Initial comparisons of global sea level reconstructions find that 17-year sea level trends over the past 60 years exhibit good agreement with decadal variability associated with the Pacific Decadal Oscillation and related fluctuations of trade winds in the region. The Southeast Asian sea region exhibits sea level trends that vary dramatically over the studied time period. This historical variation suggests that the strong regional sea level trends observed during the modern satellite altimeter record will abate as trade winds fluctuate on decadal and longer timescales. Furthermore, after removing the contribution of the Pacific Decadal Oscillation (PDO) to sea level trends in the past 20 years, the rate of sea level rise is greatly reduced in the Southeast Asian sea region. As a result of the influence of the PDO, the Southeast Asian sea regional sea level trends during the 2010s and 2020s are likely to be less than the global mean sea level (GMSL) trend if the observed oscillations in wind forcing and sea level persist. Nevertheless, long-term sea level trends in the Southeast Asian seas will continue to be affected by GMSL rise occurring now and in the future.

  19. IAU South West Asian ROAD

    Science.gov (United States)

    Mickaelian, Areg; Azatyan, Naira; Farmanyan, Sona; Mikayelyan, Gor

    2016-10-01

    Armenia is hosting the IAU South West Asian (SWA) Regional Office of Astronomy for Development (ROAD). It is a county of ancient astronomy and is also rich in modern astronomical facilities and infrastructures, hence may successfully serve as a regional center for various activities. Byurakan Astrophysical Observatory (BAO) has 2.6m and 1m Schmidt, as well as a number of smaller telescopes that are an observational basis for joint projects and collaborations. Armenian Virtual Observatory (ArVO) is hosting astronomical databases, such as the Digitized First Byurakan Survey (DFBS) and may also serve as a basis for development of VO structures in this region. Recently we have conducted a number of new activities; a meeting on ``Relation of Astronomy to other Sciences, Culture and Society" (RASCS) was organized by BAO and Armenian Astronomical Society (ArAS) in Oct 2014 in Byurakan. Activities related to Archaeoastronomy and Astronomy in Culture (AAC) were initiated as well. Discussions on future Armenian-Iranian collaboration in astronomy were carried out, including an Armenian-Iranian Astronomical Workshop held in Oct 2015 in Byurakan. Similar workshops have been carried out between BAO and Abastumani Astronomical Observatory (AbAO, Georgia) since 1974.

  20. Radioresistance in Central Asian tortoise

    Energy Technology Data Exchange (ETDEWEB)

    Turdyev, A.A.; Bogdanova-Berezovskaya, I.G.; Dvornikova, L.I.

    Season-related studies were conducted on the phenomenal radioresistance of the Central Asian tortoise (Testudo horsfieldii), in order to obtain greater understanding of the factors that determine this physiological uniqueness. Test animals were exposed to gamma radiation from a Co-60 source with dosages ranging from 12.9 to 25.8 Cl/kg in the spring, summer, fall, and winter. Using Pearson's ..gamma..-distribution coefficient calculations of the mean lethal dose for the season yielded 16.33 Cl/kg for winter, 10.94 Cl/kg for spring, 7.1 Cl/kg for summer, and 19.71 Cl/kg for fall. The animals were thus seen to be most susceptible to radiation damage in the spring and summer. Correlation with histological and hematological studies showed that animals irradiated in spring and summer succumbed as a result of damage to the GI and the hematopoietic systems, whereas animals that died as a result of irradiation during the fall and winter season did so because of depletion of hepatic glycogen stores. 5 references, 1 figure.

  1. Priorities and approaches to investigating Asian youth health: perspectives of young Asian New Zealanders.

    Science.gov (United States)

    Wong, Agnes; Peiris-John, Roshini; Sobrun-Maharaj, Amritha; Ameratunga, Shanthi

    2015-12-01

    The proportion of young people in New Zealand identifying with Asian ethnicities has increased considerably. Despite some prevalent health concerns, Asian youth are less likely than non-Asian peers to seek help. As preparatory research towards a more nuanced approach to service delivery and public policy, this qualitative study aimed to identify young Asian New Zealanders' perspectives on best approaches to investigate health issues of priority concern to them. Three semi-structured focus group discussions were conducted with 15 Asian youth leaders aged 18-24 years. Using an inductive approach for thematic analysis, key themes were identified and analysed. Study participants considered ethno-cultural identity, racism and challenges in integration to play significant roles influencing the health of Asian youth (especially mental health) and their access to health services. While emphasising the importance of engaging young Asians in research and service development so that their needs and aspirations are met, participants also highlighted the need for approaches that are cognisant of the cultural, contextual and intergenerational dimensions of issues involved in promoting youth participation. Research that engages Asian youth as key agents using methods that are sensitive to their cultural and sociological contexts can inform more responsive health services and public policy. This is of particular relevance in primary health care where culturally competent services can mitigate risks of unmet health needs and social isolation.

  2. Asian Students' Voices: An Empirical Study of Asian Students' Learning Experiences at a New Zealand University

    Science.gov (United States)

    Campbell, Jacqui; Li, Mingsheng

    2008-01-01

    More than 85% of the international students in New Zealand are Asian in origin. The level of satisfaction of Asian international students with their learning experiences in New Zealand has been of enormous concern for the New Zealand export education industry. The results of this current research, based on a qualitative research study conducted at…

  3. Invisible Asian Americans: The Intersection of Sexuality, Race, and Education among Gay Asian Americans

    Science.gov (United States)

    Ocampo, Anthony C.; Soodjinda, Daniel

    2016-01-01

    Most research on Asian American education has centered on addressing and deconstructing the model minority stereotype. While recent studies have highlighted the socioeconomic and cultural heterogeneity among Asian American students, few have examined how sexual identity and masculinity mitigate their academic experiences. In this article, we draw…

  4. Red blood cell antigen genotype analysis for 9087 Asian, Asian American, and Native American blood donors.

    Science.gov (United States)

    Delaney, Meghan; Harris, Samantha; Haile, Askale; Johnsen, Jill; Teramura, Gayle; Nelson, Karen

    2015-10-01

    There has yet to be a comprehensive analysis of blood group antigen prevalence in Asian Americans and Native Americans. There may be ethnic differences in blood group frequencies that would result in clinically important mismatches through transfusion. Blood donors who self-identified as Asian or Native American were tested using a single-nucleotide polymorphism (SNP) DNA array (HEA BeadChip kit, Bioarray Solutions Ltd) that predicts expression of 38 human erythrocyte antigens (HEAs) and by serology for ABO, D, C, M, N, Jk(a) , and Jk(b) . The prevalence of blood group antigens was compared to published European prevalence. Discrepancies between SNP-predicted and serology-detected antigens were tallied. A total of 9087 blood donors were tested from nine Asian and Native American heritages. The predicted prevalence of selected antigens in the RHCE, JK, FY, MNS, LU, CO, and DO blood group systems were variable between Asian populations, but overall not significantly different than Europeans. Compared to European frequencies, Kell blood group allele frequencies were significantly different in the Chinese, Native American, Hawaiian/Pacific Islander, South Asian, and Southeast Asian heritage blood donors; Diego antigens Di(a) and Di(b) were different in donors of Native American and South Asian ancestries (p Asian and Native Americans donors. Several ethnic groups exhibited differences in HEA frequencies compared to Europeans. Genotype-serotype discrepancies were detected in all systems studied. © 2015 AABB.

  5. Negotiating Intra-Asian Games Networks: On Cultural Proximity, East Asian Games Design, and Chinese Farmers

    Directory of Open Access Journals (Sweden)

    Dean Chan

    2006-01-01

    Full Text Available A key feature of networked games in East Asia is the relationship between the adaptation of regional Asian aesthetic and narrative forms in game content, and the parallel growth in more regionally-focused marketing and distribution initiatives. This essay offers a contextual analysis of intra-Asian games networks, with reference to the production, marketing and circulation of Asian MMORPGs. My discussion locates these networks as part of broader discourses on regionalism, East Asian cultural production and Asian modernity. At the same time, I consider how these networks highlight structural asymmetry and uneven power relations within the region; and I examine the emergent use of gamer-workers known as Chinese farmers in the digital game-items trade.

  6. Hydrogen Programs of Asian Countries

    International Nuclear Information System (INIS)

    Ken-ichiro OTA

    2006-01-01

    The global sustainability is a key word of the future energy system for human beings. It should be friendly to the earth and also to human beings. Considering the limit of resources, the materials recycling would be very important. Considering the second law of thermodynamics, the entropy production through any processes would be the final problems for the sustainable growth. We have to think how to dispose the increasing entropy outside earth in the clean energy system. At present, the global carbon cycle is changing by the emission of CO 2 with the large consumption of fossil fuels. The global environment including human society should stand on harmonizing with the earth, where the global recycles of materials are important. Thinking about the global recycles of carbon and water quantitatively, the existence of water is 27,000 times larger than that of carbon. The transportation of water is 3,160 times faster than that of carbon. These figures show that the hydrogen from water is a superior energy carrier, compared to the carbon. The environmental impact factor was defined as the ratio of annual quantity of materials produced by energy consumption of mankind to a natural movement on earth. The influence of human activities on the global environment can be evaluated quantitatively by this environmental impact factor. The environmental impact factor of water on the earth, 0.0001, is more than two orders of magnitude less than that of carbon, 0.036. This means the hydrogen/water cycle is superior to the carbon cycle as material circulation for energy system of mankind. The energy consumption will increase tremendously in Asian countries due to their population increase and economic growth. We need a clean energy system for the sustainable growth. The hydrogen energy system is the most suitable energy system. In this paper the recent hydrogen energy programs of Japan, China and Korea will be introduced. (authors)

  7. Hydrogen Programs of Asian Countries

    International Nuclear Information System (INIS)

    Ken-ichiro Ota

    2006-01-01

    The global sustainability is a key word of the future energy system for human beings. It should be friendly to the earth and also to human beings. Considering the limit of resources, the materials recycling would be very important. Considering the second law of thermodynamics, the entropy production through any processes would be the final problems for the sustainable growth. We have to think how to dispose the increasing entropy outside earth in the clean energy system. At present, the global carbon cycle is changing by the emission of CO 2 with the large consumption of fossil fuels. The global environment including human society should stand on harmonizing with the earth, where the global recycles of materials are important. Thinking about the global recycles of carbon and water quantitatively, the existence of water is 27,000 times larger than that of carbon. The transportation of water is 3,160 times faster than that of carbon. These figures show that the hydrogen from water is a superior energy carrier, compared to the carbon. The environmental impact factor was defined as the ratio of annual quantity of materials produced by energy consumption of mankind to a natural movement on earth. The influence of human activities on the global environment can be evaluated quantitatively by this environmental impact factor. The environmental impact factor of water on the earth, 0.0001, is more than two orders of magnitude less than that of carbon, 0.036. This means the hydrogen/water cycle is superior to the carbon cycle as material circulation for energy system of mankind. The energy consumption will increase tremendously in Asian countries due to their population increase and economic growth. We need a clean energy system for the sustainable growth. The hydrogen energy system is the most suitable energy system. In this paper the recent hydrogen energy programs of Japan, China and Korea will be introduced. (author)

  8. Hepatitis B ESL education for Asian immigrants.

    Science.gov (United States)

    Taylor, Vicky M; Gregory Hislop, T; Bajdik, Christopher; Teh, Chong; Lam, Wendy; Acorda, Elizabeth; Li, Lin; Yasui, Yutaka

    2011-02-01

    Asian communities in North America include large numbers of immigrants with limited English proficiency. Hepatitis B virus (HBV) infection is endemic in most Asian countries and, therefore, Asian immigrant groups have high rates of chronic HBV infection. We conducted a group-randomized trial to evaluate the effectiveness of a hepatitis B English as a second language (ESL) educational curriculum for Asian immigrants. Eighty ESL classes were randomized to experimental (hepatitis B education) or control (physical activity education) status. Students who reported they had not received a HBV test (at baseline) completed a follow-up survey 6 months after randomization. The follow-up survey assessed recent HBV testing and HBV-related knowledge. Provider reports were used to verify self-reported HBV tests. The study group included 218 students who reported they had not been tested for HBV. Follow-up surveys were completed by 180 (83%) of these students. Provider records verified HBV testing for 6% of the experimental group students and 0% of the control group students (P = 0.02). Experimental group students were significantly (P ESL curriculum had a meaningful impact on HBV-related knowledge and a limited impact on HBV testing levels. Future research should evaluate the effectiveness of ESL curricula for other immigrant groups and other health topics, as well as other intervention approaches to increasing levels of HBV testing in Asian immigrant communities.

  9. Sexuality and human rights: an Asian perspective.

    Science.gov (United States)

    Laurent, Erick

    2005-01-01

    In Asia, the lesbian and gay rights movements are clearly dominated by activists, who tend to think in terms of a binary opposition (homo- vs hetero-) and clear-cut categories. Based on "Western patterns," the approach is practical, the arguments based on minority rights. "Coming out" is often perceived as a "white model" bringing more problems than real freedom. On the contrary, "Asian values" put the emphasis on family and social harmony, often in contradiction to what is pictured as "lesbian and gay rights." Homophobia follows very subtle ways in Asian countries. Asian gays have to negotiate their freedom, lifestyle and identities in an atmosphere of heterosexism, and not the endemic violent homophobia prevalent in many western countries. In Asia, one's identity relates to one's position in the group and sexuality plays a relatively insignificant role in its cultural construction. That Asian gays often marry and have children shows the elasticity their sexual identity encompasses. Fluidity of sexuality does not really match the Western approach in terms of essentialist categories that have a right to exist. Most Asian societies can be thought of as "tolerant" as long as homosexuality remains invisible. Procreative sexuality can be seen as a social duty, and heterosexual marriage is often not considered incompatible with a "homosexual life." The development of the Internet has even facilitated the encounters while allowing secrecy. Unfortunately, the traditional figures of transgender and transvestites have often been separated from the gay liberation movement.

  10. Asian educational discourse: construction of ontological security

    Directory of Open Access Journals (Sweden)

    Natalya V. Khalina

    2018-03-01

    Full Text Available This article considers the problem of ontology security through Asian educational discourse, which is structurally determined by the process of moral self-improvement. Considered are trends in improving the management of educational system by developing the culture of quality, which is considered as the next stage of the Asian education systems development after the “quality of education” stage. We suggest an approach for assessing the vitality of educational process and its product based on monitoring trainees’ aptitudes system and school capabilities in developing and maintaining this system. In this study we refer to the concept of vitality and viability when describing the general theory of viability in connection with the core principles of Asian educational discourse. We outline main trends in the development of modern educational system in Asian university given the process of globalization and its impact on educational reforms in the Asia-Pacific region. Thus, the category of education quality in Asian system of higher education and narrative monitoring of Chinese students’ cognitive structures viability at Altai State University are introduced.

  11. The clinical application of linagliptin in Asians

    Directory of Open Access Journals (Sweden)

    Cao CQ

    2015-09-01

    Full Text Available Chu-qing Cao, Yu-fei Xiang, Zhi-guang Zhou Key Laboratory of Diabetes Immunology, Ministry of Education, National Clinical Research Center for Metabolic Diseases, Institute of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, People’s Republic of China Abstract: Asia has a growing diabetic population. Linagliptin, a member of dipeptidyl peptidase-4 inhibitor class, is unique in its nonlinear pharmacokinetics with the characteristics of rapid attainment of steady state, little accumulation, predominantly nonrenal route of elimination, prolonged terminal half-life, and sustained inhibition of dipeptidyl peptidase-4 enzyme. No clinically relevant difference in pharmacokinetics was observed between Asians and non-Asians. The management of type 2 diabetes is increasingly challenging with the progression of disease, especially with the requirements of minimal hypoglycemia, weight gain, fluid retention, and other adverse effects. Linagliptin was efficacious and well-tolerated in Asian type 2 diabetes patients with or without renal or hepatic dysfunctions, comparable to that in Caucasians. This review will focus on the usage of linagliptin in clinical studies in Asians. Keywords: linagliptin, Asians, type 2 diabetes

  12. Availability and quality of anti-malarials among private sector outlets in Myanmar in 2012: results from a large, community-based, cross-sectional survey before a large-scale intervention.

    Science.gov (United States)

    Khin, Hnin Su Su; Chen, Ingrid; White, Chris; Sudhinaraset, May; McFarland, Willi; Littrell, Megan; Montagu, Dominic; Aung, Tin

    2015-07-14

    Global malaria control efforts are threatened by the spread and emergence of artemisinin-resistant Plasmodium falciparum parasites. In 2012, the widespread sale of partial courses of artemisinin-based monotherapy was suspected to take place in the highly accessed, weakly regulated private sector in Myanmar, posing potentially major threats to drug resistance. This study investigated the presence of artemisinin-based monotherapies in the Myanmar private sector, particularly as partial courses of therapy, to inform the targeting of future interventions to stop artemisinin resistance. A large cross-sectional survey comprised of a screening questionnaire was conducted across 26 townships in Myanmar between March and May, 2012. For outlets that stocked anti-malarials at the time of survey, a stock audit was conducted, and for outlets that stocked anti-malarials within 3 months of the survey, a provider survey was conducted. A total of 3,658 outlets were screened, 83% were retailers (pharmacies, itinerant drug vendors and general retailers) and 17% were healthcare providers (private facilities and health workers). Of the 3,658 outlets screened, 1,359 outlets (32%) stocked at least one anti-malarial at the time of study. Oral artemisinin-based monotherapy comprised of 33% of self-reported anti-malarials dispensing volumes found. The vast majority of artemisinin-based monotherapy was sold by retailers, where 63% confirmed that they sold partial courses of therapy by cutting blister packets. Very few retailers (5%) had malaria rapid diagnostic tests available, and quality-assured artemisinin-based combination therapy was virtually nonexistent among retailers. Informal private pharmacies, itinerant drug vendors and general retailers should be targeted for interventions to improve malaria treatment practices in Myanmar, particularly those that threaten the emergence and spread of artemisinin resistance.

  13. Involving South Asian patients in clinical trials.

    Science.gov (United States)

    Hussain-Gambles, M; Leese, B; Atkin, K; Brown, J; Mason, S; Tovey, P

    2004-10-01

    To investigate how South Asian patients conceptualise the notion of clinical trials and to identify key processes that impact on trial participation and the extent to which communication difficulties, perceptions of risk and attitudes to authority influence these decisions. Also to identify whether 'South Asian' patients are homogeneous in these issues, and which factors differ between different South Asian subgroups and finally how professionals regard the involvement of South Asian patients and their views on strategies to increase participation. A review of the literature on minority ethnic participation in clinical trials was followed by three qualitative interview studies. Interviews were taped and transcribed (and translated if required) and subjected to framework analysis. Face-to-face interviews were conducted with 25 health professionals; 60 South Asian lay people who had not taken part in a trial and 15 South Asian trial participants. Motivations for trial participation were identified as follows: to help society, to improve own health or that of family and friends, out of obligation to the doctor and to increase scientific knowledge. Deterrents were concerns about drug side-effects, busy lifestyles, language, previous bad experiences, mistrust and feelings of not belonging to British society. There was no evidence of antipathy amongst South Asians to the concept of clinical trials and, overall, the younger respondents were more knowledgeable than the older ones. Problems are more likely to be associated with service delivery. Lack of being approached was a common response. Lay-reported factors that might affect South Asian participation in clinical trials include age, language, social class, feeling of not belonging/mistrust, culture and religion. Awareness of clinical trials varied between each group. There are more similarities than differences in attitudes towards clinical trial participation between the South Asian and the general population

  14. Translating 'Asian' Modes of Healing and Biomedicine.

    Science.gov (United States)

    Sleeboom-Faulkner, Margaret

    2015-01-01

    This review article discusses the 'translation of Asian modes of healing and medicine' in six recently published books by raising seven questions. They serve both to review the volumes and to ask how we have moved from understanding systems of healing in terms of tradition and modernity, science and nonscience, globalization and locality, innovation and cultural heritage, to translating them in terms of assemblages, products, modes of resistance, social (dis-)harmony, and ecological balance. The questions span subjects ranging from the meaning of 'Asian' in Asian modes of healing, the object of healing and classifications of systems of healing to their relation with 'biomedicine,' modernization and the state, the extents to which communities share healing tradition, and their existential meaning in context.

  15. Stomach cancer incidence rates among Americans, Asian Americans and Native Asians from 1988 to 2011

    Directory of Open Access Journals (Sweden)

    Yeerae Kim

    2015-02-01

    Full Text Available Stomach cancer is the second most common cancer in Eastern Asia, accounting for approximately 50% of all new cases of stomach cancer worldwide. Our objective was to compare the stomach cancer incidence rates of Asian Americans in Los Angeles with those of native Asians to assess the etiology of stomach cancer from 1988 to 2011. To examine these differences, Asian Americans (Korean, Japanese, Chinese, and Filipino Americans living in Los Angeles, California, USA and native Asians (from Korea, Japan, China, and the Philippines were selected for this study. Using the Cancer Incidence in Five Continents database, stomach cancer incidence rates were examined. Data from the National Cancer Registry of Korea were used for native Koreans. Between native countries, the incidence rates in Japan, China, the Philippines, and the US declined over time, but the incidence in Korea has remained constant. The incidences among Asian immigrants were lower than those among native Asians. The incidence rates of males were approximately 2 times higher than those among females in Asian countries were. The effect of immigration on stomach cancer incidence suggests that lifestyle factors are a significant determinant of stomach cancer risk. However, the incidence in Korea remains the highest of these countries

  16. Spectrum of breast cancer in Asian women.

    Science.gov (United States)

    Agarwal, Gaurav; Pradeep, P V; Aggarwal, Vivek; Yip, Cheng-Har; Cheung, Polly S Y

    2007-05-01

    Breast cancer is the leading cause of cancer-related deaths in Asia, and in recent years is emerging as the commonest female malignancy in the developing Asian countries, overtaking cancer of the uterine cervix. There have been no studies objectively comparing data and facts relating to breast cancer in the developed, newly developed, and developing Asian countries thus far. This multi-national collaborative study retrospectively compared the demographic, clinical, pathological and outcomes data in breast cancer patients managed at participating breast cancer centers in India, Malaysia and Hong Kong. Data, including those on the availability of breast screening, treatment facilities and outcomes from other major cancer centers and cancer registries of these countries and from other Asian countries were also reviewed. Despite an increasing trend, the incidence of breast cancer is lower, yet the cause-specific mortality is significantly higher in developing Asian countries compared with developed countries in Asia and the rest of the world. Patients are about one decade younger in developing countries than their counterparts in developed nations. The proportions of young patients (women and the clinical picture are different from those of average patients managed elsewhere in the world. Owing to lack of awareness, lack of funding, lack of infrastructure, and low priority in public health schemes, breast cancer screening and early detection have not caught up in these under-privileged societies. The inadequacies of health care infrastructures and standards, sociocultural barriers, economic realities, illiteracy, and the differences in the clinical and pathological attributes of this disease in Asian women compared with the rest of the world together result in a different spectrum of the disease. Better socioeconomic conditions, health awareness, and availability of breast cancer screening in developed Asian countries seem to be the major causes of a favorable clinical

  17. Close relationships between Asian American and European American college students.

    Science.gov (United States)

    Chen, C; Edwards, K; Young, B; Greenberger, E

    2001-02-01

    The authors examined attitudes and behaviors regarding close relationships between European and Asian Americans, with a particular emphasis on 5 major subgroups of Asian Americans (Chinese, Japanese, Korean, Vietnamese, and Filipino Americans). Participants were 218 Asian American college students and 171 European American college students attending a culturally diverse university. The European Americans did not differentiate among the various subgroups of Asian Americans. Their attitudes regarding close relationships were less positive toward Asian Americans than toward Mexican and African Americans, a finding contrary to the prediction of social exchange theory (H. Tajfel, 1975). In contrast to the European Americans' view of homogeneity among Asian Americans, the 5 major subgroups of Asian Americans expressed a distinctive hierarchy of social preference among themselves. Results are discussed in terms of their implications for future research on interethnic relations involving Asian Americans.

  18. Asian American Student Engagement in Student Leadership and Activism

    Science.gov (United States)

    Manzano, Lester J.; Poon, OiYan A.; Na, Vanessa S.

    2017-01-01

    Conceptual models for understanding the ways in which Asian American students engage in leadership and activism are interrogated. The chapter provides a discussion of implications for student affairs professionals working with Asian American student leaders and activists.

  19. The challenge to avoid anti-malarial medicine stock-outs in an era of funding partners: the case of Tanzania.

    Science.gov (United States)

    Mikkelsen-Lopez, Inez; Shango, Winna; Barrington, Jim; Ziegler, Rene; Smith, Tom; deSavigny, Don

    2014-05-11

    Between 2007 and 2013, the Tanzanian public sector received 93.1 million doses of first-line anti-malarial artemisinin-based combination therapy (ACT) in the form of artemether-lumefantrine entirely supplied by funding partners. The introduction of a health facility ACT stock monitoring system using SMS technology by the National Malaria Control Programme in mid 2011 revealed a high frequency of stock-outs of ACT in primary care public health facilities. The objective of this study was to determine the pattern of availability of ACT and possible causes of observed stock-outs across public health facilities in Tanzania since mid-2011. Data were collected weekly by the mobile phone reporting tool SMS for Life on ACT availability from over 5,000 public health facilities in Tanzania starting from September 2011 to December 2012. Stock data for all four age-dose levels of ACT across health facilities were summarized and supply of ACT at the national level was also documented. Over the period of 15 months, on average 29% of health facilities in Tanzania were completely stocked out of all four-age dose levels of the first-line anti-malarial with a median duration of total stock-out of six weeks. Patterns of total stock-out by region ranged from a low of 9% to a high of 52%. The ACT stock-outs were most likely caused by: a) insufficient ACT supplies entering Tanzania (e.g. in 2012 Tanzania received 10.9 million ACT doses compared with a forecast demand of 14.4 million doses); and b) irregular pattern of ACT supply (several months with no ACT stock). The reduced ACT availability and irregular pattern of supply were due to cumbersome bureaucratic processes and delays both within the country and from the main donor, the Global Fund to Fight AIDS, Tuberculosis and Malaria. Tanzania should invest in strengthening both the supply system and the health information system using mHealth solutions such as SMS for Life. This will continue to assist in tracking ACT availability across

  20. Plasmodium falciparum resistance to anti-malarial drugs in Papua New Guinea: evaluation of a community-based approach for the molecular monitoring of resistance

    Directory of Open Access Journals (Sweden)

    Reeder John C

    2010-01-01

    Full Text Available Abstract Background Molecular monitoring of parasite resistance has become an important complementary tool in establishing rational anti-malarial drug policies. Community surveys provide a representative sample of the parasite population and can be carried out more rapidly than accrual of samples from clinical cases, but it is not known whether the frequencies of genetic resistance markers in clinical cases differ from those in the overall population, or whether such community surveys can provide good predictions of treatment failure rates. Methods Between 2003 and 2005, in vivo drug efficacy of amodiaquine or chloroquine plus sulphadoxine-pyrimethamine was determined at three sites in Papua New Guinea. The genetic drug resistance profile (i.e., 33 single nucleotide polymorphisms in Plasmodium falciparum crt, mdr1, dhfr, dhps, and ATPase6 was concurrently assessed in 639 community samples collected in the catchment areas of the respective health facilities by using a DNA microarray-based method. Mutant allele and haplotype frequencies were determined and their relationship with treatment failure rates at each site in each year was investigated. Results PCR-corrected in vivo treatment failure rates were between 12% and 28% and varied by site and year with variable longitudinal trends. In the community samples, the frequencies of mutations in pfcrt and pfmdr1 were high and did not show significant changes over time. Mutant allele frequencies in pfdhfr were moderate and those in pfdhps were low. No mutations were detected in pfATPase6. There was much more variation between sites than temporal, within-site, variation in allele and haplotype frequencies. This variation did not correlate well with treatment failure rates. Allele and haplotype frequencies were very similar in clinical and community samples from the same site. Conclusions The relationship between parasite genetics and in vivo treatment failure rate is not straightforward. The

  1. Institutions for Asian Integration : Innovation and Reform

    OpenAIRE

    Giovanni Capannelli; See Seng Tan

    2012-01-01

    The formation of regional production networks in East Asia has occurred mainly through market forces, without much help from regional institutions in promoting the creation of a single Asian market. While this approach has served the region well in the past, the drastic changes experienced since the 2008–2009 financial crisis and the challenges Asian countries are facing—growing inequalities and competition, on the one hand, and enhanced threats to the environment and people’s health on...

