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High circulating osteoprotegerin levels are associated with non-zero blood groups.

Science.gov (United States)

Nagy, Elod Erno; Varga-Fekete, Timea; Puskas, Attila; Kelemen, Piroska; Brassai, Zoltan; Szekeres-Csiki, Katalin; Gombos, Timea; Csanyi, Maria Csilla; Harsfalvi, Jolan

2016-05-26

Osteoprotegerin (OPG) and von Willebrand factor (VWF) form complex within endothelial cells and following secretion. The nature of blood group antigens strongly influences the levels of circulating VWF, but there is no available data concerning its ascendancy on OPG levels. We aimed to assess the relationship of AB0 blood groups with OPG, VWF levels (VWF: Ag) and collagen binding activity (VWF: CB) in peripheral arterial disease (PAD) patients. Functional and laboratory parameters of 105 PAD patients and 109 controls were examined. Results of OPG, VWF: Ag, VWF: CB (ELISA-s) were analysed by comparative statistics, together with clinical data. OPG levels were higher in patients than in controls (4.64 ng/mL vs. 3.68 ng/mL, p blood groups compared to 0-groups both in patients and controls (4.95 ng/mL vs. 3.90 ng/mL, p = 0.012 and 4.09 ng/mL vs. 3.40 ng/mL, p = 0.002). OPG levels are associated to blood group phenotypes and higher in non-0 individuals. Increased OPG levels in PAD characterize disease severity. The significant correlation between OPG and VWF:CB might have functional importance in an atherothrombosis-prone biological environment.

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Hydrodynamic chromatography coupled to single-particle ICP-MS for the simultaneous characterization of AgNPs and determination of dissolved Ag in plasma and blood of burn patients.

Science.gov (United States)

Roman, Marco; Rigo, Chiara; Castillo-Michel, Hiram; Munivrana, Ivan; Vindigni, Vincenzo; Mičetić, Ivan; Benetti, Federico; Manodori, Laura; Cairns, Warren R L

2016-07-01

Silver nanoparticles (AgNPs) are increasingly used in medical devices as innovative antibacterial agents, but no data are currently available on their chemical transformations and fate in vivo in the human body, particularly on their potential to reach the circulatory system. To study the processes involving AgNPs in human plasma and blood, we developed an analytical method based on hydrodynamic chromatography (HDC) coupled to inductively coupled plasma mass spectrometry (ICP-MS) in single-particle detection mode. An innovative algorithm was implemented to deconvolute the signals of dissolved Ag and AgNPs and to extrapolate a multiparametric characterization of the particles in the same chromatogram. From a single injection, the method provides the concentration of dissolved Ag and the distribution of AgNPs in terms of hydrodynamic diameter, mass-derived diameter, number and mass concentration. This analytical approach is robust and suitable to study quantitatively the dynamics and kinetics of AgNPs in complex biological fluids, including processes such as agglomeration, dissolution and formation of protein coronas. The method was applied to study the transformations of AgNP standards and an AgNP-coated dressing in human plasma, supported by micro X-ray fluorescence (μXRF) and micro X-ray absorption near-edge spectroscopy (μXANES) speciation analysis and imaging, and to investigate, for the first time, the possible presence of AgNPs in the blood of three burn patients treated with the same dressing. Together with our previous studies, the results strongly support the hypothesis that the systemic mobilization of the metal after topical administration of AgNPs is driven by their dissolution in situ. Graphical Abstract Simplified scheme of the combined analytical approach adopted for studying the chemical dynamics of AgNPs in human plasma/blood.

Association of social class in HBsAg and hepatocellular carcinoma

International Nuclear Information System (INIS)

Pervez, T.; Anwar, M. S.

2001-01-01

Objective: To find out the social class difference in relation to frequency of HBsAg and hepatocellular carcinoma in our population. Design: An analytical study. Place and Duration of Study: This study was conducted in Oncology Department, Services Hospital, Lahore from December 1997 to December 2000. Subjects and Methods: The HBsAg positive voluntary and apparently healthy blood donors were grouped into three, based on monthly income. Lower socioeconomic group and had monthly income less than 3,000 Pakistani rupees, middle socioeconomic group had monthly income between 3,000-10,000 rupees and upper socioeconomic group had income of more than 10,000 Pakistani rupees. On the same pattern patients suffering from hepatocellular carcinoma coming for treatment were also grouped. During this period, 1000 blood donors were screened for HBsAg and 95 biopsy proven liver cancer by causes were treated. Medical and demographic data of all subjects were recorded. HBsAg test was performed immuno-chromatographic technique using Daina Screen HBsAg kit manufactured by Dainabot Co. Ltd, Tokyo, Japan. Results: Patients from lower and middle social class had higher percentage (80% and 75%) of hepatocellular carcinoma as compared to higher social class (66.6%). In the healthy asymptomatic blood donors lower social class had higher (13.76%) HBsAg positively as compared to middle social class (11.25%) and higher social class (8.06%). Conclusion: Preventive measures should be taken in identifying and reducing factors predisposing high frequency of these conditions. (author)

Transmission of hepatitis-B virus through salivary blood group antigens in saliva

International Nuclear Information System (INIS)

Meo, S.A.; Abdo, A.A.; Baksh, N.D.; Sanie, F.M.

2010-01-01

To determine an association between transmission of hepatitis B virus and secretor and non-secretor status of salivary blood group antigens. Study Design: Cross-sectional, analytical study. Place and Duration of Study: The Department of Physiology and Division of Hepatology, College of Medicine, King Khalid University Hospital, King Saud University, Riyadh, Kingdom of Saudi Arabia, from 2007 to 2009. Methodology: Eighty eight known patients, who were positive for Hepatitis B Surface Antigen [HBsAg] were recruited. Saliva was collected for investigating the secretor and non-secretor status by using blood typing kit number Kemtec Educational Science USA. Hepatitis B Surface antigen test was performed on Enzyme Linked Immunosorbent Assay technique. Polymerase chain reaction [PCR] on saliva was also carried out in High Performance Thermal Cycler-Palm- Cycler [Corbett Life Science, Sydney, Australia] and enzymatic amplification of extracted viral DNA was performed using primers covering the promoter of the core region of HBV. Results: Out of the 88 subjects, 61 belong to blood group O, 20 to A and 7 subjects to blood group B. Fifty subjects were secretors [salivary blood group antigens positive] and 38 subjects were non-secretors [salivary blood group antigens negative]. Among core gene positive 25 (69.4%) were secretors and 11 (30.6%) were non-secretors. However, in core gene negative 25 (48.1%) were secretors and 27 (51.9%) were non-secretors. Conclusion: The result shows an association [p=0.047] between secretor and non-secretors status of the salivary blood group antigens with core gene positive and core gene negative. (author)

Discrepancy in abo blood grouping

International Nuclear Information System (INIS)

Khan, M.N.; Ahmed, Z.; Khan, T.A.

2013-01-01

Discrepancies in blood typing is one of the major reasons in eliciting a transfusion reaction. These discrepancies can be avoided through detailed analysis for the blood typing. Here, we report a subgroup of blood group type-B in the ABO system. Donor's blood was analyzed by employing commercial antisera for blood grouping. The results of forward (known antisera) and reverse (known antigen) reaction were not complimentary. A detailed analysis using the standard protocols by American Association of Blood Banking revealed the blood type as a variant of blood group-B instead of blood group-O. This is suggestive of the fact that blood group typing should be performed with extreme care and any divergence, if identified, should be properly resolved to avoid transfusion reactions. Moreover, a major study to determine the blood group variants in Pakistani population is needed. (author)

Distribution of ABO/Rh blood groups and their association with hepatitis B virus infection in 3.8 million Chinese adults: A population-based cross-sectional study.

Science.gov (United States)

Liu, J; Zhang, S; Liu, M; Wang, Q; Shen, H; Zhang, Y

2018-04-01

ABO and Rh blood groups play a vital role in blood transfusion safety and clinical practice and are thought to be linked with disease susceptibility. The results from previous studies that focused on the association between blood groups and HBV infection remain controversial. China has the world's largest burden of HBV infection. We assessed the distribution of ABO/Rh blood groups in Chinese adults and examined the association between these groups and HBV infection. We did a nationwide cross-sectional study using data from a physical check-up programme from 31 provinces examined between 2010 and 2012. ELISA was used to test for HBsAg in serologic samples. Multivariable logistic regression was used to estimate aOR of the association between ABO and Rh blood groups and HBV infection. Among 3 827 125 participants, the proportion of participants with blood group A was highest (30.54%), followed by O (30.37%), B (29.42%) and AB (9.66%). A total of 38 907 (1.02%) were Rh-D negative. The prevalence of HBsAg in blood groups O, A, B and AB were 6.34%, 5.55%, 5.18% and 5.06%, respectively. HBsAg prevalence was 5.65% in Rh-D-positive and 3.96% in Rh-D-negative participants. After controlling for other potential risk factors, multivariate models showed that participants with blood group O (adjusted OR = 1.22, 95% CI: 1.20-1.25) were at higher risk of HBV infection compared with group AB. Rh-D-positive participants (adjusted OR = 1.44, 95% CI: 1.37-1.52) were at higher risk of HBV infection than Rh-D-negative participants. The associations between ABO/Rh blood groups and HBV infection were similar in subgroup analysis. The proportions of O, A, B and AB blood groups were approximately 3:3:3:1, and nearly 1 in 100 people was Rh-D negative among Chinese adults. Blood group O and Rh-D positivity were both associated with increased HBV infection. The risk of HBV infection and blood safety should be taken into consideration in clinical practice, especially when transfusing

The potential effect of metallothionein 2A - 5 A/G single nucleotide polymorphism on blood cadmium, lead, zinc and copper levels

International Nuclear Information System (INIS)

Kayaalti, Zeliha; Aliyev, Vugar; Soeylemezoglu, Tuelin

2011-01-01

Metallothioneins (MTs) are low molecular weight, cysteine-rich, metal-binding proteins. Because of their rich thiol groups, MTs bind to the biologically essential metals and perform these metals' homeostatic regulations; absorb the heavy metals and assist with their transportation and extraction. The aim of this study was to investigate the association between the metallothionein 2A (MT2A) core promoter region - 5 A/G single nucleotide polymorphism (SNP) and Cd, Pb, Zn and Cu levels in the blood samples. MT2A polymorphism was determined by the standard polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) technique using the 616 blood samples and the genotype frequencies were found as 86.6% homozygote typical (AA), 12.8% heterozygote (AG) and 0.6% homozygote atypical (GG). Metal levels were analyzed by dual atomic absorption spectrophotometer system and the average levels of Cd, Pb, Zn and Cu in the blood samples were 1.69 ± 1.57 ppb, 30.62 ± 14.13 ppb, 0.98 ± 0.49 ppm and 1.04 ± 0.45 ppm, respectively. As a result; highly statistically significant associations were detected between the - 5 A/G core promoter region SNP in the MT2A gene and Cd, Pb and Zn levels (p = 0.004, p = 0.012 and p = 0.002, respectively), but no association was found with Cu level (p = 0.595). Individuals with the GG genotype had statistically lower Zn level and higher Cd and Pb levels in the blood samples than individuals with AA and AG genotypes. This study suggests that having the GG genotype individuals may be more sensitive for the metal toxicity and they should be more careful about protecting their health against the toxic effects of the heavy metals. - Highlights: → MT2A -5A/G SNP has strong effect on the Cd, Pb and Zn levels in the blood. → MT2A GG individuals should be more careful for their health against metal toxicity. → This SNP might be considered as a biomarker for risk of disease related to metals.

Influences of ABO blood group, age and gender on plasma coagulation factor VIII, fibrinogen, von Willebrand factor and ADAMTS13 levels in a Chinese population.

Science.gov (United States)

Wang, Zongkui; Dou, Miaomiao; Du, Xi; Ma, Li; Sun, Pan; Cao, Haijun; Ye, Shengliang; Jiang, Peng; Liu, Fengjuan; Lin, Fangzhao; Zhang, Rong; Li, Changqing

2017-01-01

ABO blood group is a hereditary factor of plasma levels of coagulation factor VIII (FVIII) and von Willebrand factor (VWF). Age and gender have been shown to influence FVIII, VWF, fibrinogen (Fbg), and ADAMTS13 (A disintegrin and metalloprotease with thrombospondin type 1 motif, 13). We investigated the effects of ABO type, age, and gender on plasma levels of FVIII, Fbg, VWF, and ADAMTS13 in a Chinese population. A total of 290 healthy volunteers were eligible for this study. ABO blood group was determined by indirect technique. FVIII:C and Fbg were measured by clotting assays. VWF antigen (VWF:Ag), collagen-binding activity (VWF:CBA), and ADAMTS13 antigen were assessed by ELISA, whereas VWF ristocetin cofactor activity (VWF:Rcof) was performed by agglutination of platelets with ristocetin. Mean FVIII:C and VWF levels (VWF:Ag, VWF:CBA, and VWF:Rcof) were significantly higher in non-O than in O type subjects ( p  blood group, age, and gender showed different effects on plasma levels of FVIII:C, Fbg, VWF:Ag, VWF:CBA, VWF:Rcof, and ADAMTS13 antigen. These new data on a Chinese population are quite helpful to compare with other ethnic groups.

INCREASED VASOOCCLUSIVE CRISIS IN “O” BLOOD GROUP SICKLE CELL DISEASE PATIENTS: ASSOCIATION WITH UNDERLYING THROMBOSPONDIN LEVELS.

Directory of Open Access Journals (Sweden)

M. Al Huneini

2017-04-01

Full Text Available Abstract: Objectives: To explore the incidence of vaso-occlusive crisis (VOC in Blood Group “O” sickle cell disease (SCD patients, and correlate it with the blood group and thrombospondin (TSP levels. Methods: In 89 consecutive SCD patients, blood samples were obtained for vWF antigen, collagen binding activity, blood group typing, C-reactive protein, variant hemoglobin analysis (HPLC, Serum TSP 1 and TSP 2 levels, complete blood counts, liver function tests, LDH and renal function tests during VOC episodes and in steady state conditions. Results: In the steady state SCD patients (n=72, “O” blood group patients (n=37 showed significantly higher median serum TSP 1 and TSP 2 levels than the non “O” blood group patients [n=35] [p <0.05, Mann-Whitney test], with an inverse relation between VWF:Ag, Factor VIII:C and TSP levels. Furthermore, the serum TSP 1 and TSP 2 levels were significantly higher in patients presenting with acute VOC [n=17], and in those with repeated VOC’s (group 1, n=16 especially amongst those patients with blood group “O” [p, <0.05, Mann-Whitney test]. Conclusions: The study shows that there was an inverse relation between TSP and vWF levels, in blood group “O” SCD patients with an upregulation of the TSP levels. Expectedly, during active VOC crisis, the TSP 1 and TSP 2 levels were significantly elevated.    Key Words: VOC; SCD; TSP; vWD; Blood groups

[Blood groups - minuses and pluses. Do the blood group antigens protect us from infectious diseases?].

Science.gov (United States)

Czerwiński, Marcin

2015-06-25

Human blood can be divided into groups, which is a method of blood classification based on the presence or absence of inherited erythrocyte surface antigens that can elicit immune response. According to the International Society of Blood Transfusion, there are 341 blood group antigens collected in 35 blood group systems. These antigens can be proteins, glycoproteins or glycosphingolipids, and function as transmembrane transporters, ion channels, adhesion molecules or receptors for other proteins. The majority of blood group antigens is present also on another types of cells. Due to their localization on the surface of cells, blood group antigens can act as receptors for various pathogens or their toxins, such as protozoa (malaria parasites), bacteria (Helicobacter pylori, Vibrio cholerae and Shigella dysenteriae) and viruses (Noroviruses, Parvoviruses, HIV). If the presence of group antigen (or its variant which arised due to mutation) is beneficial for the host (e.g. because pathogens are not able to bind to the cells), the blood group may become a selection trait, leading to its dissemination in the population exposed to that pathogen. There are thirteen blood group systems that can be related to pathogen resistance, and it seems that the particular influence was elicit by malaria parasites. It is generally thought that the high incidence of blood groups such as O in the Amazon region, Fy(a-b-) in Africa and Ge(-) in Papua-New Guinea is the result of selective pressure from malaria parasite. This review summarizes the data about relationship between blood groups and resistance to pathogens.

Applications of blood group genotyping

Directory of Open Access Journals (Sweden)

Mariza A. Mota

2006-03-01

Full Text Available Introduction: The determination of blood group polymorphism atthe genomic level facilitates the resolution of clinical problemsthat cannot be addressed by hemagglutination. They are useful to(a determine antigen types for which currently available antibodiesare weakly reactive; (b type patients who have been recentlytransfused; (c identify fetuses at risk for hemolytic disease of thenewborn; and (d to increase the reliability of repositories of antigennegative RBCs for transfusion. Objectives: This review assessedthe current applications of blood group genotyping in transfusionmedicine and hemolytic disease of the newborn. Search strategy:Blood group genotyping studies and reviews were searched ingeneral database (MEDLINE and references were reviewed.Selection criteria: All published data and reviews were eligible forinclusion provided they reported results for molecular basis ofblood group antigens, DNA analysis for blood group polymorphisms,determination of fetal group status and applications of blood groupgenotyping in blood transfusion. Data collection: All data werecollected based on studies and reviews of blood grouppolymorphisms and their clinical applications.

Evaluation of HBsAg and anti-HBc assays in saliva and dried blood spot samples according HIV status.

Science.gov (United States)

Flores, Geane Lopes; Cruz, Helena Medina; Potsch, Denise Vigo; May, Silvia Beatriz; Brandão-Mello, Carlos Eduardo; Pires, Marcia Maria Amendola; Pilotto, Jose Henrique; Lewis-Ximenez, Lia Laura; Lampe, Elisabeth; Villar, Livia Melo

2017-09-01

Influence of HIV status in HBV markers detection in saliva and dried blood spots (DBS) was not well established. This study aims to evaluate the performance of optimized commercial immunoassay for identifying HBsAg and anti-HBc in saliva and DBS according HIV status. A sum of 535 individuals grouped as HIV + , HBV + , HIV/HBV + and HIV/HBV- were recruited where 347 and 188 were included for HBsAg and anti-HBc evaluation, respectively. Serum, DBS collected in Whatman 903 paper and saliva obtained using salivette device were analyzed using EIA. Increased sample volume and ROC curve analysis for cut off determination were used for DBS and saliva testing. HBsAg detection in saliva and DBS exhibited sensitivities of 80.9% and 85.6% and specificities of 86.8% and 96.3%. Sensitivity of anti-HBc in saliva and DBS were 82.4% and 76.9% and specificities in saliva and DBS were 96.9% and 91.7%. Low sensitivities were observed for HBsAg (62%) and anti-HBc (47%) detection in saliva of HIV/HBV+ individuals. OD values were also lower for HBsAg detection in DBS and saliva of HIV/HBV+ individuals compared to their serum samples. Statistical significance was found for sensitivities in HBsAg detection between saliva and DBS demonstrating high sensitivity for DBS specimens. In conclusion, HIV status or antiretroviral treatment appears to interfere in the performance of HBsAg and anti-HBc detection in DBS and saliva samples using the adapted commercial EIA. Copyright © 2017 Elsevier B.V. All rights reserved.

ASSOCIATION BETWEEN GLAUCOMA AND BLOOD GROUPS

Directory of Open Access Journals (Sweden)

F. Ghannadi R. Varmazyar

2006-09-01

Full Text Available There are reports from different countries that some types of glaucoma are associated with blood groups. This cross-sectional study was performed on 400 glaucomatous patients [100 patients in each group of Primary open angle glaucoma (POAG, chronic angle closure glaucoma (CACG, pseudoexfoliative glaucoma (PEXG and primary congenital glaucoma (PCG] and 400 blood donors as control group to assess the association between blood groups and glaucoma. All patients underwent ABO and Rh blood group testing. The prevalence of blood group A was 30% in the control group, 27% in POAG, 33% in CACA, 38% in PEXG and 36% in PCG. The prevalence of blood group B was 24% in the control group, 19% in POAG, 20% in CACG, 15% in PEXG and 34% in PCG (P < 0.025. The prevalence of blood group AB was 8% in the control group, 9% in POAG, 5% in CACG, 12% in PEXG, and 8% in PCG. The prevalence of blood group O was 38% in the control group, 45% in POAC, 42% in CACG, 35% in PEXG and 22% in PCG (P < 0.001. The prevalence of Rh+ was 88% in the control group, 84% in POAG, 87% in CACG, 86% in PEXG and 87% in PCG. Compared to control group, blood group B was more prevalent and blood group O was less prevalent in PCG. There was no association between other types of blood groups (ABO and Rh and PCG. There was no association between blood groups (ABO and Rh and other types of glaucoma.

76 FR 22017 - Implementation of the Understandings Reached at the 2010 Australia Group (AG) Plenary Meeting and...

Science.gov (United States)

2011-04-20

...-01] RIN 0694-AF04 Implementation of the Understandings Reached at the 2010 Australia Group (AG... understandings reached at the June 2010 plenary meeting of the Australia Group (AG) and to make certain AG... reached at the annual plenary meeting of the Australia Group (AG) that was held in Paris, France, from May...

[Relationship between HBeAg from HBsAg positive mothers and regulatory T cells in neonates and its influence on HBV intrauterine transmission].

Science.gov (United States)

Hao, H Y; Yang, Z Q; Xu, X X; Wang, X F; Wang, B; Shi, X H; Fu, Z D; Wang, B; Wang, S P

2017-10-10

Objective: To explore the relationship between HBeAg in HBsAg positive mothers and CD(4)(+)CD(25)(+) Foxp3 (+)regulatory T cells (Treg) in newborns, as well as how they would influence the increasing risk on HBV intrauterine transmission. Methods: We collected information on general demographic characteristics and delivery on 270 HBsAg positive mothers and their newborns from the Third People's Hospital of Taiyuan. Fluorescence quantitative polymerase chain reaction (FQ-PCR) and chemiluminescence immunoassay (CLIA) were used to detect HBV DNA and HBV serological markers in peripheral blood from both mothers and neonates. The expression of Treg and other immune cells in peripheral blood of neonates were detected with flow cytometry (FCM). Results: Maternal HBeAg positive rates were associated with an increased risk of intrauterine transmission ( OR =4.08, 95 %CI : 1.89-8.82). Rates of Treg in newborns born to HBsAg-positive mothers were higher than that of the negative group ( Z =2.29, P =0.022). Each pair of the subjects was assigned to five different groups according to the HBeAg titers of mothers. Frequencies of both Treg and HBeAg in newborns and HBV DNA in mothers between the above said 5 groups showed similar trends of changing patterns and the differences between groups were statistically significant(χ(2)=18.73, P mother's HBeAg titers were positively related to the percentage of Treg in their newborns ( r(s) =0.19, P =0.039). In addition, the frequencies of Treg were negatively correlated with pDC and CD(4)(+) T cell in their newborns ( r(s) =-0.21, P =0.017; r(s) =-0.23, P =0.009). Conclusion: HBeAg from HBsAg positive mothers might have inhibited the function of neonatal DC cells and T cells to reduce the immune response to HBV by up-regulating the proportion of Treg and finally increased the risk of HBV intrauterine transmission.

Importance of radioimmunoassays (HBsAg, HBsAb and HBcAb) for reducing the risk of hepatitis B transfer by blood

International Nuclear Information System (INIS)

Novak, J.; Kselikova, M.

1979-01-01

The principles are reported of the radioimmunoanalytical assay of the hepatitis B surface antigen, antibodies against this antigen which constitute immunologically indirect evidence, and antibodies against the nucleus of Dane's particles, which is circumstantial immunological evidence. The results obtained by radioimmunoassay are compared with those obtained by enzyme immunoassay. The results are presented obtained during the investigations of a total of 79 individuals, blood donors, health workers, and haemodialytic patients. In the whole group the hepatitis B surface antigen was proved by radioimmunoassay in 54%, by enzyme immunoassay in 47%; the antibody against the hepatitis B surface antigen in 19%; the antibody against the nucleus of the hepatitis B virus showed the largest proportion 75%. In 6.3% radioimmunoassay showed symptoms all three of hepatitis B, i.e., the surface antigen, the antibody against it, and the antibody against the hepatitis B virus nucleus; the correlation of the three symptoms is shown. The presence of HBsAg, HBsAb, and HBcAb is believed to be a contraindication of blood taking for routine purposes; the disappearance of HBsAg for a longer time may justify the re-inclusion among blood donors; the presence of HBsAb and HBcAb does not preclude the preparation of the plasma from such blood for the production of a specific anti-HBs immunoglobulin. (author)

Blood Groups in the Kashmir Valley

OpenAIRE

Rafiq A.Calcutti, Mohammed Khali Lone, Showket Ahmed,Bashir A.Shah, Neelofer Jan.

2003-01-01

Blood groups are genetically determined and exJ1ibit polymorphism, where different populationgroups have significant difference in the frequency of each blood group. This study wasconducted to determine the frequency of ABO and Rhesus D blood groups among the blooddO:lors. A total number of 1306 blood donors attended the donor centre at SKIMS MedicalCollege Hospital for blood donation in the year 2001-02. After each donation blood sampleswere collected in separate pilot hlbes for the estimati...

A brief history of human blood groups.

Science.gov (United States)

Farhud, Dariush D; Zarif Yeganeh, Marjan

2013-01-01

The evolution of human blood groups, without doubt, has a history as old as man himself. There are at least three hypotheses about the emergence and mutation of human blood groups. Global distribution pattern of blood groups depends on various environmental factors, such as disease, climate, altitude, humidity etc. In this survey, the collection of main blood groups ABO and Rh, along with some minor groups, are presented. Several investigations of blood groups from Iran, particularly a large sampling on 291857 individuals from Iran, including the main blood groups ABO and Rh, as well as minor blood groups such as Duffy, Lutheran, Kell, KP, Kidd, and Xg, have been reviewed.

Blood Groups in Infection and Host Susceptibility.