  2. Southeast Asian oil markets and refining

    Energy Technology Data Exchange (ETDEWEB)

    Yamaguchi, N.D. [FACTS, Inc., Honolulu, Hawaii (United States)

    1999-09-01

    An overview of the Southeast Asian oil markets and refining is presented concentrating on Brunei, Malaysia, the Philippines, Singapore and Thailand refiners. Key statistics of the refiners in this region are tabulated. The demand and the quality of Indonesian, Malaysian, Philippine, Singapore and Thai petroleum products are analysed. Crude distillation unit capacity trends in the Southeastern Asian refining industry are discussed along with cracking to distillation ratios, refining in these countries, and the impact of changes in demand and refining on the product trade.

  3. Asian collaboration on nuclear reaction data compilation

    International Nuclear Information System (INIS)

    Aikawa, Masayuki; Furutachi, Naoya; Kato, Kiyoshi; Makinaga, Ayano; Devi, Vidya; Ichinkhorloo, Dagvadorj; Odsuren, Myagmarjav; Tsubakihara, Kohsuke; Katayama, Toshiyuki; Otuka, Naohiko

    2013-01-01

    Nuclear reaction data are essential for research and development in nuclear engineering, radiation therapy, nuclear physics and astrophysics. Experimental data must be compiled in a database and be accessible to nuclear data users. One of the nuclear reaction databases is the EXFOR database maintained by the International Network of Nuclear Reaction Data Centres (NRDC) under the auspices of the International Atomic Energy Agency. Recently, collaboration among the Asian NRDC members is being further developed under the support of the Asia-Africa Science Platform Program of the Japan Society for the Promotion of Science. We report the activity for three years to develop the Asian collaboration on nuclear reaction data compilation. (author)

  4. Southeast Asian oil markets and refining

    International Nuclear Information System (INIS)

    Yamaguchi, N.D.

    1999-01-01

    An overview of the Southeast Asian oil markets and refining is presented concentrating on Brunei, Malaysia, the Philippines, Singapore and Thailand refiners. Key statistics of the refiners in this region are tabulated. The demand and the quality of Indonesian, Malaysian, Philippine, Singapore and Thai petroleum products are analysed. Crude distillation unit capacity trends in the Southeastern Asian refining industry are discussed along with cracking to distillation ratios, refining in these countries, and the impact of changes in demand and refining on the product trade

  5. GROWTH AFTER THE ASIAN CRISIS: WHAT REMAINS OF THE EAST ASIAN MODEL?

    OpenAIRE

    JOMO K.S.

    2001-01-01

    This paper focuses on the prospects for sustained development in the four East Asian economies most adversely affected by the crises of 1997/98. These include all three second-tier South-East Asian newly industrializing countries (NICs) – Indonesia, Malaysia and Thailand – as well as the Republic of Korea, the most adversely affected of the first-generation newly industrialized economies (NIEs). The first section critically examines the East Asian model presented by the World Bank’s “East Asi...

  6. Is Pan-Asian Economic Integration Moving Forward?: Evidence from Pan-Asian Trade Statistics

    OpenAIRE

    Sapkota, Jeet Bahadur; Shuto, Motoko

    2016-01-01

    Asia is growing economically faster than any other region in the world; this led to the shift of the center of gravity of the global economy from the West to the East. However, it is not clear whether the Asian economy is integrating regionally or globally. In the context of the growing efforts of regional or sub-regional pan-Asian integration, it is worthwhile to explore the pan-Asian trade flows regionally as well as globally. Thus, this paper examines the trend and determinants of economic...

  7. Glocal routes in British Asian drama: Between adaptation and tradaptation

    OpenAIRE

    Buonanno, Giovanna; Sams, Victoria; Schlote, Christiane

    2011-01-01

    In the context of British Asian theatre and the search for a diasporic theatre aesthetics the practice of adaptation has emerged as a recurring feature. Over the last decades, British Asian theatre has sought to create a language of the theatre that can reflect the cultural heritage of Asians in Britain; this search has taken different directions testified also by the plurality of voices that today make up British Asian theatre and has responded to the need to challenge the conceptual binary ...

  8. Cyborg Dreams in Asian American Transnationality: Transgression, Myth, Simulation, Coalition

    OpenAIRE

    Song, Mary

    2012-01-01

    By deploying a cyberculture theory of cyborg politics in my literary analyses of Asian American literature, I deconstruct Asian American subjectivity through the trope of transnationality. In the Asian American transnational, I locate four prominent traits of Donna Haraway's socialist feminist cyborg: boundary transgression, the recognition and re-scripting of myth, simulations of identity, and coalitions of affinity. By adopting the language of cyberculture, I envision Asian American literat...

  9. Close relationships between asian american and european american college students

    OpenAIRE

    Chen, C; Edwards, K; Young, B; Greenberger, E

    2001-01-01

    The authors examined attitudes and behaviors regarding close relationships between European and Asian Americans, with a particular emphasis on 5 major subgroups of Asian Americans (Chinese, Japanese, Korean, Vietnamese, and Filipino Americans). Participants were 218 Asian American college students and 171 European American college students attending a culturally diverse university. The European Americans did not differentiate among the various subgroups of Asian Americans. Their attitudes reg...

  10. English language proficiency and smoking prevalence among California's Asian Americans.

    Science.gov (United States)

    Tang, Hao; Shimizu, Robin; Chen, Moon S

    2005-12-15

    The authors documented California's tobacco control initiatives for Asian Americans and the current tobacco use status among Asian subgroups and provide a discussion of the challenges ahead. The California Tobacco Control Program has employed a comprehensive approach to decrease tobacco use in Asian Americans, including ethnic-specific media campaigns, culturally competent interventions, and technical assistance and training networks. Surveillance of tobacco use among Asian Americans and the interpretation of the results have always been a challenge. Data from the 2001 The California Health Interview Survey (CHIS) were analyzed to provide smoking prevalence estimates for all Asian Americans and Asian-American subgroups, including Korean, Filipino, Japanese, South Asian, Chinese, and Vietnamese. Current smoking prevalence was analyzed by gender and by English proficiency level. Cigarette smoking prevalence among Asian males in general was almost three times of that among Asian females. Korean and Vietnamese males had higher cigarette smoking prevalence rates than males in other subgroups. Although Asian females in general had low smoking prevalence rates, significant differences were found among Asian subgroups, from 1.1% (Vietnamese) to 12.7% (Japanese). Asian men who had high English proficiency were less likely to be smokers than men with lower English proficiency. Asian women with high English proficiency were more likely to be smokers than women with lower English proficiency. Smoking prevalence rates among Asian Americans in California differed significantly on the basis of ethnicity, gender, and English proficiency. English proficiency seemed to have the effect of reducing smoking prevalence rates among Asian males but had just the opposite effect among Asian females. Cancer 2005. (c) 2005 American Cancer Society.

  11. A 16-year examination of domestic violence among Asians and Asian Americans in the empirical knowledge base: a content analysis.

    Science.gov (United States)

    Yick, Alice G; Oomen-Early, Jody

    2008-08-01

    Until recently, research studies have implied that domestic violence does not affect Asian American and immigrant communities, or even Asians abroad, because ethnicity or culture has not been addressed. In this content analysis, the authors examined trends in publications in leading scholarly journals on violence relating to Asian women and domestic violence. A coding schema was developed, with two raters coding the data with high interrater reliability. Sixty articles were published over the 16 years studied, most atheoretical and focusing on individual levels of analysis. The terms used in discussing domestic violence reflected a feminist perspective. Three quarters of the studies were empirical, with most guided by logical positivism using quantitative designs. Most targeted specific Asian subgroups (almost a third focused on Asian Indians) rather than categorizing Asians as a general ethnic category. The concept of "Asian culture" was most often assessed by discussing Asian family structure. Future research is discussed in light of the findings.

  12. Asian Shades of Spirituality: Implications for Multicultural School Counseling

    Science.gov (United States)

    Hanna, Fred J.; Green, Alan

    2004-01-01

    In the current practice of school counseling, little consideration is given to the spiritual background of students of Asian cultures. Although there is a body of literature on Asian culture in counseling, the authors could find remarkably few articles pertaining to counseling students in the context of Asian religious and spiritual traditions. In…

  13. Ethnicity, socioeconomic status, and overweight in Asian American adolescents

    Directory of Open Access Journals (Sweden)

    Won Kim Cook

    2016-12-01

    Full Text Available Asian American children and adolescents are an under-investigated subpopulation in obesity research. This study aimed to identify specific profiles of Asian subgroups at high risk of adolescent overweight with special attention to Asian ethnicity, socioeconomic status (SES, and their interaction. Multiple logistic regression models were fitted using a sample of 1533 Asian American adolescents ages 12–17 from the 2007–2012 California Health Interview Survey (CHIS. In addition to Asian ethnicity and socioeconomic status (assessed by family income and parental education level, age, gender, nativity, and two lifestyle variables, fast food consumption and physical activity, were also controlled for in these models. Key predictors of overweight in Asian American adolescents included certain Asian ethnicities (Southeast Asian, Filipino, and mixed ethnicities, low family income (<300% of the Federal Poverty Level, and being male. Multiplicative interaction terms between low family income and two ethnicities, Southeast Asian and Vietnamese that had the lowest SES among Asian ethnic groups, were significantly associated with greatly elevated odds of being overweight (ORs = 12.90 and 6.67, respectively. These findings suggest that high risk of overweight in Asian American adolescents associated with low family incomes may be further elevated for those in low-income ethnic groups. Future research might investigate ethnic-group SES as a meaningful indicator of community-level socioeconomic disparities that influence the health of Asian Americans.

  14. Globalization and Women in Southeast Asian Higher Education Management.

    Science.gov (United States)

    Luke, Carmen

    2002-01-01

    This case study of Southeast Asian women in higher education management investigates culture-specific dimensions of "glass ceiling" impediments to career advancement in higher education. Respondents note that despite considerable training and expertise, Asian values and ideologies demand enactment of a construct of Asian femininity that…

  15. 78 FR 27853 - Asian Longhorned Beetle; Quarantined Areas in Ohio

    Science.gov (United States)

    2013-05-13

    ...-0004] Asian Longhorned Beetle; Quarantined Areas in Ohio AGENCY: Animal and Plant Health Inspection Service, USDA. ACTION: Interim rule and request for comments. SUMMARY: We are amending the Asian... to prevent the artificial spread of the Asian longhorned beetle to noninfested areas of the United...

  16. Exposure to anti-malarial drugs and monitoring of adverse drug reactions using toll-free mobile phone calls in private retail sector in Sagamu, Nigeria: implications for pharmacovigilance

    Directory of Open Access Journals (Sweden)

    Ogunwande Isiaka A

    2011-08-01

    Full Text Available Abstract Background Adverse drug reactions (ADRs contribute to ill-health or life-threatening outcomes of therapy during management of infectious diseases. The exposure to anti-malarial and use of mobile phone technology to report ADRs following drug exposures were investigated in Sagamu - a peri-urban community in Southwest Nigeria. Methods Purchase of medicines was actively monitored for 28 days in three Community Pharmacies (CP and four Patent and Proprietary Medicine Stores (PPMS in the community. Information on experience of ADRs was obtained by telephone from 100 volunteers who purchased anti-malarials during the 28-day period. Results and Discussion A total of 12,093 purchases were recorded during the period. Antibiotics, analgesics, vitamins and anti-malarials were the most frequently purchased medicines. A total of 1,500 complete courses of anti-malarials were purchased (12.4% of total purchases; of this number, purchases of sulphadoxine-pyrimethamine (SP and chloroquine (CQ were highest (39.3 and 25.2% respectiuvely. Other anti-malarials purchased were artesunate monotherapy (AS - 16.1%, artemether-lumefantrine (AL 10.0%, amodiaquine (AQ - 6.6%, quinine (QNN - 1.9%, halofantrine (HF - 0.2% and proguanil (PR - 0.2%. CQ was the cheapest (USD 0.3 and halofantrine the most expensive (USD 7.7. AL was 15.6 times ($4.68 more expensive than CQ. The response to mobile phone monitoring of ADRs was 57% in the first 24 hours (day 1 after purchase and decreased to 33% by day 4. Participants in this monitoring exercise were mostly with low level of education (54%. Conclusion The findings from this study indicate that ineffective anti-malaria medicines including monotherapies remain widely available and are frequently purchased in the study area. Cost may be a factor in the continued use of ineffective monotherapies. Availability of a toll-free telephone line may facilitate pharmacovigilance and follow up of response to medicines in a resource

  17. Masculine Norms, Avoidant Coping, Asian Values and Depression among Asian American Men.

    Science.gov (United States)

    Iwamoto, Derek Kenji; Liao, Liang; Liu, William Ming

    2010-01-01

    Contrary to the "model minority" myth, growing research indicates that the rates of mental health problems among Asian Americans may be higher than initially assumed. This study seeks to add to the scant knowledge regarding the mental health of Asian American men by examining the role of masculine norms, coping and cultural values in predicting depression among this population (N=149). Results reveal that Asian American men who used avoidant coping strategies and endorsed the masculine norm Dominance reported higher levels of depressive symptoms. In contrast, endorsing Winning masculine norms was associated to lower levels of depressive symptoms. Findings suggest that adherence to masculine norms and avoidant coping strategies play a salient role in the mental health of Asian American men.

  18. Masculine Norms, Avoidant Coping, Asian Values and Depression among Asian American Men

    Science.gov (United States)

    Iwamoto, Derek Kenji; Liao, Liang; Liu, William Ming

    2010-01-01

    Contrary to the “model minority” myth, growing research indicates that the rates of mental health problems among Asian Americans may be higher than initially assumed. This study seeks to add to the scant knowledge regarding the mental health of Asian American men by examining the role of masculine norms, coping and cultural values in predicting depression among this population (N=149). Results reveal that Asian American men who used avoidant coping strategies and endorsed the masculine norm Dominance reported higher levels of depressive symptoms. In contrast, endorsing Winning masculine norms was associated to lower levels of depressive symptoms. Findings suggest that adherence to masculine norms and avoidant coping strategies play a salient role in the mental health of Asian American men. PMID:20657794

  19. A phase I trial to evaluate the safety and pharmacokinetics of low-dose methotrexate as an anti-malarial drug in Kenyan adult healthy volunteers

    Directory of Open Access Journals (Sweden)

    Oyoo George O

    2011-03-01

    Full Text Available Abstract Background Previous investigations indicate that methotrexate, an old anticancer drug, could be used at low doses to treat malaria. A phase I evaluation was conducted to assess the safety and pharmacokinetic profile of this drug in healthy adult male Kenyan volunteers. Methods Twenty five healthy adult volunteers were recruited and admitted to receive a 5 mg dose of methotrexate/day/5 days. Pharmacokinetics blood sampling was carried out at 2, 4, 6, 12 and 24 hours following each dose. Nausea, vomiting, oral ulcers and other adverse events were solicited during follow up of 42 days. Results The mean age of participants was 23.9 ± 3.3 years. Adherence to protocol was 100%. No grade 3 solicited adverse events were observed. However, one case of transiently elevated liver enzymes, and one serious adverse event (not related to the product were reported. The maximum concentration (Cmax was 160-200 nM and after 6 hours, the effective concentration (Ceff was Conclusion Low-dose methotraxate had an acceptable safety profile. However, methotrexate blood levels did not reach the desirable Ceff of 250-400-nM required to clear malaria infection in vivo. Further dose finding and safety studies are necessary to confirm suitability of this drug as an anti-malarial agent.

  20. Satellite-derived NDVI, LST, and climatic factors driving the distribution and abundance of Anopheles mosquitoes in a former malarious area in northwest Argentina.

    Science.gov (United States)

    Dantur Juri, María Julia; Estallo, Elizabet; Almirón, Walter; Santana, Mirta; Sartor, Paolo; Lamfri, Mario; Zaidenberg, Mario

    2015-06-01

    Distribution and abundance of disease vectors are directly related to climatic conditions and environmental changes. Remote sensing data have been used for monitoring environmental conditions influencing spatial patterns of vector-borne diseases. The aim of this study was to analyze the effect of the Normalized Difference Vegetation Index (NDVI) and Land Surface Temperature (LST) obtained from the Moderate Resolution Imaging Spectroradiometer (MODIS), and climatic factors (temperature, humidity, wind velocity, and accumulated rainfall) on the distribution and abundance of Anopheles species in northwestern Argentina using Poisson regression analyses. Samples were collected from December, 2001 to December, 2005 at three localities, Aguas Blancas, El Oculto and San Ramón de la Nueva Orán. We collected 11,206 adult Anopheles species, with the major abundance observed at El Oculto (59.11%), followed by Aguas Blancas (22.10%) and San Ramón de la Nueva Orán (18.79%). Anopheles pseudopunctipennis was the most abundant species at El Oculto, Anopheles argyritarsis predominated in Aguas Blancas, and Anopheles strodei in San Ramón de la Nueva Orán. Samples were collected throughout the sampling period, with the highest peaks during the spring seasons. LST and mean temperature appear to be the most important variables determining the distribution patterns and major abundance of An. pseudopunctipennis and An. argyritarsis within malarious areas. © 2015 The Society for Vector Ecology.

  1. Combining two-dimensional gel electrophoresis and metabolomic data in support of dry-season survival in the two main species of the malarial mosquito Anopheles gambiae

    Directory of Open Access Journals (Sweden)

    Hidalgo K.

    2015-12-01

    Full Text Available In dry savannahs of West-Africa, the malarial mosquitoes of the Anopheles gambiae sensu stricto complex annually survive the harsh desiccating conditions of the dry season. However, the physiological and biochemical mechanisms underlying how these mosquitoes survive such desiccating conditions are still undefined, and controversial. In this context, we provide the first work examining both proteomic and metabolomic changes in the two molecular forms of A. gambiae s.s (M and S forms experimentally exposed to the rainy and dry season conditions as they experience in the field. Protein abundances of the mosquitoes were measured using a two-dimensional fluorescence difference gel electrophoresis (2D DIGE coupled with a matrix-assisted laser desorption/ionisation-time of flight (MALDI-TOF and tandem mass spectrometry (MS for protein identification. These assays were conducted by Applied Biomics (http://www.appliedbiomics.com, Applied Biomics, Inc. Hayward, CA, USA, and the mass spectrometry proteomics data have been deposited to the ProteomeXchange Consortium (http://proteomecentral.proteomexchange.org via the PRIDE partner repository with the dataset identifier PXD000294. The metabolomic analysis was conducted using both Acquity UPLC® system (for amino acid identification, and a gas-chromatography-mass spectrometry platform (for sugars identification. Metabolomic fingerprintings were assessed in the University of Rennes 1, UMR CNRS 6553 EcoBio (France. A detailed interpretation of the obtained data can be found in Hidalgo et al. (2014 [1] (Journal of Insect Physiology (2014.

  2. The anti-malarial drug Mefloquine disrupts central autonomic and respiratory control in the working heart brainstem preparation of the rat

    Directory of Open Access Journals (Sweden)

    Lall Varinder K

    2012-12-01

    Full Text Available Abstract Background Mefloquine is an anti-malarial drug that can have neurological side effects. This study examines how mefloquine (MF influences central nervous control of autonomic and respiratory systems using the arterially perfused working heart brainstem preparation (WHBP of the rat. Recordings of nerve activity were made from the thoracic sympathetic chain and phrenic nerve, while heart rate (HR and perfusion pressure were also monitored in the arterially perfused, decerebrate, rat WHBP. MF was added to the perfusate at 1 μM to examine its effects on baseline parameters as well as baroreceptor and chemoreceptor reflexes. Results MF caused a significant, atropine resistant, bradycardia and increased phrenic nerve discharge frequency. Chemoreceptor mediated sympathoexcitation (elicited by addition of 0.1 ml of 0.03% sodium cyanide to the aortic cannula was significantly attenuated by the application of MF to the perfusate. Furthermore MF significantly decreased rate of return to resting HR following chemoreceptor induced bradycardia. An increase in respiratory frequency and attenuated respiratory-related sympathetic nerve discharge during chemoreceptor stimulation was also elicited with MF compared to control. However, MF did not significantly alter baroreceptor reflex sensitivity. Conclusions These studies indicate that in the WHBP, MF causes profound alterations in autonomic and respiratory control. The possibility that these effects may be mediated through actions on connexin 36 containing gap junctions in central neurones controlling sympathetic nervous outflow is discussed.

  3. Hyperreactive malarial splenomegaly is associated with low levels of antibodies against red blood cell and Plasmodium falciparum derived glycolipids in Yanomami Amerindians from Venezuela.

    Science.gov (United States)

    Vivas, Livia; O'Dea, Kieran P; Noya, Oscar; Pabon, Rosalba; Magris, Magda; Botto, Carlos; Holder, Anthony A; Brown, K Neil

    2008-03-01

    The immunological basis of the aberrant immune response in hyperreactive malarial splenomegaly (HMS) is poorly understood, but believed to be associated with polyclonal B cell activation by an unidentified malaria mitogen, leading to unregulated immunoglobulin and autoantibody production. HMS has been previously reported in Yanomami communities in the Upper Orinoco region of the Venezuelan Amazon. To investigate a possible association between antibody responses against Plasmodium falciparum and uninfected red blood cell (URBC) glycolipids and splenomegaly, a direct comparison of the parasite versus host anti-glycolipid antibody responses was made in an isolated community of this area. The anti-P. falciparum glycolipid (Pfglp) response was IgG3 dominated, whereas the uninfected red blood cell glycolipid (URBCglp) response showed a predominance of IgG1. The levels of IgG1 against Pfglp, and of IgG4 and IgM against URBCglp were significantly higher in women, while the anti-Pfglp or URBCglp IgM levels were inversely correlated with the degree of splenomegaly. Overall, these results suggest differential regulation of anti-parasite and autoreactive responses and that these responses may be linked to the development and evolution of HMS in this population exposed to endemic malaria. The high mortality rates associated with HMS point out that its early diagnosis together with the implementation of malaria control measures in these isolated Amerindian communities are a priority.

  4. Do Caucasian and Asian clocks tick differently?

    Directory of Open Access Journals (Sweden)

    A.A. Barbosa

    Full Text Available The Period 3 and Clock genes are important components of the mammalian molecular circadian system. Studies have shown association between polymorphisms in these clock genes and circadian phenotypes in different populations. Nevertheless, differences in the pattern of allele frequency and genotyping distribution are systematically observed in studies with different ethnic groups. To investigate and compare the pattern of distribution in a sample of Asian and Caucasian populations living in Brazil, we evaluated two well-studied polymorphisms in the clock genes: a variable number of tandem repeats (VNTR in PER3 and a single nucleotide polymorphism (SNP in CLOCK. The aim of this investigation was to search for clues about human evolutionary processes related to circadian rhythms. We selected 109 Asian and 135 Caucasian descendants. The frequencies of the shorter allele (4 repeats in the PER3 gene and the T allele in the CLOCK gene among Asians (0.86 and 0.84, respectively were significantly higher than among Caucasians (0.69 and 0.71, respectively. Our results directly confirmed the different distribution of these polymorphisms between the Asian and Caucasian ethnic groups. Given the genetic differences found between groups, two points became evident: first, ethnic variations may have implications for the interpretation of results in circadian rhythm association studies, and second, the question may be raised about which evolutionary conditions shaped these genetic clock variations.

  5. Participation in Southeast Asian pollution control policies

    NARCIS (Netherlands)

    Hofman, Peter; Coenen, Franciscus H.J.M.; Huitema, Dave; O'Toole, Laurence J.

    1998-01-01

    Although public awareness of environmental issues in Southeast Asian countries has increased dramatically during the nineties, there has not been a corresponding rise in the level of participation in environmental decision-making. Public participation often takes places at the end of a

  6. Asian Varieties of English: Attitudes towards Pronunciation

    Science.gov (United States)

    Tokumoto, Mina; Shibata, Miki

    2011-01-01

    According to previous studies, Japanese EFL learners who wish to acquire American or British English pronunciation are reluctant to speak their L1-accented English. In view of this tendency, the present study examined the attitudes of Asian learners toward their L1-accented English. University students from Japan, South Korea, and Malaysia…

  7. Correlation Dynamics in East Asian Financial Markets

    NARCIS (Netherlands)

    Kuper, Gerard; Lestano, L

    2014-01-01

    This paper examines the dynamic relationship between stock returns and exchange rate changes using daily data from January 3, 1994 - September 27, 2013 for six East Asian countries: Indonesia, Malaysia, the Philippines, Singapore, South Korea and Thailand. We estimate conditional correlations using

  8. "Reading to Write" in East Asian Studies

    Science.gov (United States)

    Freedman, Leora

    2013-01-01

    A reading-writing initiative began in 2011-12 at the University of Toronto as a partnership between an East Asian Studies (EAS) department and an English Language Learning (ELL) Program. In this institution, students are expected to enter into scholarly discussions in their first year essays, yet many (both native English speakers and non-native…

  9. Childcare Practices in Three Asian Countries

    Science.gov (United States)

    Yunus, Sham ah Md.

    2005-01-01

    Childcare practices such as feeding, toilet training, sleeping arrangement and discipline in three Asian countries (China, Japan, and India) are compared. These countries differ from each other in culture, religion, language and ethnic makeup from Euro-American culture. The differences in childcare practices are broadly related to the differences…

  10. Two new combinations in Asian Adenia (Passifloraceae)

    NARCIS (Netherlands)

    Wilde, de W.J.J.O.

    1967-01-01

    In the course of the revision of the Asian species of the genus Adenia Forsk. (tropical and subtropical Africa, tropical S.E. Asia, Malay Archipelago, N. Australia) it appeared that two valid old epithets have been overlooked which should have priority. Consequently the fairly well established names

  11. Asian Women in Higher Education: Shared Communities

    Science.gov (United States)

    Bhopal, Kalwant

    2010-01-01

    More Asian women are entering higher education in the UK than ever before, and the number looks likely to rise. Their engagement with higher education reflects widespread changes in the attitudes and cultural expectations of their various communities, as awareness grows of the greater long-term value associated with continuing in education. Today…

  12. Correlation dynamics in East Asian financial markets

    NARCIS (Netherlands)

    Lestano, L; Kuper, Gerard H.

    2016-01-01

    We examine the dynamic relationship between stock returns and exchange rate changes using daily data from January 1994 to September 2013 for six East Asian countries. We use the multivariate GARCH-DCC model in order to disclose the relationship between stock markets and foreign exchange markets

  13. Perinatal Practices & Traditions Among Asian Indian Women.

    Science.gov (United States)

    Goyal, Deepika

    2016-01-01

    As the population in the United States grows more diverse, nurses caring for childbearing women must be aware of the many cultural traditions and customs unique to their patients. This knowledge and insight supports women and their families with the appropriate care, information, and resources. A supportive relationship builds trust, offers guidance, and allows for the new family to integrate information from nurses and other healthcare providers with the practice of certain perinatal cultural traditions. The Asian Indian culture is rich in tradition, specifically during the perinatal period. To support the cultural beliefs and practices of Asian Indian women during this time, nurses need to be aware of and consider multiple factors. Many women are navigating the new role of motherhood while making sense of and incorporating important cultural rituals. The purpose of this article is to provide an overview of perinatal cultural practices and traditions specific to the Asian Indian culture that perinatal nurses may observe in the clinical setting. Cultural traditions and practices specific to the pregnancy and postpartum period are described together with symbolism and implications for nursing practice. It is important to note that information regarding perinatal customs is provided in an effort to promote culturally sensitive nursing care and may not pertain to all Asian Indian women living in the United States.

  14. Asian horses deepen the MSY phylogeny.

    Science.gov (United States)

    Felkel, S; Vogl, C; Rigler, D; Jagannathan, V; Leeb, T; Fries, R; Neuditschko, M; Rieder, S; Velie, B; Lindgren, G; Rubin, C-J; Schlötterer, C; Rattei, T; Brem, G; Wallner, B

    2018-02-01

    Humans have shaped the population history of the horse ever since domestication about 5500 years ago. Comparative analyses of the Y chromosome can illuminate the paternal origin of modern horse breeds. This may also reveal different breeding strategies that led to the formation of extant breeds. Recently, a horse Y-chromosomal phylogeny of modern horses based on 1.46 Mb of the male-specific Y (MSY) was generated. We extended this dataset with 52 samples from five European, two American and seven Asian breeds. As in the previous study, almost all modern European horses fall into a crown group, connected via a few autochthonous Northern European lineages to the outgroup, the Przewalski's Horse. In total, we now distinguish 42 MSY haplotypes determined by 158 variants within domestic horses. Asian horses show much higher diversity than previously found in European breeds. The Asian breeds also introduce a deep split to the phylogeny, preliminarily dated to 5527 ± 872 years. We conclude that the deep splitting Asian Y haplotypes are remnants of a far more diverse ancient horse population, whose haplotypes were lost in other lineages. © 2018 Stichting International Foundation for Animal Genetics.

  15. The Asian-Pacific world in transition

    International Nuclear Information System (INIS)

    McLean, D.

    1990-01-01

    Analyzing the modern situation in the Asian-Pacific Region, with account for strategic concerns on the part of China, Japan, USSR and USA the author considers prospects for meaningful disarmament or arms-control (including nuclear weapons) negotiations in the region

  16. East Asian Cinema (College Course File).

    Science.gov (United States)

    Ehrlich, Linda; Ma, Ning

    1990-01-01

    Provides guidelines for instructors who teach entire courses on (or who include) films from Japan and China. Considers issues of concern in contemporary Asian cinema such as conflicts between tradition and modernity, indigenous definitions of cultural identity and artistic form, and internationalization. (KEH)

  17. The Demise of the Asian Math Gene.

    Science.gov (United States)

    Bracey, Gerald W.

    1999-01-01

    The 1996 National Assessment of Educational Progress math scores for eighth-graders show that when socioeconomic status is considered, English-proficient Asian students have no achievement advantage over other ethnic groups. However, Chinese sixth-graders, using abstract reasoning skills, outperformed American students on 12 open-ended math…

  18. Monitoring Asian longhorned beetles in Massachusetts

    Science.gov (United States)

    Maya Nehme; Melody Keena; Aijun Zhang; Alan Sawyer; Kelli. Hoover

    2011-01-01

    An operationally effective trap to monitor the Asian longhorned beetle (Anoplophora glabripennis or ALB) has been a goal of the ALB eradication program since the first beetle was found in New York in 1996. Ground surveying is only ~20 percent effective at identifying infested trees and, although tree climbing is more effective, it is also...

  19. International conference on Asian nuclear prospects 2010

    International Nuclear Information System (INIS)

    2010-10-01

    The proceedings of the second international conference on Asian nuclear prospects was held during October 10-13, 2010. The topics covered were atomic minerals exploration, fuels and fuel fabrication, fast reactor engineering and technology, thermal reactors, fuel reprocessing, materials development, nuclear instrumentation and electronics, reactor and environmental safety, waste management, knowledge management and HRD. Papers relevant to INIS are indexed separately

  20. Changes in Financial Practices: Southeast Asian Refugees.

    Science.gov (United States)

    Johnson, Phyllis J.

    1989-01-01

    Presents research on changes over a two-year period in the use of new, Western financial practices by Southeast Asian refugees and in variables affecting those changes. Significant interaction effects showed that increased use of new practices was affected by age, education, work experience, and changes in English ability. (JOW)

  1. Answer Markup Algorithms for Southeast Asian Languages.

    Science.gov (United States)

    Henry, George M.

    1991-01-01

    Typical markup methods for providing feedback to foreign language learners are not applicable to languages not written in a strictly linear fashion. A modification of Hart's edit markup software is described, along with a second variation based on a simple edit distance algorithm adapted to a general Southeast Asian font system. (10 references)…

  2. An Asian perspective on organ transplantation.

    Science.gov (United States)

    Tai, Michael Cheng-tek

    2009-01-01

    The organ transplantation seems to have become a route practice of modern medical treatment when a patient's organ fails providing that she/he can afford the cost and a suitable organ is found. This practice, however, was not without scepticism and reservation at least to some Asians, for instance, Japan has been reluctant to launch a brave search for organs to save any patient whose organs fail. The western world including Vatican has seen donating one's organ for transplantation to save others as an act of love. Compassion is one of the main teachings in Asian tradition too, therefore culturally, Asians should be in favour of this modern medical treatment. But the ancient teachings of Asia also call for respecting parents by carefully safeguarding the gift of body that they gave and abiding in Tao to follow the flow of nature. What will the Asian ancient sages say to this new modern medical technology? This article will examine the teachings of Confucianism, Taoism and Buddhism to find out how they respond to the procedures of organ transplantation.

  3. Asian citrus psyllid RNAi pathway - RNAi evidence

    Science.gov (United States)

    In silico analyses of the draft genome of Diaphorina citri, the Asian citrus psyllid, for genes within the Ribonucleic acid interference(RNAi), pathway was successful. The psyllid is the vector of the plant-infecting bacterium, Candidatus Liberibacter asiaticus (CLas), which is linked to citrus gree...

  4. Philosophy 323, Readings in Asian Thought. Syllabus.

    Science.gov (United States)

    Hurdle, Burton G., Jr.

    A survey course syllabus of Asian philosophy is presented. For each period of dates in the semester course, a reading assignment was made, discussion topics and questions proposed, and supplementary readings and sources suggested. The course focused on Indian philosophy, Buddhism and Hinduism, and Chinese philosophy, specifically Confucian…

  5. Asian American Career Development: A Qualitative Analysis

    Science.gov (United States)

    Fouad, Nadya A.; Kantamneni, Neeta; Smothers, Melissa K.; Chen, Yung-Lung; Fitzpatrick, Mary; Terry, Sarah

    2008-01-01

    This study used a modified version of consensual qualitative research design to examine how contextual, cultural, and personal variables influence the career choices of a diverse group of 12 Asian Americans. Seven domains of influences on career choices emerged including family, culture, external factors, career goals, role models, work values,…

  6. East Asian Values Surveys : making a case for East Asian-origin values survey concepts

    OpenAIRE

    Vinken, Henk

    2006-01-01

    This paper aims to contribute to social scientific work towards enhancing the cultural fit of comparative values surveys projects on a conceptual level both for Western and East Asian survey research communities and their publics. It starts with noting that, after a long period in which Western values were regarded superior ('orientalism'), in recent decades certain East Asian and specifically Confucian values are much celebrated ('reversed orientalism'). Yet, most contemporary cross-cultural...

  7. A 16-Year Examination of Domestic Violence among Asians and Asian Americans in the Empirical Knowledge Base: A Content Analysis

    Science.gov (United States)

    Yick, Alice G.; Oomen-Early, Jody

    2008-01-01

    Until recently, research studies have implied that domestic violence does not affect Asian American and immigrant communities, or even Asians abroad, because ethnicity or culture has not been addressed. In this content analysis, the authors examined trends in publications in leading scholarly journals on violence relating to Asian women and…

  8. Pathways to an East Asian Higher Education Area: A Comparative Analysis of East Asian and European Regionalization Processes

    Science.gov (United States)

    Chao, Roger Y., Jr.

    2014-01-01

    The Author argues that historical regional developments in Europe and East Asia greatly influence the formation of an East Asian Higher Education Area. As such, this article compares European and East Asian regionalization and higher education regionalization processes to show this path dependency in East Asian regionalization of higher education…

  9. Critical thinking dispositions of nursing students in Asian and non-Asian countries: a literature review.

    Science.gov (United States)

    Salsali, Mahvash; Tajvidi, Mansooreh; Ghiyasvandian, Shahrzad

    2013-09-26

    Critical thinking disposition represents an inclination of a person to use possessed skills in relation to critical thinking. The trend of critical thinking has been described as inner motivation to solve problems and make decisions by thinking. In nursing as a practical profession, the concept of critical thinking dispositions is important component in helping to manage complex health situations and to deal with patient issues effectively. Willingness to think critically is a prerequisite for safe and subtly performance. The results of studies show critical thinking dispositions of nursing students in Asian countries are different from non-Asian countries. Aim of this literature review was to compare critical thinking dispositions of nursing students in Asian and non-Asian countries. Literature review was done in English and Persian databases. The results showed of the 795 articles published in English and Persian language that studied critical thinking, 73 ones studied critical thinking skills and dispositions in nursing education, and relationship between teaching methods and critical thinking skills and dispositions in nursing education of different countries. Fifteen of seventy three articles assessed critical thinking dispositions in nursing students. Limited studies showed that the Asian nursing students had mostly undermining score of the critical thinking dispositions, while non-Asian countries tend to positive scores. The reasons for these differences could be due to issues such as environmental, educational methods and cultural differences. However, future studies should measure critical thinking disposition by discipline-based tools.

  10. Critical Thinking Dispositions of Nursing Students in Asian and Non-Asian Countries: A Literature Review

    Science.gov (United States)

    Salsali, Mahvash; Tajvidi, Mansooreh; Ghiyasvandian, Shahrzad

    2013-01-01

    Critical thinking disposition represents an inclination of a person to use possessed skills in relation to critical thinking. The trend of critical thinking has been described as inner motivation to solve problems and make decisions by thinking. In nursing as a practical profession, the concept of critical thinking dispositions is important component in helping to manage complex health situations and to deal with patient issues effectively. Willingness to think critically is a prerequisite for safe and subtly performance. The results of studies show critical thinking dispositions of nursing students in Asian countries are different from non-Asian countries. Aim of this literature review was to compare critical thinking dispositions of nursing students in Asian and non-Asian countries. Literature review was done in English and Persian databases. The results showed of the 795 articles published in English and Persian language that studied critical thinking, 73 ones studied critical thinking skills and dispositions in nursing education, and relationship between teaching methods and critical thinking skills and dispositions in nursing education of different countries. Fifteen of seventy three articles assessed critical thinking dispositions in nursing students. Limited studies showed that the Asian nursing students had mostly undermining score of the critical thinking dispositions, while non-Asian countries tend to positive scores. The reasons for these differences could be due to issues such as environmental, educational methods and cultural differences. However, future studies should measure critical thinking disposition by discipline-based tools. PMID:24171885

  11. Asian interests in Alberta oil sands

    International Nuclear Information System (INIS)

    Du Plessis, D.; Laureshen, C.

    2004-01-01

    The growing Asian interest in Alberta's oil sands and import opportunities was discussed along with the feasibility of marketing bitumen to Asia. Asia is an obvious new market for Canadian heavy oil and bitumen due to an increasing demand for petroleum products in Japan, Korea, Taiwan and China. This paper examined the following three criteria that will determine the success of any initiative to move Canadian crude oil to Asian-Pacific markets: (1) a sustainable supply from Alberta; a pipeline to transport the crude to a deepwater port on the west coast; and, a guaranteed market at the other end. The basis for Asian interest in Alberta's oil sands is the sustainable secure supply of oil for growing Asian markets; heavy dependence on supplies from the Middle East; the desire to diversify supply sources; and, opportunities to invest in oil sands developments. Examples of Asian (Japan, Korea, Taiwan and China) missions to Alberta were presented along with the challenges of getting products to market with reference to Enbridge's new market access plan, Terasen's staged capacity expansion for heavy crudes and refined products, and sea transport from Prince Rupert. The paper also included graphs depicting world GDP; incremental increase in world primary energy demand by fuel for 2000 to 2020; world oil demand by region; oil demand by region in Asia; oil demand and supply in northeast Asia (Japan, China, Korea) and dependence level on Middle Eastern oil; oil demand and supply in China; China's petroleum production and consumption; refined products market forecast for 2000 to 2020; 2002 crude oil imports to Asia; 2004 refining capacity; product quality comparisons; cost competitive study; and energy policy objectives for China, Japan, Korea and Taiwan. 19 figs

  12. Differences in Characteristics and Outcomes Between Asian and Non-Asian Patients in the TIAregistry.org.

    Science.gov (United States)

    Hoshino, Takao; Uchiyama, Shinichiro; Wong, Lawrence K S; Sissani, Leila; Albers, Gregory W; Bornstein, Natan M; Caplan, Louis R; Donnan, Geoffrey A; Ferro, José M; Hennerici, Michael G; Labreuche, Julien; Lavallée, Philippa C; Molina, Carlos; Rothwell, Peter M; Steg, Philippe Gabriel; Touboul, Pierre-Jean; Vicaut, Éric; Amarenco, Pierre

    2017-07-01

    This study provides the contemporary causes and prognosis of transient ischemic attack (TIA) and minor stroke in Asians and the direct comparisons with non-Asians. The TIAregistry.org enrolled 4789 patients (1149 Asians and 3640 non-Asians) with a TIA or minor ischemic stroke within 7 days of onset. Every participating facility had systems dedicated to urgent intervention of TIA/stroke patients by specialists. The primary outcome was a composite of cardiovascular death, nonfatal stroke, and nonfatal acute coronary syndrome. Approximately 80% of patients were evaluated within 24 hours of symptom onset. At 1 year, there were no differences in the rates of composite cardiovascular events (6.8% versus 6.0%; P =0.38) and stroke (6.0% versus 4.8%; P =0.11) between Asians and non-Asians. Asians had a lower risk of cerebrovascular disease (stroke or TIA) than non-Asians (adjusted hazard ratio, 0.79; 95% confidence interval, 0.63-0.98; P =0.03); the difference was primarily driven by a lower rate of TIA in Asians (4.2% versus 8.3%; P <0.001). Moderately severe bleeding was more frequent in Asians (0.8% versus 0.3%; P =0.02). In multivariable analysis, multiple acute infarcts ( P =0.005) and alcohol consumption ( P =0.02) were independent predictors of stroke recurrence in Asians, whereas intracranial stenosis ( P <0.001), ABCD 2 score ( P <0.001), atrial fibrillation ( P =0.008), extracranial stenosis ( P =0.03), and previous stroke or TIA ( P =0.03) were independent predictors in non-Asians. The short-term stroke risk after a TIA or minor stroke was lower than expected when urgent evidence-based care was delivered, irrespective of race/ethnicity or region. However, the predictors of stroke were different for Asians and non-Asians. © 2017 American Heart Association, Inc.

  13. Modelling the Asian summer monsoon using CCAM

    Energy Technology Data Exchange (ETDEWEB)

    Nguyen, Kim Chi; McGregor, John L. [CSIRO Marine and Atmospheric Research, Aspendale, VIC (Australia)

    2009-02-15

    A ten-year mean (1989-1998) climatology of the Asian summer monsoon is studied using the CSIRO Conformal-Cubic Atmospheric Model (CCAM) to downscale NCEP reanalyses. The aim of the current study is to validate the model results against previous work on this topic, in order to identify model strengths and weaknesses in simulating the Asian summer monsoon. The model results are compared with available observations and are presented in two parts. In the first part, the mean summer rainfall, maximum and minimum temperatures and winds are compared with the observations. The second part focuses on validation of the monsoon onset. The model captures the mean characteristics such as the cross-equatorial flow of low-level winds over the Indian Ocean and near the Somali coast, rainfall patterns, onset indices, northward movements, active-break and revival periods. (orig.)

  14. Impact of anthropogenic aerosols from global, East Asian, and non-East Asian sources on East Asian summer monsoon system

    Science.gov (United States)

    Wang, Qiuyan; Wang, Zhili; Zhang, Hua

    2017-01-01

    The impact of the total effects due to anthropogenic aerosols from global, East Asian, and non-East Asian sources on East Asian summer monsoon (EASM) system is studied using an aerosol-climate online model BCC_AGCM2.0.1_CUACE/Aero. The results show that the summer mean net all-sky shortwave fluxes averaged over East Asian monsoon region (EAMR) at the top of the atmosphere (TOA) and surface reduce by 4.8 and 5.0 W m- 2, respectively, due to the increases of global aerosol emissions in 2000 relative to 1850. Changes in radiations and their resulting changes in heat and water transport and cloud fraction contribute together to the surface cooling over EAMR in summer. The increases in global anthropogenic aerosols lead to a decrease of 2.1 K in summer mean surface temperature and an increase of 0.4 hPa in summer mean surface pressure averaged over EAMR, respectively. It is shown that the changes in surface temperature and pressure are significantly larger over land than ocean, thus decreasing the contrast of land-sea surface temperature and pressure. This results in the marked anomalies of north and northeast winds over eastern and southern China and the surrounding oceans in summer, thereby weakening the EASM. The summer mean precipitation averaged over the EAMR reduces by 12%. The changes in non-East Asian aerosol emissions play a more important role in inducing the changes of local temperature and pressure, and thus significantly exacerbate the weakness of the EASM circulation due to local aerosol changes. The weakening of circulation due to both is comparable, and even the effect of non-local aerosols is larger in individual regions. The changes of local and non-local aerosols contribute comparably to the reductions in precipitation over oceans, whereas cause opposite changes over eastern China. Our results highlight the importance of aerosol changes outside East Asia in the impact of the changes of anthropogenic aerosols on EASM.

  15. Drug addiction and diabetes: South Asian action.

    Science.gov (United States)

    Singh Balhara, Yatan Pal; Kalra, Sanjay

    2017-06-01

    Both diabetes and drug addiction are common phenomena across the world. Drug abuse impacts glycaemic control in multiple ways. It becomes imperative, therefore, to share guidance on drug deaddiction in persons with diabetes. The South Asian subcontinent is home to specific forms and patterns of drug abuse. Detailed study is needed to ensure good clinical practice regarding the same. This communication provides a simple and pragmatic framework to address this issue, while calling for concerted action on drug deaddiction in South Asia.

  16. Asian Leadership in Chronic Kidney Disease

    OpenAIRE

    Becker, Gavin J

    2009-01-01

    Asian Pacific countries include those with the highest incidence of renal failure in the world, the richest and poorest economies and unparalleled diversity of economy, culture and geography. From this come many challenges, but also a strong basis for the introduction of strategies to combat renal diseases. With a rapidly developing scientific community, Asia needs to accept the challenge of becoming a global leader in nephrology in the near future.

  17. AoA Region: South Asian Seas

    Digital Repository Service at National Institute of Oceanography (India)

    Naqvi, S.W.A.

    is an environmental assessment for the entire Bay of Bengal region (BOBP/ REP/67) prepared for the Swedish Centre for Coastal Development and Management of Aquatic Resources by Holmgren (1994) under the Bay of Bengal Programme. This assessment provides information...-based activities (UNEP 2001) includes information on the South Asian Seas region. Under the Environment Management-Capacity Building Project implemented by the Indian Ministry of Environment and Forests with funding support from the World Bank, the Integrated...

  18. Prevalence of obesity among young Asian-American children.

    Science.gov (United States)

    Jain, Anjali; Mitchell, Stephanie; Chirumamilla, Radha; Zhang, Jin; Horn, Ivor B; Lewin, Amy; Huang, Z Jennifer

    2012-12-01

    Asian-American children are considered to be at low risk of obesity, but previous estimates have not distinguished between children from different Asian countries. We estimate the prevalence of obesity among Asian-American children by mother's country of origin, generational status, and family socioeconomic factors using a secondary analysis of the Early Childhood Longitudinal Study-Birth Cohort (ECLS-B) wave III (children ∼4 years old) dataset. The ECLS-B is a nationally representative study of children born in 2001 that oversampled births to Asian mothers. Asian ethnic categories included Chinese, Japanese, Filipino, Asian Indian, Korean, Vietnamese, and Other Asian/Pacific Islander. The primary outcome variable was weight status; overweight = BMI ≥85(th) and obese = BMI ≥95(th) percentile for age and gender. Twenty-six percent [95% confidence interval (CI) 23.6-29.1] of Asian-American 4 year olds were overweight or obese, and 13% (95% CI 10.2-15.2) were obese. Chinese-American children were at lower risk of overweight or obesity (23.5%, 95% CI 18.4-29.5 ) compared to whites (36%, 95% CI 34.3-37.7); Asian-Indian 4 year olds had the lowest rates of overweight or obesity (15.6%, 95% CI 8.0-28.2) and were most likely to be underweight (10%, 95% CI 4.9-19.4). Among Asians,Vietnamese-American children had the highest rate of overweight or obesity (34.7%, 95% CI 0.6-52.3). Vietnamese-American children are at elevated risk of obesity and overweight, whereas Chinese and Asian-Indian children are at low risk. After controlling for Asian ethnicity, maternal education, and household poverty status, Asian-American children whose mothers were born outside the United States were less likely to be obese [odds ratio = 0.55 (0.32-0.95), p = 0.03].

  19. Asians: the New Metics of Australia

    Directory of Open Access Journals (Sweden)

    Lissa Cheng

    1998-10-01

    Full Text Available The Asian immigration debate has become one of the most contentious topics of debate in Australia. Little about the debate is new and most of the arguments, both in favour and against, begin with demographic considerations, then move on to the economic consequences of immigration and the social and cultural ramifications. Delving deeper into the debate, one will realize that there is an underlying assumption of the economic theory of laissez-faire, which is the driving force of the debate. The new realities of global electronic commerce with laissez-faire economic theory have been transposed onto Australia's immigration policy. The government welcomes the "elite" of the knowledge workers because they are the real generators of wealth. However, the government is also aware that maximizing its benefit out of these immigrants, it must minimize the costs associated with them, such as maintenance cost of their sponsored parents. The analysis, while dispelling the myth of increasing immigration costs, confirmed the urgent need to shift the focus of societal pluralism from an economic one that is rooted in competition and self-interest individualism, to pluralism that is rooted in social organization. This is where society is seen as cooperative units rather than of competing units, that is Asians and non-Asians contributing to Australia as a cooperative group of people. The government promotion of division in society with its archaic politics to instill the 'metic' status for new immigrants may prove detrimental to its effort to attract elite wealth generator migrants.

  20. Differences between Caucasian and Asian attractive faces.

    Science.gov (United States)

    Rhee, S C

    2018-02-01

    There are discrepancies between the public's current beauty desires and conventional theories and historical rules regarding facial beauty. This photogrammetric study aims to describe in detail mathematical differences in facial configuration between attractive Caucasian and attractive Asian faces. To analyse the structural differences between attractive Caucasian and attractive Asian faces, frontal face and lateral face views for each race were morphed; facial landmarks were defined, and the relative photographic pixel distances and angles were measured. Absolute values were acquired by arithmetic conversion for comparison. The data indicate that some conventional beliefs of facial attractiveness can be applied but others are no longer valid in explaining perspectives of beauty between Caucasians and Asians. Racial differences in the perceptions of attractive faces were evident. Common features as a phenomenon of global fusion in the perspectives on facial beauty were revealed. Beauty standards differ with race and ethnicity, and some conventional rules for ideal facial attractiveness were found to be inappropriate. We must reexamine old principles of facial beauty and continue to fundamentally question it according to its racial, cultural, and neuropsychological aspects. © 2017 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.

  1. Acid deposition study in the Asian countries

    Energy Technology Data Exchange (ETDEWEB)

    Soon, Ting-Kueh [Tunku Abdul Rahman College, Kuala Lumpur (Malaysia); Lau, Wai-Yoo [Malaysian Scientific Association, Kuala Lumpur (Malaysia)

    1996-12-31

    The Association of South East Asian Nations or ASEAN is a regional association of seven countries, namely Indonesia, Malaysia, Philippines, Singapore, Thailand, Brunei and Vietnam, located at the south eastern part of the Asian continent. Together with the East Asian States of Japan, China, Korea and Taiwan, this part of the world is experiencing rapid economic growth, especially in the last decade. Rapid industrialization has resulted in an increased demand for energy in the manufacturing and transport sectors, and also for infrastructure development. This has led to a significant increase in gaseous emissions and a corresponding increase in atmospheric acidity. Acid deposition study in the ASEAN countries began in the mid-70s when Malaysia first started her acid rain monitoring network in 1976. This was followed closely by Singapore and the other ASEAN countries in the 80s. By now all ASEAN countries have their own acid rain monitoring networks with a number of these countries extending the monitoring to dry deposition as well.

  2. Asian longhorned beetle complicates the relationship ...

    Science.gov (United States)

    Urban foresters routinely emphasise the importance of taxonomic diversity to reduce the vulnerability of tree assemblages to invasive pests, but it is unclear to what extent diversity reduces vulnerability to polyphagous (i.e. generalist) pests. Drawing on field data from seven communities in metropolitan Cincinnati, Ohio, USA, we tested the hypothesis that communities with higher diversity would exhibit lower vulnerability to the polyphagous Asian longhorned beetle, which currently threatens the region. Based on street tree compositions and the beetle?s host preferences, Asian longhorned beetle threatened up to 35.6% of individual street trees and 47.5% of the total basal area across the study area, but we did not see clear connections between taxonomic diversity and beetle vulnerability among study communities. For example, the city of Fairfield was among the least diverse communities but had the lowest proportion of trees vulnerable to Asian longhorned beetle, whereas the city of Wyoming exhibited high diversity and high vulnerability. On the other hand, Forest Park aligned with our original hypothesis, as it was characterised by low diversity and high vulnerability. Our results demonstrate that relatively high taxonomic diversity in street tree assemblages does not necessarily lead to reduced vulnerability to a polyphagous pest. Considering the threats posed by polyphagous pests, selecting a set of relatively pest resistant trees known to perform well in urb

  3. Asian Americans in American History: An AsianCrit Perspective on Asian American Inclusion in State U.S. History Curriculum Standards

    Science.gov (United States)

    An, Sohyun

    2016-01-01

    Compared to other groups of color, Asian Americans and their perspectives have rarely been given attention in curriculum studies. This article seeks to address the gap in the literature. It uses AsianCrit, a branch of critical race theory, as a theoretical lens to analyze and explicate common patterns across various states' scripting of Asian…

  4. Asian Adolescents with Excess Weight are at Higher Risk for Insulin Resistance than Non-Asian Peers.

    Science.gov (United States)

    Elsamadony, Ahmed; Yates, Kathy F; Sweat, Victoria; Yau, Po Lai; Mangone, Alex; Joseph, Adriana; Fierman, Arthur; Convit, Antonio

    2017-11-01

    The purpose of this study was to evaluate whether Asian American adolescents have higher metabolic risk from excess weight than non-Asians. Seven hundred thirty-three students, aged 14 to 19 years old, completed a school-based health screening. The 427 Asian and 306 non-Asian students were overall equivalent on age, sex, and family income. Height, weight, waist circumference, percent body fat, and blood pressure were measured. Fasting triglycerides, high- and low-density lipoproteins, glucose, and insulin levels were measured. Asian and non-Asians in lean or overweight/obesity groups were contrasted on the five factors that make up the metabolic syndrome. Asian adolescents carrying excess weight had significantly higher insulin resistance (IR), triglyceride levels, and waist-height ratios (W/H), despite a significantly lower overall BMI than corresponding non-Asians. Similarly, Asians had a stronger relationship between W/H and the degree of IR than non-Asian counterparts; 35% and 18% of the variances were explained (R 2  = 0.35, R 2  = 0.18) respectively, resulting in a significant W/H by racial group interaction (F change [1,236] = 11.56, P Asians have higher IR and triglyceride levels from excess weight than their non-Asian counterparts. One-size-fits-all public health policies targeting youth should be reconsidered and attention paid to Asian adolescents, including those with mild degrees of excess weight. © 2017 The Obesity Society.