Science.gov (United States)

Cooling, Laura

2015-07-01

Blood group antigens represent polymorphic traits inherited among individuals and populations. At present, there are 34 recognized human blood groups and hundreds of individual blood group antigens and alleles. Differences in blood group antigen expression can increase or decrease host susceptibility to many infections. Blood groups can play a direct role in infection by serving as receptors and/or coreceptors for microorganisms, parasites, and viruses. In addition, many blood group antigens facilitate intracellular uptake, signal transduction, or adhesion through the organization of membrane microdomains. Several blood groups can modify the innate immune response to infection. Several distinct phenotypes associated with increased host resistance to malaria are overrepresented in populations living in areas where malaria is endemic, as a result of evolutionary pressures. Microorganisms can also stimulate antibodies against blood group antigens, including ABO, T, and Kell. Finally, there is a symbiotic relationship between blood group expression and maturation of the gastrointestinal microbiome. Copyright © 2015, American Society for Microbiology. All Rights Reserved.

Blood Groups in Infection and Host Susceptibility

Science.gov (United States)

2015-01-01

SUMMARY Blood group antigens represent polymorphic traits inherited among individuals and populations. At present, there are 34 recognized human blood groups and hundreds of individual blood group antigens and alleles. Differences in blood group antigen expression can increase or decrease host susceptibility to many infections. Blood groups can play a direct role in infection by serving as receptors and/or coreceptors for microorganisms, parasites, and viruses. In addition, many blood group antigens facilitate intracellular uptake, signal transduction, or adhesion through the organization of membrane microdomains. Several blood groups can modify the innate immune response to infection. Several distinct phenotypes associated with increased host resistance to malaria are overrepresented in populations living in areas where malaria is endemic, as a result of evolutionary pressures. Microorganisms can also stimulate antibodies against blood group antigens, including ABO, T, and Kell. Finally, there is a symbiotic relationship between blood group expression and maturation of the gastrointestinal microbiome. PMID:26085552

Application of a newly developed high-sensitivity HBsAg chemiluminescent enzyme immunoassay for hepatitis B patients with HBsAg seroclearance.

Science.gov (United States)

Shinkai, Noboru; Matsuura, Kentaro; Sugauchi, Fuminaka; Watanabe, Tsunamasa; Murakami, Shuko; Iio, Etsuko; Ogawa, Shintaro; Nojiri, Shunsuke; Joh, Takashi; Tanaka, Yasuhito

2013-11-01

We modified and automated a highly sensitive chemiluminescent enzyme immunoassay (CLEIA) for surface antigen (HBsAg) detection using a combination of monoclonal antibodies, each for a specific epitope of HBsAg, and by improving an earlier conjugation technique. Of 471 hepatitis B virus (HBV) carriers seen in our hospital between 2009 and 2012, 26 were HBsAg seronegative as determined by the Abbott Architect assay. The Lumipulse HBsAg-HQ assay was used to recheck those 26 patients who demonstrated seroclearance by the Abbott Architect assay. The performance of the Lumipulse HBsAg-HQ assay was compared with that of a quantitative HBsAg detection system (Abbott Architect) and the Roche Cobas TaqMan HBV DNA assay (CTM) (lower limit of detection, 2.1 log copies/ml) using blood serum samples from patients who were determined to be HBsAg seronegative by the Abbott Architect assay. Ten patients had spontaneous HBsAg loss. Of 8 patients treated with nucleotide analogues (NAs), two were HBsAg seronegative after stopping lamivudine therapy and 6 were HBsAg seronegative during entecavir therapy. Eight acute hepatitis B (AH) patients became HBsAg seronegative. Of the 26 patients, 16 were HBsAg positive by the Lumipulse HBsAg-HQ assay but negative by the Abbott Architect assay. The differences between the two assays in terms of detectable HBsAg persisted over the long term in the spontaneous loss group (median, 10 months), the NA-treated group (2.5 months), and the AH group (0.5 months). In 9 patients, the Lumipulse HBsAg-HQ assay detected HBsAg when HBV DNA was negative by the CTM assay. HBsAg was also detected by the Lumipulse HBsAg-HQ assay in 4 patients with an anti-HBs concentration of >10 mIU/ml, 3 of whom had no HBsAg escape mutations. The automatic, highly sensitive HBsAg CLEIA Lumipulse HBsAg-HQ is a convenient and precise assay for HBV monitoring.

Frequency distribution 0f ABO, RH blood groups and blood ...

African Journals Online (AJOL)

One hundred and fifty students (150) were randomly selected from the Department of Cell Biology and Genetics of University of Lagos, Akoka, Nigeria for ABO, RH blood groups and 6 haemoglobin genotypes studies. Blood group O was the highest with the percentage frequency of 55.3%, followed by blood group A (25.3%) ...

Relationship between blood groups and male infertility

International Nuclear Information System (INIS)

Ahmed, I.; Naeem, M.; Samad, A.; Nasir, A.; Aman, Z.; Ahmed, S.; Manan, F.

2010-01-01

Background: Blood is man's complete and unchangeable identity. The ABO and Rh groups are recognised as major and clinically significant blood groups. Blood group antigens are not only important in relation to blood transfusion and organ transplantation, but also have been utilised in genetic research, anthropology and tracing ancestral relation of humans. The objective the present study is to examine the blood group antigens in infertile men for assessing the relationship to male infertility and to know the frequency of various blood groups among infertile males in our population. Method: A total of 1,521 patients along with 460 proven fathers as controls were recruited for the present study from both rural and urban areas of Pakistan and referred to Department of Reproductive Physiology/Health, Public Health Divisions, NIH, Islamabad, during 2002 to 2006. Blood grouping (ABO) and Rhesus factors (Rh) was done by the antigen antibody agglutination test. Results: Overall distribution of blood groups in the studied population of 1,521 subjects was 35.50%, 28.27%, 26.89% and 9.34% for blood groups O, B, A and AB respectively. The ratio of control to patient was 1:3.3. Conclusions: The present preliminary study revealed that in our population the prevalence of male infertility in blood group O is invariably higher than in all other ABO blood groups, showing a strong relationship between blood group O and male infertility. (author)

ABO Blood Group And Reproductive Performance | Gharoro ...

African Journals Online (AJOL)

ABO Blood Group And Reproductive Performance. ... Blood group A phenotype constituted 22.48%, while AB, B, and O blood groups made up 1.94, 15.28 and 60.3 percent respectively. The mean age of the ... Keywords: ABO Blood Group, Reproductive performance, population mapping, gene frequency. Journal of Mining ...

ABO blood groups and susceptibility to brucellosis.

Science.gov (United States)

Mohsenpour, Behzad; Hajibagheri, Katayon; Afrasiabian, Shahla; Ghaderi, Ebrahim; Ghasembegloo, Saeideh

2015-01-01

The relationship between blood groups and some infections such as norovirus, cholera, and malaria has been reported. Despite the importance of brucellosis, there is a lack of data on the relationship between blood groups and brucellosis. Thus, in this study, we examined the relationship between blood groups and brucellosis. In this case-control study, the blood groups of 100 patients with brucellosis and 200 healthy individuals were studied. Exclusion criteria for the control group consisted of a positive Coombs Wright test or a history of brucellosis. The chi-square test was used to compare qualitative variables between the two groups. The variables that met inclusion criteria for the regression model were entered into the logistic regression model. A total of 43% patients were female and 57% male; 27% were urban and 73% rural. Regression analysis showed that the likelihood of brucellosis infection was 6.26 times more in people with blood group AB than in those with blood group O (Pblood group and brucellosis. People with blood group AB were susceptible to brucellosis, but no difference was observed for brucellosis infection in terms of blood Rh type.

No response to hepatitis B vaccine in infants born to HBsAg(+) mothers is associated to the transplacental transfer of HBsAg.

Science.gov (United States)

Wang, Jing; He, Yingli; Jin, Dongfang; Liu, Jinfeng; Zheng, Jie; Yuan, Ningxia; Bai, Yun; Yan, Taotao; Yang, Yuan; Liu, Yong; Zhang, Shulin; Zhao, Yingren; Chen, Tianyan

2017-08-01

No or low hepatitis B (HB) vaccine response is more frequent in infants from HBsAg(+) mothers than those from HBsAg(-). Our previous study found temporary positivity of HBsAg in infants from HBsAg(+) mothers. In this study, we hypothesized that HBsAg in infant blunt immune response to standard hepatitis B vaccination. A total of 328 consecutive HBsAg(+) mothers and their offspring were enrolled. Blood samples were taken from mothers and their infants and quantified for HBsAg, anti-HBs titer and HBV DNA load concentration; Placenta samples were collected to stain for HBsAg. First, 6.7% infants (22/328) showed anti-HBs titer lower than 10 mIU/mL after HB vaccination (non-response to HB vaccine). HBsAg(+) newborns showed higher risk of non-response than HBsAg(-) infants (13.0% versus 5.0%, p = 0.016). Infants from high HBsAg titer mothers displayed higher risk of HBsAg positivity at birth than those from low titer mothers (45.3% versus 2.8%, p < 0.001). HBsAg titer in mothers of HBsAg(+) newborns was much higher than mothers of HBsAg(-) newborns (p < 0.001). All those data supported HBsAg can be transferred through placenta. Our hypothesis was further reinforced by immunostaining with specific antibody against HBsAg, a substantial higher prevalence (87.5% versus 30.8%, p = 0.024) and stronger immunostaining (p = 0.008) was demonstrated in HBsAg(+) group comparing with placenta of the HBsAg(-) group. No response to HB vaccine in infants of HBsAg(+) mothers was associated to the transplacental transfer of HBsAg.

Blood group astrology - why the AB0 blood groups do not determine the human character nor the appropriate nutrition

Directory of Open Access Journals (Sweden)

Martina Gajšek Grbec

2016-04-01

Full Text Available AB0 blood groups are inherited markers on blood cells. Since their discovery, there were numerous attempts to be attributed a wide variety of biological functions they don’t possess. The purpose of this article is primarily to inform the professional, as well as lay public that the theory of healthy nutrition based on AB0 blood groups represents nothing more than a pseudoscience used for mass exploitation and commercial purposes. ABO blood groups were attributed such characteristics by naturopathic doctor Peter D'Adamo, who on the basis of false methods and erroneous assumptions wrote a bestseller "Eat Right For Your Type". It claims that the blood groupsAB0 represent a "key to the functioning of our immune system" and that the blood group based diet represents a “key to the health of every man”. As in the case of nutrition based on the ABO blood groups, the scientific knowledge in the field of immunohematology is misused to mislead the lay public, we are obliged to explain the real meaning and the role of blood groups in health and disease, the misuse of blood groups in relation to healthy nutrition.

Molecular blood grouping of donors.

Science.gov (United States)

St-Louis, Maryse

2014-04-01

For many decades, hemagglutination has been the sole means to type blood donors. Since the first blood group gene cloning in the early 1990s, knowledge on the molecular basis of most red blood cell, platelet and neutrophil antigens brought the possibility of using nucleotide-based techniques to predict phenotype. This review will summarized methodologies available to genotype blood groups from laboratory developed assays to commercially available platforms, and how proficiency assays become more present. The author will also share her vision of the transfusion medicine future. The field is presently at the crossroads, bringing new perspectives to a century old practice. Copyright © 2014 Elsevier Ltd. All rights reserved.

[Predictive study of HBsAg in different stages of neonatal venous blood on failure of blocking HBV mother to infant transmission].

Science.gov (United States)

Yi, Wei; Li, Ming-Hui; Hu, Yu-Hong; Liu, Feng; Zhang, Yang-Li; Liu, Xue-Jing; Hao, Hong-Xiao; Song, Shu-Jing; Liu, Ying; Li, Xing-Hong; Sun, Ji-Yun; Liu, Min; Cheng, Jun; Xie, Yao

2011-10-01

In this study, we discuss the predictive value of different content of HBsAg in different stages of neotal venous blood on failure of blocking mother to infant transmission of HBV. 150 infants born of chronically HBV infected mothers who were positive of both HBsAg and HBeAg and who also had a HBV DNA virus load above 10(5) copies/ml were enrolled. These infants were given hepatitis B virus immune globin (HBIG) 200 IU immediately after birth and were given hepatitis B vaccine 10 or 20 microg at brith, 1 month and 6 months after birth. HBV serological index of these infants were test at birth, 1 month and 7 months after birth respectively. Different content of HBsAg in different stages of neonatal venus blood were analyzed to predict the failure of blocking mother to infant transmission of HBV. 11 infants failed in blocking of HBV mother to infant transmission. The positive rate of HBsAg at birth, 1 month and 7 months after birth were 41.26%, 10.49% and 7.69% respectively, and were 97.90%, 65.73% and 13.29% of HBeAg. The positive predictive value of HBsAg > or = 0.05 and HBsAg > or = 1 IU/ml at birth were 18.64% and 70% respectively, and were 73.33% and 100% one month after birth. Infants with HBsAg > or = 1 IU/ml at birth should be suspicious of failure on blocking HBV mother-to-infant transmission and it should be more credible if the infant has HBsAg > or = 1 IU/ml one month after birth. How to improve the blocking rate of neonates who were positive of HBsAg at birth and one month after birth should be the focus of our future research.

ABO blood group distribution and ischaemic heart disease

International Nuclear Information System (INIS)

Lutfullah, A.; Bhatti, T.A.; Hanif, A.; Shaikh, S.H.

2011-01-01

To study the association of ABO blood groups with ischaemic heart disease (IHD) in our setting. Analytic comparative study. Department of Cardiology, Mayo hospital, Lahore over a period of two years from January 2008 to December 2009. The study group included 907 patients of IHD. The distribution of ABO blood groups in IHD patients was compared with the control group of 907 non-IHD individuals. Data was analyzed using SPSS 16. Chi-square test for significance was used. P-value less than 0.05 was taken as significant. In this study, the following pattern of ABO blood groups was observed in IHD patients and non-IHD patients respectively : Blood group A 251 (27.67%) and 248 (27.34%); Blood group B 329 (36.27%) and 358 (39.47%); Blood group O 235 (25.90%) and 240 (24.46%); Blood group AB 92 (10.14%) and 61 (6.72%), P-value = 0.06. There is no association of ABO blood groups and ischaemic heart disease. (author)

ABO blood groups and malaria related clinical outcome.

Science.gov (United States)

Deepa; Alwar, Vanamala A; Rameshkumar, Karuna; Ross, Cecil

2011-03-01

The study was undertaken to correlate the blood groups and clinical presentations in malaria patients and to understand the differential host susceptibility in malaria. From October 2007 to September 2008, malaria positive patients' samples were evaluated in this study. Hemoglobin, total leukocyte count, and platelet count of each patient were done on an automated cell counter. After determining the blood groups, malarial species and the severity of clinical course were correlated. A total of 100 patients were included in the study, of which 63 cases were positive for Plasmodium falciparum and 37 cases were positive for P. vivax infection and 11 patients had mixed infection. The results of the blood groups showed 22 - 'A' group, 42 - 'B' group, 35 - 'O' group and 1 was 'AB' group. When the clinical courses between different groups were compared using the following parameters for severe infection--a parasitic load of >10/1000 RBCs, severe anemia with hemoglobin 101°F and other organ involvement, it was observed that 'O' group had an advantage over other the groups. The difference in rosetting ability between red blood cells of different 'ABO' blood groups with a diminished rosetting potential in blood group 'O' red blood cells was due to the differential host susceptibility. 'O' group had an advantage over the other three blood groups. Based on literature and the results of this study, the diminished rosetting potential in blood group 'O' red blood cells is suggested as the basis for the differential host susceptibility.

Tissue distribution of histo-blood group antigens

DEFF Research Database (Denmark)

Ravn, V; Dabelsteen, Erik

2000-01-01

carrier carbohydrate chains. Histo-blood group antigens are found in most epithelial tissues. Meanwhile, several factors influence the type, the amount, and the histological distribution of histoblood group antigens, i.e. the ABO, Lewis, and saliva-secretor type of the individual, and the cell- and tissue......The introduction of immunohistochemical techniques and monoclonal antibodies to specific carbohydrate epitopes has made it possible to study in detail the tissue distribution of histo-blood group antigens and related carbohydrate structures. The present paper summarizes the available data...... concerning the histological distribution of histo-blood group antigens and their precursor structures in normal human tissues. Studies performed have concentrated on carbohydrate antigens related to the ABO, Lewis, and TTn blood group systems, i.e. histo-blood group antigens carried by type 1, 2, and 3 chain...

ABO blood group and risk of cancer

DEFF Research Database (Denmark)

Vasan, Senthil K; Hwang, Jinseub; Rostgaard, Klaus

2016-01-01

groups and site-specific cancer risk in a large cohort of healthy blood donors from Sweden and Denmark. RESULTS: A total of 1.6 million donors were followed over 27 million person-years (20 million in Sweden and 7 million in Denmark). We observed 119,584 cancer cases. Blood groups A, AB and B were......INTRODUCTION: The associations between ABO blood group and cancer risk have been studied repeatedly, but results have been variable. Consistent associations have only been reported for pancreatic and gastric cancers. MATERIALS AND METHODS: We estimated associations between different ABO blood...... associated either with increased or decreased risk of cancer at 13 anatomical sites (p≤0.05), compared to blood group O. Consistent with assessment using a false discovery rate approach, significant associations with ABO blood group were observed for cancer of the pancreas, breast, and upper gastrointestinal...

Distribution of blood groups in blood donors in the blood bank of Jagdalpur, Bastar district, Chhattisgarh

Directory of Open Access Journals (Sweden)

Sachin A Badge

2017-01-01

Full Text Available Aims and Objectives: The incidence of ABO and rhesus (Rh groups varies markedly in different races, ethnic groups, and socioeconomic groups in different parts of the world. The frequencies of ABO and Rh blood groups vary from one population to another and time to time in the same region. The present study was carried out to find the distribution of blood group in rural and tribal populations of Bastar district of Chhattisgarh. Materials and Methods: The present retrospective study was carried out at late Shri Baliram Kashyap Memorial Government Medical College and Maharani Hospital blood bank, Jagdalpur, Bastar district, Chhattisgarh, India, during the 2-year period from January 2014 to December 2015. The blood collections were taken from the voluntary donors at outdoor blood donation camp and in-house blood bank as well as from replacement donors at blood bank. Totally 12,852 donors were considered medically fit and accepted for blood donation during the study period. Results: Out of the total 12,852 donors, most of the donors, i.e., 3996 (31.09% were with blood Group O followed by B (30.44%, A (24.95%, and AB (13.52%. Out of the 12,852 blood donors, majority, i.e., 12,779 (99.43% were male and 73 (0.57% were female. Maximum blood donors, i.e., 12,777 (99.42% were Rh positive while only 75 (0.58% were Rh negative. Conclusion: The knowledge of distribution of ABO and Rh blood groups at local and regional levels is helpful in effective management of blood banks and safe blood transfusion services.

Cardiovascular disease and ABO blood-groups in Africans. Are blood-group A individuals at higher risk of ischemic disease?: A pilot study.

Science.gov (United States)

Ba, Djibril Marie; Sow, Mamadou Saidou; Diack, Aminata; Dia, Khadidiatou; Mboup, Mouhamed Cherif; Fall, Pape Diadie; Fall, Moussa Daouda

2017-12-01

Since the discovery of the ABO blood group system by Karl Landsteiner in 1901, several reports have suggested an important involvement of the ABO blood group system in the susceptibility to thrombosis. Assessing that non-O blood groups in particular A blood group confer a higher risk of venous and arterial thrombosis than group O.Epidemiologic data are typically not available for all racial and ethnics groups.The purpose of this pilot study was to identify a link between ABO blood group and ischemic disease (ID) in Africans, and to analyze whether A blood group individuals were at higher risk of ischemic disease or not. A total of 299 medical records of patients over a three-year period admitted to the cardiology and internal medicine department of military hospital of Ouakam in Senegal were reviewed. We studied data on age, gender, past history of hypertension, diabetes, smoking, sedentarism, obesity, hyperlipidemia, use of estrogen-progestin contraceptives and blood group distribution.In each blood group type, we evaluated the prevalence of ischemic and non-ischemic cardiovascular disease. The medical records were then stratified into two categories to evaluate incidence of ischemic disease: Group 1: Patients carrying blood-group A and Group 2: Patients carrying blood group non-A (O, AB and B). Of the 299 patients whose medical records were reviewed, 92 (30.8%) were carrying blood group A, 175 (58.5%) had blood group O, 13 (4.3%) had blood group B, and 19 (6.4%) had blood group AB.The diagnosis of ischemic disease (ID) was higher in patients with blood group A (61.2%) than in other blood groups, and the diagnosis of non-ischemic disease (NID) was higher in patients with blood group O (73.6%) compared to other groups. In patients with blood group B or AB compared to non-B or non-AB, respectively there was no statistically significant difference in ID incidence.Main risk factor for ID was smoking (56.5%), hypertension (18.4%) and diabetes (14.3%).In our study

GAMBARAN ANTI HBc POSITIF PADA DONOR DARAH DENGAN HbsAG NEGATIF

Directory of Open Access Journals (Sweden)

Susila Sastri

2009-09-01

negatif dan antiHbc positif untuk memastikan darah donor tersebut tidak boleh ditransfusikan.Kata kunci: Skrining, HBV, HBsAg, Anti-HBc, donor darah  Abstract            HBsAg examination alone to screen for hepatitis B (HBV has not been able to guarantee freedom from HBV blood donor so that blood donors have not fulfilled the requirements to be transfused. Blood donors will be transfused donors should qualify them have never suffered from HBV. Screening of blood donors against HBV in the PMI only with HBsAg alone where the HBsAg test is negative at certain stages of HBV, in terms of donors suffering or recovering in HBV. Anti-HBc can provide information on HBV trip when combined with other HBV markers and anti-HBc last longer in the blood compared with other markers. HBsAg negative blood donors with anti-HBc positive than some previous research is still exist that contain HBV-DNA and can transmit HBV.Has done research on blood donors with anti-HBc test descriptively against HBsAg negative blood donors (n = 100 on the UTD PMI Branch of Padang in cross sectional study. Samples taken by proportional random sampling. Blood samples were HBsAg negative blood VDRL, HCV, HIV negative, all examined by the ELISA. The aim is to see the picture of positive anti-HBc in blood donors with HBsAg negative and look at the relationship between the index of HBsAg with anti-HBc index. Examination of anti-HBc by ELISA, equipment and reagents the same output. The results showed the frequency of positive anti-HBc in HBsAg negative blood donors by 27%, especially in men aged between 20-29 years (44.4%. There is a positive correlation between the index of negative HBsAg with anti-HBc index (r = 0.02. Anti-HBc positive are found in HBsAg negative index of 0.21 to 0.60 (76%. In conclusion, blood donors with negative HBsAg have been considered safe for transfusion is still likely to transmit HBV proven by the discovery of anti-HBc positive. Because it needs a further examination of HBV

Frequency of ABO and Rhesus blood groups among blood donors ...

African Journals Online (AJOL)

... the frequency of. ABO and Rhesus blood groups amongst blood donors in Lagos, Nigeria and ... geographical information that can advance the fields of blood transfusion, organ transplantation ..... alternative medicine in the management of ...

Detection of HBsAg and Anti HBc on donors of a blood bank by IRMA and ELISA methods

International Nuclear Information System (INIS)

Freire Martinez, D.Y.

1985-10-01

Comparative evaluation of two methods, Immunoradiometric Assay (IRMA) and Enzyme Immunoassay (ELISA), for detecting HBsAg and Anti HBc was made for determining which is the most advantageous and reliable. The study was made on 300 donors of the Hospital San Juan de Dios Blood Bank. In comparison with the reference method (IRMA), ELISA shows 91.67% of sensitivity. The Anti HBc detection by IRMA is more reliable than the HBsAg detection by IRMA and ELISA for determining the carrier state

ABO blood groups and rheumatic diseases.

Science.gov (United States)

Çildağ, Songül; Kara, Yasemin; Şentürk, Taşkın

2017-12-01

Various genetic and environmental risk factors have been shown to be associated with the incidence of rheumatic diseases. However, the pathogenesis of rheumatic diseases poorly understood. Several studies have shown associations of ABO blood groups with various diseases. Our study aimed to determine whether there is an association between the types of rheumatic diseases and ABO and Rh blood groups. The study included the patients, followed up at the Immunology-Rheumatology clinic between January 2016 and December 2016 for diagnosis of rheumatic disease, who had an ABO Rh blood data. Age, gender, type of rheumatic disease, ABO Rh blood groups were recorded. When 823 patients were assessed for blood types, 42.5% patients had A type, 33.2% had O type, 15.4% had B type, and 8.9% had AB type. There was significant difference in the distribution of blood types in rheumatic diseases. While SpA, vasculitis, UCTD, Behçet's and RA were more common in the patients with A blood type; FMF, SLE, SSc and SjS were more common in the patients with O blood type. In addition, the blood type where all the diseases are observed the least commonly was AB. There was significant difference in the distribution of Rh factor in rheumatic diseases. 92.2% patients were Rh positive and 7.8% patients were Rh negative. In our study, we thought that the higher incidence of different rheumatic diseases in different blood types was associated with different genetic predisposition.

Relationship between Serum Iron Profile and Blood Groups among the Voluntary Blood Donors of Bangladesh.

Science.gov (United States)

Hoque, M M; Adnan, S D; Karim, S; Al-Mamun, M A; Faruki, M A; Islam, K; Nandy, S

2016-04-01

Blood donation results in a substantial iron loss and subsequent mobilization from body stores. Chronic iron deficiency is a well-recognized complication of regular blood donation. The present study conducted to compare the level of serum ferritin, serum iron, total iron binding capacity (TIBC) and percentage transferrin saturation in different ABO and Rhesus type blood groups among the voluntary blood donors of Bangladesh. The present prospective study included 100 healthy voluntary donors attending at Department of Blood Transfusion, Dhaka Medical College, Dhaka between the periods of July 2013 to Jun 2014. From each donor 10mL venous blood sample was taken and divided into heparinized and non-heparinized tubes for determination of hemoglobin (Hb), hematocrit (Hct), serum iron (SI), total iron binding capacity (TIBC) and serum ferritin by standard laboratory methods. Percentage of transferrin saturation (TS) calculated from serum iron and TIBC. Data were analyzed with SPSS (version 16) software and comparisons between groups were made using student's t-test and one way ANOVA. In the present study mean±SD of age of the respondents was 27.2±6.5 years with a range of 18 to 49 years and 81.0% were male and 19.0% were female. Among the donors 18.0% had blood group A, 35.0% had blood group B, 14.0% had blood group AB and 33.0% had blood group O. Among the donors 91.0% had rhesus positive and 9.0% had rhesus negative. Donors with blood group O had lowest haemoglobin, serum iron and transferring saturation levels. Donors with blood group A had highest TIBC level. Donors with blood group B had lowest serum ferritin level. An independent samples 't' test showed statistically significant difference in serum ferritin and percentage transferrin saturation between blood group AB and blood group O and in percentage transferrin saturation between blood group B and blood group O. One way ANOVA showed that there is no significant difference in haemoglobin, serum iron, serum

Influence of ABO blood group on sports performance.