  5. Bullying Prevention as a Social Justice Issue: Implications with Asian American Elementary School Students

    Science.gov (United States)

    Wang, Cixin; Wang, Weimeng; Zheng, Lianzhe; Atwal, Kavita

    2016-01-01

    This study examined Asian American elementary students' experience with victimization. Data were collected from 313 fourth and fifth graders from an ethnically diverse elementary school in southern California. Most participants self-identified as Asian/Asian American and spoke an Asian language at home. Results indicated that Asian American…

  6. "Every drug goes to treat its own disease…" - a qualitative study of perceptions and experiences of taking anti-retrovirals concomitantly with anti-malarials among those affected by HIV and malaria in Tanzania

    DEFF Research Database (Denmark)

    Mangesho, Peter E; Reynolds, Joanna; Lemnge, Martha

    2014-01-01

    BACKGROUND: Little is known about how people living with human immunodeficiency virus (HIV) experience malaria and the concomitant use of anti-malarial treatments with anti-retrovirals (ARVs). An understanding of how patients make sense of these experiences is important to consider in planning......, perceptions of drug strength appeared to compel some people not enrolled in the clinical study to take the drugs at separate times to avoid anticipated harm to the body. CONCLUSIONS: Management of HIV and malaria concurrently often requires individuals to cross the domains of different disease programmes...

  7. Cultural barriers to health care for southeast Asian refugees.

    OpenAIRE

    Uba, L

    1992-01-01

    Many Southeast Asians now living in the United States experience severe health problems, attributable to physical trauma and inadequate health care in Asia, and low socioeconomic status in this country. Evidence indicates that despite their health problems, Southeast Asian refugees underuse the American health care system. Cultural reasons for this underuse are examined. Southeast Asian cultural attitudes toward suffering, such as beliefs that suffering is inevitable or that one's life span i...

  8. Asian International Graduate Students’ Extrinsic Motivation to Pursue Degrees

    OpenAIRE

    Naomi Takashiro

    2017-01-01

    The author examined the types of extrinsic motivation for Asian international graduate students pursuing graduate degrees. The theoretical framework used was extrinsic motivation within Self-Determination Theory. Even though the presence of Asian international graduate students is steadily increasing worldwide, research into their extrinsic motivation is scarce. It is important for educators to explore and understand Asian international graduate students’ extrinsic motivation since such stude...

  9. Help or hindrance? South Asian women in the family firm

    OpenAIRE

    Dhaliwal, Spinder; Scott, Jonathan; Hussain, Javed

    2010-01-01

    This paper focuses upon the often neglected issue of the contribution of South Asian women to both entrepreneurship and the management of family businesses. We conceptualise the family as a highly gendered institution. Two in-depth case studies, as illustrative typological exemplars, were undertaken with Asian women entrepreneurs who share both ownership and management of larger businesses which are household names, yet represent a tiny fraction of the Asian women in business. Respondents wer...

  10. Asian Women in Management, cracking the glass ceiling ?

    OpenAIRE

    Kim, So Won

    2007-01-01

    Research on the corporate Asian woman has been limited as most studies on women in management have focused within the Anglo-Saxon and European contexts. Therefore, the purpose of this paper is to present a general overview of Asian female managers and compare it to their western counterparts. Similar individual, organizational and institutional career barriers have been found in the Asian context. However, the institutional perspective seems to play a larger role in the representation of Asia...

  11. Dance in the British South Asian diaspora: redefining classicism

    OpenAIRE

    Lopez y Royo, Alessandra

    2004-01-01

    This paper discusses South Asian dance forms and genres in Britain, one of the major locations of the South Asian diaspora. It addresses issues of "classicism," "neoclassicism" and "contemporaneity" in South Asian dancing, particularly important as in the British context availability of public funding depends on the artists demonstrating an innovative engagement with their own practice. The author focuses, as a specific case study, on the work, Moham, choreographed and danced as a solo by bha...

  12. Modernity and Tradition in Shakespeare’s Asianization

    OpenAIRE

    Yang Lingui

    2013-01-01

    Do Marjorie Garber’s premises that Shakespeare makes modern culture and that modern culture makes Shakespeare apply to his reception in Asian contexts? Shakespeare’s Asianization, namely adaptation of certain Shakespeare elements into traditional forms of local cultures, seems to testify to his timelessness in timeliness. However, his statuses in modern Asia are much more complicated. The complexity lies not only in such a cross-cultural phenomenon as the Asianizing practice, but in the Shake...

  13. Supporting Asian patients with metastatic breast cancer during ixabepilone therapy.

    Science.gov (United States)

    Bourdeanu, Laura; Wong, Siu-Fun

    2010-05-01

    Ixabepilone is currently FDA-approved in metastatic breast cancer, and most patients in the registrational trials were Caucasian. Studies in Asian populations receiving other cytotoxic agents have revealed differential pharmacokinetics and clinical outcomes. As such, clinicians should understand the possible contributions of Asian ethnicity and culture to the clinical profile of ixabepilone. Studies in Asian patients receiving other chemotherapeutics reported altered toxicity profiles for myelosuppression, neurotoxicity and gastrointestinal symptoms. Encouragingly, the limited clinical data in Asian patients receiving ixabepilone suggest that efficacy and toxicity in these women resemble those reported in the ixabepilone registrational trials. The reader will better understand how Asian genetics and culture may influence treatment outcomes and patient attitudes toward therapy and interaction with caregivers. Management of ixabepilone-related adverse events is also discussed with an emphasis on special considerations for Asian patients. Awareness of possible altered drug response in Asian patients will aid clinicians in monitoring for toxicity, recognizing the need for dose modification and educating patients. Sensitivity to cultural aspects that are unique to Asians may improve adherence, reporting of adverse events and trust among Asian patients receiving ixabepilone.

  14. Production and application of radioisotopes in Asian Countries

    International Nuclear Information System (INIS)

    He Youfeng

    1997-01-01

    Production and application of radioisotopes in some Asian countries including Bangladesh, India, Indonesia, Iran, Japan, Republic of Korea, Malaysia, Pakistan, Philippines, Thailand, Uzbekistan, and Viet Nam are introduced

  15. 'It Was about Claiming Space': Exposure to Asian American Studies, Ethnic Organization Participation, and the Negotiation of Self among Southeast Asian Americans

    Science.gov (United States)

    Trieu, Monica M.

    2018-01-01

    Despite the growing number of Asian American Studies (AAS) programs and Asian ethnic organizations across colleges and universities since the 1970s, surprisingly little empirical research examines the role of these aspects of higher education on Asian American identity. How do the roles of AAS curriculum and Asian American student organizations…

  16. Child Physical Abuse Prevalence, Characteristics, Predictors, and Beliefs about Parent-Child Violence in South Asian, Middle Eastern, East Asian, and Latina Women in the United States

    Science.gov (United States)

    Maker, Azmaira H.; Shah, Priti V.; Agha, Zia

    2005-01-01

    The present study examined the prevalence, characteristics, beliefs, and demographic predictors of parent-child physical violence among South Asian, Middle Eastern, East Asian, and Latina women in the United States. Two hundred fifty-one college-educated women from a middle to high SES (South Asian/Middle Eastern, n = 93; East Asian, n = 72;…

  17. The Notion of Subject in South Asian Languages. South Asian Studies Publication Series, Number 2.

    Science.gov (United States)

    Verma, Manindra K., Ed.

    The following papers on subject in South Asian languages are compiled here: (1) "Subject in Sanskrit" by George Cardona; (2) "Is Sinhala a Subject Language? (or, How Restricted is Your PNP?)" by James W. Gair; (3) "Some Syntactic Reflexes of Sub-Categories of Agent in Hindi" by Peter Edwin Hook; (4) "The Notion…

  18. Issues of College Persistence between Asian and Asian Pacific American Students

    Science.gov (United States)

    Yeh, Theresa Ling

    2004-01-01

    This article offers an exploration of the Asian Pacific American (APA) ethnic groups that show high rates of departure, and presents strategies and approaches to improving their persistence and graduation rates. A detailed examination of the APA population is presented to identify the subgroups that are underrepresented in higher education and who…

  19. Bruce Lee vs. Fu Manchu: Kung Fu Films and Asian American Stereotypes in America.

    Science.gov (United States)

    Farquhar, Judith; Doi, Mary L.

    1978-01-01

    Discussed in this article are numerous films which feature Asian characters and the influence these films have on stereotyped images of Asians and prevailing racist attitudes toward Asian Americans. (EB)

  20. Zika virus from a Southeast Asian perspective

    Institute of Scientific and Technical Information of China (English)

    Nitwara Wikan; Duncan R. Smith

    2017-01-01

    Phylogenic evidence suggests that the strain of Zika virus causing an unprecedented outbreak of disease in the Americas had its origin in Southeast Asia, where reports of isolated cases of Zika virus infection have occurred since 2010. Why there has been no large outbreak of Zika infection in Southeast Asia remains unclear and whether such an outbreak will occur in the future is a question of significant concern. This review looks at Zika virus from a Southeast Asian perspective and highlights some of the possible scenarios with regards to Zika virus in this part of the world as well as highlighting some of the research questions that need to be urgently addressed.

  1. Impending conservation crisis for Southeast Asian amphibians.

    Science.gov (United States)

    Rowley, Jodi; Brown, Rafe; Bain, Raoul; Kusrini, Mirza; Inger, Robert; Stuart, Bryan; Wogan, Guin; Thy, Neang; Chan-Ard, Tanya; Trung, Cao Tien; Diesmos, Arvin; Iskandar, Djoko T; Lau, Michael; Ming, Leong Tzi; Makchai, Sunchai; Truong, Nguyen Quang; Phimmachak, Somphouthone

    2010-06-23

    With an understudied amphibian fauna, the highest deforestation rate on the planet and high harvesting pressures, Southeast Asian amphibians are facing a conservation crisis. Owing to the overriding threat of habitat loss, the most critical conservation action required is the identification and strict protection of habitat assessed as having high amphibian species diversity and/or representing distinctive regional amphibian faunas. Long-term population monitoring, enhanced survey efforts, collection of basic biological and ecological information, continued taxonomic research and evaluation of the impact of commercial trade for food, medicine and pets are also needed. Strong involvement of regional stakeholders, students and professionals is essential to accomplish these actions.

  2. The Asian Model: A Crisis Foretold?

    OpenAIRE

    Singh, Ajit

    1998-01-01

    The East Asian countries achieved extraordinarily fast economic growth during the last four decades. Indeed, it would be no exaggeration to say that they represented the most successful case of rapid industrialisation and sustained economic growth in the history of mankind. An economy like South Korea’s was unequivocally industrially backward in the mid-1950s. Its per capita industrial output was at the time US$ 8 compared with US$ 7 for India and US$ 60 for Mexico. By mid 1990, the cou...

  3. Confucianism and the Asian Martial Traditions

    Directory of Open Access Journals (Sweden)

    C. Alexander Simpkins

    2012-07-01

    Full Text Available Confucianism has been foundational in the political and social life of many Asian countries. Its influence pervades institutions and practices at every level of human activity. Martial arts have also benefited from this philosophy, as the traditional Confucian legacy continues to influence modern practices. This article briefly highlights some key figures and events, describes relevant core concepts of Confucian philosophy, and then shows exemplary applications to martial arts today. Modern martial artists can gain understanding of the traditional Confucian insights that deepen the significance of contemporary martial arts.

  4. Trends in Asian diesel fuel quality

    International Nuclear Information System (INIS)

    Yamaguchi, N.D.

    2000-01-01

    An overview of the Asia-Pacific petrol and diesel markets is presented covering the diesel demand and quality in the sub regions of Australia/New Zealand, East Asia (Japan, China), South Asia, and Southeast Asia (Malaysia, Indonesia, Thailand, Philippines, Singapore) and the trend towards lower sulphur diesels in Asia. Plots are presented illustrating Asia-Pacific diesel demand by regional submarket (1985-2005), the steady reductions in Asia-Pacific diesel sulphur levels (1990-2000), and the average sulphur content and tpd sulphur in Asian diesel

  5. A vision for the Asian battery industry

    Science.gov (United States)

    Billard, G.

    A very positive future is forecast for the battery manufacturing industry in Asia, and for the further development of sustainable and profitable long-term markets. In detail, it is argued that the lead/acid battery has a longer and more promising future than its detractors would like others to believe; that the supply of lead will remain fairly stable in both quantity and price; and that the regulatory and environmental pressures in other parts of the world can be turned to favour Asian manufacture, and to increase the global market share of the region.

  6. Asian monsoon variability, cyclicities, and forcing mechanisms

    Digital Repository Service at National Institute of Oceanography (India)

    Naidu, P.D.

    in monsoonal intensity from 5 to 2Ma. Uplift of the Himalayas and the Tibetan Plateau occurred coeval with the increase in strength of the Asian Monsoon between 9.5 and 5Ma. Variability of monsoon on glacial and interglacial time scale Multi proxy based... in the Western Ghats of India 131 Fig. 3. Multi proxy monsoon reconstructions show that summer monsoon strength was stronger during interglacials (shaded intervals) as compared to glacials 0 2 4 6 8 10 12 14 16 18 20 0 100 200 300 400 0 50...

  7. Objects of Worship in South Asian Religions

    DEFF Research Database (Denmark)

    Objects of worship are an aspect of the material dimension of lived religion in South Asia. The omnipresence of these objects and their use is a theme which cuts across the religious traditions in the pluralistic religious culture of the region. Divine power becomes manifest in the objects and fo...... objects of worship, the book contributes to an understanding of the central significance of these objects in the religious and social life of South Asia. It will be of interest to students and scholars of Religious Studies and South Asian Religion, Culture and Society....

  8. Institute of Industrial Engineers Asian Conference 2013

    CERN Document Server

    Tsao, Yu-Chung; Lin, Shi-Woei

    2013-01-01

    This book is based on the research papers presented during The Institute of Industrial Engineers Asian Conference 2013 held at Taipei in July 2013. It presents information on the most recent and relevant research, theories and practices in industrial and systems engineering. Key topics include: Engineering and Technology Management Engineering Economy and Cost Analysis Engineering Education and Training Facilities Planning and Management Global Manufacturing and Management Human Factors Industrial & Systems Engineering Education Information Processing and Engineering Intelligent Systems Manufacturing Systems Operations Research Production Planning and Control Project Management Quality Control and Management Reliability and Maintenance Engineering Safety, Security and Risk Management Supply Chain Management Systems Modeling and Simulation Large scale complex systems.

  9. Cracking the great Asian gas ring

    International Nuclear Information System (INIS)

    Anon.

    1998-01-01

    A regional gas pipeline network for South East Asia, proposed in 1996, linking Brunei, Indonesia, Malaysia, Thailand, the Philippines, Singapore and Vietnam, could solve the regions gas demand crisis, which has been gravely affected by the current economic collapse many Asian currencies are experiencing. Massive deposits of natural gas, located off the Island of Natuna could, if exploited, provide enough electricity and gas to fuel the whole of South East Asia and China. The collapse of local economies makes Western investment less likely and local initiatives are urged. (UK)

  10. Glucose abnormalities in Asian patients with chronic hepatitis C.

    Science.gov (United States)

    Bo, Qingyan; Orsenigo, Roberto; Wang, Junyi; Griffel, Louis; Brass, Clifford

    2015-01-01

    Many studies have demonstrated a potential association between type 2 diabetes (T2D) and hepatitis C virus infection in Western countries, while similar evidence is limited in Asia. We compared the prevalence of glucose abnormalities (impaired fasting glucose [IFG] and T2D) and their risk factors between Asian and non-Asian chronic hepatitis C (CHC) patients, and evaluated whether glucose abnormalities impacted the viral responses to peginterferon plus ribavirin treatment (current standard of care in most Asian countries). This study retrospectively analyzed data of 1,887 CHC patients from three Phase II/III studies with alisporivir (DEB025) as treatment for CHC. The chi-square test was used to compare the prevalence of IFG/T2D between Asian and non-Asian CHC patients, and logistic regression was used to adjust for sex, age, and cirrhosis status. Risk factors for IFG/T2D were evaluated using univariate and multivariate analysis. Our results indicated that the prevalence of IFG/T2D was high in both Asian and non-Asian CHC patients (23.0% vs 20.9%), and no significant difference was found between these two populations (adjusted odds ratio: 1.3, 95% confidence interval: 0.97, 1.7; P=0.08). Age, sex, and cirrhosis status were risk factors for IFG/T2D in both populations, while body mass index was positively associated with IFG/T2D in non-Asian but not in Asian participants. No significant differences in sustained virological response rates were seen between patients with normal fasting glucose and patients with IFG/T2D for both populations. These results demonstrate that the prevalence of glucose abnormalities in Asian CHC patients was similar to that in non-Asians, and glucose abnormalities had no impact on viral response to peginterferon plus ribavirin.

  11. Consensus on Changing Trends, Attitudes, and Concepts of Asian Beauty.

    Science.gov (United States)

    Liew, Steven; Wu, Woffles T L; Chan, Henry H; Ho, Wilson W S; Kim, Hee-Jin; Goodman, Greg J; Peng, Peter H L; Rogers, John D

    2016-04-01

    Asians increasingly seek non-surgical facial esthetic treatments, especially at younger ages. Published recommendations and clinical evidence mostly reference Western populations, but Asians differ from them in terms of attitudes to beauty, structural facial anatomy, and signs and rates of aging. A thorough knowledge of the key esthetic concerns and requirements for the Asian face is required to strategize appropriate facial esthetic treatments with botulinum toxin and hyaluronic acid (HA) fillers. The Asian Facial Aesthetics Expert Consensus Group met to develop consensus statements on concepts of facial beauty, key esthetic concerns, facial anatomy, and aging in Southeastern and Eastern Asians, as a prelude to developing consensus opinions on the cosmetic facial use of botulinum toxin and HA fillers in these populations. Beautiful and esthetically attractive people of all races share similarities in appearance while retaining distinct ethnic features. Asians between the third and sixth decades age well compared with age-matched Caucasians. Younger Asians' increasing requests for injectable treatments to improve facial shape and three-dimensionality often reflect a desire to correct underlying facial structural deficiencies or weaknesses that detract from ideals of facial beauty. Facial esthetic treatments in Asians are not aimed at Westernization, but rather the optimization of intrinsic Asian ethnic features, or correction of specific underlying structural features that are perceived as deficiencies. Thus, overall facial attractiveness is enhanced while retaining esthetic characteristics of Asian ethnicity. Because Asian patients age differently than Western patients, different management and treatment planning strategies are utilized. This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to Table of Contents or the online Instructions to Authors www

  12. Plasmodium falciparum in vitro continuous culture conditions: A comparison of parasite susceptibility and tolerance to anti-malarial drugs throughout the asexual intra-erythrocytic life cycle.

    Science.gov (United States)

    Duffy, Sandra; Avery, Vicky M

    2017-12-01

    The continuous culture of Plasmodium falciparum is often seen as a means to an end, that end being to probe the biology of the parasite in question, and ultimately for many in the malaria drug discovery arena, to identify means of killing the parasite in order to treat malaria. In vitro continuous culture of Plasmodium falciparum is a fundamental requirement when undertaking malaria research where the primary objectives utilise viable parasites of a desired lifecycle stage. This investigation, and resulting data, compared the impact culturing Plasmodium falciparum long term (4 months) in different environmental conditions had on experimental outcomes and thus conclusions. The example presented here focused specifically on the effect culture conditions had on the in vitro tolerance of Plasmodium falciparum to standard anti-malarial drugs, including artemisinin and lumefantrine. Historical data from an independent experiment for 3D7-ALB (5% O 2 ) was also compared with that obtained from this study. We concluded that parasites cultured for several months in media supplemented with a serum substitute such as Albumax II ® or within hyperoxic conditions (21% O 2 ), demonstrate highly variable responses to artemisinin and lumefantrine but not all anti-malarial drugs, when compared to those cultured in human serum in combination with Albumax II ® under normoxic conditions (5% O 2 ) for the parasite. Copyright © 2017 The Authors. Published by Elsevier Ltd.. All rights reserved.

  13. Genotyping of Plasmodium falciparum using antigenic polymorphic markers and to study anti-malarial drug resistance markers in malaria endemic areas of Bangladesh

    Directory of Open Access Journals (Sweden)

    Akter Jasmin

    2012-11-01

    Full Text Available Abstract Background In the past many regions of Bangladesh were hyperendemic for malaria. Malaria control in the 1960s to 1970s eliminated malaria from the plains but in the Chittagong Hill Tracts remained a difficult to control reservoir. The Chittagong Hill Tracts have areas with between 1 and 10% annual malaria rates, predominately 90-95% Plasmodium falciparum. In Southeast Asia, multiplicity of infection for hypo-endemic regions has been approximately 1.5. Few studies on the genetic diversity of P. falciparum have been performed in Bangladesh. Anderson et al. performed a study in Khagrachari, northern Chittagong Hill Tracts in 2002 on 203 patients and found that parasites had a multiplicity of infection of 1.3 by MSP-1, MSP-2 and GLURP genotyping. A total of 94% of the isolates had the K76T Pfcrt chloroquine resistant genotype, and 70% showed the N86Y Pfmdr1 genotype. Antifolate drug resistant genotypes were high with 99% and 73% of parasites having two or more mutations at the dhfr or dhps loci. Methods Nested and real-time polymerase chain reaction (PCR methods were used to genotype P. falciparum using antigenic polymorphic markers and to study anti-malarial drug resistance markers in malaria endemic areas of Bangladesh. Results The analysis of polymorphic and drug resistant genotype on 33 paired recrudescent infections after drug treatment in the period 2004 to 2008 in the Chittagong Hill Tracts, which is just prior to countrywide provision of artemisinin combination therapy. Overall the multiplicity of infection for MSP-1 was 2.7 with a slightly smaller parasite diversity post-treatment. The 13 monoclonal infections by both GLURP and MSP-1 were evenly divided between pre- and post-treatment. The MSP-1 MAD block was most frequent in 66 of the samples. The prevalence of the K76T PfCRT chloroquine resistant allele was approximately 82% of the samples, while the resistant Pfmdr1 N86Y was present in 33% of the samples. Interestingly, the post

  14. Factors related to compliance to anti-malarial drug combination: example of amodiaquine/sulphadoxine-pyrimethamine among children in rural Senegal

    Directory of Open Access Journals (Sweden)

    Sow Diarietou

    2009-06-01

    Full Text Available Abstract Background The introduction of new anti-malarial treatment that is effective, but more expensive, raises questions about whether the high level of effectiveness observed in clinical trials can be found in a context of family use. The objective of this study was to determine the factors related to adherence, when using the amodiaquine/sulphadoxine-pyrimethamine (AQ/SP association, a transitory strategy before ACT implementation in Senegal. Methods The study was conducted in five rural dispensaries. Children, between two and 10 years of age, who presented mild malaria were recruited at the time of the consultation and were prescribed AQ/SP. The child's primary caretaker was questioned at home on D3 about treatment compliance and factors that could have influenced his or her adherence to treatment. A logistic regression model was used for the analyses. Results The study sample included 289 children. The adherence rate was 64.7%. Two risks factors for non-adherence were identified: the children's age (8–10 years (ORa = 3.07 [1.49–6.29]; p = 0.004; and the profession of the head of household (retailer/employee versus farmer (ORa = 2.71 [1.34–5.48]; p = 0.006. Previously seeking care (ORa = 0.28 [0.105–0.736], p=0.001] satisfaction with received information (ORa = 0.45 [0.24–0.84]; p = 0.013, and the quality of history taking (ORa = 0.38 [0.21–0.69]; p = 0.001 were significantly associated with good compliance. Conclusion The results of the study show the importance of information and communication between caregivers and health center staff. The experience gained from this therapeutic transition emphasizes the importance of information given to the patients at the time of the consultation and drug delivery in order to improve drug use and thus prevent the emergence of rapid drug resistance.

  15. Age-related pattern and monocyte-acquired haemozoin associated production of erythropoietin in children with severe malarial anaemia in Ghana.

    Science.gov (United States)

    Abugri, James; Tetteh, John Kweku Amissah; Oseni, Lateef Adebayo; Mensah-Brown, Henrietta Esi; Delimini, Rupert Kantunye; Obuobi, David Osei; Akanmori, Bartholomew Dicky

    2014-08-20

    -containing monocytes were relatively higher in severe malaria anaemia patients compared to those with uncomplicated malaria (p < 0.001). Age purportedly has a direct effect on background levels of erythropoietin. With corresponding decreased levels of erythropoietin in older children with the same degree of severe malarial anaemia, conceivably, the bone marrows of younger children with acute malaria may be less sensitive to erythropoietin.

  16. The mtDNA haplogroup P of modern Asian cattle: A genetic legacy of Asian aurochs?

    Science.gov (United States)

    Noda, Aoi; Yonesaka, Riku; Sasazaki, Shinji

    2018-01-01

    Background Aurochs (Bos primigenius) were distributed throughout large parts of Eurasia and Northern Africa during the late Pleistocene and the early Holocene, and all modern cattle are derived from the aurochs. Although the mtDNA haplogroups of most modern cattle belong to haplogroups T and I, several additional haplogroups (P, Q, R, C and E) have been identified in modern cattle and aurochs. Haplogroup P was the most common haplogroup in European aurochs, but so far, it has been identified in only three of >3,000 submitted haplotypes of modern Asian cattle. Methodology We sequenced the complete mtDNA D-loop region of 181 Japanese Shorthorn cattle and analyzed these together with representative bovine mtDNA sequences. The haplotype P of Japanese Shorthorn cattle was analyzed along with that of 36 previously published European aurochs and three modern Asian cattle sequences using the hypervariable 410 bp of the D-loop region. Conclusions We detected the mtDNA haplogroup P in Japanese Shorthorn cattle with an extremely high frequency (83/181). Phylogenetic networks revealed two main clusters, designated as Pa for haplogroup P in European aurochs and Pc in modern Asian cattle. We also report the genetic diversity of haplogroup P compared with the sequences of extinct aurochs. No shared haplotypes are observed between the European aurochs and the modern Asian cattle. This finding suggests the possibility of local and secondary introgression events of haplogroup P in northeast Asian cattle, and will contribute to a better understanding of its origin and genetic diversity. PMID:29304129

  17. The mtDNA haplogroup P of modern Asian cattle: A genetic legacy of Asian aurochs?

    Science.gov (United States)

    Noda, Aoi; Yonesaka, Riku; Sasazaki, Shinji; Mannen, Hideyuki

    2018-01-01

    Aurochs (Bos primigenius) were distributed throughout large parts of Eurasia and Northern Africa during the late Pleistocene and the early Holocene, and all modern cattle are derived from the aurochs. Although the mtDNA haplogroups of most modern cattle belong to haplogroups T and I, several additional haplogroups (P, Q, R, C and E) have been identified in modern cattle and aurochs. Haplogroup P was the most common haplogroup in European aurochs, but so far, it has been identified in only three of >3,000 submitted haplotypes of modern Asian cattle. We sequenced the complete mtDNA D-loop region of 181 Japanese Shorthorn cattle and analyzed these together with representative bovine mtDNA sequences. The haplotype P of Japanese Shorthorn cattle was analyzed along with that of 36 previously published European aurochs and three modern Asian cattle sequences using the hypervariable 410 bp of the D-loop region. We detected the mtDNA haplogroup P in Japanese Shorthorn cattle with an extremely high frequency (83/181). Phylogenetic networks revealed two main clusters, designated as Pa for haplogroup P in European aurochs and Pc in modern Asian cattle. We also report the genetic diversity of haplogroup P compared with the sequences of extinct aurochs. No shared haplotypes are observed between the European aurochs and the modern Asian cattle. This finding suggests the possibility of local and secondary introgression events of haplogroup P in northeast Asian cattle, and will contribute to a better understanding of its origin and genetic diversity.