Science.gov (United States)

Lippi, Giuseppe; Gandini, Giorgio; Salvagno, Gian Luca; Skafidas, Spyros; Festa, Luca; Danese, Elisa; Montagnana, Martina; Sanchis-Gomar, Fabian; Tarperi, Cantor; Schena, Federico

2017-06-01

Despite being a recessive trait, the O blood group is the most frequent worldwide among the ABO blood types. Since running performance has been recognized as a major driver of evolutionary advantage in humans, we planned a study to investigate whether the ABO blood group may have an influence on endurance running performance in middle-aged recreational athletes. The study population consisted of 52 recreational, middle-aged, Caucasian athletes (mean age: 49±13 years, body mass index, 23.4±2.3 kg/m 2 ), regularly engaged in endurance activity. The athletes participated to a scientific event called "Run for Science" (R4S), entailing the completion of a 21.1 km (half-marathon) run under competing conditions. The ABO blood type status of the participants was provided by the local Service of Transfusion Medicine. In univariate analysis, running performance was significantly associated with age and weekly training, but not with body mass index. In multiple linear regression analysis, age and weekly training remained significantly associated with running performance. The ABO blood group status was also found to be independently associated with running time, with O blood type athletes performing better than those with non-O blood groups. Overall, age, weekly training and O blood group type explained 62.2% of the total variance of running performance (age, 41.6%; training regimen, 10.5%; ABO blood group, 10.1%). The results of our study show that recreational athletes with O blood group have better endurance performance compared to those with non-O blood group types. This finding may provide additional support to the putative evolutionary advantages of carrying the O blood group.

Relationship between ABO blood groups and oral cancer

Directory of Open Access Journals (Sweden)

Bushranaaz Fathima Jaleel

2012-01-01

Conclusion: By employing a simple blood grouping test during community field programs, people with blood group A in the age group of 40-59 years having tobacco chewing habits can be apprised that they are more at risk to develop oral cancer than people with other blood groups.

A survey on blood group determination

Science.gov (United States)

Radhika, K.; Sowjanya, S. J.; Ramya, T.

2018-04-01

Detection of blood group is an essential factor in critical conditions before performing blood transfer. At presently tests are conducted by lab technicians manually in the laboratory. When the test is done by technicians with large samples it becomes monotonous to do and sometimes it leads to incorrect results and even its time consuming to get the result. The research survey proposal is to reduce the physical work to identify the blood group with a paper-based device. The paper is having a long thermometer with two ends. By using this we can detect the blood type by changing the color of the paper. Chemical reactions between dye, Bromo creosol green, and blood serum proteins, were performed to test the blood sample. The paper becomes teal or brown color, depending on whether the association of antibodies and antigens are present. It gives the result within 30 seconds, which is quicker than traditional detection system. The tested blood sample had a good accuracy rate.

Low occurrence of HBsAg but high frequency of transient occult HBV infection in vaccinated and HBIG-administered infants born to HBsAg positive mothers.

Science.gov (United States)

Zhou, Shan; Li, Tingting; Allain, Jean-Pierre; Zhou, Bin; Zhang, Yuming; Zhong, Mei; Fu, Yongshui; Li, Chengyao

2017-12-01

The status of chronic and occult HBV infection (OBI) in neonatal hepatitis B vaccine and immunoglobulin (HBIG) vaccinated infants born to HBsAg+ mothers was investigated at a major hospital in China. Seventy-seven and 15 blood samples were collected in first or second follow-up detection from the vaccinated babies aged 3-36 months born to 43 HBsAg+ or plus 25 HBeAg+ mothers. HBV infection was analyzed between the paired baby and mother by serology and DNA analysis. Among 77 children born to 68 HBsAg+ mothers, 3.9% (3/77) were HBsAg+, and 36.4% (28/77) were HBV DNA+/HBsAg- (OBIs) by a single PCR, respectively. Thirteen of 28 HBV DNA+/HBsAg- samples were conformed by two PCRs or S sequence, which accounted for 16.9% (13/77) of children. Three HBsAg+ and six OBIs were genotyped in consistent with their mother's HBV strains. Of 77 babies' blood samples, anti-HBs reactivity varied slightly according to age groups, while passively transmitted anti-HBc reactivity declined from 100% high reactivity at age 3-5 months to mostly negative at age ≥12 months. Babies with apparent OBI had higher levels of anti-HBc and lower levels of anti-HBs than those without OBI but all eight OBI babies with second follow-up samples became HBV DNA negative beyond 1 year of age. The vaccinated infants born to HBsAg+ mothers presented the low rate of HBsAg occurrence as vaccination failure and high frequency of viral persistence in the form of transient OBIs since no evidence of active HBV infection occurred beyond 1 year of age. © 2017 Wiley Periodicals, Inc.

A micro-Raman study of live, single red blood cells (RBCs treated with AgNO3 nanoparticles.

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Aseefhali Bankapur

Full Text Available Silver nanoparticles (Ag NPs are known to exhibit broad antimicrobial activity. However, such activity continues to raise concerns in the context of the interaction of such NPs with biomolecules. In a physiological environment NPs interact with individual biological cells either by penetrating through the cell membrane or by adhering to the membrane. We have explored the interaction of Ag NPs with single optically-trapped, live erythrocytes (red blood cells, RBCs using Raman Tweezers spectroscopy. Our experiments reveal that Ag NPs induce modifications within an RBC that appear to be irreversible. In particular we are able to identify that the heme conformation in an RBC transforms from the usual R-state (oxy-state to the T-state (deoxy-state. We rationalize our observations by proposing a model for the nanoparticle cytotoxicity pathway when the NP size is larger than the membrane pore size. We propose that the interaction of Ag NPs with the cell surface induces damage brought about by alteration of intracellular pH caused by the blockage of the cell membrane transport.

The HBsAg Prevalence Among Blood Donors From Eastern Mediterranean and Middle Eastern Countries: A Systematic Review and Meta-Analysis.

Science.gov (United States)

Babanejad, Mehran; Izadi, Neda; Najafi, Farid; Alavian, Seyed Moayed

2016-03-01

The world health organization (WHO) recommends that all blood donations should be screened for evidence of infections, such as hepatitis B. The present study aimed to determine the prevalence of hepatitis B surface antigen (HBsAg) in blood donors at the eastern Mediterranean region office (EMRO) of the WHO and middle eastern countries. A meta-analysis was carried out based on the results of an electronic literature search of PubMed, Ovid, Scopus, and Google Scholar for articles published from January 1, 2000, to August 31, 2015. In accordance with a significant homogeneity test and a large value of I2, the random effects model was used to aggregate data from the studies and produce the pooled estimates using the "Metan" command. We included 66 eligible studies. The pooled prevalence of HBsAg in blood donors of both EMRO and middle eastern (E and M) countries was 2.03% (95% confidence interval [CI]: 1.79 - 2.26). In addition, the prevalence rates in the EMRO countries was 1.99% (95% CI: 1.84 - 2.14) and 1.62% in the Middle Eastern countries (95% CI: 1.36 - 1.88). The prevalence among blood donors with more than one study was 1.58% in Egypt, 0.58% in Iran, 0.67% in Iraq, 2.84% in Pakistan, 3.02% in Saudi Arabia, 1.68% in Turkey, and 5.05% in Yemen. Based on the WHO classification of hepatitis B virus (HBV) prevalence, the prevalence of HBsAg in blood donors from E and M countries reached an intermediate level. However, there were low prevalence levels in some E and M countries.

Is There an Association between Keloids and Blood Groups?

Science.gov (United States)

Mouhari-Toure, Abas; Saka, Bayaki; Kombaté, Koussaké; Akakpo, Sefako; Egbohou, Palakiyem; Tchangaï-Walla, Kissem; Pitche, Palokinam

2012-01-01

Objective. The aim of the study is to investigate the possible associations between the blood groups ABO and Rhesus systems and the presence of keloids in patients with black skin. Method. This case-control study was conducted between September 2007 and August 2011 comparing dermatologic outpatients with keloids to matched controls recruited in preanesthetic consultation at Tokoin Teaching Hospital of Lomé (Togo). Results. The distribution of different ABO blood groups and Rhesus blood groups in both groups (cases versus controls) was not significantly different. This distribution of different blood groups was superimposed on the general population of blood donors at the National Blood Transfusion Center of Lomé. Univariate analysis between each blood group and the presence of keloid does not yield any statistically significant association between blood groups and presence of keloids in the subjects. Conclusion. The study shows no significant association between blood groups and the presence of keloids in our patients. Further investigation needs to be conducted to elucidate this hypothesis further by conducting multicenter studies of several ethnic groups.

Antibody to histo-blood group A antigen neutralizes HIV produced by lymphocytes from blood group A donors but not from blood group B or O donors

DEFF Research Database (Denmark)

Arendrup, M; Hansen, J E; Clausen, H

1991-01-01

Three virus isolates HTLV-IIIB/lyA, HTLV-IIIB/lyB and HTLV-IIIB/lyO, obtained by passaging and propagating the HTLV-IIIB/H9 isolate in three separate cultures of mixed peripheral blood mononuclear cells (PBMC) from donors of blood type A, B or O, respectively, were tested for susceptibility...... for virus neutralization by the monoclonal antibody (MAb) AH16 directed against the blood group A epitope. MAb AH16 was previously shown to inhibit cell-free virus infection using HTLV-IIIB propagated in H9 cells. AH16 showed a concentration-dependent inhibition of the HTLV-IIIB/lyA isolate but did...... not inhibit the HTLV-IIIB/lyB or the HTLV-IIIB/lyO isolate. Specificity of the MAb-mediated inhibition was shown using A-antigen (tetrasaccharide). Thus, HIV infection of PBMC from donors with blood type A appears to induce expression of host-cell-encoded carbohydrate blood group A epitope on HIV which can...

Antibody to histo-blood group A antigen neutralizes HIV produced by lymphocytes from blood group A donors but not from blood group B or O donors

DEFF Research Database (Denmark)

Arendrup, M; Hansen, J E; Clausen, H

1991-01-01

Three virus isolates HTLV-IIIB/lyA, HTLV-IIIB/lyB and HTLV-IIIB/lyO, obtained by passaging and propagating the HTLV-IIIB/H9 isolate in three separate cultures of mixed peripheral blood mononuclear cells (PBMC) from donors of blood type A, B or O, respectively, were tested for susceptibility...... not inhibit the HTLV-IIIB/lyB or the HTLV-IIIB/lyO isolate. Specificity of the MAb-mediated inhibition was shown using A-antigen (tetrasaccharide). Thus, HIV infection of PBMC from donors with blood type A appears to induce expression of host-cell-encoded carbohydrate blood group A epitope on HIV which can...... for virus neutralization by the monoclonal antibody (MAb) AH16 directed against the blood group A epitope. MAb AH16 was previously shown to inhibit cell-free virus infection using HTLV-IIIB propagated in H9 cells. AH16 showed a concentration-dependent inhibition of the HTLV-IIIB/lyA isolate but did...

Cheiloscopy and blood groups: Aid in forensic identification.

Science.gov (United States)

Karim, Bushra; Gupta, Devanand

2014-10-01

Every person has certain features that make them radically distinct from others. One such feature is lip prints. Lip prints remain the same throughout life and are uninfluenced by injuries, diseases, or environmental changes. Different individuals have specific blood groups according to the various antigen-antibody reactions in their bloodstream. To determine the distribution of different patterns of lip prints among subjects having different ABO and Rh blood groups. To determine the correlation between respective characteristics of subjects. In this study, lip prints were obtained from 122 subjects (62 males and 60 females), and associated blood-group matching was performed to determine the predominant lip print type and to determine any correlation between lip print types and blood groups. Tsuchihashi's classification of type I (complete vertical grooves), type I' (incomplete vertical grooves), type II (forking grooves), type III (intersecting grooves), type IV (reticular grooves), and type V (indeterminate grooves) was used to compare with the ABO and Rh blood grouping systems. No correlation was found between lip prints and blood groups. No significant correlation exists between blood group and lip prints. Lip prints play a vital role in identification because they are unique.

Construction of a non-enzymatic sensor based on the poly(o-phenylenediamine)/Ag-NPs composites for detecting glucose in blood

Energy Technology Data Exchange (ETDEWEB)

Wang, Jinxiang; Wang, Meirong [College of Chemistry and Chemical Engineering, Jiangsu Key Laboratory of Environmental Engineering and Monitoring, Yangzhou University, 180 Si–Wang–Ting Road, Yangzhou 225002 (China); Guan, Jun [Clinical Medical College of Yangzhou University, Subei People' s Hospital of Jiangsu Province, Yangzhou 225002 (China); Wang, Chengyin, E-mail: wangcy@yzu.edu.cn [College of Chemistry and Chemical Engineering, Jiangsu Key Laboratory of Environmental Engineering and Monitoring, Yangzhou University, 180 Si–Wang–Ting Road, Yangzhou 225002 (China); Wang, Guoxiu [School of Mathematical and Physical Sciences, University of Technology Sydney, City Campus, Broadway, Sydney, NSW 2007 (Australia)

2017-02-01

A non-enzymatic glucose sensor, based on the silver nanoparticles (Ag-NPs)/poly (o-phenylenediamine) (PoPD) composites, is developed by the electrochemical polymerization of o-phenylenediamine and electrodeposition of silver nanoparticles on an indium tin oxide electrode. The Ag-NPs/PoPD composites are characterized by atomic force microscopy, scanning electronic microscopy and energy dispersive spectrometer. Under the optimized experimental conditions, the proposed glucose sensor demonstrates a wide linear range from 0.15 to 13 mmol L{sup −1} with a correlation coefficient of 0.998. The proposed glucose sensor can be used to detect glucose in blood sample with a satisfactory result. In addition, the proposed sensor presents the advantages, such as facile preparation, low cost, high sensitivity and fast response time. It also exhibits good anti-interference performance and stability. - Highlights: • A facile AgNPs/PoPD/ITO modified sensor was developed for the first time. • The non-enzymatic sensor can detect glucose in human blood directly with a wide detection range. • This sensor is of rapid response, low cost, high sensitivity, and long-time stability.

ABO blood groups and psychiatric disorders: a Croatian study.

Science.gov (United States)

Pisk, Sandra Vuk; Vuk, Tomislav; Ivezić, Ena; Jukić, Irena; Bingulac-Popović, Jasna; Filipčić, Igor

2018-02-15

The prevalence of ABO alleles is different in different populations, and many studies have shown a correlation between the occurrences of some diseases and different genotypes of ABO blood groups. The aim of this study was to determine whether there is a significant association between psychiatric syndromes and ABO blood groups. This case-control study involved 156 psychiatric patients and 303 healthy, unrelated, voluntary blood donors. Genomic DNA was isolated from blood on a QIAcube device using a QIAamp DNA Blood mini QIAcube kit. ABO genotyping on five basic ABO alleles was performed using allele-specific polymerase chain reaction analysis. Compared with healthy subjects, a significantly higher proportion of psychiatric patients had AB blood group (χ 2 =9.359, df=3, p=0.025) and, accordingly, a significantly higher incidence of A1B genotype (χ 2 =8.226, df=3, p=0.042). The odds ratio showed that psychiatric disorders occur almost three times more frequently in carriers of AB group compared to other blood groups. However, no statistically significant difference was found in the distribution of ABO blood groups among patients with different psychiatric diagnoses. Likewise, no correlations were found between ABO blood groups and other characteristics of the psychiatric patients (sex, psychiatric heredity, somatic comorbidity, suicidality). The results of this study support the hypothesis of an association between psychiatric disorders and ABO blood groups. The probability is that psychiatric disorders will occur almost three times more frequently in carriers of AB group compared to other ABO blood groups in the Croatian population.

Postlingual hearing loss as a mitochondrial 3243A>G mutation phenotype.

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Katarzyna Iwanicka-Pronicka

Full Text Available BACKGROUND: The prevalence of isolated hearing loss (HL associated with the m.3243A>G mutation is unknown. The aim of this study was to assess the frequency and heteroplasmy level of the m.3243A>G mutation in a large group of Polish patients with postlingual bilateral sensorineural HL of unidentified cause. METHODOLOGY/PRINCIPAL FINDINGS: A molecular search was undertaken in the archival blood DNA of 1482 unrelated patients with isolated HL that had begun at ages between 5 and 40 years. Maternal relatives of the probands were subsequently investigated and all carriers underwent audiological tests. The m.3243A>G mutation was found in 16 of 1482 probands (an incidence of 1.08% and 18 family members. Of these 34 individuals, hearing impairment was detected in 29 patients and the mean onset of HL was at 26 years. Some 42% of the identified m.3243A>G carriers did not develop multisystem symptomatology over the following 10 years. Mean heteroplasmy level of m.3243A>G was lowest in blood at a level of 14% and highest in urine at 58%. These values were independent of the manifested clinical severity of the disease. CONCLUSIONS: A single m.3243A>G carrier can usually be found among each 100 individuals who have postlingual hearing loss of unknown cause. Urine samples are best for detecting the m.3243A>G mutation and diagnosing mitochondrially inherited hearing loss.

The effects of Anadara granosa shell-Stichopus hermanni on bFGF expressions and blood vessel counts in the bone defect healing process of Wistar rats

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Rima Parwati Sari

2017-12-01

Full Text Available Background: Bone damage can be caused by various factors with treatment usually involving graft materials being applied to the defective area. Moreover, in the bone defect healing process, blood vessels are also considered to be an important energy source for cell proliferation. One of the angiogenic factors playing an important role in blood vessel formation is basic fibroblast growth factor (bFGF. Furthermore, synthesized hydroxyapatite derived from Anadara granosa (AG shells constitutes one of the potential materials for use in bone graft. The gold sea cucumber genus Stichopus hermanni (SH possesses the ability to stimulate endothelial progenitor cells inducing bFGF. Purpose: This study aims to investigate the effects of AG shells and SH on bFGF expressions and blood vessel counts within the bone healing process. Methods: Twenty four male Wistar rats were divided into three groups, namely: a control group (C, a treatment group was administered with blood cockle shell (AG, and a treatment group with blood cockle shell and golden sea cucumber (AG+SH. Defects were made on their femurs measuring half the diameter of a circular, no. 018. bur These rats were subsequently sacrificed on day 7 after surgery. The expressions of bFGF were measured by means of IHC technique, while the number of blood vessels was quantified using HE technique. The resulting data was subjected to statistical analysis using an Anova test followed by an LSD test (p < 0.05. Results: The one-way Anova test results combined with those of an LSD test showed there to be significant differences in bFGF expressions and blood vessel counts between the control group (K and the treatment group (AG as well as between the treatment group (AG and the treatment group (AG+SH. Conclusions: A combination of Anadara granosa shell and Stichopus hermanni can increase the expression of bFGF and the number of blood vessels on day 7 during the bone healing process in Wistar rats.

Distribution of ABO Blood Groups and Coronary Artery Calcium.

Science.gov (United States)

Wang, Yao; Zhou, Bing-Yang; Zhu, Cheng-Gang; Guo, Yuan-Lin; Wu, Na-Qiong; Qing, Ping; Gao, Ying; Liu, Geng; Dong, Qian; Li, Jian-Jun

2017-06-01

ABO blood groups have been confirmed to be associated with cardiovascular diseases such as coronary artery disease. However, whether ABO blood group is correlated with coronary artery calcium (CAC) is still unknown. 301 patients with coronary artery calcium score (CACS) assessed by computed tomography were consecutively enrolled and divided into two groups: with calcium group (CACS>0, n=104) and without calcium group (CACS=0, n=197). Distribution of ABO blood groups was evaluated between the two groups. The percentage of A blood type was significantly higher (p=0.008) and O blood type was significantly lower (p=0.037) in the calcium group. Univariate regression analysis showed that age, total cholesterol, low density lipoprotein cholesterol, high-sensitivity C-reactive protein, A blood type were positively correlated with CAC, and O blood type was inversely associated with CAC. Multivariate regression analysis showed that A blood type was independently associated with CAC (odds ratio: 2.217, 95% confidence interval: 1.260-3.900, p=0.006) even after further adjustment for variables that were clearly different between the two groups. Our data has suggested for the first time that A blood type was an independent risk marker for CAC. Copyright © 2016 Australian and New Zealand Society of Cardiac and Thoracic Surgeons (ANZSCTS) and the Cardiac Society of Australia and New Zealand (CSANZ). Published by Elsevier B.V. All rights reserved.

Blood groups and acute aortic dissection type III.

Science.gov (United States)

Fatic, Nikola; Nikolic, Aleksandar; Vukmirovic, Mihailo; Radojevic, Nemanja; Zornic, Nenad; Banzic, Igor; Ilic, Nikola; Kostic, Dusan; Pajovic, Bogdan

2017-04-01

Acute aortic type III dissection is one of the most catastrophic events, with in-hospital mortality ranging between 10% and 12%. The majority of patients are treated medically, but complicated dissections, which represent 15% to 20% of cases, require surgical or thoracic endovascular aortic repair (TEVAR). For the best outcomes adequate blood transfusion support is required. Interest in the relationship between blood type and vascular disease has been established. The aim of our study is to evaluate distribution of blood groups among patients with acute aortic type III dissection and to identify any kind of relationship between blood type and patient's survival. From January 2005 to December 2014, 115 patients with acute aortic type III dissection were enrolled at the Clinic of Vascular and Endovascular Surgery in Belgrade, Serbia and retrospectively analyzed. Patients were separated into two groups. The examination group consisted of patients with a lethal outcome, and the control group consisted of patients who survived. The analysis of the blood groups and RhD typing between groups did not reveal a statistically significant difference ( p = 0.220). Our results indicated no difference between different blood groups and RhD typing with respect to in-hospital mortality of patients with acute aortic dissection type III.

Frequency of ABO, subgroup ABO and Rh(D) blood groups in major sudanese ethnic groups

International Nuclear Information System (INIS)

Hassan, F.M.

2010-01-01

Background: There are differences in the distribution of ABO, sub group A BO and Rh(D) blood groups in different populations of the world. Relatively little information is available about blood group distributions in Sudanese population. To see the frequency of ABO, subgroup ABO and Rh(D) blood groups in major Sudanese ethnic groups(Danagla Shaygia and Gaaleen). Blood testing for ABO, subgroup ABO and Rh(D) typing was done over six months, in 300 unrelated individuals, from both genders. Blood samples were collected from students of the college of medical laboratory science - Sudan University of Science and Technology using finger prick method and following routine slide method. Blood group 'O' was the most predominant ( 52.7%) in both Rh positive and negative subjects followed by blood group A, B and AB. Majority (98.0%)o f the subjects were Rh(D) positive and only 2% were Rh negative. The predominant subgroup of ABO was A2 (14.1% ). The frequency of ABO blood groups in both Rh positive and negative subjects among the major Sudanese ethnic group was similar to that reported from neighbouring regions. (author)

Blood-group-Ii-active gangliosides of human erythrocyte membranes

International Nuclear Information System (INIS)

Feizi, T.; Childs, R.A.; Hakomori, S.-I.; Powell, M.E.

1978-01-01

More than ten new types of gangliosides, in addition to haematoside and sialosylparagloboside, were isolated from human erythrocyte membranes. These were separated by successive chromatographies on DAEA-Sephadex, on porous silica-gel columns and on thin-layer silica gel as acetylated compounds. Highly potent blood-group-Ii and moderate blood-group-H activities were demonstrated in some of the ganglioside fractions. The gangliosides incorporated into chlolesterol/phosphatidylcholine liposomes stoicheiometrically inhibited binding of anti-(blood-group-I and i) antibodies to a radioiodinated blood-group-Ii-active glycoprotein. The fraction with the highest blood-group-I activity, I(g) fraction, behaved like sialosyl-deca- to dodeca-glycosylceramides on t.l.c. Certain blood-group-I and most of the i-determinants were in partially or completely cryptic form and could be unmasked by sialidase treatment. Thus the I and i antigens, which are known to occur on internal structures of blood-group-ABH-active glycoproteins in secretions, also occur in the interior of the carbohydrate chains of erythrocyte gangliosides. (author)

Association of ABO and Rh blood groups with breast cancer.

Science.gov (United States)

Meo, Sultan Ayoub; Suraya, Faryal; Jamil, Badar; Rouq, Fwziah Al; Meo, Anusha Sultan; Sattar, Kamran; Ansari, Mohammad Javed; Alasiri, Saleh A

2017-11-01

The aim of this study was to determine the association of "ABO" and "Rhesus" blood groups with incidence of breast cancer. In this study, we identified 70 research documents from data based search engines including "PubMed", "ISI-Web of Knowledge", "Embase" and "Google Scholar". The research papers were selected by using the primary key-terms including "ABO blood type", "Rhesus" blood type and "breast cancer". The research documents in which "ABO" and "Rhesus" blood types and breast cancer was debated were included. After screening, we reviewed 32 papers and finally we selected 25 research papers which met the inclusion criteria and remaining documents were excluded. Blood group "A" has high incidence of breast cancer (45.88%), blood group "O" has (31.69%); "B" (16.16%) and blood group "AB" has (6.27%) incidence of breast cancer. Blood group "A" has highest and blood group "AB" has least association with breast cancer. Furthermore, "Rhesus +ve" blood group has high incidence of breast cancer (88.31%) and "Rhesus -ve" blood group has least association with breast cancer (11.68%). Blood group "A" and "Rhesus +ve" have high risk of breast cancer, while blood type "AB" and "Rhesus -ve" are at low peril of breast cancer. Physicians should carefully monitor the females with blood group "A" and "Rh +ve" as these females are more prone to develop breast cancer. To reduce breast cancer incidence and its burden, preventive and screening programs for breast cancer especially in young women are highly recommended.

ABO, rhesus blood groups and transfusion-transmitted infections ...

African Journals Online (AJOL)

Background: Few studies focused on the study of blood groups in Gabon. This study aimed to determine the phenotypic frequency of ABO and Rhesus antigens in blood donors of Libreville and to assess the association between ABO blood groups and transfusion-transmitted infections. Materials and Methods: The study of ...