  18. Asian Immigration: The View from the United States.

    Science.gov (United States)

    Gardner, Robert W.

    1992-01-01

    Examines contemporary Asian immigration to the United States from a U.S. perspective. Analyzes immigration policies and data on recent immigration from Asia. Discusses impacts concerning the United States and the immigrants themselves and speculates on future immigration. The composition of Asian immigration might change, and the number might…

  19. Marginality, Credibility, and Impression Management: The Asian Sociologist in America.

    Science.gov (United States)

    Unnithan, N. Prabha

    1988-01-01

    Relates personal experiences of a sociologist of Asian origin in an effort to illustrate problems inherent in the process of becoming accepted as an academic sociologist. Identifies important themes of marginality, credibility, and impression management. Points out ways in which the Asian sociologists can go about achieving credibility. (KO)

  20. The Asian typology of English: theoretical and methodological considerations

    NARCIS (Netherlands)

    Ansaldo, U.

    2009-01-01

    This paper looks at the emergence of Asian English varieties in terms of the evolution of new grammatical features. I propose that, in order to reach a thorough understanding of how the unique combination of grammatical features that define specific Asian Englishes come about, we must approach these

  1. Asian American Acculturation and Enculturation: Construct Clarification and Measurement Consolidation

    Science.gov (United States)

    Zhang, Shengying; Moradi, Bonnie

    2013-01-01

    An overview of the evolution of Asian American acculturation and enculturation theory and measurement is offered, focusing on major theoretical advancements and methodological issues that are salient for measuring these constructs. Informed by these considerations, an empirical approach is taken to clarifying the dimensions of Asian American…

  2. Coping Strategies for Managing Acculturative Stress among Asian International Students

    Science.gov (United States)

    Ra, Young-An; Trusty, Jerry

    2015-01-01

    This article examines the effects of specific coping strategies on managing acculturative stress and acculturation of Asian international students, based on a sample of 220 Asian international students in the U.S. The data were analyzed with hierarchical multiple regression using Baron and Kenny's (1986) mediation procedure. The results supported…

  3. Overweight, Body Image, and Depression in Asian and Hispanic Adolescents

    Science.gov (United States)

    Xie, Bin; Unger, Jennifer B.; Gallaher, Peggy; Johnson, C. Anderson; Wu, Qiaobing; Chou, Chih-Ping

    2010-01-01

    Objectives: To prospectively investigate associations between overweight and depressive symptoms in Asian and Hispanic adolescents. Methods: Data included 780 Hispanic and 375 Asian students. Structural equation model was used to prospectively explore moderation effects of gender, ethnicity, and acculturation on associations of overweight, body…

  4. Navigating Orientalism: Asian Women Faculty in the Canadian Academy

    Science.gov (United States)

    Mayuzumi, Kimine

    2015-01-01

    While individuals of note have been documented, there has been a paucity of research into the collective voices of Asian women faculty in higher education. To fill this gap, the study brings forward the narratives of nine Asian women faculty members in the Canadian academy who have roots in East Asia. Employing the concept of Orientalism within a…

  5. Asian American Women's Retrospective Reports of Their Sexual Socialization

    Science.gov (United States)

    Kim, Janna L.

    2009-01-01

    This study used qualitative research methods to investigate the sexual socialization experiences of young Asian American women, a group often overlooked in psychological research on sexuality. Focus group interviews were conducted with 30 ethnically diverse young Asian American women to explore their perceptions and interpretations of the direct…

  6. "Strangers" of the Academy: Asian Women Scholars in Higher Education

    Science.gov (United States)

    Li, Guofang, Ed.; Beckett, Gulbahar H., Ed.

    2006-01-01

    No less than other minorities, Asian women scholars are confronted with racial discrimination and stereotyping as well as disrespect for their research, teaching, and leadership, and are underrepresented in academia. In the face of such barriers, many Asian female scholars have developed strategies to survive and thrive. This book is among the…

  7. Breaking Barriers: An Asian-American Curriculum Unit.

    Science.gov (United States)

    Brombach, Catherine; Tice, Natasha Florey

    A 10-day curriculum is presented for upper elementary grades to explore who is in power on the local, state, and federal levels; and to investigate why so few Asian Americans are in power; and to confront personal prejudices and break stereotypes about Asian Americans. The 10 days are devoted to the following: (1) distinguishing between prejudice…

  8. Dimensions of Assertiveness in an Asian-American Student Population.

    Science.gov (United States)

    Fukuyama, Mary A.; Greenfield, Tom K.

    1983-01-01

    Analyzed components of assertiveness, assessed by the College Self-Expression Scale, for Asian-American (N=105) and Caucasian (N=135) students. Results showed a significant difference in full-scale assertion scores indicating lower levels of overall assertion in Asian Americans, interpreted as consistent with value differences between…

  9. Policy and Practice in Asian Distance Education | CRDI - Centre de ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    Policy and Practice in Asian Distance Education. Couverture du livre Policy and Practice in Asian Distance Education. Directeur(s) : Tian Belawati et Jon Baggaley. Maison(s) d'édition : SAGE, CRDI. 10 novembre 2010. ISBN : 9788132105626. 284 pages. e-ISBN : 9781552505038. Téléchargez le PDF · Téléchargez le ...

  10. Stopping the Silent Killer: Hepatitis B Among Asian Americans

    Centers for Disease Control (CDC) Podcasts

    This podcast discusses an underappreciated health threat to many Asians and Pacific Islanders in the United States: chronic infection with the hepatitis B virus. Dr. John Ward, director of CDC's Division of Viral Hepatitis, and Dr. Sam So, founder of the Asian Liver Center at Stanford University, address the importance of testing, vaccination, and care to prevent serious health consequences from this "silent" disease.

  11. Asian Megatrends and Management Education of Overseas Chinese

    Science.gov (United States)

    Johannesson, Jokull; Palona, Iryna

    2010-01-01

    Asian megatrends are necessitating the development of management education of ethnic groups like the overseas Chinese and, universities need to change accordingly. This article identifies five Asian megatrends and their impact on the management education of overseas Chinese. The megatrends are: the emergence of women in politics and business; a…

  12. Education and Recreation Activities of Older Asian Immigrants

    Science.gov (United States)

    Kim, Junhyoung; Dattilo, John; Heo, Jinmoo

    2011-01-01

    Older Asian immigrants experience a variety of challenges when attempting to adapt to life in a new society. Adjustment difficulties associated with cultural differences among older Asian immigrants and the host country may result in a certain levels of acculturative stress. This stress is negatively associated with health and quality of life. In…

  13. Education for, by, and of Asian/Pacific Americans, I.

    Science.gov (United States)

    Mizokawa, Donald T.; Morishima, James K.

    1980-01-01

    This report discusses several perspectives on Asian/Pacific Americans and the educational issues that relate to them. It begins by providing a definition of "Asian/Pacific American," an historical account of their immigration, and a discussion of minority status and cultural relativism. A number of studies and personal experiences that…

  14. Asian Pacific Basin: Ushering in the age of global technology

    International Nuclear Information System (INIS)

    Stinson, R.C.

    1987-01-01

    The one-way transfer of nuclear technology from the United States to the Asian countries now no longer applies. Technology transfer in the Asian Pacific Basin is now flowing both ways. This reversing of the flow of technology is discussed and the marketing of new technologies in the USA is considered. (U.K.)

  15. From Dependence to Autonomy. The Development of Asian Universities.

    Science.gov (United States)

    Altbach, Philip G., Ed.; Selvaratnam, Viswanathan, Ed.

    A collection of works on the development of Asian universities is presented, focusing on an aspect of higher education not previously analyzed: the contemporary impact of Western academic systems in Asia. Eleven papers fall into three sections following the introduction, "Twisted Roots: The Western Impact on Asian Higher Education," (P.…

  16. Parental Contributions to Southeast Asian American Adolescents' Well-Being

    Science.gov (United States)

    Ying, Yu-Wen; Han, Meekyung

    2008-01-01

    Informed by acculturation, ecological, and social capital theories, the study examined the contribution of parental acculturation, parental involvement, and intergenerational relationship to well-being in Southeast Asian American adolescents. Using data from the Children of Immigrants Longitudinal Study, 491 Southeast Asian American adolescents…

  17. Academic and Career Development: Rethinking Advising for Asian American Students

    Science.gov (United States)

    Kodama, Corinne M.; Huynh, Jill

    2017-01-01

    Academic and career development for Asian American students is complicated by cultural influences, interdependence with family, and racial stereotyping. This chapter highlights research, theory, and practice to help educators rethink traditional advising approaches to more appropriately work with Asian American students as they navigate their…

  18. Prevention and Intervention of Depression in Asian-American Adolescents

    Science.gov (United States)

    Dieu, Kim

    2016-01-01

    Depression is one of the most common psychological disorders experienced by adolescents. Research has shown depression rates are higher in Asian-American adolescents when compared to their European-American counterparts. This paper will investigate possible programs for preventing and responding to Asian-American youths' depression through a…

  19. School Climate, Discrimination, and Depressive Symptoms among Asian American Adolescents

    Science.gov (United States)

    Wang, Cixin; Atwal, Kavita

    2015-01-01

    The current study examined a multidimensional, developmental, and transactional model for depressive symptoms among Asian American adolescents using longitudinal data from 1,664 Asian American adolescents in the Children of Immigrants Longitudinal Study (CILS). Specifically, the relationships among school climate, acculturation, perceived…

  20. Clinically identified postpartum depression in Asian American mothers.

    Science.gov (United States)

    Goyal, Deepika; Wang, Elsie J; Shen, Jeremy; Wong, Eric C; Palaniappan, Latha P

    2012-01-01

    To identify the clinical diagnosis rate of postpartum depression (PPD) in Asian American subgroups (Asian Indian, Chinese, Filipino, Japanese, Korean, Vietnamese) compared to non-Hispanic Whites. Cross-sectional study using electronic health records (EHR). A large, outpatient, multiservice clinic in Northern California. A diverse clinical population of non-Hispanic White (N = 4582), Asian Indian (N = 1264), Chinese (N = 1160), Filipino (N = 347), Japanese (N = 124), Korean (N = 183), and Vietnamese (N = 147) mothers. Cases of PPD were identified from EHRs using physician diagnosis codes, medication usage, and age standardized for comparison. The relationship between PPD and other demographic variables (race/ethnicity, maternal age, delivery type, marital status, and infant gender) were examined in a multivariate logistic regression model. The PPD diagnosis rate for all Asian American mothers in aggregate was significantly lower than the diagnosis rate in non-Hispanic White mothers. Moreover, of the six Asian American subgroups, PPD diagnosis rates for Asian Indian, Chinese, and Filipino mothers were significantly lower than non-Hispanic White mothers. In multivariate analyses, race/ethnicity, age, and cesarean were significant predictors of PPD. In this insured population, PPD diagnosis rates were lower among Asian Americans, with variability in rates across the individual Asian American subgroups. It is unclear whether these lower rates are due to underreporting, underdiagnosis, or underutilization of mental health care in this setting. © 2012 AWHONN, the Association of Women's Health, Obstetric and Neonatal Nurses.

  1. Spirituality of South Asian Women: Implications for Adult Learning.

    Science.gov (United States)

    Marshall, Jody L.

    The implications of the spirituality of South Asian women for adult learning were examined through semistructured interviews of five South Asian women who resided in Canada. The women, who included students, working professionals, mothers, and single women, originated from Nepal, India, Pakistan, and Sri Lanka and were from Hindu, Moslem, and…

  2. Openness and Quality in Asian Distance Education Technology ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    Information and communication technology (ICT)-based distance education programs or e-learning have been effective in increasing access to educational ... Openness and quality in Asian distance education : sub-project 7; a study of the current state of play in the use of open educational resources in the Asian region.

  3. Asian American Transfer Students: The Intersection of Race & Class

    Science.gov (United States)

    Lui, Joyce

    2013-01-01

    There has been a limited body of research on Asian American students, specifically regarding community college attendance and the transfer process. The purpose of this qualitative study was to explore and understand how Asian American transfer students navigate the community college, their transfer processes, as well as their post-transfer…

  4. Health status of Asians and Pacific Islanders.

    Science.gov (United States)

    Lum, O M

    1995-02-01

    The elder Asian or Pacific-Island American presents a dynamic, interactive paradigm of forces beyond medical practice that includes religious, societal, and historical factors of delivering health care. The cultural characteristics of family and function, perception of time and healing, and the anthropologic factors of health beliefs on health behaviors can add to understanding our medical patients. Some important trends of environmental factors on expression of genetic predisposition to certain illnesses, such as diabetes and gout, can be used in health prevention. The significance of diet on certain cancers can be better understood using nativity factors. Many of the mental illnesses borne by immigrants can be recognized and treated. Significant clinical research directions imply an ability of American medicine to target at-risk Asians and Pacific Islanders for specific prevention and early diagnoses. The base knowledge of differential physiologic changes for aging and disease due to genetic predisposition and the correlates of social, cultural, and behavioral factors of diseases can then be improved.

  5. Insightful problem solving in an Asian elephant.

    Directory of Open Access Journals (Sweden)

    Preston Foerder

    Full Text Available The "aha" moment or the sudden arrival of the solution to a problem is a common human experience. Spontaneous problem solving without evident trial and error behavior in humans and other animals has been referred to as insight. Surprisingly, elephants, thought to be highly intelligent, have failed to exhibit insightful problem solving in previous cognitive studies. We tested whether three Asian elephants (Elephas maximus would use sticks or other objects to obtain food items placed out-of-reach and overhead. Without prior trial and error behavior, a 7-year-old male Asian elephant showed spontaneous problem solving by moving a large plastic cube, on which he then stood, to acquire the food. In further testing he showed behavioral flexibility, using this technique to reach other items and retrieving the cube from various locations to use as a tool to acquire food. In the cube's absence, he generalized this tool utilization technique to other objects and, when given smaller objects, stacked them in an attempt to reach the food. The elephant's overall behavior was consistent with the definition of insightful problem solving. Previous failures to demonstrate this ability in elephants may have resulted not from a lack of cognitive ability but from the presentation of tasks requiring trunk-held sticks as potential tools, thereby interfering with the trunk's use as a sensory organ to locate the targeted food.

  6. Summation by Asian Elephants (Elephas maximus

    Directory of Open Access Journals (Sweden)

    Naoko Irie

    2012-03-01

    Full Text Available Recent empirical evidence for complex cognition in elephants suggests that greater attention to comparative studies between non-human primates and other animals is warranted. We have previously shown that elephants possess the ability to judge the difference between two discrete quantities, and unlike other animals, their choice does not appear to be affected by distance or overall quantity. In this study, we investigated Asian elephants’ ability to perform summation, as exemplified by the ability to combine four quantities into two sums and subsequently compare them. We presented two discrete sums (3–7 to the elephants by baiting two buckets; they were loaded sequentially with two discrete quantities (1–5 pieces of food per bucket. All three elephants selected the larger grand sum significantly more often than the smaller grand sum. Moreover, their performance was not affected by either distance to the bait or the overall quantity evaluated. Studies report that the performance of other animal species on similar tasks declines as distance to the bait decreases and as the overall quantities evaluated increase. These results suggest that the numerical cognition of Asian elephants may be different from that of other animals, but further study is required to elucidate the differences precisely.

  7. East Asian Capital Markets: Integration and Convergence

    Directory of Open Access Journals (Sweden)

    Yana Valeryevna Dyomina

    2016-09-01

    Full Text Available The article examines the interdependence of East Asian stock and bond markets. Hierarchical cluster analysis of bond markets of ten regional countries shows that the most similar ones are the following: Indonesia, Malaysia, the Philippines and Singapore. In 2006-2009 Thailand also belonged with this group, however, since 2010 it is a separate cluster. The second cluster includes Hong Kong, the Republic of Korea and China, the third one - Japan, the fourth one - Vietnam. As for regional equity markets, the study shows that regional stock indices respond to the dynamics of American ones to a greater extent than to the dynamics of each other. In addition, Asian indices’ interconnection is chiefly negative. To assess stock indices’ convergence the author employs cluster analysis which divides 16 studied stock exchanges in 7 different groups. According to the obtained results, the author concludes that integration of regional capital markets is the long-term goal. Besides, markets’ integration will be easier and faster within clusters; inter-cluster mergers will be the next step. The basic problem here arises from the Japanese market, which, in the case of forced or ill-conceived program of events, will absorb all other markets or end up outside the integration processes

  8. Asian Urban Environment and Climate Change: Preface.

    Science.gov (United States)

    Hunt, Julian; Wu, Jianping

    2017-09-01

    The Asian Network on Climate Science and Technology (www.ancst.org), in collaboration with Tsinghua University, held a conference on environmental and climate science, air pollution, urban planning and transportation in July 2015, with over 40 Asian experts participating and presentation. This was followed by a meeting with local government and community experts on the practical conclusions of the conference. Of the papers presented at the conference a selection are included in this special issue of Journal of Environmental Science, which also reflects the conclusions of the Paris Climate meeting in Dec 2015, when the major nations of the world agreed about the compelling need to reduce the upward trend of adverse impacts associated with global climate change. Now is the time for urban areas to work out the serious consequences for their populations, but also how they should work together to take action to reduce global warming to benefit their own communities and also the whole planet! Copyright © 2017. Published by Elsevier B.V.

  9. Postpartum Depression Among Asian Indian Mothers.

    Science.gov (United States)

    Goyal, Deepika; Park, Van Ta; McNiesh, Susan

    2015-01-01

    To explore Asian Indian mothers' perspectives of postpartum depression (PPD) and mental health help-seeking behavior. Qualitative exploratory design. Using convenience sampling, postpartum mothers were recruited through flyers posted in public places and on social media sites. Postpartum depression risk was assessed with the Edinburgh Postnatal Depression Scale (EPDS) prior to qualitative interviews. Content analysis methods were used to extract themes from participant narratives. Twelve self-identified, married, Asian Indian mothers, aged between 29 and 40 years, living in Northern California, who gave birth to a healthy infant within the last 12 months, took part in this study. Scores on the EPDS indicated two participants were at an increased risk for developing PPD. Content analysis revealed two emerging themes: (1) Culture-specific postpartum practices and ceremonies and their role in maternal-infant postpartum recovery; and (2) Maternal mental health help-seeking behavior. Nurses taking care of women during the extended prenatal and postpartum period have the unique opportunity to build rapport with their patients which can offer a window of opportunity to educate and help dispel myths about PPD symptoms and treatment. To promote successful maternal-infant outcomes, PPD education should be initiated at the first prenatal appointment, continue during the pregnancy, and be incorporated into well-baby visits through the first postpartum year. Education should include signs and symptoms of PPD as well as importance of timely mental-health help-seeking.

  10. Insightful problem solving in an Asian elephant.

    Science.gov (United States)

    Foerder, Preston; Galloway, Marie; Barthel, Tony; Moore, Donald E; Reiss, Diana

    2011-01-01

    The "aha" moment or the sudden arrival of the solution to a problem is a common human experience. Spontaneous problem solving without evident trial and error behavior in humans and other animals has been referred to as insight. Surprisingly, elephants, thought to be highly intelligent, have failed to exhibit insightful problem solving in previous cognitive studies. We tested whether three Asian elephants (Elephas maximus) would use sticks or other objects to obtain food items placed out-of-reach and overhead. Without prior trial and error behavior, a 7-year-old male Asian elephant showed spontaneous problem solving by moving a large plastic cube, on which he then stood, to acquire the food. In further testing he showed behavioral flexibility, using this technique to reach other items and retrieving the cube from various locations to use as a tool to acquire food. In the cube's absence, he generalized this tool utilization technique to other objects and, when given smaller objects, stacked them in an attempt to reach the food. The elephant's overall behavior was consistent with the definition of insightful problem solving. Previous failures to demonstrate this ability in elephants may have resulted not from a lack of cognitive ability but from the presentation of tasks requiring trunk-held sticks as potential tools, thereby interfering with the trunk's use as a sensory organ to locate the targeted food.

  11. Child maltreatment among Asian Americans: characteristics and explanatory framework.

    Science.gov (United States)

    Fuhua Zhai; Qin Gao

    2009-05-01

    This article systematically reviews the characteristics of child maltreatment among Asian Americans and provides a theoretical explanatory framework. The reported rate of child maltreatment among Asian Americans is disproportionately low. A high rate of physical abuse and low rates of neglect and sexual abuse are found among Asian American victims. Some protective factors (e.g., the emphasis on family harmony and reputation and the indulgence to infants and toddlers) may lead to low probability of child maltreatment among Asian Americans. Some others (e.g., parental authority and beliefs in physical punishment) may be risk factors of child maltreatment, especially physical abuse. Meanwhile, many other coexisting factors (e.g., children's obedience to parents and families' invisibility to authorities) may prohibit child maltreatment from being disclosed. Therefore, the overall low reported rate of child maltreatment among Asian Americans may be a combination of low incidence and underreporting. Implications for practice and research are discussed.

  12. Asian carp behavior in response to static water gun firing

    Science.gov (United States)

    Layhee, Megan J.; Gross, Jackson A.; Parsley, Michael J.; Romine, Jason G.; Glover, David C.; Suski, Cory D.; Wagner, Tristany L.; Sepulveda, Adam J.; Gresswell, Robert E.

    2013-01-01

    The potential for invasion of Asian carp into the Great Lakes has ecological and socio-economic implications. If they become established, Asian carp are predicted to alter lake ecosystems and impact commercial and recreational fisheries. The Chicago Sanitary and Shipping Canal is an important biological conduit between the Mississippi River Basin, where invasive Asian carp are abundant, and the Great Lakes. Millions of dollars have been spent to erect an electric barrier defense in the canal to prevent movement of Asian carp into the Great Lakes, but the need for additional fish deterrent technologies to supplement the existing barrier is warranted. Scientists with the U.S. Geological Survey Northern Rocky Mountain Science Center are examining seismic water gun technology, formerly used in oceanic oil exploration, as a fish deterrent. The goal of the current study is to employ telemetry and sonar monitoring equipment to assess the behavioral response of Asian carp to seismic water guns and the sound energy it generates.

  13. Asian International Graduate Students’ Extrinsic Motivation to Pursue Degrees

    Directory of Open Access Journals (Sweden)

    Naomi Takashiro

    2017-04-01

    Full Text Available The author examined the types of extrinsic motivation for Asian international graduate students pursuing graduate degrees. The theoretical framework used was extrinsic motivation within Self-Determination Theory. Even though the presence of Asian international graduate students is steadily increasing worldwide, research into their extrinsic motivation is scarce. It is important for educators to explore and understand Asian international graduate students’ extrinsic motivation since such students would provide unique, distinctive cultural aspects in the classroom in their host countries. The research design employed was qualitative. Semi-structured interviews were conducted with 10 graduate students from four Asian countries. The identified themes were a faculty influence, b personal recognition, and c utility for careers. Asian international graduate students expressed that their ultimate extrinsic motivation was to get professional jobs in academia. The author discussed the implications of these findings for instructors.

  14. Sita's Trousseau: restorative justice, domestic violence, and South Asian culture.

    Science.gov (United States)

    Goel, Rashmi

    2005-05-01

    This article focuses on the particular cultural factors that affect South Asian women who are abused and immigrant South Asian women who are abused, in particular, in the restorative justice process. By exploring cultural practices and the icon of Sita, the mythological heroine of the Ramayana, this article demonstrates how the South Asian ideals of womanhood and wifehood help to create a mind-set whereby South Asian women are reluctant to advocate for themselves and are reluctant to leave. Such a condition is contrary to the conditions and abilities assumed by the restorative justice movement for dispute resolution, inside or outside of domestic violence. It is concluded that restorative justice options are ill-suited to application among immigrant South Asian communities for domestic violence cases.

  15. Commentary: An Asian Americanist Perspective on Child Development.

    Science.gov (United States)

    Lee, Richard M; Y J Kim, Adam; Zhou, Xiang

    2016-07-01

    In this commentary, we put forth an Asian Americanist perspective on child development that frames, expands upon, and at times challenges the contextual, conceptual, and methodological ideas put forward by Kiang et al., Mistry et al., and Yoshikawa et al. (this volume). This Asian Americanist perspective draws upon scholarship in Asian American Studies and critical race theory to bridge the historical, conceptual, and methodological contributions of the three articles. We also aim to challenge current and future generations of scholars studying Asian American child development to look at Asian American youth and families as autonomous, self-determining agents who are capable of challenging, resisting, and affecting change in a racialized society. © 2016 The Authors. Child Development © 2016 Society for Research in Child Development, Inc.

  16. Asian Rhinoplasty: Preoperative Simulation and Planning Using Adobe Photoshop.

    Science.gov (United States)

    Kiranantawat, Kidakorn; Nguyen, Anh H

    2015-11-01

    A rhinoplasty in Asians differs from a rhinoplasty performed in patients of other ethnicities. Surgeons should understand the concept of Asian beauty, the nasal anatomy of Asians, and common problems encountered while operating on the Asian nose. With this understanding, surgeons can set appropriate goals, choose proper operative procedures, and provide an outcome that satisfies patients. In this article the authors define the concept of an Asian rhinoplasty-a paradigm shift from the traditional on-top augmentation rhinoplasty to a structurally integrated augmentation rhinoplasty-and provide a step-by-step procedure for the use of Adobe Photoshop as a preoperative program to simulate the expected surgical outcome for patients and to develop a preoperative plan for surgeons.

  17. Asian International Students’ Perceptions of their University Experience

    Directory of Open Access Journals (Sweden)

    Cody J. Perry

    2016-12-01

    Full Text Available Asian students make up the largest proportion of international students who study in the United States. Seeking a degree in higher education can be challenging for any student, but Asian students often encounter more obstacles to completion than many other international and domestic students. Culture, family and health concerns, and safety are some of the largest concerns that this study found among Asian students in the US. The study found that East-Asian international students had more issues than students from other parts of Asia and difficulty with the English language was of major importance to respondents. In addition, safety is an issue that Asian students were concerned with while studying in the US. The study was exploratory in nature and informs the field on future avenues of research.