Qualitative analysis fingertip patterns in ABO blood group

OpenAIRE

S. V. KShirsagar

2013-01-01

The inheritance of the dermatoglyphic patterns is polygenic. The genetic basis of the blood group is well established. The correlation between the dermatoglyphic patterns and the ABO blood group is studied by some workers in different populations. In the present study, the correlation between dermatoglyphics and ABO blood group is studied in the Marathwada Region of Maharashtra. The qualitative data included fingertip patterns and three indices. It was observed that, the Arch pattern is more ...

Helicobacter pylori infection according to ABO blood group among blood donors in Kosovo

OpenAIRE

Bukurije Zhubi; Zana Baruti-Gafurri; Ymer Mekaj; Mimoza Zhubi; Idriz Merovci; Iliriane Bunjaku; Valdete Topciu; Emine Devoli-Disha

2011-01-01

Introduction: Numerous studies have reported a high prevalence of Helicobacter pylori infection among healthy and non-healthy persons in different places. The Aim of the study is to investigate the seroprevalence of H. pylori infection among Kosovo’s Blood donor associated with ABO/Rhesus blood group.Methods: 671 blood donors are tested for H. pylori antibodies and results are classifi ed by way of donation, age, gender, blood groups and education level. Serum antibodies are analyzed by Enzym...

Delta check for blood groups: A step ahead in blood safety

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Raj Nath Makroo

2017-01-01

Conclusion: Delta checks proved to be an effective tool for detecting blood group errors and prevention of accidental mismatched blood transfusions. Preanalytical errors in patient identification or sample labeling were the most frequent.

76 FR 26583 - Implementation of the Understandings Reached at the 2010 Australia Group (AG) Plenary Meeting and...

Science.gov (United States)

2011-05-09

... DEPARTMENT OF COMMERCE Bureau of Industry and Security 15 CFR Part 774 [Docket No. 110106012-1013-01] RIN 0694-AF04 Implementation of the Understandings Reached at the 2010 Australia Group (AG) Plenary Meeting and Other AG-Related Clarifications and Corrections to the EAR Correction In rule document...

Reduced ferritin levels in individuals with non-O blood group

DEFF Research Database (Denmark)

Rigas, Andreas S; Berkfors, Adam A; Pedersen, Ole B

2017-01-01

stores expressed as ferritin levels. STUDY DESIGN AND METHODS: Ferritin levels were measured at least once for 30,595 Danish Blood Donor Study participants. Linear regression analyses were performed with the ABO blood group as explanatory variable and adjusted for age, number of donations 3 years before......BACKGROUND: Genomewide association studies have reported alleles in the ABO locus to be associated with ferritin levels. These studies warrant the investigation of a possible association between the ABO blood group and ferritin levels. We aimed to explore if ABO blood group is associated with iron...... blood group was associated with a ferritin level of less than 15 ng/mL. RESULTS: Non-O blood group donors had lower ferritin levels than blood group O donors, regardless of sex. Accordingly, risk of ferritin level of less than 15 ng/mL was increased for individuals with non-O blood group compared with O...

rights reserved Relationship between ABO Blood Groups and Lipid

African Journals Online (AJOL)

ADOWIE PERE

Key Words: Lipoproteins, Blood groups, cardiovascular diseases, triglycerides. After the discovery of ABO blood groups. (Lansteiner, 1900), several studies have reported that the occurence of some diseases can be correlated with blood group types e.g. carcinoma of stomach (Aird et al., 1953), cardiometabolic diseases ...

Detection of silver-stained nucleolar organizer regions in the peripheral blood T lymphocytes in nasopharyngeal carcinoma patients

International Nuclear Information System (INIS)

Li Xianming; Wu Dong; Chen Shanyi; Ren Zheping; Chen Yixin; Wang Xiuqing

2002-01-01

Objective: To evaluate the clinical significance of detecting silver-stained nucleolar organizer regions (Ag-NOR) in the peripheral blood T lymphocytes in nasopharyngeal carcinoma (NPC) patients. Methods: Ag-NOR in the peripheral blood T lymphocytes detected in 36 healthy subjects served as control. Those in 73 newly diagnosed but untreated, 11 recurrent (and/or metastatic) and 32 treated NPC patients in follow-up were monitored. The dynamic variations in the level of Ag-NORs in the peripheral blood T lymphocytes in the pre-radiotherapy (pre-RT), during RT and post-RT were evaluated in part of the newly diagnosed patients. Results: The level of Ag-NORs in the peripheral blood T lymphocytes in all groups of NPC patients were significantly lower as compared to the health controls (P 0.05). The level of Ag-NORs during RT significantly decreased as compared to that of pre-RT (P 0.05). Conclusions: Detection of Ag-NORs in the peripheral blood T lymphocytes is of significance in evaluating the outcome, predicting prognosis and even in making the diagnosis and staging for NPC patients

Real-time pcr (qpcr) assay for rhizoctonia solani anastomoses group ag2-2 iiib

International Nuclear Information System (INIS)

Abbas, S.J.; Ahmad, B.

2014-01-01

Rhizoctonia solani anastomosis group AG2-2 IIIB is a severe sugar beet and maize pathogen. It causes crown and root rot disease which leads to yield losses world-wide. The soil-borne pathogen is difficult to detect and quantify by conventional methods. We developed a real-time PCR (qPCR) assay for the quantification of genomic DNA of Rhizoctonia solani AG2-2 IIIB based on the ITS region of rDNA genes. The limit of quantification of the assay is 1.8 pg genomic DNA. The amplification efficiency was 96.4. The assay will be helpful in the diagnoses of Rhizoctonia solani infection of sugar beet and maize roots and in the quantification of R. solani AG2-2 IIIB inoculum in plant debris and soil. (author)

Assessing ABO/Rh Blood Group Frequency and Association with Asymptomatic Malaria among Blood Donors Attending Arba Minch Blood Bank, South Ethiopia

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Getaneh Alemu

2016-01-01

Full Text Available Background. Determination of the various ABO/Rh blood group distributions and their association with malaria infection has paramount importance in the context of transfusion medicine and malaria control. Methods. Facility based cross-sectional study was conducted from February to June, 2015, to assess ABO/Rh blood groups distribution and their association with asymptomatic malaria. A structured questionnaire was used to collect data. Blood grouping was done using monoclonal antibodies. Thin and thick blood films were examined for Plasmodium parasites. Data were analyzed using SPSS version 20.0. Results. A total of 416 blood donors participated with median age of 22±0.29 (median ± standard error of the mean. Distribution of ABO phenotypes, in decreasing order, was O (175, 42.1%, A (136, 32.7%, B (87, 20.9%, and AB (18, 4.3%. Most of them were Rh+ (386, 92.8%. The overall malaria prevalence was 4.1% (17/416. ABO blood group is significantly associated with malaria infection (P=0.022. High rate of parasitemia was seen in blood group O donors (6.899, P=0.003 compared to those with other ABO blood groups. Conclusion. Blood groups O and AB phenotypes are the most and the least ABO blood groups, respectively. There is significant association between ABO blood group and asymptomatic malaria parasitemia.

Paper-based device for rapid typing of secondary human blood groups.

Science.gov (United States)

Li, Miaosi; Then, Whui Lyn; Li, Lizi; Shen, Wei

2014-01-01

We report the use of bioactive paper for typing of secondary human blood groups. Our recent work on using bioactive paper for human blood typing has led to the discovery of a new method for identifying haemagglutination of red blood cells. The primary human blood groups, i.e., ABO and RhD groups, have been successfully typed with this method. Clinically, however, many secondary blood groups can also cause fatal blood transfusion accidents, despite the fact that the haemagglutination reactions of secondary blood groups are generally weaker than those of the primary blood groups. We describe the design of a user-friendly sensor for rapid typing of secondary blood groups using bioactive paper. We also present mechanistic insights into interactions between secondary blood group antibodies and red blood cells obtained using confocal microscopy. Haemagglutination patterns under different conditions are revealed for optimization of the assay conditions.

Helicobacter pylori infection according to ABO blood group among blood donors in Kosovo

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Bukurije Zhubi

2011-09-01

Full Text Available Introduction: Numerous studies have reported a high prevalence of Helicobacter pylori infection among healthy and non-healthy persons in different places. The Aim of the study is to investigate the seroprevalence of H. pylori infection among Kosovo’s Blood donor associated with ABO/Rhesus blood group.Methods: 671 blood donors are tested for H. pylori antibodies and results are classifi ed by way of donation, age, gender, blood groups and education level. Serum antibodies are analyzed by Enzyme Linked Fluorescent Assay test for H. pylori IgG with Biomerieux HPY-VIDAS.Results: The frequency of IgG antibody for H. pylori among healthy blood donors is 56.9%, there is not found any difference between voluntary and non-voluntary blood donors (57.4% respectively 56.3%(OR=1.05; 95% CI 0.76 to 1.43; p=0.8. H pylori IgG antibodies positive are detected in 57.0 % ( 126 of 221 of women, compared with 56.9 % ( 256 of 450 of men(OR=0.99; 95% CI 0.72 to 1.38; p=0.96. Serpositive donors are older than seronegative ones (31.9 years, respectively 29.5 years, p=0.02. Mean value of IgG antibody of H. pylori is 3.61 with no significant difference between males and females (3.72 respectively 3.44; p=0.2. The seroprevalence of H. pylori infection is similar among blood groups: O (57.4%, A (56.2%, B (59.6%, AB (51.4%, RhD positive (56.7% and RhD negative (58.3%.Conclusions: The seropositivity of H. pylori is moderately higher in the non voluntary and familiar blood donors among the total Kosovo blood donors. There is not found a significant relationship between infection with H. pylori and ABO/Rhesus blood group among blood donors.

7 PREVALENCE OF Rh AND ABO BLOOD GROUPS IN HIV ...

African Journals Online (AJOL)

Bioline

Summary: HIV status and blood groups determination (Rhesus and ABO groups) in 3691 pregnant ... quick test kits and tested for blood group types with anti-sera A,B,AB, and D. Overall, the prevalence of blood group .... Theory,Techniques,.

Glioblastoma and ABO blood groups: further evidence of an association between the distribution of blood group antigens and brain tumours.

Science.gov (United States)

Allouh, Mohammed Z; Al Barbarawi, Mohammed M; Hiasat, Mohammad Y; Al-Qaralleh, Mohammed A; Ababneh, Emad I

2017-10-01

Glioblastoma is a highly malignant brain tumour that usually leads to death. Several studies have reported a link between the distribution of ABO blood group antigens and a risk of developing specific types of cancer, although no consensus has been reached. This study aims to investigate the relationship between the distribution of ABO blood group antigens and the incidence of glioblastoma. The study cohort consisted of 115 glioblastoma patients who were diagnosed at King Abdullah University Hospital, Jordan, between 2004 and 2015. Three different patient populations made up three control groups and these were selected from among patients at the same institution between 2014 and 2015 as follows: 3,847 healthy blood donors, 654 accidental trauma patients admitted to the Departments of Neurosurgery and Orthopaedics, and 230 age- and sex-matched control subjects recruited blindly from the Departments of Paediatrics and Internal Medicine. There was a significant association between the distribution of ABO blood group antigens and the incidence of glioblastoma. Post hoc residual analysis revealed that individuals with group A had a higher than expected chance of developing glioblastoma, while individuals with group O had a lower than expected chance. Furthermore, individuals with group A were found to be at a 1.62- to 2.28-fold increased risk of developing glioblastoma compared to individuals with group O. In the present study, we demonstrate that, in Jordan, individuals with group A have an increased risk of developing glioblastoma, while individuals with group O have a reduced risk. These findings suggest that the distribution of ABO blood group antigens is associated with a risk of brain tumours and may play an important role in their development. However, further clinical and experimental investigations are required to confirm this association.

Blood group genotyping: from patient to high-throughput donor screening

NARCIS (Netherlands)

Veldhuisen, B.; van der Schoot, C. E.; de Haas, M.

2009-01-01

Blood group antigens, present on the cell membrane of red blood cells and platelets, can be defined either serologically or predicted based on the genotypes of genes encoding for blood group antigens. At present, the molecular basis of many antigens of the 30 blood group systems and 17 human

ABO-Rh blood groups distribution in cardiac syndrome X patients.

Science.gov (United States)

Kheradmand, Fatemeh; Rasmi, Yousef; Nemati, Mohaddeseh; Mohammadzad, Mir Hossein Seyed

2012-07-01

Data on frequency distribution of ABO-Rh blood groups in cardiac syndrome X (CSX) patients are not available. We aimed to investigate the distribution of ABO-Rh blood groups in these patients. A total of 247 CSX patients' records were reviewed in a cross-sectional study from 2006 to 2010. One hundred forty six patients (59.1%) were female, and the mean patient age was 52 ± 11 years. The frequency of ABO-Rh blood groups was compared to the frequency of these blood groups in the West-Azerbaijan province, Iran; general population. Blood groups distribution among CSX patients showed phenotypes A, B, AB, O and Rh negative as 33.1%, 21.9%, 9.3%, 35.8%, and 7.9%, respectively. According to our results, there were no differences in ABO-Rh blood groups distribution between CSX patients and normal population. These data suggest that ABO-Rh blood groups might be unassociated with CSX.

Transfusion reaction in a case with the rare Bombay blood group

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Hayedeh Javadzadeh Shahshahani

2013-01-01

Full Text Available Bombay phenotype is extremely rare in Caucasian with an incidence of 1 in 250,000. When individuals with the Bombay phenotype need blood transfusion, they can receive only autologous blood or blood from another Bombay blood group. Transfusing blood group O red cells to them can cause a fatal hemolytic transfusion reaction. In this study, we report a case with the rare Bombay blood group that was misdiagnosed as the O blood group and developed a hemolytic transfusion reaction. This highlights the importance of both forward and reverse typing in ABO blood grouping and standard cross-matching and performing standard pretransfusion laboratory tests in hospital blood banks.

ABO blood groups, Rhesus factor, and Behçet's disease.

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Ozyurt, Kemal; Oztürk, Perihan; Gül, Mustafa; Benderli, Yasemin Cihan; Cölgeçen, Emine; Inci, Rahime

2013-09-01

Recently, numerous studies have been carried out to explain the genetics and immunopathogenesis of Behçet's disease (BD). There is still insufficient understanding of its etiopathogenesis, but substantial genetic and immune system abnormalities have been suggested. Several studies have shown remarkable associations of ABO blood groups with various diseases. This study investigated the relationship between ABO and Rhesus (D) blood groups and Behçet's disease in Turkish patients. Clinical data on gender, ABO, and Rhesus blood type of patients with BD were collected at the Kayseri Education and Research Hospital from 2005 to 2012. A total of 115 patients with BD were assessed for their association with ABO or Rhesus (D) blood groups and compared with the distribution of the blood groups of 25,701 healthy donors admitted to the Kayseri Education and Research Hospital Blood Center in 2010 and 2011. The distribution of ABO and Rhesus blood groups in patients with BD was similar to the healthy donors. No relationship was found between ABO or Rhesus blood groups and BD at our hospital. Further studies with a larger series and in different centers may be valuable for identifying the association between ABO or Rhesus (D) blood groups and BD.

Blood group ascription as a genetic marker of hepatic hemangioma

International Nuclear Information System (INIS)

Polysalov, V.N.; Tarazov, P.G.

1992-01-01

There is no single point of view on pathogenesis of hemangiomas. The authors investigated the ABO blood types in 52 patients with hepatic hemangiomas (Group 1) and 1000 control patients (Group 2). The character of changes in the liver was established by means of reontgenoradionuclide investigation methods. The study demonstrated 61.5 % of the A blood type among the patients of Group 1. This was significantly higher than in the Group 2 and representative groups from literature (P < 0.001). Taking into account that the cells of both blood and blood vessels are formed in embryos through the mesenchyma and the heritability of blood group antigens, it is supposed that the results obtained support the genetic determination theory of pathogenesis of hepatic hemangioamas

Blood group genotyping: from patient to high-throughput donor screening.

Science.gov (United States)

Veldhuisen, B; van der Schoot, C E; de Haas, M

2009-10-01

Blood group antigens, present on the cell membrane of red blood cells and platelets, can be defined either serologically or predicted based on the genotypes of genes encoding for blood group antigens. At present, the molecular basis of many antigens of the 30 blood group systems and 17 human platelet antigens is known. In many laboratories, blood group genotyping assays are routinely used for diagnostics in cases where patient red cells cannot be used for serological typing due to the presence of auto-antibodies or after recent transfusions. In addition, DNA genotyping is used to support (un)-expected serological findings. Fetal genotyping is routinely performed when there is a risk of alloimmune-mediated red cell or platelet destruction. In case of patient blood group antigen typing, it is important that a genotyping result is quickly available to support the selection of donor blood, and high-throughput of the genotyping method is not a prerequisite. In addition, genotyping of blood donors will be extremely useful to obtain donor blood with rare phenotypes, for example lacking a high-frequency antigen, and to obtain a fully typed donor database to be used for a better matching between recipient and donor to prevent adverse transfusion reactions. Serological typing of large cohorts of donors is a labour-intensive and expensive exercise and hampered by the lack of sufficient amounts of approved typing reagents for all blood group systems of interest. Currently, high-throughput genotyping based on DNA micro-arrays is a very feasible method to obtain a large pool of well-typed blood donors. Several systems for high-throughput blood group genotyping are developed and will be discussed in this review.

ABO blood grouping in Egyptian children with rotavirus gastroenteritis

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Hala Gouda Elnady

2017-09-01

Full Text Available Introduction : Rotavirus gastroenteritis is an important public health problem all over the world, causing a notable economic burden in both developing and developed countries. Aim: To explore the relationship between blood group typing, rotavirus gastroenteritis, and its severity in Egyptian children. Material and methods: A cross sectional case control study was conducted on 231 cases of acute gastroenteritis attending the outpatient clinic of Al-Zahraa University Hospital. Full history taking, clinical examination, and clinical data collection were done. Blood samples were collected for an ABO grouping. Stool samples were tested for viral gastroenteritis agents. Results : Rota positive cases of GE were significantly more prevalent among cases with blood group A (p < 0.05 and significantly less among cases with blood group B (p < 0.05. The rate of hospitalisation was highly significantly greater among cases with group A (p < 0.005, and significantly lower among cases with group AB and O (p < 0.05. As regards the degree of dehydration, moderate and severe cases were highly significant in groups A and O (p < 0.005. Rota-positive gastroenteritis showed significant positive correlations with indicators of severity such as hospitalisation, degree of dehydration, and duration of fever (p < 0.005. Conclusions : Blood group A is highly associated with paediatric rotavirus gastroenteritis. This could highlight an important risk factor, which could play a significant role for the pathogenesis of rotavirus gastroenteritis and severity as well. Furthermore, more intervention care could be needed for blood group A paediatric patients, if gastroenteritis especially rotavirus affect this group to avoid comorbidities.

21 CFR 864.9175 - Automated blood grouping and antibody test system.

Science.gov (United States)

2010-04-01

...) Identification. An automated blood grouping and antibody test system is a device used to group erythrocytes (red blood cells) and to detect antibodies to blood group antigens. (b) Classification. Class II (performance... 21 Food and Drugs 8 2010-04-01 2010-04-01 false Automated blood grouping and antibody test system...

Preparation and antibacterial activities of Ag/Ag+/Ag3+ nanoparticle composites made by pomegranate (Punica granatum) rind extract

Science.gov (United States)

Yang, Hui; Ren, Yan-yu; Wang, Tao; Wang, Chuang

Nano-silver and its composite materials are widely used in medicine, food and other industries due to their strong conductivity, size effect and other special performances. So far, more microbial researches have been applied, but a plant method is rarely reported. In order to open up a new way to prepare AgNP composites, pomegranate peel extract was used in this work to reduce Ag+ to prepare Ag/Ag+/Ag3+ nanoparticle composites. UV-Vis was employed to detect and track the reduction of Ag+ and the forming process of AgNPs. The composition, structure and size of the crystal were analyzed by XRD and TEM. Results showed that, under mild conditions, pomegranate peel extract reacted with dilute AgNO3 solution to produce Ag/Ag+/Ag3+ nanoparticle composites. At pH = 8 and 10 mmol/L of AgNO3 concentration, the size of the achieved composites ranged between 15 and 35 nm with spherical shapes and good crystallinity. The bactericidal experiment indicated that the prepared Ag/Ag+/Ag3+ nanoparticles had strong antibacterial activity against gram positive bacteria and gram negative bacteria. FTIR analysis revealed that biological macromolecules with groups of sbnd NH2, sbnd OH, and others were distributed on the surface of the newly synthesized Ag/Ag+/Ag3+ nanoparticles. This provided a useful clue to further study the AgNP biosynthesis mechanism.

Preparation and antibacterial activities of Ag/Ag+/Ag3+ nanoparticle composites made by pomegranate (Punica granatum rind extract

Directory of Open Access Journals (Sweden)

Hui Yang

Full Text Available Nano-silver and its composite materials are widely used in medicine, food and other industries due to their strong conductivity, size effect and other special performances. So far, more microbial researches have been applied, but a plant method is rarely reported. In order to open up a new way to prepare AgNP composites, pomegranate peel extract was used in this work to reduce Ag+ to prepare Ag/Ag+/Ag3+ nanoparticle composites. UV–Vis was employed to detect and track the reduction of Ag+ and the forming process of AgNPs. The composition, structure and size of the crystal were analyzed by XRD and TEM. Results showed that, under mild conditions, pomegranate peel extract reacted with dilute AgNO3 solution to produce Ag/Ag+/Ag3+ nanoparticle composites. At pH = 8 and 10 mmol/L of AgNO3 concentration, the size of the achieved composites ranged between 15 and 35 nm with spherical shapes and good crystallinity. The bactericidal experiment indicated that the prepared Ag/Ag+/Ag3+ nanoparticles had strong antibacterial activity against gram positive bacteria and gram negative bacteria. FTIR analysis revealed that biological macromolecules with groups of NH2, OH, and others were distributed on the surface of the newly synthesized Ag/Ag+/Ag3+ nanoparticles. This provided a useful clue to further study the AgNP biosynthesis mechanism. Keywords: Pomegranate rind, Biosynthesis, Ag/Ag+/Ag3+ nanoparticle composites, Antibacterial activity

Correlation between 'H' blood group antigen and Plasmodium falciparum invasion.

Science.gov (United States)

Pathak, Vrushali; Colah, Roshan; Ghosh, Kanjaksha

2016-06-01

The ABO blood group system is the most important blood group system in clinical practice. The relationship between Plasmodium falciparum and ABO blood groups has been studied for many years. This study was undertaken to investigate the abilities of different blood group erythrocytes to support in vitro growth of P. falciparum parasites. P. falciparum parasites of four different strains (3D7, 7G8, Dd2 and RKL9) were co-cultured with erythrocytes of blood group 'A', 'B', 'O' (n = 10 for each) and 'O(h)' (Bombay group) (n = 7) for 5 days. Statistically significant differences were observed on the fourth day among the mean percent parasitemias of 'O', non-'O' ('A' and 'B') and 'O(h)' group cultures. The parasitemias of four strains ranged from 12.23 to 14.66, 11.68 to 13.24, 16.89 to 22.3, and 7.37 to 11.27 % in 'A', 'B', 'O' and Bombay group cultures, respectively. As the expression of H antigen decreased from 'O' blood group to 'A' and 'B' and then to Bombay blood group, parasite invasion (percent parasitemia) also decreased significantly (p Ulex europaeus seeds. Mean percent parasitemia of lectin-treated cultures on the fourth day was significantly lower (p < 0.05) than that of non-treated cultures and was found to be similar with the mean percent parasitemia demonstrated by the Bombay group erythrocyte cultures, thus further strengthening the hypothesis.

Frequency of ABO/Rhesus Blood Groups in Patients with Diabetes Mellitus.

Science.gov (United States)

Oner, Can; Dogan, Burcu; Telatar, Berrin; Celik Yagan, Canan Fidan; Oguz, Aytekin

2016-01-01

The correlation between ABO/Rh blood groups and diabetes mellitus is still controversial. The aim of this study was to determine the relationship between ABO/Rhesus blood groups and diabetes in Turkish population. This cross-sectional study was conducted in Istanbul Medeniyet University Göztepe Education and Training Hospital's Diabetes Units. The study group was composed of 421 patients with type-1 diabetes, 484 patients with type-2 diabetes and 432 controls. Blood samples were collected and tested for ABO/Rhesus blood groups. Data was analyzed by SPSS version 17.0. A significant association was found between blood groups and diabetes mellitus. The frequency of AB blood group was significantly higher in type-1 diabetics; and A blood group was significantly higher in type-2 diabetics. Furthermore, Rh negativity were significantly more frequent in type-2 diabetics.

BOOGIE: Predicting Blood Groups from High Throughput Sequencing Data.

Science.gov (United States)

Giollo, Manuel; Minervini, Giovanni; Scalzotto, Marta; Leonardi, Emanuela; Ferrari, Carlo; Tosatto, Silvio C E

2015-01-01

Over the last decade, we have witnessed an incredible growth in the amount of available genotype data due to high throughput sequencing (HTS) techniques. This information may be used to predict phenotypes of medical relevance, and pave the way towards personalized medicine. Blood phenotypes (e.g. ABO and Rh) are a purely genetic trait that has been extensively studied for decades, with currently over thirty known blood groups. Given the public availability of blood group data, it is of interest to predict these phenotypes from HTS data which may translate into more accurate blood typing in clinical practice. Here we propose BOOGIE, a fast predictor for the inference of blood groups from single nucleotide variant (SNV) databases. We focus on the prediction of thirty blood groups ranging from the well known ABO and Rh, to the less studied Junior or Diego. BOOGIE correctly predicted the blood group with 94% accuracy for the Personal Genome Project whole genome profiles where good quality SNV annotation was available. Additionally, our tool produces a high quality haplotype phase, which is of interest in the context of ethnicity-specific polymorphisms or traits. The versatility and simplicity of the analysis make it easily interpretable and allow easy extension of the protocol towards other phenotypes. BOOGIE can be downloaded from URL http://protein.bio.unipd.it/download/.

Distribution of abo, rhesus blood groups and haemoglobin ...

African Journals Online (AJOL)

Summary: The distribution of ABO, Rhesus blood groups and haemoglobin electrophoresis among 200 undergraduate students of Niger Delta University, Bayelsa State, Nigeria randomly selected were studied. Blood samples were collected by venepuncture from the antecubital vein. The blood sample were transferred into ...

Blood groups and human groups: collecting and calibrating genetic data after World War Two.