  18. Asian Radiology Forum 2015 for Building an Asian Friendship: A Step toward the Vigorous Intersociety Collaboration in Asia

    Science.gov (United States)

    Kim, Ho Sung; Choi, Jung-Ah

    2016-01-01

    According to the reports presented at the Asian Radiology Forum 2015, organized by the Korean Society of Radiology (KSR) during the Korean Congress of Radiology (KCR) in September 2015 in Seoul, there is an increasing need to promote international exchange and collaboration amongst radiology societies in Asian countries. The Asian Radiology Forum was first held by KSR and the national delegates of Asian radiological partner societies, who attended this meeting with the aim of discussing selected subjects of global relevance in radiology. In 2015, current stands, pros and cons, and future plans for inter-society collaboration between each Asian radiological partner societies were primarily discussed. The Asian radiology societies have international collaborations with each other through various activities, such as joint symposia, exchange programs, social exchange, and international membership. The advantages of continuing inter-society collaboration in most of the Asian radiology societies include international speakers, diverse clinical research, and cutting edge technology; while limited range of financial and human resources, language barrier, differences in goals and expectations are claimed as disadvantages. With regard to the future, most of the Asian radiology societies focus on expanding partner societies and enhancing globalization and collaboration programs through various international meetings and exchange programs. PMID:26957902

  19. Asian radiology forum 2015 for building an Asian friendship: A step toward the vigorous intersociety collaboration in Asia

    International Nuclear Information System (INIS)

    Kim, Ho Sung; Choi, Jung Ah; Lee, Jong Min

    2016-01-01

    According to the reports presented at the Asian Radiology Forum 2015, organized by the Korean Society of Radiology (KSR) during the Korean Congress of Radiology (KCR) in September 2015 in Seoul, there is an increasing need to promote international exchange and collaboration amongst radiology societies in Asian countries. The Asian Radiology Forum was first held by KSR and the national delegates of Asian radiological partner societies, who attended this meeting with the aim of discussing selected subjects of global relevance in radiology. In 2015, current stands, pros and cons, and future plans for inter-society collaboration between each Asian radiological partner societies were primarily discussed. The Asian radiology societies have international collaborations with each other through various activities, such as joint symposia, exchange programs, social exchange, and international membership. The advantages of continuing inter-society collaboration in most of the Asian radiology societies include international speakers, diverse clinical research, and cutting edge technology; while limited range of financial and human resources, language barrier, differences in goals and expectations are claimed as disadvantages. With regard to the future, most of the Asian radiology societies focus on expanding partner societies and enhancing globalization and collaboration programs through various international meetings and exchange programs

  20. Asian and European American Cultural Values, Bicultural Competence, and Attitudes toward Seeking Professional Psychological Help among Asian American Adolescents

    Science.gov (United States)

    Omizo, Michael M.; Kim, Bryan S. K.; Abel, Nicholas R.

    2008-01-01

    The authors examined the extent to which Asian American adolescents who were living in Hawaii adhered to Asian and European American cultural values in relation to mental health variables including collective self-esteem (membership, private, public, importance to identity), cognitive flexibility, general self-efficacy, and attitudes toward…

  1. Selecting Children's Picture Books with Positive Chinese, Japanese, and Other Asian and Asian-American Fathers and Father Figures.

    Science.gov (United States)

    Heller, Craig; Cunningham, Bruce; Lee, Ginny; Heller, Hannah M.

    2000-01-01

    Discusses distinctive children's picture books that depict Asian fathers and other men who play significant roles in the lives of children. Books are grouped by theme, such as fairly tale versus real life, Asian immigration to North America, and discipline. Includes guidelines for selecting and evaluating books and appropriate classroom teaching…

  2. When the Asian Girl Speaks: A Comparative Analysis of Two Young Adult Novels in English Written by Asian Women

    Directory of Open Access Journals (Sweden)

    Lalaine Yanilla Aquino

    2011-12-01

    Full Text Available This paper analyzes two contemporary award winning young adult novels in English: Sing to the Dawn by Minfong Ho, and A Step from Heaven by An Na. Sing to the Dawn, published in Singapore, won first prize in the 1975 Council of Interracial Books for Children in New York; while A Step from Heaven, published in New York, won the 2002 Michael L. Printz Award. By using feminist and critical stylistics, this paper aims to answer the following questions: Do Asians retain their “voice” even when they write in English and live in foreign lands? Given this situation, how do they make their voice heard? How do the two women Asian writers represent the voice of their young female protagonists? Is the voice still distinctly Asian in spite of speaking in English and being written by Asian writers who have long lived in America? When the Asian girl speaks, who listens? Literally and figuratively speaking, has the Asian female finally found her voice?By answering these questions, this paper aims to identify at least some aspects of the Asian “voice” in English and determine the Asian female identity represented in the two young adult novels.

  3. Challenging the Model Minority Myth: Engaging Asian American Students in Research on Asian American College Student Experiences

    Science.gov (United States)

    Suyemoto, Karen L.; Kim, Grace S.; Tanabe, Miwa; Tawa, John; Day, Stephanie C.

    2009-01-01

    In this article, the authors introduce a method of understanding the experiences and needs of Asian American students on college campuses through the research process. Specifically, the authors offer a students-as-researchers approach to connect the transformative educational aims of Asian American studies to the scholarship, service, and lived…

  4. Prevalence of overweight and obesity in Asian American students using Asian specific criteria to determine weight classification

    Science.gov (United States)

    Individuals of Asian descent have been found to be at greater risk of developing conditions associated with obesity at lower BMI levels compared to other ethnic groups. As a result, new criteria have been developed to identify overweight and obesity in Asian populations. The purpose of the current s...

  5. Asian radiology forum 2015 for building an Asian friendship: A step toward the vigorous intersociety collaboration in Asia

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Ho Sung [Dept. of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul (Korea, Republic of); Choi, Jung Ah [Dept. of Radiology, Hallym University College of Medicine, Hallym University Dongtan Sacred Heart Hospital, Hwaseong (Korea, Republic of); Lee, Jong Min [Dept. of Radiology and Biomedical Engineering, School of Medicine, Kyungpook National University, Daegu (Korea, Republic of)

    2016-04-15

    According to the reports presented at the Asian Radiology Forum 2015, organized by the Korean Society of Radiology (KSR) during the Korean Congress of Radiology (KCR) in September 2015 in Seoul, there is an increasing need to promote international exchange and collaboration amongst radiology societies in Asian countries. The Asian Radiology Forum was first held by KSR and the national delegates of Asian radiological partner societies, who attended this meeting with the aim of discussing selected subjects of global relevance in radiology. In 2015, current stands, pros and cons, and future plans for inter-society collaboration between each Asian radiological partner societies were primarily discussed. The Asian radiology societies have international collaborations with each other through various activities, such as joint symposia, exchange programs, social exchange, and international membership. The advantages of continuing inter-society collaboration in most of the Asian radiology societies include international speakers, diverse clinical research, and cutting edge technology; while limited range of financial and human resources, language barrier, differences in goals and expectations are claimed as disadvantages. With regard to the future, most of the Asian radiology societies focus on expanding partner societies and enhancing globalization and collaboration programs through various international meetings and exchange programs.

  6. Solar Energy and the Western Asian Countries

    Science.gov (United States)

    De Morais Mendonca Teles, Antonio

    2016-07-01

    The Western Asian countries receive the most abundant solar radiation of the world. They also have enormous reserves of oil and natural gas. But the world reserves of those fuels will certainly diminish greatly as the worldwide demand for energy will increase steadily in the coming decades. And the suppliers of energy will have to contend with public concerns about the polluting effects of those fuels and the possible dangers of nuclear energy. Clearly a power source based on an non exhaustible and non-polluting fuel could be expected to find a role. It now appears that such a source is at hand in the solar energy. Here in this paper, under the principles in the United Nations' Agenda 21, we suggest to Western Asian countries, the study and own development of the following technologies based on solar energy; and comment about them: *photo-voltaic solar cell power plants - in the future, its cost per kilowatt-hour will probably be competitive as to other sources of electrical energy. A new technique, the solar non-imaging concentrator, with amorphous silicon-based thin films solar cells at the focus of the concentrators, can collect and intensify solar radiation far better than conventional concentrators do, thus reducing much more the cost; *bio-gas - using biological gas to produce energy and for heating/cooling purposes; *wind generation of electricity - it's nowadays, a non-expensive technique; *water pump for irrigation and human consuming, driving their power from photovoltaic cells; *and the study and own development of solar lasers for peaceful scientific studies. In this new kind of laser, the external necessary pumping energy comes from the high intensity of sunlight, produced with non-imaging concentrators. Solar lasers can give unexpected new great uses for mankind. Those achievements will require international cooperation and transfer of information, sustained research and development work, and some initial subsides by independent governments. Solar

  7. Current trends in malarial chemotherapy

    African Journals Online (AJOL)

    SERVER

    2008-02-19

    Feb 19, 2008 ... carried by mosquito while the asexual stage is carried by man. .... Mosquitoes are also are moving, highly adaptable and ... attacks because of its slow onset of action. .... history of adverse reactions to the combination drugs. It.

  8. Growing inter-Asian connections: Links, rivalries, and challenges in South Korean–Central Asian relations

    Directory of Open Access Journals (Sweden)

    Matteo Fumagalli

    2016-01-01

    Full Text Available The geopolitical context, which emerged from the collapse of the Soviet Union and the end of the Cold War, combined with Korea's growing economic prowess, enabled greater dynamism and diversification in Seoul's foreign policy-making. Growing pressure from energy-intensive economies coupled with new developments and investment in logistics and infrastructure has brought different parts of the Eurasian landmass closer together in recent years. Inter-Asian connections are especially growing. This article uses the case of deepening relations between Korea and the post-Soviet Central Asian republics as a vantage point to reflect on one such example of unfolding Asian inter-connectedness. In addition it sees Seoul's engagement in the region as a fitting example of Korea's broader ambitions to assert itself as a global economic player. The article shows that Korea's policy toward Central Asia has been primarily driven by energy needs and is defined by pragmatism. It finds that the economic dimension of the relationship has greatly overshadowed other aspects such as politics and security. In its pursuit of closer ties with the region Seoul has sought to turn structural weaknesses into added value and has attempted to develop a distinctive, non-threatening profile built around the lack of a political baggage and geopolitical ambitions, and the desire to share its experience of formerly impoverished turned leading economy. In turn, Central Asia's selective integration in the world economy has continued, also thanks to its ties with Korea. The Central Asian republics welcomed the opportunity to diversify their foreign relations, the sources of foreign investment and export routes. At the same time the opaque business environment, a leadership succession, which cannot be postponed for much longer, and Seoul's “no-strings attached” approach expose Korea to some risks as regime stability might not last forever.

  9. The Asian financial crisis and women.

    Science.gov (United States)

    1998-05-01

    This paper reports on the "Women's Roundtable Discussion on the Economic, Social, and Political Impacts of the Southeast Asian Financial Crisis" by the Gender Development Programme and Development Alternatives with Women for a New Era (DAWN), which was held in Manila, Philippines, on April 12-14, 1998. The purpose of the Women's Roundtable was to provide a forum for regional analysis of women workers, labor migration and trade policies, women's livelihoods, food security and social development, globalization, and adverse impacts of economic recession and inflation. Among the recommendations of the forum were that the impact of globalization on women should be monitored and that the analyses and concerns raised during the roundtable discussions should be disseminated through other regional and international platforms.

  10. First Asian regional congress on radiation protection

    Energy Technology Data Exchange (ETDEWEB)

    Kumar, S K [Bhabha Atomic Research Centre, Bombay (India). Library and Technical Information Section

    1975-12-01

    Due to the rapid progress in the development of nuclear energy and its applications in medicine, agriculture and industry, the potential danger to targe groups of population due to radiation hazards has increased. Thus, radiation protection has become an important aspects of industrial and public hygiene. The article reviews the deliberations of the First Asian Regional Congress on Radiation Protection which was held during 15-20 December 1974 at the Bhabha Atomic Research Centre. 190 papers were presented on the following broad subjects: (1) organization of radiation protection services on a countrywide scale and significant problems and experiences; (2) research and cooperation, mutual assistance, education and training; (3) personnel monitoring; (4) nuclear industry risks and benefits; (5) radiation protection legislation and (6) panel discussions and regional international cooperation in the field of radiation protection.

  11. First Asian regional congress on radiation protection

    International Nuclear Information System (INIS)

    Kumar, S.K.

    1975-01-01

    Due to the rapid progress in the development of nuclear energy and its applications in medicine, agriculture and industry, the potential danger to targe groups of population due to radiation hazards has increased. Thus, radiation protection has become an important aspects of industrial and public hygiene. The article reviews the deliberations of the First Asian Regional Congress on Radiation Protection which was held during 15-20 December 1974 at the Bhabha Atomic Research Centre. 190 papers were presented on the following broad subjects: (1) organization of radiation protection services on a countrywide scale and significant problems and experiences; (2) research and cooperation, mutual assistance, education and training; (3) personnel monitoring; (4) nuclear industry risks and benefits; (5) radiation protection legislation and (6) panel discussions and regional international cooperation in the field of radiation protection. (S.K.K.)

  12. Gulf producers and Asian markets: the links

    International Nuclear Information System (INIS)

    Hisatake, Masato

    1999-01-01

    The paper discusses the growing links between Asia and the Middle East and focuses particularly on Japan's role. The recent problems in the Asian economy has not been helpful, but with recovery on the way it is expected that the link will resume steady growth. The paper leans heavily on the APEC (Asia Pacific Economic Cooperation) meeting hosted by the Japanese government in Okinawa in October 1998. The subjects discussed at the meeting were economic slowdown in Asia, energy infrastructure, energy security and environment. Some individual topics focused on are (i) energy supply and demand, (ii) oil imports (who buys from whom), (iii) the Japanese oil industry, (iv) increasing competition in the crude oil market, (v) natural gas and (vi) coal

  13. Northeast Asian economy cooperation: study on energy resource cooperation in Northeast Asian region

    Energy Technology Data Exchange (ETDEWEB)

    Chung, Woo Jin [Korea Energy Economics Institute, Euiwang (Korea)

    1999-12-01

    In Northeast Asian region, there are East Russia with abundant resources, Japan a large energy consumption country, Korea and China with rapidly increasing energy consumption due to their economic development, but the utilization rate of East Russian resources are very low and the resource trading and investment among Korea, China and Japan are also low. Korea and Japan use most of energy imported from Middle East. It is expected that import of petroleum and gas except coal will be increasing in China and most of imported energy will be imported mainly from the Middle East. For Korea, with not much energy resources and foreign-oriented economic system, if investment on resource development among Northeast Asian countries is active and energy transportation among these countries is liberalized, the enhancement of energy cooperation in Northeast Asia has a high possibility to provide North and South Korean energy cooperation as well as to secure energy security and to develop energy industry. Therefore, Korean government needs to promote Northeast Asian energy cooperation by taking its lead. (author). 28 refs., 8 figs., 44 tabs.

  14. Depression and emotional reactivity: variation among Asian Americans of East Asian descent and European Americans.

    Science.gov (United States)

    Chentsova-Dutton, Yulia E; Chu, Joyce P; Tsai, Jeanne L; Rottenberg, Jonathan; Gross, James J; Gotlib, Ian H

    2007-11-01

    Studies of Western samples (e.g., European Americans [EAs]) suggest that depressed individuals tend to show diminished emotional reactivity (J. G. Gehricke & A. J. Fridlund, 2002; G. E. Schwartz, P. L. Fair, P. Salt, M. R. Mandel, & G. L. Klerman, 1976a, 1976b). Do these findings generalize to individuals oriented to other cultures (e.g., East Asian cultures)? The authors compared the emotional reactions (i.e., reports of emotional experience, facial behavior, and physiological reactivity) of depressed and nondepressed EAs and Asian Americans of East Asian descent (AAs) to sad and amusing films. Their results were consistent with previous findings: Depressed EAs showed a pattern of diminished reactivity to the sad film (less crying, less intense reports of sadness) compared with nondepressed participants. In contrast, depressed AAs showed a pattern of heightened emotional reactivity (greater crying) compared with nondepressed participants. Across cultural groups, depressed and nondepressed participants did not differ in their reports of amusement or facial behavior during the amusing film. Physiological reactivity to the film clips did not differ between depressed and control participants for either cultural group. Thus, although depression may influence particular aspects of emotional reactivity across cultures (e.g., crying), the specific direction of this influence may depend on prevailing cultural norms regarding emotional expression. (c) 2007 APA

  15. The Hmong Diaspora: preserved South-East Asian genetic ancestry in French Guianese Asians.

    Science.gov (United States)

    Brucato, Nicolas; Mazières, Stéphane; Guitard, Evelyne; Giscard, Pierre-Henri; Bois, Etienne; Larrouy, Georges; Dugoujon, Jean-Michel

    2012-01-01

    The Hmong Diaspora is one of the widest modern human migrations. Mainly localised in South-East Asia, the United States of America, and metropolitan France, a small community has also settled the Amazonian forest of French Guiana. We have biologically analysed 62 individuals of this unique Guianese population through three complementary genetic markers: mitochondrial DNA (HVS-I/II and coding region SNPs), Y-chromosome (SNPs and STRs), and the Gm allotypic system. All genetic systems showed a high conservation of the Asian gene pool (Asian ancestry: mtDNA=100.0%; NRY=99.1%; Gm=96.6%), without a trace of founder effect. When compared across various Asian populations, the highest correlations were observed with Hmong-Mien groups still living in South-East Asia (Fst<0.05; P-value<0.05). Despite a long history punctuated by exodus, the French Guianese Hmong have maintained their original genetic diversity. Copyright © 2012 Académie des sciences. Published by Elsevier SAS. All rights reserved.

  16. Cross-cultural comparison of neurobehavioral performance in Asian workers.

    Science.gov (United States)

    Chung, Jong-Hak; Sakong, Joon; Kang, Pock-Soo; Kim, Chang-Yoon; Lee, Kyeong-Soo; Jeon, Man-Joong; Sung, Nak-Jung; Ahn, Sang-Ho; Won, Kyu-Chang

    2003-08-01

    Widely-used neurobehavioral tests have been developed and standardized on Western populations, but studies on subject factors for Asian populations have been very limited. For the effective application and interpretation of neurobehavioral tests in Asian populations, an evaluation of the effects of subject factors, including cultural background, is necessary. A cross-cultural study was conducted to evaluate the effects of cultural background and the interaction between cultural background and education on neurobehavioral tests in Asian populations. The Korean version of the Swedish Performance Evaluation System (Simple Reaction Time, Symbol Digit, and Finger Tapping Speed) and a pegboard test were administered to 537 workers who were not exposed to chemicals at work from Fareast (Korea and Chinese), Central (Uzbekistan and Tajikistan), and South Asia (Sri Lanka and Indonesia). The Fareast Asian group exhibited better performance in adjusted test scores than other Asian groups, achieving significance for Symbol Digit and Finger Tapping Speed in both genders. The magnitude of the effect of cultural background on Symbol Digit was comparable to the effect of about 10 years of education. Cultural background did not modify the relation between years of education and Symbol Digit in either males or females. This study may provide the first evidence that cultural background has a large impact on neurobehavioral test performance, even within Asian populations, and suggests that cultural background is a critical confounding factor that must be controlled in epidemiologic studies which include Asian populations in the sample.

  17. Phenotypic expression of polycystic ovary syndrome in South Asian women.

    Science.gov (United States)

    Mehta, Jaya; Kamdar, Vikram; Dumesic, Daniel

    2013-03-01

    Polycystic ovary syndrome (PCOS) occurs in 6% to 10% of women and, as the most common worldwide endocrinopathy of reproductive-aged women, is linked to a constellation of reproductive and metabolic abnormalities, including anovulatory infertility, hirsutism, acne, and insulin resistance in association with metabolic syndrome. Despite a genetic component to PCOS, ethnicity plays an important role in the phenotypic expression of PCOS, with South Asian PCOS women having more severe reproductive and metabolic symptoms than other ethnic groups. South Asians with PCOS seek medical care at an earlier age for reproductive abnormalities; have a higher degree of hirsutism, infertility, and acne; and experience lower live birth rates following in vitro fertilization than do whites with PCOS. Similarly, South Asians with PCOS have a higher prevalence of insulin resistance and metabolic syndrome than do other PCOS-related ethnic groups of a similar body mass index. Inheritance of PCOS appears to have a complex genetic basis, including genetic differences based on ethnicity, which interact with lifestyle and other environmental factors to affect PCOS phenotypic expression. Obstetricians and Gynecologists, Family Physicians Learning Objectives: After completing this CME activity, physicians should be better able to state an ethnic difference in reproductive dysfunction between South Asian and white women with polycystic ovary syndrome (PCOS), state an ethnic difference in metabolic dysfunction between South Asian and white women with PCOS, identify a genetic abnormality found in South Asian women with PCOS, and list 2 environmental factors that predispose South Asian women to metabolic dysfunction.

  18. The Asian Taenia and the possibility of cysticercosis

    Science.gov (United States)

    V. Fuentes, Màrius

    2000-01-01

    In certain Asian countries, a third form of human Taenia, also known as the Asian Taenia, has been discovered. This Asian Taenia seems to be an intermediate between Taenia solium and T. saginata since in morphological terms it is similar to T. saginata, yet biologically, as it uses the same intermediate host (pigs), it is more akin to T. solium. Taenia solium causes human cysticercosis, while T. saginata does not. It is not known whether the Asian taeniid is able to develop to the larval stage in humans or not. The arguments proposed by those authors who consider it unlikely that the Asian Taenia causes human cysticercosis are: (a) its molecular similarities with T. saginata; (b) the absence of cases of human cysticercosis in populations where the Asian adult is highly prevalent; and (c) the unsupporting results derived from an experimental infestation study. These three arguments are debated, although bearing in mind that at present there is still no clear scientific data to support that human cysticercosis can be caused by the Asian Taenia. PMID:10743352

  19. Liminality, the Australian State and Asian Nurse Immigrants

    Directory of Open Access Journals (Sweden)

    E. M. Willis

    2014-05-01

    Full Text Available Over the last two decades the flow of Asians to Australia through legitimate immigration programs has accelerated. This is particularly the case for Asian nurses coming from countries that were once subjected to European colonisation. The difficulties encountered by nurses from Asian countries mirror those of earlier waves of migrants. These include navigating the language and differences in cultural mores, values, and beliefs, along with the loneliness that may come from leaving strong family ties at home. While racism has been evident for all earlier waves of migrants, Asians face an additional hurdle linked to the uneasy relationship Australians and the Australian state has with Asia. Australia is geographically in Asia, but culturally Anglo and European.  The impact this might have on the working relationships of Asian and Australian born registered nurses is significant given the nature of their work in caring for the sick and elderly. This liminal relationship between the Australian state and Asians provides a theoretical insight into the particular difficulties experienced by Asian nurses and the integration programs that might assist them and their Australian colleagues to develop cohesive working relationships.

  20. Medieval European medicine and Asian spices.

    Science.gov (United States)

    Nam, Jong Kuk

    2014-08-01

    This article aimed to explain the reasons why Asian spices including pepper, ginger, and cinnamon were considered as special and valuable drugs with curative powers in the Medieval Europe. Among these spices, pepper was most widely and frequently used as medicine according to medieval medical textbooks. We analyzed three main pharmacology books written during the Middle Ages. One of the main reasons that oriental spices were widely used as medicine was due to the particular medieval medical system fundamentally based on the humoral theory invented by Hippocrates and Galen. This theory was modified by Arab physicians and imported to Europe during the Middle Ages. According to this theory, health is determined by the balance of the following four humors which compose the human body: blood, yellow bile, black bile, and phlegm. Each humor has its own qualities such as cold, hot, wet, and dry. Humoral imbalance was one of the main causes of disease, so it was important to have humoral equilibrium. Asian spices with hot and dry qualities were used to balance the cold and wet European diet. The analysis of several major medical textbooks of the Middle Ages proves that most of the oriental spices with hot and dry qualities were employed to cure diverse diseases, particularly those caused by coldness and humidity. However, it should be noted that the oriental spices were considered to be much more valuable and effective as medicines than the local medicinal ingredients, which were not only easily procured but also were relatively cheap. Europeans mystified oriental spices, with the belief that they have marvelous and mysterious healing powers. Such mystification was related to the terrestrial Paradise. They believed that the oriental spices were grown in Paradise which was located in the Far East and were brought to the Earthly world along the four rivers flowing from the Paradise.

  1. Central Asian gas in Eurasian power game

    International Nuclear Information System (INIS)

    Cobanli, Onur

    2014-01-01

    Following the dissolution of the Soviet Union, various gas pipeline projects have been proposed to diversify transit routes and export markets of the landlocked Central Asian states. To evaluate the pipeline project's impact on the players' bargaining power, I apply the cooperate game theory to a quantitative model of the Eurasian gas trade and quantify the bargaining power structure via the Shapley value. Due to ample production capacities in Central Asia, I observe little strategic interaction between the West and China. Thus, demand competition with China is not necessarily a disadvantage for the West, and the Turkmenistan–China pipeline does not affect the impact of the westbound projects aiming Europe and Turkey. For Turkmenistan, i.e., the main supplier in the region, a link via the Caspian Sea to Turkey is the most beneficial westbound option. Although the projects carrying gas from Azerbaijan and Turkmenistan to Europe enjoy the European Commission's political support, they yield marginal benefits to the European consumers. Thanks to its transit position, Turkey collects a large share of the benefits in the East–West gas trade. - Highlights: • The Eurasian gas trade is represented as a cooperative game which is solved with the Shapley value. • There is no demand competition between the West and China for Central Asian gas. • For Turkmenistan the route via the Caspian Sea is the most beneficial westbound pipeline option. • Turkey emerges as a transit country and collects a large share of the benefits from the East–West gas trade. • A link to Europe yields marginal benefits to Turkmenistan and Europe

  2. Asian American mental health: a call to action.

    Science.gov (United States)

    Sue, Stanley; Yan Cheng, Janice Ka; Saad, Carmel S; Chu, Joyce P

    2012-10-01

    The U.S. Surgeon General's report Mental Health: Culture, Race, and Ethnicity--A Supplement to Mental Health: A Report of the Surgeon General (U.S. Department of Health and Human Services, 2001) was arguably the best single scholarly contribution on the mental health of ethnic minority groups in the United States. Over 10 years have now elapsed since its publication in 2001. This article highlights advances and illuminates gaps in the knowledge gained about the mental health and psychotherapeutic treatment of Asian Americans in the past decade. Though larger epidemiological surveys point to lower prevalence rates of mental illness in Asian Americans, further advances are needed in culturally valid assessment and quantification of cultural biases in symptom reporting in order to draw definitive conclusions about the state of Asian American mental health. A focus on prevalence in Asian Americans as a whole also shrouds important subgroup elevations such as heightened suicide risk in Asian elderly women or greater posttraumatic stress disorder in Southeast Asian refugees. Despite important developments in our knowledge about mental health prevalence, help-seeking behaviors, and culturally competent treatments for Asian Americans, it appears that troublingly low rates of service utilization still remain even when one accounts for the seemingly low prevalence rates among Asian Americans. Some progress has been made in the cultural adaptations of psychotherapy treatments for Asian Americans. In order to reduce mental health care disparities, greater efforts are needed to provide outreach at the community level and to bridge the gap between mental health and other medical or alternative health facilities. We call for innovation and provide recommendations to address these issues in the next decade.

  3. The Lived Experiences of Asian Americans Who Became Chief Executive Officers (CEOs) of California Community Colleges

    Science.gov (United States)

    Ramones, Eric

    2017-01-01

    The purpose of this phenomenological study was to explore the lived experiences of Asian Americans who became chief executive officers (CEOs) of a California Community College District. This study discussed the experiences, the influence of Asian culture, the perception of Asian Americans, and the challenges encountered by Asian American CEOs. To…

  4. Cultural Values, Counseling Stigma, and Intentions to Seek Counseling among Asian American College Women

    Science.gov (United States)

    Miville, Marie L.; Constantine, Madonna G.

    2007-01-01

    The authors explored the extent to which Asian American college women's perceived stigma about counseling mediated the relationship between their adherence to Asian cultural values and intentions to seek counseling, Participants, 201 Asian American college women (age range = 18-24 years), completed measures of Asian cultural values, perceived…

  5. Examining Factors Influencing Asian American and Latino American Students' College Choice

    Science.gov (United States)

    Wang-Yeung, Leilani Weichun

    2016-01-01

    This dissertation examines the gap in college enrollment between Asian Americans and Latino Americans regarding the effects of family and school factors, classifying them into the six ethnic/generational status groups (Asian American first generation, Asian American second generation, Asian American third generation and plus, Latino American first…

  6. Acculturation Strategies Among South Asian Immigrants: The Mediators of Atherosclerosis in South Asians Living in America (MASALA) Study.