Science.gov (United States)

Bangham, Jenny

2014-09-01

Arthur Mourant's The Distribution of the Human Blood Groups (1954) was an "indispensable" reference book on the "anthropology of blood groups" containing a vast collection of human genetic data. It was based on the results of blood-grouping tests carried out on half-a-million people and drew together studies on diverse populations around the world: from rural communities, to religious exiles, to volunteer transfusion donors. This paper pieces together sequential stages in the production of a small fraction of the blood-group data in Mourant's book, to examine how he and his colleagues made genetic data from people. Using sources from several collecting projects, I follow how blood was encountered, how it was inscribed, and how it was turned into a laboratory resource. I trace Mourant's analytical and representational strategies to make blood groups both credibly 'genetic' and understood as relevant to human ancestry, race and history. In this story, 'populations' were not simply given, but were produced through public health, colonial and post-colonial institutions, and by the labour and expertise of subjects, assistants and mediators. Genetic data were not self-evidently 'biological', but were shaped by existing historical and geographical identities, by political relationships, and by notions of kinship and belonging. Copyright © 2014 The Author. Published by Elsevier Ltd.. All rights reserved.

Fingerprints as an Alternative Method to Determine ABO and Rh Blood Groups.

Science.gov (United States)

Chaudhary, Sonam; Deuja, Sajana; Alam, Munna; Karmacharya, Poonam; Mondal, Monami

2017-01-01

Blood grouping is conventionally done with invasive method by taking blood samples. The objective of this study is to determine blood group with uninvasive procedure by taking fingerprints of the participants and know the associations between their fingerprints and blood groups. Seven hundred participants of both genders with no any age limitation from Manipal Teaching Hospital and Manipal College of Medical Sciences were randomly selected. The blood grouping was done by cross reacting blood sample with the antibodies. The fingerprints were taken with the help of stamp pad imprinting the finger ridges over A4 size white papers. The loop, whorl and arch patterns were studied. O+ve blood group 224 (32%) was most prevalent among 700 participants. The loop pattern was highly distributed 3708 (53%) in all blood groups except in A-ve blood group with highest distribution of whorl 20 (40%). The mean comparisons of specific fingerprint in total and also in individual fingers with different ABO and ABO-Rh blood groups showed no any statistical association with P>0.05. However, the loop distribution in individual finger was highest in right middle finger (M) of B-ve blood group 5 (10%). The whorl distribution in individual finger was highest in right index (I), left thumb (T) and left ring (R) fingers of AB+ve blood group 20 (5.5% each). Similarly, the arch distribution was highest in right index fingers of A-ve blood group 3 (6%). The mean comparison of different fingerprints with ABO and Rh blood groups showed no significant statistical association concluding fingerprints cannot be used for blood grouping.

ABO Blood Group and Risk of Thromboembolic and Arterial Disease

DEFF Research Database (Denmark)

Vasan, Senthil K; Rostgaard, Klaus; Majeed, Ammar

2016-01-01

BACKGROUND: ABO blood groups have been shown to be associated with increased risks of venous thromboembolic and arterial disease. However, the reported magnitude of this association is inconsistent and is based on evidence from small-scale studies. METHODS AND RESULTS: We used the SCANDAT2...... (Scandinavian Donations and Transfusions) database of blood donors linked with other nationwide health data registers to investigate the association between ABO blood groups and the incidence of first and recurrent venous thromboembolic and arterial events. Blood donors in Denmark and Sweden between 1987......-up. Compared with blood group O, non-O blood groups were associated with higher incidence of both venous and arterial thromboembolic events. The highest rate ratios were observed for pregnancy-related venous thromboembolism (incidence rate ratio, 2.22; 95% confidence interval, 1.77-2.79), deep vein thrombosis...

Association of ABO and Rh blood groups with type 2 diabetes mellitus.

Science.gov (United States)

Meo, S A; Rouq, F A; Suraya, F; Zaidi, S Z

2016-01-01

The phenotypic "ABO" blood groups are inherited antigenic substances which are found on the surface of red blood cells in addition to other tissues. Certain hypothesis advocates that genetic predisposition like "ABO" blood group would be associated with occurrence of diseases including type 2 diabetes. This study aimed to investigate the potential association between "ABO" and "Rhesus" blood groups with type 2 diabetes. We identified 47 research documents in a data based search including ISI-Web of Science, EMBASE and PubMed. Literature was explored using the key terms including "ABO blood groups" "type 2 diabetes". Studies in which "ABO" blood types and diabetes mellitus were discussed included without restrictions of research documents, types, status and language of the publications. Finally, 15 publications which matched our criteria were included, and remaining studies were excluded. Blood group "B" was associated with high incidence of type 2 diabetes and blood group "O" has a minimum association with type 2 diabetes. Blood group "A" and "AB" were almost equally distributed in both diabetic and non-diabetic population. However, we were unable to find an association between "Rh+ve" and "Rh-ve" blood groups with type 2 diabetes. Subjects with blood group "B" are at high risk while individuals with blood group "O" are at low peril of evolving type 2 diabetes. It is suggested that subjects with blood group "B" should be closely monitored by physicians as these subjects have an increased risk of type 2 diabetes.

Relation of ABO Blood Groups to the Plaque Characteristic of Coronary Atherosclerosis.

Science.gov (United States)

Huang, Xingtao; Zou, Yongpeng; Li, Lulu; Chen, Shuyuan; Hou, Jingbo; Yu, Bo

2017-01-01

The ABO blood types related to morphological characteristics of atherosclerosis plaque are not clear. We aimed to evaluate the relationship between ABO blood groups and the coronary plaque characteristic. We retrospectively identified the target lesions in 392 acute coronary syndrome patients who underwent optical coherence tomography examination before stenting. Subjects were divided into different groups according to different blood types. The fibrous cap thickness was significantly thicker in O type compared with non-O type (0.075 ± 0.033 mm versus 0.061 ± 0.024, p blood type groups even between O type and non-O type group ( p > 0.05). The plaques of O type blood group were exhibited more stably compared with non-O type blood group. Moreover, the non-O type blood group have more serious coronary artery stenosis than O type blood group.

HIV, HCV, HBV and syphilis rate of positive donations among blood donations in Mali: lower rates among volunteer blood donors.

Science.gov (United States)

Diarra, A; Kouriba, B; Baby, M; Murphy, E; Lefrere, J-J

2009-01-01

Good data on background seroprevalence of major transfusion transmitted infections is lacking in Mali. We gathered data on the rate of positive donations of human immunodeficiency virus (HIV), hepatitis C virus (HCV), hepatitis B virus (HBV) and syphilis among blood donations in Mali for calendar year 2007. Donations with repeatedly reactive results on screening enzyme immunoassay (EIA) were considered to be seropositive. Rate of positive donations per blood unit collected was 2.6% for HIV, 3.3% for HCV, 13.9% for hepatitis B surface antigen (HBsAg) and 0.3% for syphilis. For HIV, HBsAg and syphilis, rate of positive donations was significantly (pdonations from replacement donors than those from volunteer donors, while HCV rate of positive donations was similar in the two groups. Rate of positive donations was also significantly (p<0.0001) lower in blood units from regular than from first-time donors. These data reinforce WHO recommendations for increasing the number of regular, volunteer blood donors in Africa.

Association between Cheiloscopic Patterns and ABO Blood Groups among South Indian Population.

Science.gov (United States)

Khanapure, Sneha; Suhas, H G; Potdar, Shrudha; Sam, George; Sudeep, C B; Arjun, M R

2017-07-01

Human beings have few characteristics that are unique from others. Lip prints are one of such feature. They are not changed throughout the life and are not influenced by injuries, diseases, or environmental changes. According to the various antigen-antibody reactions in the bloodstream, different individuals have specific blood groups. To study the distribution of lip print patterns among individuals with different ABO and Rh blood groups and also to know the relation between their characters and blood groups. In the present study, lip prints were collected randomly from 85 individuals, and their blood group matching was performed. This is to identify the most common lip print type and to know any association between lip print types and blood groups. Tsuchihashi's classification of lip prints was used to compare with the ABO and Rh blood grouping systems. It was observed that in individuals with B+, A+, and O- blood groups, predominant pattern was Type IV and individuals having blood group O+ and AB+ common lip print pattern was Type II. This study showed strong association between lip print patterns and ABO blood groups as some blood groups were not included in statistical analysis; further studies including larger sample are essential to substantiate the results. Correlating lip print with blood group helps in identification of the suspects. Along with lip prints, another biological record that remains unchanged throughout the lifetime of a person is the blood group. Determining the blood group of a person from the samples obtained at the site of crime and also recovering lip prints from site can help identify a person.

Molecular genotyping of ABO blood groups in some population groups from India.

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Ray, Sabita; Gorakshakar, Ajit C; Vasantha, K; Nadkarni, Anita; Italia, Yazdi; Ghosh, Kanjaksha

2014-01-01

Indian population is characterized by the presence of various castes and tribal groups. Various genetic polymorphisms have been used to differentiate among these groups. Amongst these, the ABO blood group system has been extensively studied. There is no information on molecular genotyping of ABO blood groups from India. Therefore, the main objective of this study was to characterize the common A, B and O alleles by molecular analysis in some Indian population groups. One hundred samples from the mixed population from Mumbai, 101 samples from the Dhodia tribe and 100 samples from the Parsi community were included in this study. Initially, the samples were phenotyped by standard serologic techniques. PCR followed by single strand conformational polymorphsim (SSCP) was used for molecular ABO genotyping. Samples showing atypical SSCP patterns were further analysed by DNA sequencing to characterize rare alleles. Seven common ABO alleles with 19 different genotypes were found in the mixed population. The Dhodias showed 12 different ABO genotypes and the Parsis revealed 15 different ABO genotypes with six common ABO alleles identified in each of them. Two rare alleles were also identified. This study reports the distribution of molecular genotypes of ABO alleles among some population groups from India. Considering the extremely heterogeneous nature of the Indian population, in terms of various genotype markers like blood groups, red cell enzymes, etc., many more ABO alleles are likely to be encountered.

Development of a Rhizoctonia solani AG1-IB Specific Gene Model Enables Comparative Genome Analyses between Phytopathogenic R. solani AG1-IA, AG1-IB, AG3 and AG8 Isolates.

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Daniel Wibberg

Full Text Available Rhizoctonia solani, a soil-born plant pathogenic basidiomycetous fungus, affects various economically important agricultural and horticultural crops. The draft genome sequence for the R. solani AG1-IB isolate 7/3/14 as well as a corresponding transcriptome dataset (Expressed Sequence Tags--ESTs were established previously. Development of a specific R. solani AG1-IB gene model based on GMAP transcript mapping within the eukaryotic gene prediction platform AUGUSTUS allowed detection of new genes and provided insights into the gene structure of this fungus. In total, 12,616 genes were recognized in the genome of the AG1-IB isolate. Analysis of predicted genes by means of different bioinformatics tools revealed new genes whose products potentially are involved in degradation of plant cell wall components, melanin formation and synthesis of secondary metabolites. Comparative genome analyses between members of different R. solani anastomosis groups, namely AG1-IA, AG3 and AG8 and the newly annotated R. solani AG1-IB genome were performed within the comparative genomics platform EDGAR. It appeared that only 21 to 28% of all genes encoded in the draft genomes of the different strains were identified as core genes. Based on Average Nucleotide Identity (ANI and Average Amino-acid Identity (AAI analyses, considerable sequence differences between isolates representing different anastomosis groups were identified. However, R. solani isolates form a distinct cluster in relation to other fungi of the phylum Basidiomycota. The isolate representing AG1-IB encodes significant more genes featuring predictable functions in secondary metabolite production compared to other completely sequenced R. solani strains. The newly established R. solani AG1-IB 7/3/14 gene layout now provides a reliable basis for post-genomics studies.

Frequency of different blood groups and its association with BMI and blood pressure among the female medical students of Faisalabad.

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Jawed, Shireen; Zia, Sadaf; Tariq, Sundus

2017-08-01

To determine the frequency of different blood groups among female medical students and to find the association of blood groups and body mass index with blood pressure. This cross-sectional study was performed at the University Medical and Dental College, Faisalabad, Pakistan, from March to April 2016, and comprised female medical students. Participants were divided into groups on the basis of their ABO blood groups and on body mass index criteria. Blood groups were determined by simple conventional slide method. Blood pressure was estimated by manual auscultatory technique with a mercury sphygmomanometer. Data was analysed usingSPSS20. There were 145 students with an overall mean age of18.4±0.75 years (range: 17-23 years). Blood group B was the predominant group 65(44.8%). Besides, 130(89.6%) subjects were rhesus positive and 23(53%) subjects of blood group O were pre-hypertensive. Multiple regression analysis indicated significant positive association of blood group O with both systolic and diastolic blood pressure (p=0.002, 0.001). However, subsequent logistic regression showed significant association only with diastolic blood pressure (p=0.001). Relative risk of pre-hypertension for obese (p=0.001) was greater than non-obese subjects. Body mass index was significantly associated with both systolic and diastolic blood pressure (p=0.004, 0.042). Blood group B was the most common blood group. Blood group O was associated with diastolic pre-hypertension, while body mass index was associated with both systolic and diastolic pre-hypertension.

Virus-specific immune response in HBeAg-negative chronic hepatitis B: relationship with clinical profile and HBsAg serum levels.

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Elisabetta Loggi

Full Text Available BACKGROUND AIMS: The immune impairment characterizing chronic hepatitis B (cHBV infection is thought to be the consequence of persistent exposure to viral antigens. However, the immune correlates of different clinical stages of cHBV and their relation with different levels of HBsAg have not been investigated. The aim of the present study was to evaluate the relationship between HBV-specific T cells response and the degree of in vivo HBV control and HBsAg serum levels in HBeAg-HBeAb+ cHBV. METHODS: Peripheral blood mononuclear cells from 42 patients with different clinical profiles (treatment-suppressed, inactive carriers and active hepatitis of cHBV, 6 patients with resolved HBV infection and 10 HBV-uninfected individuals were tested with overlapping peptides spanning the entire HBV proteome. The frequency and magnitude of HBV-specific T cell responses was assessed by IFNγ ELISPOT assay. Serum HBsAg was quantified with a chemiluminescent immunoassay. RESULTS: The total breadth and magnitude of HBV-specific T cell responses did not differ significantly between the four groups. However, inactive carriers targeted preferentially the core region. In untreated patients, the breadth of the anti-core specific T cell response was inversely correlated with serum HBsAg concentrations as well as HBV-DNA and ALT levels and was significantly different in patients with HBsAg levels either above or below 1000 IU/mL. The same inverse association between anti-core T cell response and HBsAg levels was found in treated patients. CONCLUSIONS: Different clinical outcomes of cHBV infection are associated with the magnitude, breadth and specificity of the HBV-specific T cell response. Especially, robust anti-core T cell responses were found in the presence of reduced HBsAg serum levels, suggesting that core-specific T cell responses can mediate a protective effect on HBV control.

Antimicrobial and anticancer activity of AgNPs coated with Alphonsea sclerocarpa extract.

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Doddapaneni, Suman Joshi D S; Amgoth, Chander; Kalle, Arunasree M; Suryadevara, Surya Narayana; Alapati, Krishna Satya

2018-03-01

The synthesis and characterization of an aggregate of AgNPs coated with plant extract (PE) from Alphonsea sclerocarpa and its significant antimicrobial activity and inhibition on K562 (blood cancer) cells have been appended in the article. Synthesis of aggregate [(AgNPs)-(PE)] has been followed by a facile eco-friendly approach without using any harmful chemicals. The morphology of an aggregate [(AgNPs)-(PE)] was confirmed by TEM and SEM microscopic characterizations. Properties like solid state, the presence of functional groups, and elemental composition have been characterized through the XRD, FTIR, and EDAX. The biocompatibility of synthesized aggregate of [(AgNPs)-(PE)] was confirmed by the MTT assay. An in vitro cell (HEK293)-based studies were performed for the biocompatibility tests and it is found that the aggregate [(AgNPs)-(PE)] is not harmful to normal/healthy cells. Even though A. sclerocarpa show the antimicrobial (antibacterial and antifungal) activity, it has been further enhanced with the developed aggregate of [(AgNPs)-(PE)]. Furthermore, it has been extended to examine the cellular inhibition on K562 cells and obtained > 75% cell inhibition for 24 h treated cells.

[Ag(NH3)2]Ag(OsO3N)2: a new nitridoosmate(VIII)

International Nuclear Information System (INIS)

Wickleder, M.S.; Pley, Martin

2004-01-01

Dark brown single crystals of [Ag(NH 3 ) 2 ]Ag(OsO 3 N) 2 were obtained from the reaction of Ag 2 CO 3 , OsO 4 , and NH 3 in aqueous solution. The crystal structure was solved in the monoclinic space group C2/m, with the following unit-cell dimensions: a=1962.5(3), b=633.1(1), c=812.6(1) pm, β=96.71(1) deg. The final reliability factor was R=0.0256 for 1034 reflections with I>2σ(I). Linear [Ag(NH 3 ) 2 ] + ions are present oriented perpendicular to the [010] direction, leading to short Ag + -Ag + distances of 316 pm. A second type of Ag + ions in the crystal structure present coordination number '6+1' and are surrounded by oxygen and nitrogen atoms of the nitridoosmate groups. Within the first of the two crystallographically distinguishable anions one can clearly differentiate between oxygen and nitrogen atoms while the second one exhibits a N/O disorder over two positions. The infrared spectrum of [Ag(NH 3 ) 2 ]Ag(OsO 3 N) 2 shows the typical absorptions which can be attributed to the complex anions and the NH 3 ligands

ABO blood group frequency in Ischemic heart disease patients in Pakistani population.

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Sharif, Saima; Anwar, Naureen; Farasat, Tasnim; Naz, Shagufta

2014-05-01

To determine if there is any significant association between ABO blood groups and ischemic heart disease (IHD). The study was performed at Punjab Institute of Cardiology (PIC), Lahore. Study duration was from January 2012 to September 2012. This study included 200 IHD patients and 230 control individuals. Self design questionnaire was used to collect information regarding risk factors. Standard agglutination test was performed to determine the blood groups. Data was analyzed on SPSS 16. The prevalence of blood groups in IHD group was 34% in blood group A, 29% in blood group B, 14% in blood group AB and 23% in blood group O. In control group the distribution of B, A, AB and O blood groups were 34.4%, 20.9%, 12.6%, 32.2% respectively. Rh+ve factor was prevalent in 90.5% among IHD group and 92.6% in control subjects. The prevalence of IHD was more in males (63.5%) as compared to females (36.5%). Mean age was 56.4±0.86 (yrs) and BMI was 26.4±0.33 (kg/m(2)). The prevalence of hypertension was 58.5%, diabetes was 53%, family history of cardiac disease was 45%, 35.5% of patients were doing exercise regularly, 58.5% used ghee, and 58% were smokers. C onclusion: Subjects with blood group A had significantly (pblood groups.

Arcuate AgRP neurons mediate orexigenic and glucoregulatory actions of ghrelin★

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Wang, Qian; Liu, Chen; Uchida, Aki; Chuang, Jen-Chieh; Walker, Angela; Liu, Tiemin; Osborne-Lawrence, Sherri; Mason, Brittany L.; Mosher, Christina; Berglund, Eric D.; Elmquist, Joel K.; Zigman, Jeffrey M.

2013-01-01

The hormone ghrelin stimulates eating and helps maintain blood glucose upon caloric restriction. While previous studies have demonstrated that hypothalamic arcuate AgRP neurons are targets of ghrelin, the overall relevance of ghrelin signaling within intact AgRP neurons is unclear. Here, we tested the functional significance of ghrelin action on AgRP neurons using a new, tamoxifen-inducible AgRP-CreERT2 transgenic mouse model that allows spatiotemporally-controlled re-expression of physiological levels of ghrelin receptors (GHSRs) specifically in AgRP neurons of adult GHSR-null mice that otherwise lack GHSR expression. AgRP neuron-selective GHSR re-expression partially restored the orexigenic response to administered ghrelin and fully restored the lowered blood glucose levels observed upon caloric restriction. The normalizing glucoregulatory effect of AgRP neuron-selective GHSR expression was linked to glucagon rises and hepatic gluconeogenesis induction. Thus, our data indicate that GHSR-containing AgRP neurons are not solely responsible for ghrelin's orexigenic effects but are sufficient to mediate ghrelin's effects on glycemia. PMID:24567905

Arcuate AgRP neurons mediate orexigenic and glucoregulatory actions of ghrelin.

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Wang, Qian; Liu, Chen; Uchida, Aki; Chuang, Jen-Chieh; Walker, Angela; Liu, Tiemin; Osborne-Lawrence, Sherri; Mason, Brittany L; Mosher, Christina; Berglund, Eric D; Elmquist, Joel K; Zigman, Jeffrey M

2014-02-01

The hormone ghrelin stimulates eating and helps maintain blood glucose upon caloric restriction. While previous studies have demonstrated that hypothalamic arcuate AgRP neurons are targets of ghrelin, the overall relevance of ghrelin signaling within intact AgRP neurons is unclear. Here, we tested the functional significance of ghrelin action on AgRP neurons using a new, tamoxifen-inducible AgRP-CreER(T2) transgenic mouse model that allows spatiotemporally-controlled re-expression of physiological levels of ghrelin receptors (GHSRs) specifically in AgRP neurons of adult GHSR-null mice that otherwise lack GHSR expression. AgRP neuron-selective GHSR re-expression partially restored the orexigenic response to administered ghrelin and fully restored the lowered blood glucose levels observed upon caloric restriction. The normalizing glucoregulatory effect of AgRP neuron-selective GHSR expression was linked to glucagon rises and hepatic gluconeogenesis induction. Thus, our data indicate that GHSR-containing AgRP neurons are not solely responsible for ghrelin's orexigenic effects but are sufficient to mediate ghrelin's effects on glycemia.

Relative Susceptibilities of ABO Blood Groups to Plasmodium falciparum Malaria in Ghana.

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Afoakwah, Richmond; Aubyn, Edmond; Prah, James; Nwaefuna, Ekene Kwabena; Boampong, Johnson N

2016-01-01

The clinical outcome of falciparum malaria in endemic areas is influenced by erythrocyte polymorphisms including the ABO blood groups. Studies have reported association of ABO blood group to resistance, susceptibility, and severity of P. falciparum malaria infection. Individuals with blood group "A" have been found to be highly susceptible to falciparum malaria whereas blood group "O" is said to confer protection against complicated cases. We analyzed samples from 293 young children less than six years old with malaria in the Korle-Bu Teaching Hospital in Accra, Ghana. It was observed that group O was present in about 16.1% of complicated cases weighed against 40.9% of uncomplicated controls. Individuals with complicated malaria were about twice likely to be of blood groups A and B compared to group O (A versus O, OR = 1.90, 95% CI = 1.59-2.26, P Blood group O participants with complicated diseases had low parasitaemia compared to the other blood groups (P blood group O individuals a survival advantage over the other groups in complicated malaria as suggested. Participants with complicated falciparum malaria were generally anaemic and younger than those with uncomplicated disease.

76 FR 20045 - The Ubs Group, a Division Of Ubs Ag, Also Known as Ubs Financial Services, Inc. and/or Ubs-Glb...

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2011-04-11

... Division Of Ubs Ag, Also Known as Ubs Financial Services, Inc. and/or Ubs-Glb (Americas), Inc., Formerly... UBS AG, also known as UBS Financial Services, Inc., and/or UBS-GLB (Americas), Inc., Corporate Center... The UBS Group, a division of UBS AG, also known as UBS Financial Services, Inc., and/or UBS-GLB...

Ameliorative role of nano-ceria against amine coated Ag-NP induced toxicity in Labeo rohita

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Khan, Muhammad Saleem; Qureshi, Naureen Aziz; Jabeen, Farhat

2018-03-01

Silver nanoparticles (Ag-NPs) and its byproducts can spread pollution in aquatic habitat. Liver and gills are key target for toxicity. Oxidative stress, tissue alterations, and hemotoxicity are assumed to be associated with Ag-NPs in target animals. Cerium oxide nanoparticles (nano-ceria) show antioxidant potential in scavenging the free radicals generated in Ag-NP-induced oxidative stress. We determined ameliorated role of nano-ceria against Ag-NP-induced toxicity in fresh water Labeo rohita (L. rohita). Four groups were used in study including control, nano-ceria, Ag-NPs, and Ag-NPs + nano-ceria. Ag-NPs (30 mg l-1) and nano-ceria (50 µg kg-1) were given through water and prepared feed, respectively. The samples were taken after 28 days. Results demonstrated that pre-treatment of nano-ceria recovered L. rohita from Ag-NP-induced toxicity and oxidative stress. Nano-ceria pre-treatment actively mimics the activity of GST, GSH, CAT, and SOD. Furthermore, Ag-NPs' treatment caused severe inflammation and necrosis in hepatic parenchyma which leaded to congestion of blood in hepatic tissues. Accumulation of a yellow pigment in hepatic tissue was also seen due to necrosis of affected cells. In nano-ceria pre-treatment, there was no congestion in hepatic tissue. Vacuolization of cells and necrosis in some area was recorded in nano-ceria pre-treated group, but the gill and hepatic tissue showed improvement against Ag-NP-induced damage. Nano-ceria pre-treatment also improved hematological parameters in Ag-NP-treated fish. This study concluded that Ag-NP-induced toxicity in treated fish and pre-treatment of nano-ceria show ameliorative role.

Distribution of ABO and Rh-Hr blood group antigens, alleles and ...

African Journals Online (AJOL)

ABO and Rh-Hr blood group antigens represent a genetically stably determined trait with many-sided biological and clinical significance. The indigenous Ajarian population (105 subjects) was investigated for ABO Rh-Hr red cell blood group antigens. Using immunoserologic methods, seven blood group antigens (A, B, C, c, ...

Subgrouping of A and AB blood groups in Indian blood centres: is it required?

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Hazarika, Ranjita; Basu, Sabita; Kaur, Paramjit

2011-08-01

Anti A1 antibody in the serum of A2 and A2B individuals is rare but when present can have laboratory and clinical significance. Routine subgrouping of all A and AB blood groups in blood centres in India is difficult due to economic constraints and has always been a point of debate. This study thus brings out the prevalence of anti A1 antibody and the clinical significance related to its presence. The results of the study showed a low prevalence of anti A1 antibody and when present, it had a low thermal amplitude and titre. Further, no blood group discrepancy or problems during compatibility testing were encountered with these (A1 antibody positive) blood units. Thus, it may be concluded that in India and other developing countries where resources are scarce, routine subgrouping of A and AB may not be really worthwhile unless there is a group discrepancy, problem during compatibility testing or history of a transfusion reaction.