    Science.gov (United States)

    Needham, Belinda L; Mukherjee, Bhramar; Bagchi, Pramita; Kim, Catherine; Mukherjea, Arnab; Kandula, Namratha R; Kanaya, Alka M

    2017-04-01

    In the past, epidemiologic research on acculturation and health has been criticized for its conceptual ambiguity and simplistic measurement approaches. This study applied a widely-used theoretical framework from cross-cultural psychology to identify acculturation strategies among South Asian immigrants in the US and to examine sociodemographic correlates of acculturation strategies. Data were from the Mediators of Atherosclerosis in South Asians Living in America study. We used latent class analysis to identify groups of individuals that were similar based on cultural attitudes and behaviors. We used latent class regression analysis to examine sociodemographic correlates of acculturation strategies. We found that South Asian immigrants employed three acculturation strategies, including separation (characterized by a relatively high degree of preference for South Asian culture over US culture), assimilation (characterized by a relatively high degree of preference for US culture over South Asian culture), and integration (characterized by a similar level of preference for South Asian and US cultures). Respondents with no religious affiliation, those with higher levels of income, those who lived a greater percentage of their lives in the US, and those who spoke English well or very well were less likely to use the separation strategy than the assimilation or integration strategies. Using epidemiologic cohort data, this study illustrated a conceptual and methodological approach that addresses limitations of previous research on acculturation and health. More work is needed to understand how the acculturation strategies identified in this study affect the health of South Asian immigrants in the US.

  7. Problems With the Collection and Interpretation of Asian-American Health Data: Omission, Aggregation, and Extrapolation

    OpenAIRE

    Holland, Ariel T.; Palaniappan, Latha P.

    2012-01-01

    Asian-American citizens are the fastest growing racial/ethnic group in the United States. Nevertheless, data on Asian American health are scarce, and many health disparities for this population remain unknown. Much of our knowledge of Asian American health has been determined by studies in which investigators have either grouped Asian-American subjects together or examined one subgroup alone (e.g., Asian Indian, Chinese, Filipino, Japanese, Korean, Vietnamese). National health surveys that co...

  8. Access Contested: Security, Identity, and Resistance in Asian ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    2011-09-30

    Sep 30, 2011 ... Book cover Access Contested: Security, Identity, and Resistance in Asian ... examines the interplay of national security, social and ethnic identity, and ... Burmese media, and distributed-denial-of-service attacks and other ...

  9. Building Effective Water Governance in the Asian Highlands | CRDI ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    Building Effective Water Governance in the Asian Highlands ... This project is funded through IDRC's Adaptation Research Initiative in Asia (ARI-Asia) ... Kunming Institute of Botany, Chinese Academy of Sciences as represented by Sun Hang.

  10. Race, Religion, and Spirituality for Asian American Students

    Science.gov (United States)

    Park, Julie J.; Dizon, Jude Paul Matias

    2017-01-01

    This chapter describes how race, ethnicity, religion, and spirituality uniquely interact for Asian American college students, including a discussion of the diverse religious and spiritual backgrounds of this population.

  11. New genes linked to lung cancer susceptibility in Asian women

    Science.gov (United States)

    An international group of scientists has identified three genes that predispose Asian women who have never smoked to lung cancer. The discovery of specific genetic variations, which have not previously been associated with lung cancer risk in other popul

  12. Across Seven Seas: Asians in the North East.

    Science.gov (United States)

    Ahmad, Rukhsana

    1990-01-01

    This account of two residencies in Northeastern England by a writer who conducted creative writing workshops for Asian immigrants touches upon conflicting ideologies, the richness of immigrant experience, and the problems of funding and publication of student writing. (SK)

  13. Teaching East and Southeast Asia through Asian Eyes

    Directory of Open Access Journals (Sweden)

    Tracy C. Barrett

    2014-06-01

    Full Text Available Colonialism and indigenous responses to its varied forms dominate modern Asian historiography and imbue the history of the region with rich and multifaceted connections to world history. As a result, the histories of East and Southeast Asian nation-states since 1500 cannot be viewed outside of the context of global affairs. Imagining Asian peoples and cultures during this time is problematic for students, who typically approach colonialism from a western perspective. This presentation explores various means of incorporating into the classroom pedagogical materials and diverse media sources that facilitate a more grounded examination of East and Southeast Asian colonies, peoples, and nation-states.It pays special attention to teaching colonialism, anti-colonialism, nationalism, and transnationalism from the perspective of Southeast Asia’s indigenous peoples.

  14. Building Effective Water Governance in the Asian Highlands | IDRC ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    This project seeks to facilitate effective water resource management in the Asian Highlands by integrating climate ... Journal articles ... Adaptation strategies for two Colombian cities were discussed at ADAPTO's second international workshop.

  15. The Roots and Implications of East Asian Regionalism

    National Research Council Canada - National Science Library

    Miller, John

    2004-01-01

    Regionalism in East Asia is driven by historical patterns of cooperation, the common challenge of the West, the century-long quest for an Asian identity, and growing economic interdependence and integration...

  16. Impact of Asian Dust on Climate and Air Quality

    Science.gov (United States)

    Chin, Mian; Tan, Qian; Diehl, Thomas; Yu, Hongbin

    2010-01-01

    Dust generated from Asian permanent desert and desertification areas can be efficiently transported around the globe, making significant radiative impact through their absorbing and scattering solar radiation and through their deposition on snow and ice to modify the surface albedo. Asian dust is also a major concern of surface air quality not only in the source and immediate downwind regions but also areas thousands of miles away across the Pacific. We present here a global model, GOCART, analysis of data from satellite remote sensing instrument (MODIS, MISR, CALIPSO, OMI) and other observations on Asian dust sources, transport, and deposition, and use the model to assess the Asian dust impact on global climate and air quality.

  17. Technological demands of meat processing-An Asian perspective.

    Science.gov (United States)

    Zhang, Wangang; Naveena, B Maheswarappa; Jo, Cheorun; Sakata, Ryoichi; Zhou, Guanghong; Banerjee, Rituparna; Nishiumi, Tadayuki

    2017-10-01

    A rapid increase in the economy, population, industrialization, and urbanization of Asian countries has driven the fast development of their meat industries over recent decades. This consistent increase in meat production and consumption in Asia has been the major cause for the development of the global meat industry. Meat production methods and consumption are very diverse across different regions and countries in Asia, and thus, it is impossible to cover the technological demands of all Asian countries in this review. Here, we have mainly highlighted the differences in meat production methods and consumption in Asia during recent decades and the meat technology demands of three east Asian countries, namely China, Korea, and Japan, and one south Asian country, India. A brief introduction of the meat industry, in particular the production and consumption trend in these countries, is provided in this article. The technology demands for fresh and processed meat products are then reviewed. Copyright © 2017. Published by Elsevier Ltd.

  18. Determination of genetic variability of Asian rice (Oryza sativa L ...

    African Journals Online (AJOL)

    PRECIOUS

    2009-11-02

    Nov 2, 2009 ... diversity and relationship among thirty-five Asian cultivars of rice including 19 aromatic, 13 non- ... are promising and effective tools for measuring genetic .... efficients were employed by using Simqual sub-program in similarity.

  19. FastStats: Health of Asian or Pacific Islander Population

    Science.gov (United States)

    ... Whooping Cough or Pertussis Family Life Marriage and Divorce Health Care and Insurance Access to Health Care ... 2015, table 1 [PDF – 2.7 MB] Leading causes of death for Asian or Pacific Islander population ...

  20. Asian and Pacific American Exceptional Children. A Conversation.

    Science.gov (United States)

    Decano, Pio

    1979-01-01

    Presented in the format of an imaginary dialogue between seven educators of Asian and Pacific American (APA) backgrounds, the article addresses some issues and concerns in the training of special education personnel to work with APA handicapped children. (DLS)

  1. How Asian Teachers Polish Each Lesson to Perfection.

    Science.gov (United States)

    Stigler, James W.; Stevenson, Harold W.

    1991-01-01

    Compares elementary mathematics instruction in Taiwan, Japan, Chicago, and Minneapolis. Finds that American teachers are overworked and devote less time to conducting lessons than Asian teachers, who employ proven inductive methods within the framework of standardized curricula. (DM)

  2. Technology helps Asian women balance family and work | IDRC ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    2010-10-26

    Oct 26, 2010 ... Technology helps Asian women balance family and work ... for instance, that provides homebound women with technical and business skills. ... books present the findings of IDRC-funded research exploring the impact of ...

  3. Glucose abnormalities in Asian patients with chronic hepatitis C

    Directory of Open Access Journals (Sweden)

    Bo Q

    2015-11-01

    Full Text Available Qingyan Bo,1 Roberto Orsenigo,2 Junyi Wang,1 Louis Griffel,3 Clifford Brass3 1Beijing Novartis Pharma Co. Ltd., Shanghai, People’s Republic of China; 2Novartis Pharma AG, Basel, Switzerland; 3Novartis Pharmaceuticals Corporation, East Hanover, NJ, USA Abstract: Many studies have demonstrated a potential association between type 2 diabetes (T2D and hepatitis C virus infection in Western countries, while similar evidence is limited in Asia. We compared the prevalence of glucose abnormalities (impaired fasting glucose [IFG] and T2D and their risk factors between Asian and non-Asian chronic hepatitis C (CHC patients, and evaluated whether glucose abnormalities impacted the viral responses to peginterferon plus ribavirin treatment (current standard of care in most Asian countries. This study retrospectively analyzed data of 1,887 CHC patients from three Phase II/III studies with alisporivir (DEB025 as treatment for CHC. The chi-square test was used to compare the prevalence of IFG/T2D between Asian and non-Asian CHC patients, and logistic regression was used to adjust for sex, age, and cirrhosis status. Risk factors for IFG/T2D were evaluated using univariate and multivariate analysis. Our results indicated that the prevalence of IFG/T2D was high in both Asian and non-Asian CHC patients (23.0% vs 20.9%, and no significant difference was found between these two populations (adjusted odds ratio: 1.3, 95% confidence interval: 0.97, 1.7; P=0.08. Age, sex, and cirrhosis status were risk factors for IFG/T2D in both populations, while body mass index was positively associated with IFG/T2D in non-Asian but not in Asian participants. No significant differences in sustained virological response rates were seen between patients with normal fasting glucose and patients with IFG/T2D for both populations. These results demonstrate that the prevalence of glucose abnormalities in Asian CHC patients was similar to that in non-Asians, and glucose abnormalities had

  4. South Asian populations in Canada: migration and mental health

    Science.gov (United States)

    2014-01-01

    Background South Asian populations are the largest visible minority group in Canada; however, there is very little information on the mental health of these populations. The objective of this study was to determine the prevalence rates and characteristics of mental health outcomes for South Asian first-generation immigrant and second-generation Canadian-born populations. Methods The Canadian Community Health Survey (CCHS) 2011 was used to calculate the estimated prevalence rates of the following mental health outcomes: mood disorders, anxiety disorders, fair-poor self-perceived mental health status, and extremely stressful life stress. The characteristics associated with these four mental health outcomes were determined through multivariate logistic regression analysis of merged CCHS 2007–2011 data. Results South Asian Canadian-born (3.5%, 95% CI 3.4-3.6%) and South Asian immigrant populations (3.5%, 95% CI 3.5-3.5%) did not vary significantly in estimated prevalence rates of mood disorders. However, South Asian immigrants experienced higher estimated prevalence rates of diagnosed anxiety disorders (3.4%, 95% CI 3.4-3.5 vs. 1.1%, 95% CI 1.1-1.1%) and self-reported extremely stressful life stress (2.6%, 95% CI 2.6-2.7% vs. 2.4%, 95% CI 2.3-2.4%) compared to their Canadian-born counterparts. Lastly, South Asian Canadian-born populations had a higher estimated prevalence rate of poor-fair self-perceived mental health status (4.4%, 95% CI 4.3-4.5%) compared to their immigrant counterparts (3.4%, 95% CI 3.3-3.4%). Different profiles of mental health determinants emerged for South Asian Canadian-born and immigrant populations. Female gender, having no children under the age of 12 in the household, food insecurity, poor-fair self-rated health status, being a current smoker, immigrating to Canada before adulthood, and taking the CCHS survey in either English or French was associated with greater risk of negative mental health outcomes for South Asian immigrant

  5. Is There a Role for the BRICS in Asian Affairs

    Directory of Open Access Journals (Sweden)

    Haibin Niu

    2015-05-01

    Full Text Available The BRICS is an important rising force in the current global governance system. Since 2009, the priorities for cooperationamong BRICS members have been reforming the major international financial institutions. In recent years, those prioritieshave extended to include international security and development issues. At the regional level, BRICS leaders have helddialogues with their counterparts in Africa and South America at the Durban and Fortaleza summits respectively. However,the BRICS has not paid much attention to Asian economic issues and security issues in East Asia. This weak and unbalancedagenda towards Asian affairs is unusual considering the importance of Asia to BRICS members and the presence inthe BRICS of of three prominent Asian members with global ambitions. The absence of a strong Asian agenda reflects somedimensions of the BRICS grouping and the region itself. First, the priority of the BRICS countries is to promote their globalstatus, which makes global issues more attractive than regional issues. Second, the Asian members of the BRICS cannotsolve Asian security challenges individually or collectively. Third, as a region, Asia is not a highly integrated similar toAfrica and South America, partly because competitions among major powers including the Asian members of the BRICS.However, the BRICS cannot avoid exploring its influence in shaping Asia’s future considering the region’s rising importanceand challenges. In order to improve their influence in Asia against the background of competing regional institutions andthe renewed interest of the United States in Asia, BRICS countries need to coordinate their individual approaches to Asia,provide more regional public goods by multilateral means, offer either solutions or ideas to regional security issues, and finda more sustainable way to engage with the region.Is There a Role for the BRICS in Asian Affairs

  6. The Chinese Economy and Income Inequality among East Asian Countries

    OpenAIRE

    Sumie Sato; Mototsugu Fukushige

    2010-01-01

    Using the Atkinson inequality measure of income distribution, we analyze the impact of China as a single country and examine the effect of its domestic income inequality on total income inequality among East Asian countries. First, we find that China's domestic income inequality exacerbated income inequality among East Asian countries from the 1980s, and this effect became even more pronounced from 1990. Second, the growth of China's per capita GDP had an equalizing effect on income distribut...

  7. Intercultural communication: Differences between Western and Asian perspective

    OpenAIRE

    Dang, Linh

    2016-01-01

    The thesis focused differences in intercultural communication from Western and Asian perspective. The goal of this thesis was to find the differences and similarities in business communication between Western and Asian culture. The theoretical part of this thesis was titled as intercultural communication. Definition of intercultural communication, culture’s influence on perception, obstacles in intercultural communication and inter-cultural communication competences were covered in this...

  8. Education and training on radiation safety for Asian countries

    International Nuclear Information System (INIS)

    Kitahara, Y.; Sakurai, N.; Kamei, M.

    1993-01-01

    The long-term program for development and Utilization of nuclear energy planned by Japan Atomic Energy Commission decided to promote the international corporation with Asian countries in nuclear fields. PNC (Power Reactor and Nuclear Fuel Development Corporation) has three programs in radiation safety field. They are STA program, JICA program and IAEA/RCA program. It is necessary to continue international cooperative activities to establish safety culture for development and utilization of nuclear energy in Asian countries

  9. Asian electricity: the growing commercialisation of power generation. Proceedings

    International Nuclear Information System (INIS)

    1993-01-01

    The seventeen papers presented by speakers at a conference on Asian Electricity in Singapore in May 1993 are collected together in this volume. The main unifying theme is the recourse to private finance to support the expansion in power generation which is necessary to sustain growth in a number of Asian countries. One paper, however, deals specifically with the future role of nuclear power in Asia. A separate abstract has been prepared for this paper. (UK)

  10. The Asian countries and the non-proliferation treaty prorogation

    International Nuclear Information System (INIS)

    Hoffmann, N.

    1995-01-01

    This work deals with the non-proliferation treaty prorogation of Asia. The position of the asian countries under the old non-proliferation treaty is given. It includes the 1968 non-proliferation treaty signatories, the calling in question again and the criticisms revealed by the asian countries. The positions and the open forecasts expressed on the non-proliferation treaty prorogation and the article on the elimination of the nuclear weapons are also given. (O.L.)

  11. The effects of contact with Asians and Asian Americans on White American college students: attitudes, awareness of racial discrimination, and psychological adjustment.

    Science.gov (United States)

    Dinh, Khanh T; Weinstein, Traci L; Nemon, Melissa; Rondeau, Sara

    2008-12-01

    On the basis of acculturation theory, explicating mutual influences between different cultural or ethnic groups coming into contact, this study focused "on the other side of acculturation" theory by examining the effects of intercultural contact with Asians and Asian Americans on the psychosocial experiences of White American college students. Participants (N = 315), undergraduates attending a public university located within the state of Massachusetts, completed a survey that assessed demographic and personal characteristics, acculturation (extent of intercultural contact with Asian people and Asian cultures), attitudes towards Asians and Asian Americans, awareness of institutional discrimination and blatant racial issues, and psychological distress. Results indicated that White American students' intercultural contact with Asians and Asian Americans contributed significant variance to the prediction of their attitudes towards this ethnic group and awareness of discrimination and racial issues, but not to psychological distress. This study provides implications for understanding mutual acculturative influences between different ethnic groups in the United States.

  12. Weighing in on the hidden Asian American obesity epidemic.

    Science.gov (United States)

    Yi, Stella S; Kwon, Simona C; Wyatt, Laura; Islam, Nadia; Trinh-Shevrin, Chau

    2015-04-01

    According to national estimates, obesity prevalence is lower in Asian Americans compared to other racial/ethnic groups, but this low prevalence may be misleading for three reasons. First, a lower body mass index (BMI) cutoff as proposed by the World Health Organization may be more appropriate to use in Asian populations. However, evidence is limited to substantiate the potential costs and burden of adopting these cutoffs. Increasing BMI in Asians (as in other racial/ethnic groups) should be considered across the spectrum of BMI, with a minimum awareness of these lower cutoffs among healthcare researchers. Second, the need for disaggregated data across Asian American subgroups is illustrated by the higher obesity (and diabetes) prevalence estimates observed in South Asian Americans. Third, prevalence of obesity should be placed in the larger context of immigration and globalization through cross-national comparisons and examination of acculturation-related factors. However these types of studies and collection of salient variables are not routinely performed. Data from a metropolitan area where many Asian Americans settle is presented as a case study to illustrate these points. Clear evidence that incorporates these three considerations is necessary for program planning and resource allocation for obesity-related disparities in this rapidly growing and diverse population. Copyright © 2015 Elsevier Inc. All rights reserved.

  13. Effective colorectal cancer education for Asian Americans: a Michigan program.

    Science.gov (United States)

    Wu, Tsu-Yin; Kao, John Y; Hsieh, Hsing-Fang; Tang, Yu-Ying; Chen, Judy; Lee, Janilla; Oakley, Deborah

    2010-06-01

    Asian Americans are among the fastest growing population groups in the USA. Despite the fact that colorectal cancer (CRC) is the second most common cancer for this group, Asian Americans have low CRC screening rates. An established health promotion program, Healthy Asian Americans Project (HAAP), expanded to include community-based CRC education during 2005-2006. Using Asian-language media, HAAP promoted awareness throughout local Asian Indian, Chinese, Filipino, Hmong, Japanese, Korean, and Vietnamese American communities and recruited men and women over 50 years to attend health fairs at local community/cultural centers. Evaluation data from 304 participants in an evidence-based educational intervention showed significantly increased knowledge and attitudes about the importance of screening. Follow-up conducted between 6 and 12 months showed that 78% of those receiving the educational intervention had been screened in the last 12 months, compared with the 37% who had ever been screened with any of the tests prior to the study. This community-based health promotion program reached underserved populations and the educational intervention improved CRC screening rates. This and similar programs may help lower CRC mortality among Asian Americans.

  14. Adipocytokine Associations with Insulin Resistance in British South Asians

    Directory of Open Access Journals (Sweden)

    D. R. Webb

    2013-01-01

    Full Text Available Aims. Adipocytokines are implicated in the pathogenesis of type 2 diabetes and may represent identifiable precursors of metabolic disease within high-risk groups. We investigated adiponectin, leptin, and TNF-α and assessed the contribution of these molecules to insulin resistance in south Asians. Hypothesis. South Asians have adverse adipocytokine profiles which associate with an HOMA-derived insulin resistance phenotype. Methods. We measured adipocytokine concentrations in south Asians with newly diagnosed impaired glucose tolerance or Type 2 Diabetes Mellitus in a case-control study. 158 (48.5% males volunteers aged 25–75 years with risk factors for diabetes but no known vascular or metabolic disease provided serum samples for ELISA and bioplex assays. Results. Total adiponectin concentration progressively decreased across the glucose spectrum in both sexes. A reciprocal trend in leptin concentration was observed only in south Asian men. Adiponectin but not leptin independently associated with HOMA-derived insulin resistance after logistic multivariate regression. Conclusion. Diasporic south Asian populations have an adverse adipocytokine profile which deteriorates further with glucose dysregulation. Insulin resistance is inversely associated with adiponectin independent of BMI and waist circumference in south Asians, implying that adipocytokine interplay contributes to the pathogenesis of metabolic disease in this group.

  15. Conflict management styles of Asian and Asian American nurses: implications for the nurse manager.

    Science.gov (United States)

    Xu, Yu; Davidhizar, Ruth

    2004-01-01

    Foreign nurses and American nurses who are culturally diverse make up an increasing number of the US nursing workforce. Of foreign nurses, Asians constitute the largest number. Conflict is an inevitable aspect of human relations in health care settings. Nurses and other health team members with diverse cultural background bring to the workplace different conflict behaviors that directly impact the outcomes of conflicts. It is essential for health care team members and managers to be cognizant of different conflict behaviors as well as different conflict management styles so that strategies can be designed to build a culturally diverse health care team that is able to effectively achieve group and organizational objectives.

  16. Food Safety Program in Asian Countries.

    Science.gov (United States)

    Yamaguchi, Ryuji; Hwang, Lucy Sun

    2015-01-01

    By using the ILSI network in Asia, we are holding a session focused on food safety programs in several Asian areas. In view of the external environment, it is expected to impact the global food system in the near future, including the rapid increase in food demand and in public health services due to population growth, as well as the threats to biosecurity and food safety due to the rapid globalization of the food trade. Facilitating effective information sharing holds promise for the activation of the food industry. At this session, Prof. Hwang shares the current situation of Food Safety and Sanitation Regulations in Taiwan. Dr. Liu provides a talk on the role of risk assessment in food regulatory control focused on aluminum-containing food additives in China. After the JECFA evaluation of aluminum-containing food additives in 2011, each country has carried out risk assessment based on dietary intake surveys. Ms. Chan reports on the activities of a working group on Food Standards Harmonization in ASEAN. She also explains that the ILSI Southeast Asia Region has actively supported the various ASEAN Working Groups in utilizing science to harmonize food standards. Prof. Park provides current research activities in Korea focused on the effect of climate change on food safety. Climate change is generally seen as having a negative impact on food security, particularly in developing countries. We use these four presentations as a springboard to vigorous discussion on issues related to Food Safety in Asia.

  17. Urban air quality in the Asian region

    Energy Technology Data Exchange (ETDEWEB)

    Hopke, Philip K. [Center for Air Resources Engineering and Science, Department of Chemical and Biomolecular Engineering, Clarkson University, Potsdam, NY 13699-5708 (United States)], E-mail: hopkepk@clarkson.edu; Cohen, David D. [Australian Nuclear Science and Technology Organisation (ANSTO), Physics Division, Private Mail Bag 1, Menai 2234, NSW (Australia); Begum, Bilkis A.; Biswas, Swapan K. [Bangladesh Atomic Energy Commission (BAEC), Atomic Energy Centre, Dhaka (AECD), P.O. Box 164, Dhaka (Bangladesh); Ni Bangfa [China Institute of Atomic Energy (CIAE), China National Nuclear Corp. (CNNC), P.O. Box 275-50, Beijing 102413 (China); Pandit, Gauri Girish [Bhabha Atomic Research Centre, Trombay, Mumbai 400085 (India); Santoso, Muhayatun [Center for Nuclear Technology of Material and Radiometry, National Nuclear Energy Agency (BATAN), Jl. Tamansari 71, Bandung 40132 (Indonesia); Chung, Yong-Sam [Hanaro Center, Korea Atomic Energy Research Institute (KAERI), 150 Dukjin-dong, Yusung-ku, P.O. Box 105, Daejon 305-600 (Korea, Republic of); Davy, Perry; Markwitz, Andreas [Institute of Geological and Nuclear Sciences (GNS), 30 Gracefield Road, P.O. Box 31-312, Lower Hutt (New Zealand); Waheed, Shahida; Siddique, Naila [Division of Nuclear Chemistry, PINSTECH, Pakistan Atomic Energy Commission (PAEC), P.O. Box 1482, Nilore, Islamabad (Pakistan); Santos, Flora L.; Pabroa, Preciosa Corazon B. [Philippine Nuclear Research Institute (PNRI), Commonwealth Avenue, Diliman, P.O. Box 213, Quezon City 1101 (Philippines); Seneviratne, Manikkuwadura Consy Shirani [Atomic Energy Authority, 60/460, Baseline Road, Orugodawatta, Wellampitiya (Sri Lanka); Wimolwattanapun, Wanna; Bunprapob, Supamatthree [Thailand Institute of Nuclear Technology (TINT), 16 Vibhavadi Rangsit Road, Bangkok 10900 (Thailand); Thu Bac Vuong [Centre for Radiation Protection, Institute of Nuclear Sciences and Technology, P.O. Box 5T-160, Cau Giay (Viet Nam)] (and others)

    2008-10-01

    Over the past decade, member states of the Regional Co-operation Agreement (RCA), an intergovernmental agreement for the East Asia and Pacific region under the auspices of the IAEA with the assistance of international organizations and financial institutions such as the World Bank and the Asian Development Bank, have started to set in place policies and legislation for air pollution abatement. To support planning and evaluate the effectiveness of control programs, data are needed that characterizes urban air quality. The focus of this measurement program describe in this report is on size segregated particulate air pollution. Such airborne particulate matter can have a significant impact on human health and urban visibility. These data provide the input to receptor models that may permit the mitigation of these impacts by identification and quantitative apportionment of the particle sources. The aim of this report is to provide an overview of the measurements of concentrations and composition of particulate air pollution in two size fractions across the participating countries. For many of the large cities in this region, the measured particulate matter concentrations are greater than air quality standards or guidelines that have been adopted in developed countries.

  18. Lessons Learned from Southeast Asian Floods

    Science.gov (United States)

    Osti, R.; Tanaka, S.

    2009-04-01

    At certain scales, flood has always been the lifeline of many people from Southeast Asian countries. People are traditionally accustomed to living with such floods and their livelihood is adjusted accordingly to optimize the benefits from the floods. However, large scale flood occasionally turns into the disaster and causes massive destruction not only in terms of human causalities but also damage to economic, ecological and social harmonies in the region. Although economic growth is prevailing in a relative term, the capacity of people to cope with such extreme events is weakening therefore the flood disaster risk is increasing in time. Recent examples of flood disaster in the region clearly show the increasing severity of disaster impact. This study reveals that there are many factors, which directly or indirectly influence the change. This paper considers the most prominent natural and socio-economic factors and analyzes their trend with respect to flood disasters in each country's context. A regional scale comparative analysis further helps to exchange the know how and to determine what kind of strategy and policy are lacking to manage the floods in a long run. It is also helpful in identifying the critical sectors that should be addressed first to mitigate the potential damage from the floods.