ABO Blood Group and Dementia Risk--A Scandinavian Record-Linkage Study.

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Senthil K Vasan

Full Text Available Dementia includes a group of neuro-degenerative disorders characterized by varying degrees of cognitive impairment. Recent data indicates that blood group AB is associated with impaired cognition in elderly patients. To date there are no large-scale studies that have examined the relationship between ABO blood group and dementia-related disorders in detail.We used data from the SCANDAT2 database that contains information on over 1.6 million blood donors from 1968 in Sweden and 1981 from Denmark. The database was linked with health outcomes data from nationwide patient and cause of death registers to investigate the relationship between blood groups and risk of different types of dementia. The incident rate ratios were estimated using log-linear Poisson regression models.Among 1,598,294 donors followed over 24 million person-years of observation we ascertained 3,615 cases of Alzheimer's disease, 1,842 cases of vascular dementia, and 9,091 cases of unspecified dementia. Overall, our study showed no association between ABO blood group and risk of Alzheimer's disease, vascular dementia or unspecified dementia. This was also true when analyses were restricted to donors aged 70 years or older except for a slight, but significantly decreased risk of all dementia combined in subjects with blood group A (IRR, 0.93; 95% confidence interval [CI], 0.88-0.98, compared to those with blood group O.Our results provide no evidence that ABO blood group influences the risk of dementia.

ABO blood groups and oral premalignancies: A clinical study in selected Indian population.

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Bhateja, S; Arora, G

2014-01-01

Background: The ABO blood group antigens are present on the surface of red blood cells and various epithelial cells. As the majority of human cancers are derived from epithelial cells, changes in blood group antigens constitute an important aspect of human cancers. The aim of the study was to establish clinical usefulness of ABO blood group as a predisposing factor in early diagnosis and management of patients with oral precancerous lesions/conditions. Materials and Methods: The study sample consisted of 50 control and 50 oral precancer (25 leukoplakia and 25 Oral Submucous Fibrosis) confirmed by histopathologic examination. All samples were subjected to blood group testing and their prevalence was compared by Z-test using STATA version 8. Results: The "A" blood group was prevalent among the precancerous group. Significant differences on prevalences of blood groups were found (P blood group. Conclusion: Blood group type should be considered along with other risk factors to understand the individual patient's risk and further studies in larger samples with inclusion of Rh factor is needed to elucidate the relationship with ABO blood group types.

PP13, maternal ABO blood groups and the risk assessment of pregnancy complications.

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Nandor Gabor Than

Full Text Available Placental Protein 13 (PP13, an early biomarker of preeclampsia, is a placenta-specific galectin that binds beta-galactosides, building-blocks of ABO blood-group antigens, possibly affecting its bioavailability in blood.We studied PP13-binding to erythrocytes, maternal blood-group effect on serum PP13 and its performance as a predictor of preeclampsia and intrauterine growth restriction (IUGR. Datasets of maternal serum PP13 in Caucasian (n = 1078 and Hispanic (n = 242 women were analyzed according to blood groups. In vivo, in vitro and in silico PP13-binding to ABO blood-group antigens and erythrocytes were studied by PP13-immunostainings of placental tissue-microarrays, flow-cytometry of erythrocyte-bound PP13, and model-building of PP13--blood-group H antigen complex, respectively. Women with blood group AB had the lowest serum PP13 in the first trimester, while those with blood group B had the highest PP13 throughout pregnancy. In accordance, PP13-binding was the strongest to blood-group AB erythrocytes and weakest to blood-group B erythrocytes. PP13-staining of maternal and fetal erythrocytes was revealed, and a plausible molecular model of PP13 complexed with blood-group H antigen was built. Adjustment of PP13 MoMs to maternal ABO blood group improved the prediction accuracy of first trimester maternal serum PP13 MoMs for preeclampsia and IUGR.ABO blood group can alter PP13-bioavailability in blood, and it may also be a key determinant for other lectins' bioavailability in the circulation. The adjustment of PP13 MoMs to ABO blood group improves the predictive accuracy of this test.

Association of ABO blood groups and major ischaemic heart disease risk factors

International Nuclear Information System (INIS)

Lutf-Ullah, L.; Akhtar, B.; Noor-Us-Saba; Hanif, A.; Khan, B.Z.; Bukhshi, I.M.

2010-01-01

To study the association of ABO blood groups with major ischaemic heart disease risk factors. Setting: Department of Cardiology, Mayo hospital, Lahore over a period of two years from January 2008 to December 2009. Study Design: Analytic comparative study. Subjects and Methods: The study group included 907 patients of ischaemic heart disease (IHD). The distribution of ABO blood groups in IHD patients was compared for presence or absence of major IHD risk factors. Data was analyzed using SPSS 16. ANOVA and Chi-square tests for significance were used. P-value less than 0.05 was taken as significant. Results: In this study, the following pattern of ABO blood groups was observed in IHD patients : blood group A 251 (27.67%); blood group B 329 (36.27%); blood group O 235 (25.91%); blood group AB 92 (10.14%). We found no relation-ship of ABO blood groups with age (p-value = 0.234), gender (p-value = 0.093), hypertension (p-value = 0.230), diabetes mellitus (p-value = 0.801), family history of IHD (p-value = 0.277), transverse ear lobe crease (p-value = 0.231), total cholesterol (p-value = 0.797), triglycerides (p-value = 0.351), low density lipoprotein (p-value = 0.078), high density lipoprotein (p-value = 0.114). Similarly no relationship was found of smoking, weight, height and body mass index with ABO blood groups, p-values 0.428, 0.528, 0.908 and 0.455 respectively. Conclusion: There is no association of ABO blood groups and major ischaemic heart disease risk factors. (author)

Gene frequencies of ABO and rhesus blood groups and ...

African Journals Online (AJOL)

The distribution and gene frequencies of ABO and rhesus (Rh) blood groups and haemoglobin variants for samples of the Nigerian population at Ogbomoso was determined. Data consisting of records of blood groups and haemoglobin types of different ages ranging from infants to adults for a period of 4 to 6 years (1995 ...

PP13, Maternal ABO Blood Groups and the Risk Assessment of Pregnancy Complications

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Than, Nandor Gabor; Romero, Roberto; Meiri, Hamutal; Erez, Offer; Xu, Yi; Tarquini, Federica; Barna, Laszlo; Szilagyi, Andras; Ackerman, Ron; Sammar, Marei; Fule, Tibor; Karaszi, Katalin; Kovalszky, Ilona; Dong, Zhong; Kim, Chong Jai; Zavodszky, Peter; Papp, Zoltan; Gonen, Ron

2011-01-01

Background Placental Protein 13 (PP13), an early biomarker of preeclampsia, is a placenta-specific galectin that binds beta-galactosides, building-blocks of ABO blood-group antigens, possibly affecting its bioavailability in blood. Methods and Findings We studied PP13-binding to erythrocytes, maternal blood-group effect on serum PP13 and its performance as a predictor of preeclampsia and intrauterine growth restriction (IUGR). Datasets of maternal serum PP13 in Caucasian (n = 1078) and Hispanic (n = 242) women were analyzed according to blood groups. In vivo, in vitro and in silico PP13-binding to ABO blood-group antigens and erythrocytes were studied by PP13-immunostainings of placental tissue-microarrays, flow-cytometry of erythrocyte-bound PP13, and model-building of PP13 - blood-group H antigen complex, respectively. Women with blood group AB had the lowest serum PP13 in the first trimester, while those with blood group B had the highest PP13 throughout pregnancy. In accordance, PP13-binding was the strongest to blood-group AB erythrocytes and weakest to blood-group B erythrocytes. PP13-staining of maternal and fetal erythrocytes was revealed, and a plausible molecular model of PP13 complexed with blood-group H antigen was built. Adjustment of PP13 MoMs to maternal ABO blood group improved the prediction accuracy of first trimester maternal serum PP13 MoMs for preeclampsia and IUGR. Conclusions ABO blood group can alter PP13-bioavailability in blood, and it may also be a key determinant for other lectins' bioavailability in the circulation. The adjustment of PP13 MoMs to ABO blood group improves the predictive accuracy of this test. PMID:21799738

HBsAg d and y subtypes determined by inhibition radio-immunoassay

Energy Technology Data Exchange (ETDEWEB)

Wilkinson, R [Border Blood Transfusion Service, East London (South Africa)

1981-12-01

An inhibition radioimmunoassay for the detection of HBsAg/d and HBsAg/y antigens is described. A survey of 211 asymptomatic HBsAg positive blood donors showed 190 to be of type HBsAg/d and 3 to be of type HBsAg/y, while the remaining 18 could not be typed. Of 43 patients with acute hepatitis 39 were type HBsAg/d and 4 were type HBsAg/y. The statistically significant (p smaller than 0,01) increase in type HBsAg/y may reflect a changing pattern in offending viral strain with the passage of time.

Relative Susceptibilities of ABO Blood Groups to Plasmodium falciparum Malaria in Ghana

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Richmond Afoakwah

2016-01-01

Full Text Available The clinical outcome of falciparum malaria in endemic areas is influenced by erythrocyte polymorphisms including the ABO blood groups. Studies have reported association of ABO blood group to resistance, susceptibility, and severity of P. falciparum malaria infection. Individuals with blood group “A” have been found to be highly susceptible to falciparum malaria whereas blood group “O” is said to confer protection against complicated cases. We analyzed samples from 293 young children less than six years old with malaria in the Korle-Bu Teaching Hospital in Accra, Ghana. It was observed that group O was present in about 16.1% of complicated cases weighed against 40.9% of uncomplicated controls. Individuals with complicated malaria were about twice likely to be of blood groups A and B compared to group O (A versus O, OR = 1.90, 95% CI = 1.59–2.26, P<0.0001; B versus O, OR = 1.82. 95% CI = 1.57–2.23, P<0.0001. Blood group O participants with complicated diseases had low parasitaemia compared to the other blood groups (P<0.0001. This may give blood group O individuals a survival advantage over the other groups in complicated malaria as suggested. Participants with complicated falciparum malaria were generally anaemic and younger than those with uncomplicated disease.

Distribution of Abo and Rhesus D blood groups among the Bini ...

African Journals Online (AJOL)

Distribution of Abo and Rhesus D blood groups among the Bini ethnic group of ... (Rh) blood group antigens are hereditary characters and are useful in population ... ethnic groups earlier reported in Nigeria with slight variation in frequency.

Association of ABO blood groups with diabetes mellitus | Kamil ...

African Journals Online (AJOL)

Objective: So far no studies have been performed in Malaysia to look at association of diabetes mellitus (DM) with blood groups. We studied the association of ABO blood groups with DM type 2. Patients and methodology: It was a case control study conducted at Kepala Batas Hospital Batas, Penang, Malaysia in the year ...

Genetic characterization of the ABO blood group in Neandertals

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Bertranpetit Jaume

2008-12-01

Full Text Available Abstract Background The high polymorphism rate in the human ABO blood group gene seems to be related to susceptibility to different pathogens. It has been estimated that all genetic variation underlying the human ABO alleles appeared along the human lineage, after the divergence from the chimpanzee lineage. A paleogenetic analysis of the ABO blood group gene in Neandertals allows us to directly test for the presence of the ABO alleles in these extinct humans. Results We have analysed two male Neandertals that were retrieved under controlled conditions at the El Sidron site in Asturias (Spain and that appeared to be almost free of modern human DNA contamination. We find a human specific diagnostic deletion for blood group O (O01 haplotype in both Neandertal individuals. Conclusion These results suggest that the genetic change responsible for the O blood group in humans predates the human and Neandertal divergence. A potential selective event associated with the emergence of the O allele may have therefore occurred after humans separated from their common ancestor with chimpanzees and before the human-Neandertal population divergence.

Frequency of abo blood groups among the diabetes mellitus type 2 patients

International Nuclear Information System (INIS)

Qureshi, M.A.; Bhatti, R.

2003-01-01

Objective: To study the frequency of ABO blood groups among diabetes mellitus type 2. Results: Comparison of blood groups frequency between the general population and diabetes type 2 patients was carried out in term of percentage. It was noticed that the values were 4.36, 17.15 and 7.34% higher for A, B and AB blood groups respectively in the diabetic patients. On the contrary, the value was 28.94% lower for the blood group O. Conclusion: Present study has supported the hypothesis that diabetes mellitus type 2 and blood groups are interrelated because of the broad genetic immunologic basis in both. It is concluded that the frequency of blood groups B and O is significantly higher and lower respectively in the diabetes mellitus type 2 patients as compared to the general population. (author)

ABO-Rh blood groups distribution in cardiac syndrome X patients

OpenAIRE

Kheradmand, Fatemeh; Rasmi, Yousef; Nemati, Mohaddeseh; Mohammadzad, Mir Hossein Seyed

2012-01-01

Background: Data on frequency distribution of ABO-Rh blood groups in cardiac syndrome X (CSX) patients are not available. We aimed to investigate the distribution of ABO-Rh blood groups in these patients. Materials and Methods: A total of 247 CSX patients’ records were reviewed in a cross-sectional study from 2006 to 2010. One hundred forty six patients (59.1%) were female, and the mean patient age was 52 ± 11 years. The frequency of ABO-Rh blood groups was compared to the frequency of these ...

The high-temperature modification of LuAgSn and high-pressure high-temperature experiments on DyAgSn, HoAgSn, and YbAgSn

Energy Technology Data Exchange (ETDEWEB)

Heying, B.; Rodewald, U.C.; Hermes, W.; Schappacher, F.M.; Riecken, J.F.; Poettgen, R. [Muenster Univ. (Germany). Inst. fuer Anorganische und Analytische Chemie; Heymann, G.; Huppertz, H. [Muenchen Univ. (Germany). Dept. fuer Chemie und Biochemie; Sebastian, C.P. [Max-Planck-Institut fuer Chemische Physik Fester Stoffe, Dresden (Germany)

2008-02-15

The high-temperature modification of LuAgSn was obtained by arc-melting an equiatomic mixture of the elements followed by quenching the melt on a water-cooled copper crucible. HT-LuAgSn crystallizes with the NdPtSb-type structure, space group P6{sub 3}mc: a = 463.5(1), c = 723.2(1) pm, wR2 = 0.0270, 151 F{sup 2}, and 11 variables. The silver and tin atoms build up two-dimensional, puckered [Ag{sub 3}Sn{sub 3}] networks (276 pm Ag-Sn) that are charge-balanced and separated by the lutetium atoms. The Ag-Sn distances between the [Ag{sub 3}Sn{sub 3}] layers of 294 pm are much longer. Single crystals of isotypic DyAgSn (a = 468.3(1), c = 734.4(1) pm, wR2 = 0.0343, 411 F{sup 2}, and 11 variables) and HoAgSn (a = 467.2(1), c = 731.7(2) pm, wR2 = 0.0318, 330 F{sup 2}, and 11 variables) were obtained from arc-melted samples. Under high-pressure (up to 12.2 GPa) and high-temperature (up to 1470 K) conditions, no transitions to a ZrNiAl-related phase have been observed for DyAgSn, HoAgSn, and YbAgSn. HT-TmAgSn shows Curie-Weiss paramagnetism with {mu}{sub eff} = 7.53(1) {mu}{sub B}/Tm atom and {theta}P = -15.0(5) K. No magnetic ordering was evident down to 3 K. HT-LuAgSn is a Pauli paramagnet. Room-temperature {sup 119}Sn Moessbauer spectra of HT-TmAgSn and HT-LuAgSn show singlet resonances with isomer shifts of 1.78(1) and 1.72(1) mm/s, respectively. (orig.)

[Association of abo blood groups with gestational diabetes mellitus].

Science.gov (United States)

Huidobro M, Andrea; Torres C, Demetrio; Paredes, Fabio

2017-04-01

ABO and Rhesus blood systems are associated with type 2 Diabetes Mellitus (DM2). Gestational Diabetes (GDM) is a model to study DM. To study the association between GDM and ABO and Rhesus groups. A retrospective cohort study was performed in 1,078 women who gave birth to a singleton in Talca Regional Hospital, Chile, during 2008. We analyzed personal, obstetric, medical data and ABO and Rh blood groups. GDM was diagnosed in 6.6% of women. Age and body mass index were significantly associated with GDM. There were no differences in Rh blood groups (p = 0.604), while ABO groups were different between GDM and controls. B antigen was present in 3% of GDM women and in 10.8% of controls (p = 0.037), with an odds ratio of 0.25 after adjusting for other associated risk factors (p = 0.06). ABO group is suggested as a possible protector marker for GDM.

Hepatitis B Virus Blood Screening: Need for Reappraisal of Blood Safety Measures?

Directory of Open Access Journals (Sweden)

Daniel Candotti

2018-02-01

Full Text Available Over the past decades, the risk of HBV transfusion–transmission has been steadily reduced through the recruitment of volunteer donors, the selection of donors based on risk-behavior evaluation, the development of increasingly more sensitive hepatitis B antigen (HBsAg assays, the use of hepatitis B core antibody (anti-HBc screening in some low-endemic countries, and the recent implementation of HBV nucleic acid testing (NAT. Despite this accumulation of blood safety measures, the desirable zero risk goal has yet to be achieved. The residual risk of HBV transfusion–transmission appears associated with the preseroconversion window period and occult HBV infection characterized by the absence of detectable HBsAg and extremely low levels of HBV DNA. Infected donations tested false-negative with serology and/or NAT still persist and derived blood components were shown to transmit the virus, although rarely. Questions regarding the apparent redundancy of some safety measures prompted debates on how to reduce the cost of HBV blood screening. In particular, accumulating data strongly suggests that HBsAg testing may add little, if any HBV risk reduction value when HBV NAT and anti-HBc screening also apply. Absence or minimal acceptable infectious risk needs to be assessed before considering discontinuing HBsAg. Nevertheless, HBsAg remains essential in high-endemic settings where anti-HBc testing cannot be implemented without compromising blood availability. HBV screening strategy should be decided according to local epidemiology, estimate of the infectious risk, and resources.

Relationship between ABO blood groups and head and neck cancer among Greek patients.

Science.gov (United States)

Kakava, Kassiani; Karelas, Ioannis; Koutrafouris, Ioannis; Damianidis, Savvas; Stampouloglou, Paulos; Papadakis, Georgios; Xenos, Antonios; Krania, Foteini; Sarof, Paulos; Tasopoulos, Georgios; Petridis, Nikolaos

2016-01-01

We examined the association of ABO blood groups with the different types of head and neck cancers. 195 diagnosed cases and 801 controls were selected from a Greek tertiary cancer center. Information regarding type of head and neck cancer and ABO blood group was collected and registered. The O blood group was found to be most prevalent followed by A, B and AB among the controls, whereas blood group A followed by O, B and AB was most prevalent among cancer patients. The difference among the distribution between the cases and controls was statistically significant in blood group A (pblood group A had 1.52-fold higher risk of developing head and neck cancer compared to people of other blood groups. Blood group A was found to be a potential risk factor for the development of head and neck cancers.

21 CFR 864.9185 - Blood grouping view box.

Science.gov (United States)

2010-04-01

... 21 Food and Drugs 8 2010-04-01 2010-04-01 false Blood grouping view box. 864.9185 Section 864.9185 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) MEDICAL DEVICES HEMATOLOGY AND PATHOLOGY DEVICES Products Used In Establishments That Manufacture Blood...

A CORRELATION BETWEEN ABO BLOOD GROUPS AND BODY MASS INDEX AMONG MEDICAL STUDENTS

Directory of Open Access Journals (Sweden)

Sarbjit Singh

2017-11-01

Full Text Available BACKGROUND ABO blood groups are associated with some important chronic diseases, obesity being the major risk factor is rising rapidly globally. The present study seeks to determine if there is any association between ABO blood groups and body mass index. MATERIALS AND METHODS The present study involve 200 medical students, 102 boys and 98 girls in the age group of 18-23 years in the Government Medical College, Amritsar. Weight, height for BMI and blood groups were determined in order to find any association between ABO blood group and BMI. RESULTS Overweight and obesity was found more prevalent in boys than girls, 22.5% students were overweight and 15.5% were obese. The prevalence of overweight was (24.52% boys and 20.40% girls and prevalence of obesity was (25.49% boys and 5.10% girls. Blood group B was reported the most common blood groups (37.5% followed by blood group O (32.0%, while blood groups A and AB were found 19.5% and 11% of participants, respectively. The prevalence of overweight (BMI 25-29.9 among participants based on blood group O, A, AB and B was 29.69%, 25.64%, 18.18%, 16.00%, while obesity (BMI >30 among participants based on blood groups B, O, A and AB was 24.00%, 10.94%, 10.26% and 9.09%. CONCLUSION Prevalence of overweight and obesity was more in blood group O and B respectively and was more in males than females

Study of Ag+/PAA (polyacrylic acid) and Ag0/PAA aqueous system at equilibrium

International Nuclear Information System (INIS)

Keghouche, N.; Mostafavi, M.; Delcourt, M.O.

1991-01-01

When submitted to gamma radiation the system Ag + -PAA-water leads to clusters Ag 0 n /PAA (3 420 nm) interacting with the clusters. Potentiometric measurements carried out on Ag + solutions in the presence of PAA at various pH show that the deprotonated form (polyacrylate anion) is strongly bonded to Ag + , on the opposite of the protonated form of PAA. One of the oligomer clusters can be stabilized for more than one year. Studying it by infra-red spectrometry reveals important modifications in the vibration bands of the COO - group circa 1400 and 1600 cm -1 according to the bonding of PAA with Ag + or Ag 0 [fr

MNS, Duffy, and Kell blood groups among the Uygur population of Xinjiang, China.

Science.gov (United States)

Lin, G Y; Du, X L; Shan, J J; Zhang, Y N; Zhang, Y Q; Wang, Q H

2017-03-15

Human blood groups are a significant resource for patients, leading to a fierce international competition in the screening of rare blood groups. Some rare blood group screening programs have been implemented in western countries and Japan, but not particularly in China. Recently, the genetic background of ABO and Rh blood groups for different ethnic groups or regions in China has been focused on increasingly. However, rare blood groups such as MN, Duffy, Kidd, MNS, and Diego are largely unexplored. No systematic reports exist concerning the polymorphisms and allele frequencies of rare blood groups in China's ethnic minorities such as Uygur and Kazak populations of Xinjiang, unlike those on the Han population. Therefore, this study aimed to investigate the allele frequencies of rare blood groups, namely, MNS, Duffy, Kell, Dombrock, Diego, Kidd, Scianna, Colton, and Lutheran in the Uygur population of Xinjiang Single specific primer-polymerase chain reaction was performed for genotyping and statistical analysis of 9 rare blood groups in 158 Uygur individuals. Allele frequencies were compared with distribution among other ethnic groups. Observed and expected values of genotype frequencies were compared using the chi-square test. Genotype frequencies obeyed the Hardy-Weinberg equilibrium (P > 0.5) and allele frequencies were stable. Of all subjects detected, 4 cases carried the rare phenotype S - s - of MNS blood group (frequency of 0.0253), and 1 case carried the phenotype Jk a-b- (frequency of 0.0063). Frequencies of the four groups, MNS, Duffy, Dombrock, and Diego, in the Uygur population differed from those in other ethnic groups. Gene distribution of the Kell, Kidd, and Colton was similar to that in Tibetan and Han populations, though there were some discrepancies. Gene distribution of Scianna and Lutheran groups showed monomorphism similar to that in Tibetan and Han populations. These findings could contribute to the investigation of the origin, evolution, and

ABO blood groups, Rhesus factor, and anaphylactic reactions due to Hymenoptera stings.

Science.gov (United States)

Pałgan, Krzysztof; Bartuzi, Zbigniew; Chrzaniecka, Elżbieta

2017-09-21

Numerous publications indicate that the prevalence of some infectious, neoplastic and immunological diseases are associated with ABO blood groups. The aim of this study was to verify whether ABO and Rh blood groups are associated with severe anaphylactic reactions after Hymenoptera stings. A study was undertaken of 71,441 Caucasian subjects living in the same geographic area. The study group included 353 patients with diagnosed systemic anaphylaxis to Hymenoptera venom. Control group included 71,088 healthy blood donors. Frequencies of ABO and Rhesus groups in the study and control groups were compared using univariate and multivariate analyses. No statistically significant interactions were observed between the ABO blood group and anaphylactic reactions to Hymenoptera.

ABO blood groups and risk for obesity in Arar, Northern Saudi Arabia.

Science.gov (United States)

Aboel-Fetoh, Nagah M; Alanazi, Arwa R; Alanazi, Abdullah S; Alruwili, Asma N

2016-12-01

ABO blood groups are associated with some important chronic diseases. Previous studies have observed an association between ABO blood group and risk for obesity. This study aimed to determine whether there is an association between ABO blood groups and obesity in apparently healthy attendees of primary healthcare (PHC) centers in Arar city, Northern Saudi Arabia. This cross-sectional study included 401 participants aged 15 years and older attending three randomly selected PHC centers in Arar city. Data were collected by means of personal interview using a predesigned questionnaire. Anthropometric examination included height and weight measurements with calculation of BMI. ABO and Rh blood groups were determined. The majority of the participants were female (70.8%). The mean±SD age was 28.6±9.1 years. Only 5.7% were underweight. Both normal and overweight participants were equal in number and constituted 28.4%, whereas obese individuals constituted 37.4% with a mean BMI of 28.56±8.0. Blood group O was the most common (44.1%), followed by A (30.9%), B (18.7%), and AB (6.2%). Rh-positive cases constituted 87.0%. Blood group O was the most common type among the obese individuals (44.7%), followed by A, B, and AB groups (30, 20, and 5.3%, respectively). BMI was highest (28.8±9.2) in blood group O. There were no statistically significant differences between different ABO blood groups as regards BMI, Rh, and sex. Moreover, there was no statistically significant difference between Rh type and BMI. The prevalence of obesity and overweight is high in the population attending PHC centers of Arar city, Northern Saudi Arabia. There is no association between overweight, obesity, and ABO blood groups or Rh.

Correlation of ABO blood groups with spontaneous recanalization in acute myocardial infarction.