  19. Urban air quality in the Asian region

    International Nuclear Information System (INIS)

    Hopke, Philip K.; Cohen, David D.; Begum, Bilkis A.; Biswas, Swapan K.; Ni Bangfa; Pandit, Gauri Girish; Santoso, Muhayatun; Chung, Yong-Sam; Davy, Perry; Markwitz, Andreas; Waheed, Shahida; Siddique, Naila; Santos, Flora L.; Pabroa, Preciosa Corazon B.; Seneviratne, Manikkuwadura Consy Shirani; Wimolwattanapun, Wanna; Bunprapob, Supamatthree; Thu Bac Vuong

    2008-01-01

    Over the past decade, member states of the Regional Co-operation Agreement (RCA), an intergovernmental agreement for the East Asia and Pacific region under the auspices of the IAEA with the assistance of international organizations and financial institutions such as the World Bank and the Asian Development Bank, have started to set in place policies and legislation for air pollution abatement. To support planning and evaluate the effectiveness of control programs, data are needed that characterizes urban air quality. The focus of this measurement program describe in this report is on size segregated particulate air pollution. Such airborne particulate matter can have a significant impact on human health and urban visibility. These data provide the input to receptor models that may permit the mitigation of these impacts by identification and quantitative apportionment of the particle sources. The aim of this report is to provide an overview of the measurements of concentrations and composition of particulate air pollution in two size fractions across the participating countries. For many of the large cities in this region, the measured particulate matter concentrations are greater than air quality standards or guidelines that have been adopted in developed countries

  20. Comparison of East Asian winter monsoon indices

    Directory of Open Access Journals (Sweden)

    Gao Hui

    2007-01-01

    Full Text Available Four East Asian winter monsoon (EAWM indices are compared in this paper. In the research periods, all the indices show similar interannual and decadal-interdecadal variations, with predominant periods centering in 3–4 years, 6.5 years and 9–15 years, respectively. Besides, all the indices show remarkable weakening trends since the 1980s. The correlation coefficient of each two indices is positive with a significance level of 99%. Both the correlation analyses and the composites indicate that in stronger EAWM years, the Siberian high and the higher-level subtropical westerly jet are stronger, and the Aleutian low and the East Asia trough are deeper. This circulation pattern is favorable for much stronger northwesterly wind and lower air temperature in the subtropical regions of East Asia, while it is on the opposite in weaker EAWM years. Besides, EAWM can also exert a remarkable leading effect on the summer monsoon. After stronger (weaker EAWM, less (more summer precipitation is seen over the regions from the Yangtze River valley of China to southern Japan, while more (less from South China Sea to the tropical western Pacific.

  1. Asians seek end to girls' trafficking.

    Science.gov (United States)

    1997-01-01

    Each year, approximately 1 million Asian children under 18 years old, many of them female, become prostitutes. With regard to this problem, the Summit Foundation, the United Nations Population Fund, UNICEF, and the Centre for Development and Population Activities are sponsoring a conference entitled "Girls' Rights, Society's Responsibility: Taking Action Against Child Sexual Exploitation," on December 8-10, 1997, at the Nehru Centre, Worli, Bombay. Policy makers from government, the legal and police professions, corporations, the tourism industry, and grassroots organizations will attend. Representatives from Bangladesh, Bhutan, China, India, Maldives, Myanmar, Nepal, Pakistan, the Philippines, Sri Lanka, and Thailand will develop coordinated strategies to end the abuse. The experiences of community-based nongovernmental organizations will be used to develop approaches to prevent exploitation, provide surveillance, and rehabilitate girls who have been exploited. The Nehru Centre, Jet Airways, and the President Hotel of Bombay will provide support. Participants are to include the Ford Foundation, the John D. and Catherine T. MacArthur Foundation, UNIFEM, the World Health Organization, the World Bank, the US Agency for International Development (USAID), Oxfam, CIDA, SIDA, NORAD, and many corporations (Bata, Apeejay, Pepsi, Tata, Godrej, Mahindra and Mahindra, and hotel and tourist businesses).

  2. The All-Asian Women's Conference 1931:Indian women and their leadership of a pan-Asian feminist organisation

    OpenAIRE

    Mukherjee, Sumita

    2016-01-01

    In January 1931, the All-Asian Women's Conference (AAWC) convened in Lahore. Forty-five female delegates met to discuss common social and political concerns of women in Asia, such as infant mortality, suffrage, education and rights of inheritance. Organised by Indian women, along with the Irish Theosophist Margaret Cousins, the AAWC spoke to visions of pan-Asianism that were reflected by male Indian nationalists at the time. Keen to counteract the Euro-American centrism of international women...

  3. An encounter between critical Buddhism and Asian naturalism: can Asian naturalism be a tool in overcoming social discrimination?

    OpenAIRE

    Jeidong RYU

    2016-01-01

    Can their support of Asian naturalism be justified without any reserve? Some scholars of critical Buddhism movement, including Hakamaya Noriaki and Matsumoto Shiro, caution the danger of blindly supporting Asian Naturalism. Critical Buddhism movement began in Japan around the middle of 1980s, criticizing the social discrimination against oppressed people in Japan, and ascribing the cause of such discrimination to the idea of ‘a holistic harmony’ in Japan. According to Hakamaya Noriaki and Mat...

  4. Human papillomavirus vaccine initiation in Asian Indians and Asian subpopulations: a case for examining disaggregated data in public health research.

    Science.gov (United States)

    Budhwani, H; De, P

    2017-12-01

    Vaccine disparities research often focuses on differences between the five main racial and ethnic classifications, ignoring heterogeneity of subpopulations. Considering this knowledge gap, we examined human papillomavirus (HPV) vaccine initiation in Asian Indians and Asian subpopulations. National Health Interview Survey data (2008-2013), collected by the National Center for Health Statistics, were analyzed. Multiple logistic regression analysis was conducted on adults aged 18-26 years (n = 20,040). Asian Indians had high income, education, and health insurance coverage, all positive predictors of preventative health engagement and vaccine uptake. However, we find that Asian Indians had comparatively lower rates of HPV vaccine initiation (odds ratio = 0.41; 95% confidence interval = 0.207-0.832), and foreign-born Asian Indians had the lowest rate HPV vaccination of all subpopulations (2.3%). Findings substantiate the need for research on disaggregated data rather than evaluating vaccination behaviors solely across standard racial and ethnic categories. We identified two populations that were initiating HPV vaccine at abysmal levels: foreign-born persons and Asian Indians. Development of culturally appropriate messaging has the potential to improve these initiation rates and improve population health. Copyright © 2017 The Royal Society for Public Health. Published by Elsevier Ltd. All rights reserved.

  5. Age-dependent dose coefficients for tritium in Asian populations

    International Nuclear Information System (INIS)

    Trivedi, A.

    1999-10-01

    The International Commission on Radiological Protection (ICRP) Publications 56 (1989) and 67 (1993) have prescribed the biokinetic models and age-dependent dose coefficients for tritiated water and organically bound tritium. The dose coefficients are computed from values selected to specify the anatomical, morphological and physiological characteristics of a three-month-old, one-year-old, five-year-old, 10-year-old, 15-year-old and adult (Reference Man) Caucasian living in North America and Western Europe. However, values for Reference Man and other age groups are not directly applicable to Asians, because of differences in race, custom, dietary habits and climatic conditions. An Asian Man model, including five age groups, has been proposed by Tanaka and Kawamura (1996, 1998) for use in internal dosimetry. The basic concept of the ICRP Reference Man and the system describing body composition in ICRP Publication 23 (1975) were used. Reference values for Asians were given for the body weight and height, the mass of soft tissue, the mass of body water and the daily fluid balance, and are used to compute the dose coefficients for tritium. The age-dependent dose coefficients for Asians for tritiated water intakes are smaller by 20 to 30% of the currently prescribed values (Trivedi, 1998). The reduction in the dose coefficient values is caused by the increased daily fluid balance among Asians. The dose coefficient for tritiated water is 1.4 x 10 -11 Sv Bq -1 for Asian Man compared to 2.0 x 10 -11 Sv Bq -1 for Reference Man. The dose coefficients for organically bound tritium are only marginally different from those of the ICRP values. The dose coefficient for organically bound tritium for Asian Man is 4.0 x 10 -11 Sv Bq -11 compared to 4.6 x 10 -11 Sv Bq -1 for Reference Man. (author)

  6. Age-dependent dose coefficients for tritium in Asian populations

    Energy Technology Data Exchange (ETDEWEB)

    Trivedi, A

    1999-10-01

    The International Commission on Radiological Protection (ICRP) Publications 56 (1989) and 67 (1993) have prescribed the biokinetic models and age-dependent dose coefficients for tritiated water and organically bound tritium. The dose coefficients are computed from values selected to specify the anatomical, morphological and physiological characteristics of a three-month-old, one-year-old, five-year-old, 10-year-old, 15-year-old and adult (Reference Man) Caucasian living in North America and Western Europe. However, values for Reference Man and other age groups are not directly applicable to Asians, because of differences in race, custom, dietary habits and climatic conditions. An Asian Man model, including five age groups, has been proposed by Tanaka and Kawamura (1996, 1998) for use in internal dosimetry. The basic concept of the ICRP Reference Man and the system describing body composition in ICRP Publication 23 (1975) were used. Reference values for Asians were given for the body weight and height, the mass of soft tissue, the mass of body water and the daily fluid balance, and are used to compute the dose coefficients for tritium. The age-dependent dose coefficients for Asians for tritiated water intakes are smaller by 20 to 30% of the currently prescribed values (Trivedi, 1998). The reduction in the dose coefficient values is caused by the increased daily fluid balance among Asians. The dose coefficient for tritiated water is 1.4 x 10{sup -11} Sv Bq{sup -1} for Asian Man compared to 2.0 x 10{sup -11} Sv Bq{sup -1} for Reference Man. The dose coefficients for organically bound tritium are only marginally different from those of the ICRP values. The dose coefficient for organically bound tritium for Asian Man is 4.0 x 10{sup -11} Sv Bq{sup -11} compared to 4.6 x 10{sup -11} Sv Bq{sup -1} for Reference Man. (author)

  7. Trade Liberalization between Russia and East Asian Countries

    Directory of Open Access Journals (Sweden)

    Dmitriy Aleksandrovich Izotov

    2015-12-01

    Full Text Available Based on the international statistics data the author estimates effects of trade liberalization between Russia and East Asian countries. The prospective niche markets in mutual trade and the impact of trade liberalization on the national economies were identified. Using a partial equilibrium model the author indicates the following positive trade effects for Russia and East Asia: trade creation effect prevails over trade diversion effect; general welfare and mutual trade of the countries tend to increase. The Russian economy has positive trade effects with all the East Asian countries, with the highest scale in the case of Sino-Russian trade. At the same time trade liberalization has following some costs for the Russian economy: a the growing role of imports, mostly from China, compared to Russian exports; b reduction of tariff revenues, which are four times higher for Russia, compared to East Asian countries; c continued negative trade balance with the East Asian countries. The evaluation shows that the increase of Russian exports to East Asian countries is feasible only for certain commodity groups which determine marketable niches of specific East Asian countries; at the same time, Russia can import from East Asia a huge range of commodity groups. The study reveals that reduction in tariff measures and non- tariff restrictions will not lead to a massive increase in Russian exports and changing in its trade and geographical structure. On the basis of prolongation of short-term trends the author identifies long-term challenges and opportunities for the Russian economy from trade liberalization with East Asian countries. According to the estimation results, the author suggests that in the current environment of global trade liberalization the tariff measures become less significant as a tool for redistribution of commodity flows

  8. Borrowed beauty? Understanding identity in Asian facial cosmetic surgery.

    Science.gov (United States)

    Aquino, Yves Saint James; Steinkamp, Norbert

    2016-09-01

    This review aims to identify (1) sources of knowledge and (2) important themes of the ethical debate related to surgical alteration of facial features in East Asians. This article integrates narrative and systematic review methods. In March 2014, we searched databases including PubMed, Philosopher's Index, Web of Science, Sociological Abstracts, and Communication Abstracts using key terms "cosmetic surgery," "ethnic*," "ethics," "Asia*," and "Western*." The study included all types of papers written in English that discuss the debate on rhinoplasty and blepharoplasty in East Asians. No limit was put on date of publication. Combining both narrative and systematic review methods, a total of 31 articles were critically appraised on their contribution to ethical reflection founded on the debates regarding the surgical alteration of Asian features. Sources of knowledge were drawn from four main disciplines, including the humanities, medicine or surgery, communications, and economics. Focusing on cosmetic surgery perceived as a westernising practice, the key debate themes included authenticity of identity, interpersonal relationships and socio-economic utility in the context of Asian culture. The study shows how cosmetic surgery of ethnic features plays an important role in understanding female identity in the Asian context. Based on the debate themes authenticity of identity, interpersonal relationships, and socio-economic utility, this article argues that identity should be understood as less individualistic and more as relational and transformational in the Asian context. In addition, this article also proposes to consider cosmetic surgery of Asian features as an interplay of cultural imperialism and cultural nationalism, which can both be a source of social pressure to modify one's appearance.

  9. Disease and health management in Asian aquaculture.

    Science.gov (United States)

    Bondad-Reantaso, Melba G; Subasinghe, Rohana P; Arthur, J Richard; Ogawa, Kazuo; Chinabut, Supranee; Adlard, Robert; Tan, Zilong; Shariff, Mohamed

    2005-09-30

    Asia contributes more than 90% to the world's aquaculture production. Like other farming systems, aquaculture is plagued with disease problems resulting from its intensification and commercialization. This paper describes the various factors, providing specific examples, which have contributed to the current disease problems faced by what is now the fastest growing food-producing sector globally. These include increased globalization of trade and markets; the intensification of fish-farming practices through the movement of broodstock, postlarvae, fry and fingerlings; the introduction of new species for aquaculture development; the expansion of the ornamental fish trade; the enhancement of marine and coastal areas through the stocking of aquatic animals raised in hatcheries; the unanticipated interactions between cultured and wild populations of aquatic animals; poor or lack of effective biosecurity measures; slow awareness on emerging diseases; the misunderstanding and misuse of specific pathogen free (SPF) stocks; climate change; other human-mediated movements of aquaculture commodities. Data on the socio-economic impacts of aquatic animal diseases are also presented, including estimates of losses in production, direct and indirect income and employment, market access or share of investment, and consumer confidence; food availability; industry failures. Examples of costs of investment in aquatic animal health-related activities, including national strategies, research, surveillance, control and other health management programmes are also provided. Finally, the strategies currently being implemented in the Asian region to deal with transboundary diseases affecting the aquaculture sector are highlighted. These include compliance with international codes, and development and implementation of regional guidelines and national aquatic animal health strategies; new diagnostic and therapeutic techniques and new information technology; new biosecurity measures including

  10. Effective strategies for recruiting of Asian cancer patients in internet research.

    Science.gov (United States)

    Lim, Hyun Ju; Lin, Chia-Ju; Liu, Yi; Chee, Wonshik; Im, Eun-Ok

    2006-01-01

    This poster is aims to provide directions for effective strategies for recruiting Asian cancer patients in Internet study among Asian American cancer patients. In the study, we used four different strategies to recruit Asian cancer participants: (a) general and ethnic specific Internet cancer support groups; (b) Asian Internet communities/groups; (c) Asian physician clinics, Asian community and culture center; and (d) community consultants. The most effective recruitment strategy among them was the recruitment through community consultant. The findings support the importance of using key persons in ethnic minority communities to recruit ethnic minority participants.

  11. Delta-gamma-theta Hedging of Crude Oil Asian Options

    Directory of Open Access Journals (Sweden)

    Juraj Hruška

    2015-01-01

    Full Text Available Since Black-Scholes formula was derived, many methods have been suggested for vanilla as well as exotic options pricing. More of investing and hedging strategies have been developed based on these pricing models. Goal of this paper is to derive delta-gamma-theta hedging strategy for Asian options and compere its efficiency with gamma-delta-theta hedging combined with predictive model. Fixed strike Asian options are type of exotic options, whose special feature is that payoff is calculated from the difference of average market price and strike price for call options and vice versa for the put options. Methods of stochastic analysis are used to determine deltas, gammas and thetas of Asian options. Asian options are cheaper than vanilla options and therefore they are more suitable for precise portfolio creation. On the other hand their deltas are also smaller as well as profits. That means that they are also less risky and more suitable for hedging. Results, conducted on chosen commodity, confirm better feasibility of Asian options compering with vanilla options in sense of gamma hedging.

  12. Cultural considerations for South Asian women with breast cancer.

    Science.gov (United States)

    Bedi, Manveen; Devins, Gerald M

    2016-02-01

    Cultural values shape a woman's experience of disease and introduce novel stressors that influence psychosocial needs and adaptation. This literature review examines the psychosocial impact of breast cancer in South Asian women, a large group that has received little attention in this regard. We conducted a comprehensive review of the literature published before April 2014 using Ovid MEDLINE, PsychINFO, PubMED, CINHAL, EMBASE, and Sociological Abstracts. We searched for articles about the psychosocial impact of breast cancer in South Asian women. We retained 23 studies for review. The literature concerning South Asian women's experiences identified culturally linked themes that play significant roles in shaping the illness experience; e.g., stigma and breast cancer, low priority of women's health, collective experience of disease, and religion and spirituality. There is a growing need for culturally sensitive care for South Asian women. By understanding the core cultural values and integrating them into clinical practice, Western healthcare providers may improve the quality of care they deliver and help women to extract the maximum benefit. Developing culturally competent support services may enhance effectiveness in addressing the healthcare needs of South Asian women and may serve other ethnic minorities in North America.

  13. An Asian perspective on GMO and biotechnology issues.

    Science.gov (United States)

    Teng, Paul P S

    2008-01-01

    Of the 102 million hectares that made up the global area of biotech crops in 2006, less than 8% (7.6 million ha) were in Asia. Three biotech crops are currently planted in significant areas in four Asian countries with government regulatory approval; namely, cotton, corn (maize), and canola. However, the amount of GM crop material imported into the Asian region for processing into food and animal feed is very substantial, and almost every country imports GM food. The issues which concern Asian scientists, regulators, and the lay public resemble those of other regions - biosafety, food safety, ethics and social justice, competitiveness, and the "EU" trade question. Most Asian countries now have regulatory systems for approving the commercialization of GM crops, and for approving food safety of GM crops. In Asia, because of the varied cultures, issues concerning the use of genes derived from animals arouse much emotion for religious and diet choice reasons. Because many Asian producers and farmers are small-scale, there is also concern about technology dependency and to whom the benefits accrue. All consumers surveyed have expressed concern about potential allergenic and long-term toxic effects, neither of which is grounded on scientific facts. Because of Asia's growing demand for high volumes of quality food, it is likely that GM crops will become an increasing feature of our diet.

  14. In search of East Asian self-enhancement.

    Science.gov (United States)

    Heine, Steven J; Hamamura, Takeshi

    2007-02-01

    A meta-analysis of published cross-cultural studies of self-enhancement reveals pervasive and pronounced differences between East Asians and Westerners. Across 91 comparisons, the average cross-cultural effect was d = .84. The effect emerged in all 30 methods, except for comparisons of implicit self-esteem. Within cultures, Westerners showed a clear self-serving bias (d = .87), whereas East Asians did not (d = -.01), with Asian Americans falling in between (d = .52). East Asians did self-enhance in the methods that involved comparing themselves to average but were self-critical in other methods. It was hypothesized that this inconsistency could be explained in that these methods are compromised by the "everyone is better than their group's average effect" (EBTA). Supporting this rationale, studies that were implicated by the EBTA reported significantly larger self-enhancement effect for all cultures compared to other studies. Overall, the evidence converges to show that East Asians do not self-enhance.

  15. Correlates of Physical Activity in Asian Adolescents: A Literature Review

    Directory of Open Access Journals (Sweden)

    Husna Hidayati

    2012-08-01

    Full Text Available Background: Physical activity is important to prevent several chronic diseases in adulthood. Nowadays, young people do not regularly perform physical activity. Several factors may influence their decision. Most of studies were conducted in western countries. However the findings might not be generalized regarding the differences in culture and social condition. Therefore, reviewing the correlates of physical activity among adolescents in Asian countries is essential. Purpose: To update the state of knowledge on factors associated with adolescents’ physical activity in Asian countries. Methods: Literature review on existing articles retrieved from electronic databases was conducted. The review on factors of physical activity was set based on the setting of study, adolescents as participants of the study and the year of publication ranged from 2002-2011. Result: The findings compiled the evidence of relationships between physical activity and several influencing factors. Intrapersonal factors age, gender, socioeconomic status, parental education, and perceptions related to physical activity- perceived self efficacy, perceived benefits, and perceived barriers, interpersonal factors (family and peer influences and extra-personal factors (school policy and living arrangement were identified. Self efficacy was manifested as the strongest influencing factor in most studies. This review highlighted the cultural issues on physical activities of adolescents in Asian countries. Conclusion: This paper provided comprehensive knowledge related to factors influencing physical activity in Asian adolescents. The issue of cultural sensitivity should be considered in the future intervention program designed to improve physical activity of adolescents. Keyword: adolescent, physical activity, health Promotion, Asian countries

  16. Factors that influence Asian communities' access to mental health care.

    Science.gov (United States)

    Wynaden, Dianne; Chapman, Rose; Orb, Angelica; McGowan, Sunita; Zeeman, Zenith; Yeak, SiewHo

    2005-06-01

    This paper presents the findings of a qualitative study to identify factors that influence Asian communities' access to mental health care and how mental health care is delivered to them. Semistructured interviews were completed with Asian community members/leaders and health-care professionals. Content analysis identified major themes. Participants also completed a demographic data sheet. The research aimed to provide health professionals with an increased understanding of the values and beliefs held by people from Asian communities regarding the cause and treatment of mental illness. Data analysis identified six main themes that influenced Asian communities' access to mental health care and how mental health care is delivered to them. They were: shame and stigma; causes of mental illness; family reputation; hiding up; seeking help; and lack of collaboration. The findings highlighted that people from Asian communities are unwilling to access help from mainstream services because of their beliefs, and that stigma and shame are key factors that influence this reluctance. The findings also highlight that the mental health needs of refugee women are significant, and that they comprise a vulnerable group within Australian society.

  17. Toxicity of a traditional molluscicide to asian clam veligers

    Science.gov (United States)

    Layhee, Megan J.; ,; Miho Yoshioka,; Bahram Farokhkish,; ,; Gross, Jackson A.; Sepulveda, Adam J.

    2014-01-01

    Aquaculture and hatchery industries are in need of effective control methods to reduce the risk of spreading aquatic invasive species, such as the Asian clam Corbicula fluminea, through aquaculture and hatchery activities. The planktonic nature of Asian clam veligers enables this life stage to enter water-based infrastructure undetected, including hatchery trucks used to stock fish. Once in hatchery trucks, veligers can disperse overland and establish in previously uninvaded habitats. As a result, there is a need to develop techniques that result in veliger mortality but do not harm fish. In September 2012, we conducted laboratory trials to determine if a molluscicide (750 mg/L potassium chloride and 25 mg/L formalin) commonly used to kill zebra mussel (Dreissena polymorpha) veligers in hatchery trucks can also effectively kill Asian clam veligers. We exposed Asian clam veligers to this molluscicide for 1, 3, and 5 h in each of two water types: deionized water and filtered lake water. We found ,20% mortality at the 1-h exposure period and 100% mortality at both the 3-h and 5-h exposure periods, regardless of water type. This laboratory study represents an important step toward reducing the spread of Asian clams by aquaculture facilities.

  18. Social Norm, Family Communication, and HBV Screening among Asian Americans.

    Science.gov (United States)

    Juon, Hee-Soon; Rimal, Rajiv N; Klassen, Ann; Lee, Sunmin

    2017-12-01

    Individuals' behaviors are influenced by those of others in their social environment (i.e., descriptive norms), as well as by how individuals perceive they should behave in that environment (e.g., injunctive norms). Although social norms are thought to play an important role in hepatitis B virus (HBV) screening, limited theoretical or empirical guidance exists on how the underlying process works. In addition, norms are social phenomena that are spread through family discussion about the importance of getting HBV screening. Using the theory of normative social behavior (TNSB), this study examined the roles of injunctive norms (IN), descriptive norms (DN), and family discussion in HBV screening behavior among Asian Americans. Data from a survey of Asian Americans in the Baltimore Washington metropolitan area (N = 877) were used to test underlying theoretical propositions. DN and family discussion emerged as key factors in HBV screening behavior among all Asian Americans. IN were associated with HBV screening among Chinese and Korean Americans, but not for Vietnamese Americans. Family discussion moderated the influence of DN on behavior among Chinese and Vietnamese Americans. However, the main effect of DN on screening behavior was not modified by IN (no interactions between DN and IN). The results indicate that family discussion and social norms are integral in enabling Asian Americans to undergo HBV screening and warrant sensitivity in the design and implementation of a liver cancer prevention program in this high-risk group of Asian Americans.

  19. Genomic copy number variations in three Southeast Asian populations.

    Science.gov (United States)

    Ku, Chee-Seng; Pawitan, Yudi; Sim, Xueling; Ong, Rick T H; Seielstad, Mark; Lee, Edmund J D; Teo, Yik-Ying; Chia, Kee-Seng; Salim, Agus

    2010-07-01

    Research on the role of copy number variations (CNVs) in the genetic risk of diseases in Asian populations has been hampered by a relative lack of reference CNV maps for Asian populations outside the East Asians. In this article, we report the population characteristics of CNVs in Chinese, Malay, and Asian Indian populations in Singapore. Using the Illumina Human 1M Beadchip array, we identify 1,174 CNV loci in these populations that corroborated with findings when the same samples were typed on the Affymetrix 6.0 platform. We identify 441 novel loci not previously reported in the Database of Genomic Variations (DGV). We observe a considerable number of loci that span all three populations and were previously unreported, as well as population-specific loci that are quite common in the respective populations. From this we observe the distribution of CNVs in the Asian Indian population to be considerably different from the Chinese and Malay populations. About half of the deletion loci and three-quarters of duplication loci overlap UCSC genes. Tens of loci show population differentiation and overlap with genes previously known to be associated with genetic risk of diseases. One of these loci is the CYP2A6 deletion, previously linked to reduced susceptibility to lung cancer. (c) 2010 Wiley-Liss, Inc.

  20. Using appropriate body mass index cut points for overweight and obesity among Asian Americans

    Science.gov (United States)

    Jih, Jane; Mukherjea, Arnab; Vittinghoff, Eric; Nguyen, Tung T.; Tsoh, Janice Y.; Fukuoka, Yoshimi; Bender, Melinda S.; Tseng, Winston; Kanaya, Alka M.

    2014-01-01

    Objective Asian Americans have low prevalence of overweight/obesity based on standard BMI cut points yet have higher rates of diabetes. We examined the prevalence of overweight/obesity, using lower BMI cut points recommended by the World Health Organization (WHO) for Asians, and diabetes in Asian American subgroups in California. Method Secondary analysis of the 2009 adult California Health Interview Survey (n = 45,946) of non-Hispanic Whites (NHW), African Americans, Hispanics and Asians (Vietnamese, Chinese, Korean, Filipino, South Asian and Japanese). WHO Asian BMI cut points (overweight = 23–27.5 kg/m2; obese ≥ 27.5 kg/m2) were used for Asian subgroups. Standard BMI cut points (overweight = 25–29.9 kg/m2; obese ≥ 30 kg/m2) were applied for other groups. Results Among Asian subgroups, overweight/obesity was highest among Filipinos (78.6%), which was higher than NHWs (p Asians with BMI = 23–24.9 kg/m2 and Koreans, Filipinos and Japanese with BMI = 27.5–29.9 kg/m2, the ranges WHO recommends as overweight or obese for Asians but not for other groups. Conclusions Filipinos should be a priority population for overweight/obesity screening. Filipinos, Vietnamese, Korean, South Asians and Japanese have higher diabetes prevalence at lower BMI cut points. WHO Asian BMI cut points may have clinical utility to identify at-risk Asian Americans. PMID:24736092