Science.gov (United States)

Lin, Xian-Liang; Zhou, Bing-Yang; Li, Sha; Li, Xiao-Lin; Luo, Zhu-Rong; Li, Jian-Jun

2017-08-01

Although previous studies have demonstrated the relationship between ABO blood groups and cardiovascular disease, the association of ABO blood type with spontaneous recanalization (SR) in patients with acute myocardial infarction (AMI) has not been previously investigated. We performed an initial exploratory study on the association of ABO blood groups with the presence of SR in 1209 patients with AMI. They were divided into two groups according to the thrombolysis in myocardial infarction (TIMI) grades: no-SR group (TIMI 0-1, n = 442) and SR group (TIMI 2-3, n = 767). To confirm our primary findings, data from a second AMI population (n = 200) was analyzed. In the initial data, SR group had a significantly higher percentage of blood type O and a lower percentage of blood type A compared to the no-SR group. Multivariate logistic regression analysis showed that blood type O was positively associated with SR (odds ratio: 1.40, 95% confidence interval: 1.05-1.87, p = .02), and this finding was confirmed in our second population. The present study demonstrates that blood type O was independently and positively associated with an open culprit artery in patients with AMI, suggesting that the ABO blood type is not only associated with the susceptibility to coronary artery disease but also to spontaneous reperfusion in AMI patients.

Arcuate AgRP neurons mediate orexigenic and glucoregulatory actions of ghrelin

OpenAIRE

Wang, Qian; Liu, Chen; Uchida, Aki; Chuang, Jen-Chieh; Walker, Angela; Liu, Tiemin; Osborne-Lawrence, Sherri; Mason, Brittany L.; Mosher, Christina; Berglund, Eric D.; Elmquist, Joel K.; Zigman, Jeffrey M.

2014-01-01

The hormone ghrelin stimulates eating and helps maintain blood glucose upon caloric restriction. While previous studies have demonstrated that hypothalamic arcuate AgRP neurons are targets of ghrelin, the overall relevance of ghrelin signaling within intact AgRP neurons is unclear. Here, we tested the functional significance of ghrelin action on AgRP neurons using a new, tamoxifen-inducible AgRP-CreERT2 transgenic mouse model that allows spatiotemporally-controlled re-expression of physiologi...

Transfusion transmissible infections among healthy blood donors at blood bank from children's hospital and institute of child health lahore

International Nuclear Information System (INIS)

Zameer, M.; Shahzad, F.; Khan, F.S.; Farooq, M.; Ali, H.; Saeed, U.

2017-01-01

Objective: To determine the frequency of HIV, HBV, HCV, syphilis and malaria in blood donors at Children Hospital and Institute of Child Health (ICH), Lahore and compare with other local and international published data. Study Design: Descriptive study. Place and Duration of Study: This was conducted at the blood bank of Children's Hospital and ICH, Lahore from October 2015 to February 2016. Patient and Methods: All adult male blood donors who had donated blood during above mentioned period, between 18 to 55 years of age were included in this study. Each and every donor was subjected to a predetermined, prepared questionnaire to find out their eligibility for donation. All blood donors' serum samples were screened for HBsAg, Anti-HCV, syphilis, HIV and malaria by immuno chromatography technique according to manufacturer instruction. Results: Statistical analysis showed that out of 10,048 blood donors, 7.94 percent (n=798) were infected with any one of the above mentioned diseases and 92.05 percent (n=9,250) had no infection. The overall frequency of HBsAg, HCV, HIV, syphilis and malaria were found to be 1.59 percent, 3.75 percent, 0.11 percent, 2.08 percent and 0.39 percent respectively. The co-infections of HCV + Syphilis, HBsAg + HCV, HBsAg + Syphilis, HCV + malarial parasite (M.P) and HBsAg + HIV + syphilis was 0.12 percent, 0.11 percent, 0.01 percent and 0.0099 percent respectively. Conclusion: There is a decreasing trend of HBsAg, HCV infections but increasing trend of HIV and syphilis infections in blood donors that is an alarming situation. (author)

Manifestations of perihepatic lymph nodes in acute flare of chronic hepatitis B: association with HBeAg status and with HBeAg seroconversion.

Directory of Open Access Journals (Sweden)

Yen-Ling Ko

Full Text Available It has been observed that enlargement of perihepatic lymph nodes may be seen in patients with chronic hepatitis B, particularly during acute flares of CHB. We hypothesized that there may be a correlation between the nodal change patterns in CHB patients with acute flare and HBeAg status. Perihepatic lymph node sizes of 87 patients with acute flares of CHB were documented, with a median follow up of 43 months. Patients were separated into 3 groups, HBeAg-positive with HBe seroconversion (group 1, HBeAg-positive without HBe seroconversion (group 2, and HBeAg-negative (group 3. Group 1 has the highest incidence of enlarged lymph nodes (92.3% compared with group 2 (75.8% and group 3 (46.8% (p = 0.003. And if nodal width at acute flare was > 8mm and interval change of nodal width was >3mm, the incidence of HBeAg seroconversion will be 75% (p<0.001.Larger perihepatic lymph nodes are seen in CHB acute flare patients with positive HBeAg and the magnitude of nodal width change may predict HBeAg seroconversion at recovery.

Associations between ABO blood groups and biochemical recurrence after radical prostatectomy.

Science.gov (United States)

Ohno, Yoshio; Ohori, Makoto; Nakashima, Jun; Okubo, Hidenori; Satake, Naoya; Takizawa, Issei; Hashimoto, Takeshi; Hamada, Riu; Nakagami, Yoshihiro; Yoshioka, Kunihiko; Tachibana, Masaaki

2015-01-01

Recent studies have demonstrated associations between ABO blood groups and prognosis in various types of cancers. The aim of this study was to investigate the association between ABO blood groups and biochemical recurrence (BCR) after radical prostatectomy (RP). A total of 555 patients with prostate cancer who underwent RP were included in the study. No patients received neoadjuvant and/or adjuvant therapy. The effect of ABO blood groups on BCR was examined using univariate and multivariate analyses. During the follow-up period (mean, 52.0 months), 166 patients (29.9%) experienced BCR, with a 5-year BCR-free rate of 67.3%. Although the ABO blood group was not a significantly associated with BCR in the univariate analysis, it was an independent predictor of BCR in the multivariate analysis: blood type O patients had a significantly lower risk of BCR compared to type A patients (Hazard ratio, 0.608; 95% confidence interval, 0.410-0.902; P = 0.014). Further analyses revealed that surgical margin status confounded the assessment of the association between the ABO blood group and BCR. In the analyses of patients with a negative surgical margin, the 5-year BCR-free rate in blood type O patients was a significantly higher than that in type A patients (91.2% vs. 71.0%; P = 0.026). Blood type O is significantly associated with a decreased risk of biochemical recurrence after radical prostatectomy. Further studies are needed to clarify the nature of this association.

The pattern of distribution of ABO blood groups in North Western ...

African Journals Online (AJOL)

Background: Everybody over the age of about six months has clinically significant anti-A or Anti-B in their serum, if they lack the corresponding antigens on their red cells. ABO blood group antigens are the most important in blood transfusion services. This study was to determine the current incidence of ABO blood group ...

a preliminary study of blood groups among students in bayelsa state

African Journals Online (AJOL)

honey

2014-03-31

Mar 31, 2014 ... The various blood groups and their distribution among the student population are as shown in table 1 and figure 1. Equally, the distribution of the Rhesus status among the student population is displayed in figure 2. Table 1: Distribution of ABO blood groups. Blood types. Frequency. Percentage. O. A. B. AB.

File list: Unc.Bld.50.AllAg.Neutrophils [Chip-atlas[Archive

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Lack of any association between blood groups and lung cancer, independent of histology.

Science.gov (United States)

Oguz, Arzu; Unal, Dilek; Tasdemir, Arzu; Karahan, Samet; Aykas, Fatma; Mutlu, Hasan; Cihan, Yasemin Benderli; Kanbay, Mehmet

2013-01-01

Lung cancer, the leading cause of cancer deaths, is divided into 2 main classes based on its biology, therapy and prognosis: non-small cell lung cancer (NSCLC) and small cell lung cancer (SCLC). Many cases are at an advanced stage at diagnosis, which is a major obstacle to improving outcomes. It is important to define the high risk group patients for early diagnosis and chance of cure. Blood group antigens are chemical components on erythrocyte membranes but they are also expressed on a variety of epithelial cells. Links between ABO blood groups with benign or malignant diseases, such as gastric and pancreas cancers, have been observed for a long time. In this study, we aimed to investigate any possible relationship between lung cancer histological subtypes and ABO-Rh blood groups. The files of 307 pathologically confirmed lung cancer patients were were reviewed retrospectively. Cases with a serologically determined blood group and Rh factor were included and those with a history of another primary cancer were excluded, leaving a total of 221. The distribution of blood groups of the lung cancer patients were compared with the distribution of blood groups of healthy donors admitted to the Turkish Red Crescent Blood Service in our city in the year 2012. There was no significant difference between patients with lung cancer of either type and the control group in terms of distribution of ABO blood groups and Rh factor (p: 0.073). There was also no relationship with non small cell cancer histological subtypes. In this study, we found no relationship between the ABO-Rhesus blood groups and NSCLC and SCLC groups. To our knowledge this is the first analysis of ABO blood groups in SCLC patients.

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Frequency distribution of ABO and Rh (D) blood group alleles in Silte Zone, Ethiopia

OpenAIRE

Kassahun Tesfaye; Yohannes Petros; Mebeaselassie Andargie

2015-01-01

Background: Frequency distribution of blood groups is important as it is used in modern medicine, genetic research, anthropology, and tracing ancestral relations of humans. The ABO and Rh blood groups are the most important blood groups despite the long list of several other blood groups discovered so far. Aim of the study: To study and document the frequency of ABO and Rh (D) blood groups in three ethnic groups of Silte Zone, Ethiopia. Subjects and methods: ABO and Rh (D) typing was ca...

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Lifescience Database Archive (English)

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File list: ALL.Bld.10.AllAg.Plasmablasts [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: ALL.Bld.20.AllAg.Plasmablasts [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: ALL.Bld.50.AllAg.Plasmablasts [Chip-atlas[Archive

Lifescience Database Archive (English)

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Hyperglycemia (High Blood Glucose)

Medline Plus

Full Text Available ... Carbohydrate Counting Make Your Carbs Count Glycemic Index Low-Calorie Sweeteners Sugar and Desserts Fitness Exercise & Type ... Checking Your Blood Glucose A1C and eAG Hypoglycemia (Low blood glucose) Hyperglycemia (High blood glucose) Dawn Phenomenon ...

File list: DNS.Bld.50.AllAg.Polymorphonuclear_leukocytes [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: Pol.Bld.20.AllAg.Polymorphonuclear_leukocytes [Chip-atlas[Archive

Lifescience Database Archive (English)

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Lifescience Database Archive (English)

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File list: DNS.Bld.20.AllAg.Polymorphonuclear_leukocytes [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: DNS.Bld.10.AllAg.Polymorphonuclear_leukocytes [Chip-atlas[Archive

Lifescience Database Archive (English)

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Lifescience Database Archive (English)

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File list: Pol.Bld.05.AllAg.Polymorphonuclear_leukocytes [Chip-atlas[Archive

Lifescience Database Archive (English)

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COMPARATIVE ANALYSIS OF BLOOD GROUPING IN HEALTHY BLOOD DONOR USING GEL CARD TECHNIQUE AND TUBE METHOD

Directory of Open Access Journals (Sweden)

Muhammad Usman

2016-12-01

Full Text Available Blood grouping is a vital test in pre-transfusion testing. Both tube and gel agglutination assays are used for ABO grouping. The main object of this study was to compare ABO grouping and D typing on tube and gel agglutination assay in order to assess the efficacy of each technique. A total of 100 healthy blood donors irrespective of age and sex were included in this study. Results showed that there is no significant difference between these two techniques. However, in 10 samples it was detected that the reaction strength in serum ABO grouping by gel agglutination assay is varied by only one grade when compared to tube agglutination assay. Due to numerous positive effects of gel assay it is more beneficial to implement this technique in the setups where blood banks bear heavy routine work load.

SMIM1 underlies the Vel blood group and influences red blood cell traits

DEFF Research Database (Denmark)

Cvejic, Ana; Haer-Wigman, Lonneke; Stephens, Jonathan C

2013-01-01

The blood group Vel was discovered 60 years ago, but the underlying gene is unknown. Individuals negative for the Vel antigen are rare and are required for the safe transfusion of patients with antibodies to Vel. To identify the responsible gene, we sequenced the exomes of five individuals negative...... and expression of the Vel antigen on SMIM1-transfected cells confirm SMIM1 as the gene underlying the Vel blood group. An expression quantitative trait locus (eQTL), the common SNP rs1175550 contributes to variable expression of the Vel antigen (P = 0.003) and influences the mean hemoglobin concentration of red...... blood cells (RBCs; P = 8.6 × 10(-15)). In vivo, zebrafish with smim1 knockdown showed a mild reduction in the number of RBCs, identifying SMIM1 as a new regulator of RBC formation. Our findings are of immediate relevance, as the homozygous presence of the deletion allows the unequivocal identification...

The distribution of the ABO blood groups among the diabetes ...

African Journals Online (AJOL)

The distribution of the ABO blood groups among the diabetes mellitus patients. ... Among diabetic men, the frequency of only blood group B was significantly higher, while on the contrary among diabetic women the frequency of both A and B (29.7% vs. 24.8%; P = 0.03 and 25.5% vs. 20%; P < 0.009, respectively) were ...

Histo-blood group carbohydrates as facilitators for infection by Helicobacter pylori.

Science.gov (United States)

Brandão de Mattos, Cinara Cássia; de Mattos, Luiz Carlos

2017-09-01

Helicobacter pylori infect millions of people around the world. It occupies a niche in the human gastrointestinal tract characterized by high expression of a repertoire of carbohydrates. ABO and Lewis histo-blood group systems are controlled by genes coding for functional glycosyltransferases which synthesize great diversity of related fucosylated carbohydrate in different tissues, including gastrointestinal mucosa, and exocrine secretions. The structural diversity of histo-blood group carbohydrates is highly complex and depends on epistatic interactions among gene-encoding glycosyltransferases. The histo-blood group glycosyltransferases act in the glycosylation of proteins and lipids in the human gastrointestinal tract allowing the expression of a variety of potential receptors in which H. pylori can adhere. These oligosaccharide molecules are part of the gastrointestinal repertoire of carbohydrates which act as potential receptors for microorganisms, including H. pylori. This Gram-negative bacillus is one of the main causes of the gastrointestinal diseases such as chronic active gastritis, peptic ulcer, and cancer of stomach. Previous reports showed that some H. pylori strains use carbohydrates as receptors to adhere to the gastric and duodenal mucosa. Since some histo-blood group carbohydrates are highly expressed in one but not in others histo-blood group phenotypes it has pointed out that quantitative differences among them influence the susceptibility to diseases caused by H. pylori. Additionally, some experiments using animal model are helping us to understand how this bacillus explore histo-blood group carbohydrates as potential receptors, offering possibility to explore new strategies of management of infection, disease treatment, and prevention. This text highlights the importance of structural diversity of ABO and Lewis histo-blood group carbohydrates as facilitators for H. pylori infection. Copyright © 2017 Elsevier B.V. All rights reserved.

The polymorphism of the Knops blood group system among five Chinese ethnic groups.

Science.gov (United States)

Li, Qin; Han, Sha-Sha; Guo, Zhong-Hui; Yang, Ying; Zhou, Jie; Zhu, Zi-Yan

2010-12-01

This work aims to explain the complexity of the Knops blood group system in the Chinese population. The Knops blood group system consists of antigens encoded by CR1 gene exon 29. A total of 281 individuals from the Han, Uigur, Tu, Lisu and Dong ethnic groups were studied. The coding region of the CR1 gene of 11 Han donors was analysed using reverse transcription-polymerase chain reaction (PCR) and sequencing. CR1 gene exon 29 in the 39 samples was analysed through genomic DNA sequencing. According to the sequencing result, a PCR-sequence-specific primers system was designed to screen the A4646G and A4870G alleles in the Chinese population. Twelve single nucleotide polymorphisms (SNPs) were observed in the coding region of the CR1 gene in the Han population. Two SNPs (A4646G and A4870G) were detected in the CR1 gene exon 29. The 4646G allele was found only in the Uigur and Tu ethnic groups, in which the allele frequencies were 0·11 and 0·06, respectively. The frequencies of the 4870A allele in the Han, Uigur, Tu, Lisu and Dong ethnic groups were 0·82, 0·83, 0·82, 0·57 and 0·57, respectively. The CR1 gene in the Chinese people is more conservative than that in the Caucasian or African people. Different Chinese ethnic groups may have their own different CR1 gene characteristics. The existence of 4646G in the Uigur and Tu ethnic groups suggests that both may carry certain Caucasian characteristics in the CR1 gene. The frequency of 4870G in the Lisu and Dong ethnic groups implies possible incidence of evolutionary pressure similar to what the Africans had experienced. © 2010 The Authors. Transfusion Medicine © 2010 British Blood Transfusion Society.

ABO Blood Group and Dementia Risk--A Scandinavian Record-Linkage Study

DEFF Research Database (Denmark)

Vasan, Senthil K; Rostgaard, Klaus; Ullum, Henrik

2015-01-01

,615 cases of Alzheimer's disease, 1,842 cases of vascular dementia, and 9,091 cases of unspecified dementia. Overall, our study showed no association between ABO blood group and risk of Alzheimer's disease, vascular dementia or unspecified dementia. This was also true when analyses were restricted to donors......BACKGROUND: Dementia includes a group of neuro-degenerative disorders characterized by varying degrees of cognitive impairment. Recent data indicates that blood group AB is associated with impaired cognition in elderly patients. To date there are no large-scale studies that have examined...... the relationship between ABO blood group and dementia-related disorders in detail. METHODS: We used data from the SCANDAT2 database that contains information on over 1.6 million blood donors from 1968 in Sweden and 1981 from Denmark. The database was linked with health outcomes data from nationwide patient...

File list: Oth.Bld.05.AllAg.Polymorphonuclear_leukocytes [Chip-atlas[Archive

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File list: Oth.Bld.50.AllAg.Polymorphonuclear_leukocytes [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: Oth.Bld.20.AllAg.Polymorphonuclear_leukocytes [Chip-atlas[Archive

Lifescience Database Archive (English)

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The distribution of the ABO and Rhesus blood groups among an ...

African Journals Online (AJOL)

Background: In this study, the authors set out to find out the ABO-RhD blood group distribution among Idoma, an indigenous ethnic group in the middle belt of Nigeria in view of the paucity of such information about the ethnic group. Methodology: 2,000 blood donor volunteers were randomly selected from the Idoma ...

ABO and Rh blood groups frequency in women with HER2 positive breast cancer.

Science.gov (United States)

Urun, Y; Utkan, G; Altundag, K; Arslan, O; Onur, H; Arslan, U Y; Kocer, M; Dogan, I; Senler, F C; Yalcin, B; Demirkazik, A; Akbulut, H; Icli, F

2012-01-01

The role of genetic factors in the development of cancer is widely accepted. Data on the role of ABO blood group and Rh factor in breast cancer is inconclusive. The aim of this study was to investigate the presence of a possible association between HER2 (+) breast cancer in Turkish women and ABO blood groups and Rh factor. In 294 female patients with HER2 (+) breast cancer, ABO blood groups and Rh factor were examined. The relationship of blood groups with age, menopausal status, and family history of cancer, estrogen receptor (ER), progesterone receptor (PR) and HER2 status of these patients was evaluated. Blood groups distribution of 22,821 healthy blood donors was also assessed and compared with the patients' blood groups distribution. The median patient age was 47 years (range 20-80) and 56% of the patients were premenopausal. ER and PR were positive in 50 and 60% of the patients, respectively. Overall, the ABO blood group distribution of the 294 HER2 (+) breast cancer patients was similar to that of the healthy blood donors (p=0.36). Likewise there was no correlation between blood type and ER, PR and menopausal status. Rh (-) patients had more frequent family cancer history and this difference was significant for patients with blood group B Rh (-) and O Rh (-) (p = 0.04). In the present study we didn't find any relationship between HER2 status and ABO blood group and Rh factor. However, further studies with larger number of patients are needed to establish the role (if any) of blood groups in patients with breast cancer.

File list: ALL.Bld.20.AllAg.Neutrophils [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: His.Bld.05.AllAg.Neutrophils [Chip-atlas[Archive

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Qualitative Analysis of Primary Fingerprint Pattern in Different Blood Group and Gender in Nepalese

Directory of Open Access Journals (Sweden)

Sudikshya KC

2018-01-01

Full Text Available Dermatoglyphics, the study of epidermal ridges on palm, sole, and digits, is considered as most effective and reliable evidence of identification. The fingerprints were studied in 300 Nepalese of known blood groups of different ages and classified into primary patterns and then analyzed statistically. In both sexes, incidence of loops was highest in ABO blood group and Rh +ve blood types, followed by whorls and arches, while the incidence of whorls was highest followed by loops and arches in Rh −ve blood types. Loops were higher in all blood groups except “A –ve” and “B –ve” where whorls were predominant. The fingerprint pattern in Rh blood types of blood group “A” was statistically significant while in others it was insignificant. In middle and little finger, loops were higher whereas in ring finger whorls were higher in all blood groups. Whorls were higher in thumb and index finger except in blood group “O” where loops were predominant. This study concludes that distribution of primary pattern of fingerprint is not related to gender and blood group but is related to individual digits.

RESTING PLASMA AgRP LEVELS RESPONSE TO EXERCISE-CONJUGATED DIET AND ONLY DIET IN OVERWEIGHT AND OBESE SEDENTARY FEMALES

Directory of Open Access Journals (Sweden)

Mahmoud Delphan

2012-01-01

Full Text Available Agouti-related peptide (AgRP is an orexigenic neuropeptide produced mainly in the arcuate nucleus (ARC of the hypothalamus, which leads to positive energy balance. The purpose of the present study was to investigate the resting plasma AgRP levels’ response to exercise-conjugated diet and only diet in overweight and obese sedentary female college students. Thirty subjects were randomly divided into two experimental groups and one control group. Experimental group 1 experienced 12 days of researchers’ proposed diet (D, experimental group 2 experienced 12 days of researchers’ proposed diet (every day with 12-day running training (the intensity was 60 to 70�0heart rate maximum for 50 minutes every other day (AED and the control group remained sedentary with a normal diet in this period. Blood samples were collected 24 hours before and after the enforced protocol. Body fat percentage (BF�20of subjects was measured using the 3-point method. Plasma AgRP levels were measured using the enzyme-linked immunosorbent assay (ELISA method. The data were analysed by Leven, Kolmogorov-Smirnov, one-way analysis of variance (ANOVA and Tukey post-hoc test. At the end of the protocols, the resting plasma AgRP in the D group increased significantly (p0.05. Body weight and BMI were significantly reduced for both experimental groups (P<0.001. Body fat percentage in the AED group was decreased (p<0.001 and no change was observed in the D group. The present results indicate that the AED is better than the D protocol because it leads to stability of AgRP, which may prevent lipogenesis and ultimately reduce body fat percentage.

Reduced prevalence of placental malaria in primiparae with blood group O

NARCIS (Netherlands)

Bedu-Addo, George; Gai, Prabhanjan P.; Meese, Stefanie; Eggelte, Teunis A.; Thangaraj, Kumarasamy; Mockenhaupt, Frank P.

2014-01-01

Blood group O protects African children against severe malaria and has reached high prevalence in malarious regions. However, its role in malaria in pregnancy is ambiguous. In 839 delivering Ghanaian women, associations of ABO blood groups with Plasmodium falciparum infection were examined.

Distribution of ABO blood groups in the patients with intracranial aneurysm and association of different risk factors with particular blood type.

Science.gov (United States)

Bir, Shyamal Chandra; Bollam, Papireddy; Nanda, Anil

2015-01-01

The association between ABO blood groups and intracranial aneurysms is not well-known. Many co-morbid factors are associated with intracranial aneurysms. Our objective was to assess the prevalence of different blood group in patients with intracranial aneurysm and to look for associations between risk factors and these groups. This retrospective study includes 1,491 cases who underwent surgical operations for intracranial aneurysms from 1993-2014. We have evaluated the information related to clinical history, ABO blood groups and associated risk factors in the patients both ruptured and unruptured intracranial aneurysms by chart review of the cases. In our study, out of 1,491 cases, the most common ABO blood groups were group O (668 cases, 44.80%) and Group A (603 cases, 40.44%), and Rh(+) in 1,319 (88.4%) and Rh(-) in 147 (11.6%). Blood Group A (43% vs. 36%) and Group B (16.2% vs. 8.6%) were significantly higher in Caucasian and African Americans respectively. However, in general population, there was no significant difference in blood groups between Caucasians and African Americans. Rh(-) factor was significantly higher in Caucasians compared to African Americans. Incidence of smoking was significantly higher in aneurysm patients with O group compared to others. In addition, incidence of hypercholesterolemia was significantly higher in aneurysm patients with A group compared to others. The racial disparity in the distribution of blood groups, and risk factor association with blood groups in the development of intracranial aneurysm needs to be considered. The findings from our study may be useful in identifying patients at increased risk. Further study may be required to establish the risks from multiple centers studies around the world.

Relevance of blood groups in transfusion of sickle cell disease patients.

Science.gov (United States)

Noizat-Pirenne, France

2013-03-01

Blood groups are clinically significant in sickle cell disease (SCD) as transfusion remains a key treatment in this pathology. The occurrence of a delayed haemolytic transfusion reaction (DHTR) is not rare and is a life-threatening event. The main cause of DHTR is the production of alloantibodies against red blood cell antigens. The high rate of alloimmunization in SCD patients is mainly due to the differences of red blood groups between patients of African descent, and the frequently Caucasian donors. From an immuno-haematological point of view, DHTR in SCD patients has specific features: classical antibodies known to be haemolytic can be encountered, but otherwise non significant antibodies, autoantibodies and antibodies related to partial and rare blood groups are also frequently found in individuals of African descent. In some cases, there are no detectable antibodies. As alloimmunization remains the main cause of DHTR, it is extremely important to promote blood donation by individuals of African ancestry to make appropriate blood available. Copyright © 2012 Académie des sciences. Published by Elsevier SAS. All rights reserved.

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File list: Oth.Bld.50.AllAg.PBMC [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: Oth.Bld.20.AllAg.PBMC [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: Oth.Bld.10.AllAg.PBMC [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: Oth.Bld.05.AllAg.PBMC [Chip-atlas[Archive

Lifescience Database Archive (English)

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First principles-based adsorption comparison of group IV elements (C, Si, Ge, and Sn) on Au(111)/Ag(111) surface

International Nuclear Information System (INIS)

Chakraborty, Sudip; Rajesh, Ch.

2012-01-01

We have reported a first-principle investigation of the structural properties of monomer and dimer for group IV elements (C, Si, Ge, and Sn) adsorbed on the Au(111) and Ag(111) surfaces. The calculations were performed by means of a plane wave based pseudopotential method under the framework of density functional theory. The results reveal the preference of adatom to be adsorbed on the hexagonal closed packed site of the metal (111) surfaces with strong binding energy. The structures introduce interlayer forces in the adsorbate. The strong bonding with the surface atoms is a result of p–d hybridization. The adsorption energy follows a sequence as one goes down in the group IV elements which imply that the interaction of the group IV elements with Au/Ag is decreasing as the atomic number increases.

An ABO blood grouping discrepancy: Probable B(A) phenotype.

Science.gov (United States)

Jain, Ashish; Gupta, Anubhav; Malhotra, Sheetal; Marwaha, Neelam; Sharma, Ratti Ram

2017-06-01

In B(A) phenotype, an autosomal dominant phenotype, there is a weak A expression on group B RBCs. We herein report a case of a probable B(A) phenotype in a first time 20-year old male donor. The cell and serum grouping were done using tube technique and also with blood grouping gel card (Diaclone, ABD cards for donors, BioRad, Switzerland). The antisera used were commercial monoclonal IgM type. To check for the weak subgroup of A, cold adsorption and heat elution was performed. The cell grouping was A weak B RhD positive while the serum grouping was B. There was no agglutination with O cells and the autologous control was also negative. It was a group II ABO discrepancy with or without group IV discrepancy. Results for both the eluate and last wash were negative. Hence, the possibility of weak subgroup of A was unlikely. Blood grouping gel card also showed a negative reaction in the anti-A column. One lot of anti-A was showing 'weak +' agglutination while the other lot was showing 'negative' reaction with the donor RBCs by tube technique. There was no agglutination observed with anti-A1 lectin. Our case highlights the serological characteristics of a B(A) phenotype. This case emphasizes the vital role of cell and serum grouping in detecting such discrepancies especially in donors which can lead to mislabeling of the blood unit and may be a potential risk for the transfusion recipient if not resolved appropriately. Copyright © 2017 Elsevier Ltd. All rights reserved.

File list: His.Bld.20.AllAg.Plasma_Cells [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: His.Bld.50.AllAg.Plasma_Cells [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: His.Bld.05.AllAg.Plasma_Cells [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: His.Bld.10.AllAg.Plasma_Cells [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: His.Bld.20.AllAg.Kidney_Cortex [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: His.Bld.50.AllAg.Kidney_Cortex [Chip-atlas[Archive

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Lifescience Database Archive (English)

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[Racism of "Blood" and colonial medicine - Blood group anthropology studies at Keijo Imperial University Department of Forensic Medicine].

Science.gov (United States)

Jung, Joon Young

2012-12-01

This paper attempts to explore implications of Colonial medicine's Blood Type Studies, concerning the characteristics and tasks of racism in the Japanese Colonial Empire. Especially, it focuses on the Blood Group Anthropology Studies at Keijo Imperial University Department of Forensic Medicine. In Colonial Korea, the main stream of Blood Type Studies were Blood Group Anthropology Studies, which place Korean people who was inferior to Japanese people in the geography of the race on the one hand, but on the other, put Koreans as a missing link between the Mongolian and the Japanese for fulfillment of the Japanese colonialism, that is, assimilationist ideology. Then, Compared to the Western medicine and Metropole medicine of Japan, How differentiated was this tendency of Colonial Medicine from them? In this paper, main issues of Blood Group Anthropology Studies and its colonial implications are examined. The Korean Society for the History of Medicine.

File list: His.Bld.10.AllAg.Plasmacytoma [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: His.Bld.05.AllAg.Plasmacytoma [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: His.Bld.20.AllAg.Plasmacytoma [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: His.Bld.50.AllAg.Plasmacytoma [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: His.Bld.05.AllAg.PBMC [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: His.Bld.20.AllAg.PBMC [Chip-atlas[Archive

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File list: His.Bld.50.AllAg.PBMC [Chip-atlas[Archive

Lifescience Database Archive (English)

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Distribution of ABO and Rh Blood Groups in Patients With Keratoconus: A Case-Control Study.

Science.gov (United States)

Naderan, Mohammad; Rajabi, Mohammad Taher; Shoar, Saeed; Kamaleddin, Mohammad Amin; Naderan, Morteza; Rezagholizadeh, Farzaneh; Zolfaghari, Masoome; Pahlevani, Rozhin

2015-07-01

Association of keratoconus (KC) with genetic predisposition and environmental factors has been well documented. However, no single study has investigated the possible relationship between ABO and Rh blood groups and KC. A case-control study was designed in a university hospital enrolling 214 patients with KC in the case group and equal number of age- and sex-matched healthy subjects in the control group. Primary characteristics, ABO blood group, and Rh factors were compared between the two groups. Topographic findings of KC eyes and the severity of the diseases were investigated according to the distribution of the blood groups. Blood group O and Rh(+) phenotype were most frequent in both groups. There was no significant difference between the two groups in terms of ABO blood groups or Rh factors. Mean keratometery (K), central corneal thickness, thinnest corneal thickness, flat K, steep K, sphere and cylinder, spherical equivalent, and uncorrected visual acuity were all similar between ABO blood groups and Rh(+) and Rh(-) groups. However, the best spectacle-corrected visual acuity (BCVA) had the highest value in AB blood group (0.35 ± 0.22 logMAR, P=0.005). Moreover, the blood group AB revealed the highest frequency for grade 3 KC, followed by grades 1, 2, and 4 (P=0.003). We observed no significant excess of any particular blood group among KC cases compared with healthy subjects. Except BCVA, none of the keratometric or topographic findings was significantly different between blood groups.

Thrombin Generating Capacity and Phenotypic Association in ABO Blood Groups.

Science.gov (United States)

Kremers, Romy M W; Mohamed, Abdulrahman B O; Pelkmans, Leonie; Hindawi, Salwa; Hemker, H Coenraad; de Laat, H Bas; Huskens, Dana; Al Dieri, Raed

2015-01-01

Individuals with blood group O have a higher bleeding risk than non-O blood groups. This could be explained by the lower levels of FVIII and von Willebrand Factor (VWF) levels in O individuals. We investigated the relationship between blood groups, thrombin generation (TG), prothrombin activation and thrombin inactivation. Plasma levels of VWF, FVIII, antithrombin, fibrinogen, prothrombin and α2Macroglobulin (α2M) levels were determined. TG was measured in platelet rich (PRP) and platelet poor plasma (PPP) of 217 healthy donors and prothrombin conversion and thrombin inactivation were calculated. VWF and FVIII levels were lower (75% and 78%) and α2M levels were higher (125%) in the O group. TG is 10% lower in the O group in PPP and PRP. Less prothrombin was converted in the O group (86%) and the thrombin decay capacity was lower as well. In the O group, α2M plays a significantly larger role in the inhibition of thrombin (126%). In conclusion, TG is lower in the O group due to lower prothrombin conversion, and a larger contribution of α2M to thrombin inactivation. The former is unrelated to platelet function because it is similar in PRP and PPP, but can be explained by the lower levels of FVIII.

[Serological Characteristics and Family Survey of 3 Cases of H-deficient Blood Group].

Science.gov (United States)

Geng, Wei; Gao, Huan-Huan; Zhang, Lin-Wei

2016-06-01

To investigate the serological characteristics and the genetic status of the family of H-deficient blood group in Jining area of Shandong province in China. ABO, H, and Lewis blood groups in 3 probands were screened out by the serological method, and saliva testing was performed on all the individuals. The presence of weak A or B on the RBC was confirmed by using the adsorption-elution procedure. Three cases of H-deficient blood group were identified to be para-Bombay blood group (secretor), out of 3 cases, 2 cases were Bh, 1 case was Ah, and anti-H or anti-HI antibody was detected in their serum. Three cases of H-deficerent blood group are para-Bombay phenotype, among them one proband's parents have been confirmed to be consanguineous relationship.

The relation of abo and Rh blood groups, sex, age and myocardial infraction

International Nuclear Information System (INIS)

Siddiqui, Z.H.; Chaudhry, M.A.; Butt, H.

2009-01-01

The present studies have determined the relationship of myocardial infarction with ABO and Rh blood group system gender and age' in the population of Punjab province, Pakistan. One thousand and thirty patients of myocardial infarction were selected from Punjab Institute of Cardiology, Sheikh Zaid Hospital and Jinnah Hospital Lahore. All these patients were diagnosed by physicians according to standard methods. Blood group of patients was determined by agglutination method. Blood group data of same number of normal subjects was collected from blood banks and residential areas of Lahore city for comparison. A significant relationship was observed both for blood group A and Rh-negative in myocardial infarction patients. It was also observed that male individuals in age group of 51 -60 years are more vulnerable to myocardial infarction. (author)

[Association between ABO blood groups and coronary heart disease in Chinese Guangxi Zhuang population].

Science.gov (United States)

Shi, Ying; Lin, Yingzhong; Liu, Hairun; Ji, Qingwei; Lu, Zhihong; Lu, Zhengde; Xu, Nengwen; Yuan, Jun; Liu, Ling

2015-09-01

To investigate this association between ABO blood groups and coronary heart disease (CHD) in the Chinese Guangxi Zhuang population. From August 2010 to April 2013, we performed a case-control study in a Chinese Zhuang population, which included 1 024 CHD cases and 1 024 age and gender-matched non-CHD controls. The ABO blood groups and biological variables were measured by standard laboratory procedures. The Gensini score was used to evaluate the severity of coronary artery stenosis. Compared to non-CHD control group, CHD group had higher levels of fasting blood glucose ((6.71 ± 6.72) mmol/L vs. (4.98 ± 1.55) mmol/L, P blood groups were associated with CHD risk in the Chinese Zhuang population. Compared with group O, the group B individuals had a higher risk of CHD (OR = 2.33, 95% CI 1.88-2.90, P group O subjects in the CHD group, and MACE at 1-year follow-up was similar between ABO blood groups of CHD individuals. ABO blood groups are associated with CHD risk in the Chinese Zhuang population.

Ruhrgas AG. Business report 2000; Ruhrgas AG. Geschaeftsbericht 2000

Energy Technology Data Exchange (ETDEWEB)

NONE

2001-07-01

A detailed account of the situation of the international gas market provides the basis of the status report of Ruhrgas AG and the group of affiliated companies. Emphasis is placed on gas procurement aspects, sales volumes, the construction and operation of natural gas distribution systems, and on development, utilization and application aspects. The activities and situation of major Ruhrgas AG holding companies are described, and the annual financial statements are documented. (orig.) [German] Ausgehend von einer eingehenden Beschreibung des internationalen Gasmarktes wird ein Lagebericht des Konzerns sowie der Ruhrgas AG gegeben. Dabei wird insbesondere auf Fragen der Gasbeschaffung, des Gasabsatzes, des Baus und Betriebs von Erdgasverteilungsnetzen, sowie der Entwicklung und der Anwendungstechnik eingegangen. Ferner wird ueber den Geschaeftsverlauf wesentlicher Ruhrgas-Beteiligungsgesellschaften berichtet. Abschliessend wird der Jahresabschluss dokumentiert. (orig.)

A Study of Thumb Print Patterns and ABO Blood Group Distribution ...

African Journals Online (AJOL)

The aim of this study was to establish a possible relationship between thumb print pattern and ABO blood group distribution. The study involves two hundred and nine-two volunteers comprising 159 female and 133 male. The blood group and finger print patterns were determined using standard techniques. Results ...

Correlation of Lip Prints with Gender, ABO Blood Groups and Intercommissural Distance.

Science.gov (United States)

Verma, Pradhuman; Sachdeva, Suresh K; Verma, Kanika Gupta; Saharan, Swati; Sachdeva, Kompal

2013-07-01

In forensics, the mouth allows for a myriad of possibilities. Lip print on glass or cigarette butt found at crime scenes may link to a suspect. Hence, a dentist has to actively play his role in personal identification and criminal investigation. To investigate the uniqueness of the lip print patterns in relation to gender, ABO blood groups and intercommissural distance (ICD). The study was conducted on 208 randomly selected students. The lip print of each subject was obtained and pattern was analyzed according to Tsuchihashi classification. The blood group and ICD at rest position was recorded for each. The study showed that Type II (branched) lip pattern to be most prominent. The B+ blood group was the most common in both genders and the ICD is higher in males. The lip print pattern does not show any correlation between ABO blood groups, gender, and ICD. The lip print pattern shows no correlation with gender, ABO blood groups, or ICD. Further studies with larger samples are required to obtain statistical significance of this correlation.

Blood donor recruitment strategies and their impact on blood safety in Egypt.

Science.gov (United States)

Hussein, Eiman

2014-02-01

Because of the high incidence of HCV, blood safety presents a serious challenge in Egypt. Given the constrained economy which limits the implementation of nucleic acid amplification technology, proper recruitment of blood donors becomes of paramount importance. To evaluate the effectiveness of blood donor recruitment strategies, the seroprevalence of positive infectious markers among blood donors was studied. Donors' records covering the period from 2006-2012 were reviewed. Blood donations were screened for HCV antibodies, HBs antigen (HBsAg), HIV-1 and 2 and syphilis antibodies. Of 308,762 donors, 63.4% were voluntary donors (VD). VD of 2011-2012 were significantly younger than family replacement donors (RD) .The overall prevalences of HCV antibodies, HBsAg, HIV and syphilis antibodies were 4.3%, 1.22%, 0.07%, and 0.13%, respectively. All tested markers (except HIV) were significantly higher among RD, when compared to VD (P<0.0001). A consistent steady trend for decrease in HCV seropositivity was observed in RD and VD from 8.9% and 4.2% to 3.8% and 1.5%, respectively. A trend for decrease in HBsAg was demonstrated in VD from 1.2% to 0.53%. The decreasing trends in HCV antibody and HBs antigen is promising and may reflect the improved donor selection criteria. Copyright © 2013 Elsevier Ltd. All rights reserved.

File list: InP.Bld.20.AllAg.Polymorphonuclear_leukocytes [Chip-atlas[Archive

Lifescience Database Archive (English)

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Lifescience Database Archive (English)

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Lifescience Database Archive (English)

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Lifescience Database Archive (English)

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File list: ALL.Bld.10.AllAg.Polymorphonuclear_leukocytes [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: ALL.Bld.05.AllAg.Polymorphonuclear_leukocytes [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: ALL.Bld.50.AllAg.Polymorphonuclear_leukocytes [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: ALL.Bld.20.AllAg.Polymorphonuclear_leukocytes [Chip-atlas[Archive

Lifescience Database Archive (English)

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Pattern of distribution of blood group antigens on human epidermal cells during maturation

DEFF Research Database (Denmark)

Dabelsteen, Erik; Buschard, Karsten; Hakomori, Sen-Itiroh

1984-01-01

The distribution in human epidermis of A, B, and H blood group antigens and of a precursor carbohydrate chain, N-acetyl-lactosamine, was examined using immunofluorescence staining techniques. The material included tissue from 10 blood group A, 4 blood group B, and 9 blood group O persons. Murine...... on the lower spinous cells whereas H antigen was seen predominantly on upper spinous cells or on the granular cells. Epithelia from blood group A or B persons demonstrated A or B antigens, respectively, but only if the tissue sections were trypsinized before staining. In such cases A or B antigens were found...... monoclonal antibodies were used to identify H antigen (type 2 chain) and N-acetyl-lactosamine. Human antisera were used to identify A and B antigens. In all groups N-acetyl-lactosamine and H antigen were found on the cell membranes of the spinous cell layer. N-acetyl-lactosamine was present mainly...

Is there an association of ABO blood groups and Rhesus factor with alopecia areata?

Science.gov (United States)

İslamoğlu, Zeynep Gizem Kaya; Unal, Mehmet

2018-01-15

Alopecia areata (AA) is an autoimmune disease characterized by noncicatricial hair loss localized on hair, beard, mustache, eyebrow, eyelash, and sometimes on the body. Although etiopathogenesis is not fully understood, many studies show remarkable associations between various diseases and ABO blood groups. However, there is no study with AA and blood groups. Healthy people and patients with AA were included in this study. A total of 155 patients with AA and 299 healthy controls were included in the study. ABO blood group distribution in patients with AA and distribution of healthy donors were similar. However, Rhesus factor positivity in the AA group was significantly higher than in healthy donors. The relationship between stress and AA was high as known. But, ABO blood group and Rhesus factor were not in a significant connection with stress. We conclude that there was no association between ABO blood group and AA, but the observed distribution of Rhesus blood group differed slightly but significantly from that of the healthy population. The result of the study shows a small but statistically significant difference in the Rh blood group between patients with AA and the healthy population blood groups. This result is important because it suggests that genetic factors may influence the development of AA. The role of blood groups in the development of AA remains to be determined. We believe that the studies which will be carried out in other centers with wider series will be more valuable to support this hypothesis. © 2018 Wiley Periodicals, Inc.

Blood grouping based on PCR methods and agarose gel electrophoresis.

Science.gov (United States)

Sell, Ana Maria; Visentainer, Jeane Eliete Laguila

2015-01-01

The study of erythrocyte antigens continues to be an intense field of research, particularly after the development of molecular testing methods. More than 300 specificities have been described by the International Society for Blood Transfusion as belonging to 33 blood group systems. The polymerase chain reaction (PCR) is a central tool for red blood cells (RBC) genotyping. PCR and agarose gel electrophoresis are low cost, easy, and versatile in vitro methods for amplifying defined target DNA (RBC polymorphic region). Multiplex-PCR, AS-PCR (Specific Allele Polymerase Chain Reaction), and RFLP-PCR (Restriction Fragment Length Polymorphism-Polymerase Chain Reaction) techniques are usually to identify RBC polymorphisms. Furthermore, it is an easy methodology to implement. This chapter describes the PCR methodology and agarose gel electrophoresis to identify the polymorphisms of the Kell, Duffy, Kidd, and MNS blood group systems.

An international investigation into O red blood cell unit administration in hospitals: the GRoup O Utilization Patterns (GROUP) study.

Science.gov (United States)

Zeller, Michelle P; Barty, Rebecca; Aandahl, Astrid; Apelseth, Torunn O; Callum, Jeannie; Dunbar, Nancy M; Elahie, Allahna; Garritsen, Henk; Hancock, Helen; Kutner, José Mauro; Manukian, Belinda; Mizuta, Shuichi; Okuda, Makoto; Pagano, Monica B; Pogłód, Ryszard; Rushford, Kylie; Selleng, Kathleen; Sørensen, Claess Henning; Sprogøe, Ulrik; Staves, Julie; Weiland, Thorsten; Wendel, Silvano; Wood, Erica M; van de Watering, Leo; van Wordragen-Vlaswinkel, Maria; Ziman, Alyssa; Jan Zwaginga, Jaap; Murphy, Michael F; Heddle, Nancy M; Yazer, Mark H

2017-10-01

Transfusion of group O blood to non-O recipients, or transfusion of D- blood to D+ recipients, can result in shortages of group O or D- blood, respectively. This study investigated RBC utilization patterns at hospitals around the world and explored the context and policies that guide ABO blood group and D type selection practices. This was a retrospective study on transfusion data from the 2013 calendar year. This study included a survey component that asked about hospital RBC selection and transfusion practices and a data collection component where participants submitted information on RBC unit disposition including blood group and D type of unit and recipient. Units administered to recipients of unknown ABO or D group were excluded. Thirty-eight hospitals in 11 countries responded to the survey, 30 of which provided specific RBC unit disposition data. Overall, 11.1% (21,235/191,397) of group O units were transfused to non-O recipients; 22.6% (8777/38,911) of group O D- RBC units were transfused to O D+ recipients, and 43.2% (16,800/38,911) of group O D- RBC units were transfused to recipients that were not group O D-. Disposition of units and hospital transfusion policy varied within and across hospitals of different sizes, with transfusion of group O D- units to non-group O D- patients ranging from 0% to 33%. A significant proportion of group O and D- RBC units were transfused to compatible, nonidentical recipients, although the frequency of this practice varied across sites. © 2017 AABB.

File list: Unc.Bld.10.AllAg.Carcinoma,_Squamous_Cell [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: Unc.Bld.05.AllAg.Carcinoma,_Squamous_Cell [Chip-atlas[Archive

Lifescience Database Archive (English)

Full Text Available Unc.Bld.05.AllAg.Carcinoma,_Squamous_Cell mm9 Unclassified Blood Carcinoma, Squamou...s Cell http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Unc.Bld.05.AllAg.Carcinoma,_Squamous_Cell.bed ...

21 CFR 864.9160 - Blood group substances of nonhuman origin for in vitro diagnostic use.

Science.gov (United States)

2010-04-01

... 21 Food and Drugs 8 2010-04-01 2010-04-01 false Blood group substances of nonhuman origin for in... Used In Establishments That Manufacture Blood and Blood Products § 864.9160 Blood group substances of nonhuman origin for in vitro diagnostic use. (a) Identification. Blood group substances of nonhuman origin...

File list: ALL.Bld.10.AllAg.Neutrophils [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: ALL.Bld.20.AllAg.Plasmacytoma [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: ALL.Bld.05.AllAg.Plasmacytoma [Chip-atlas[Archive

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The role of blood groups in the development of diabetes mellitus after gestational diabetes mellitus.

Science.gov (United States)

Karagoz, Hatice; Erden, Abdulsamet; Ozer, Ozerhan; Esmeray, Kubra; Cetinkaya, Ali; Avci, Deniz; Karahan, Samet; Basak, Mustafa; Bulut, Kadir; Mutlu, Hasan; Simsek, Yasin

2015-01-01

Gestational diabetes mellitus (GDM) is a common condition that is defined as glucose intolerance of varying degree with onset or first recognition during pregnancy and it affects approximately 5% of all pregnancies all over the world. GDM is not only associated with adverse pregnancy outcomes such as macrosomia, dystocia, birth trauma, and metabolic complications in newborns, but it is also a strong predictor of transitioning to overt DM postpartum. The association of ABO blood groups with DM has been observed before in several epidemiological and genetic studies and resulted with inconsistent findings, but still there are not enough studies in the literature about the association of ABO blood groups with GDM. In this study, we aimed at investigating any possible relationship between the ABO blood group system and GDM and also the transitioning of GDM to overt DM postpartum, in Turkey. A total of 233 patients with GDM from Kayseri Training and Research Hospital between 2002 and 2012 were included in the study. The cases that have serologically determined blood groups and Rh factor in the hospital records were included in the study, and the patients with unknown blood groups were excluded. Patients were classified according to blood groups (A, B, AB, and O) and Rh status (+/-). GDM was diagnosed based on the glucose cut-points of the International Association of the Diabetes and Pregnancy Society Groups. The distributions of blood groups of the patients with GDM were compared with the distribution of blood groups of 17,314 healthy donors who were admitted to the Turkish Red Crescent Blood Service in our city in 2012. There was a significant difference between the patients with GDM and control group in terms of distribution of ABO blood groups. Blood group AB was found to be higher in the patients with GDM compared to the control group (P=0.029). When the patients were compared according to the development of DM, the ratio of group O was higher than others, while the

Sn-In-Ag phase equilibria and Sn-In-(Ag)/Ag interfacial reactions

International Nuclear Information System (INIS)

Chen Sinnwen; Lee Wanyu; Hsu Chiaming; Yang Chingfeng; Hsu Hsinyun; Wu Hsinjay

2011-01-01

Research highlights: → Thermodynamic models of Sn-In and Sn-In-Ag are developed using the CALPHAD approach. → Reaction layer in the Sn-In-(Ag)/Ag couples at 100 deg. C is thinner than those at 25 deg. C, 50 deg. C, and 75 deg. C. → Reactions in the Sn-20 wt%In-2.8 wt%Ag/Ag couples are faster than those in the Sn-20 wt%In/Ag couples. - Abstract: Experimental verifications of the Sn-In and Sn-In-Ag phase equilibria have been conducted. The experimental measurements of phase equilibria and thermodynamic properties are used for thermodynamic modeling by the CALPHAD approach. The calculated results are in good agreement with experimental results. Interfacial reactions in the Sn-In-(Ag)/Ag couples have been examined. Both Ag 2 In and AgIn 2 phases are formed in the Sn-51.0 wt%In/Ag couples reacted at 100 and 150 deg. C, and only the Ag 2 In phase is formed when reacted at 25, 50 and 75 deg. C. Due to the different growth rates of different reaction phases, the reaction layer at 100 deg. C is thinner than those at 25 deg. C, 50 deg. C, and 75 deg. C. In the Sn-20.0 wt%In/Ag couples, the ζ phase is formed at 250 deg. C and ζ/AgIn 2 phases are formed at 125 deg. C. Compared with the Sn-20 wt%In/Ag couples, faster interfacial reactions are observed in the Sn-20.0 wt%In-2.8 wt%Ag/Ag couples, and minor Ag addition to Sn-20 wt%In solder increases the growth rates of the reaction phases.

Report of the third international workshop on molecular blood group genotyping

NARCIS (Netherlands)

Daniels, G.; van der Schoot, C. E.; Gassner, C.; Olsson, M. L.

2009-01-01

The Third International Society of Blood Transfusion Workshop on Molecular Blood Group Genotyping was held in 2008, with a feedback meeting at the International Society of Blood Transfusion Congress in Macao SAR, China. Thirty-three laboratories participated, eight less than in 2006. Six samples

Detection of hepatitis B virus infection in HBsAg-negative patients by monoclonal antibodies against HBsAg

Energy Technology Data Exchange (ETDEWEB)

Fujita, Y K

1986-11-01

The technique of producing antibody secreting hybridomas has made available high-affinity antibodies of predefined specificity for use as diagnostic reagents. Recently, high-affinity monoclonal antibodies to hepatitis B surface antigens (HBsAg) were produced and characterized. Immunoassay was developed using these antibodies for the detection of HBsAg-associated determinants. The present study indicated the significance of the enhanced detection by monoclonal radioimmunoassay (M-RIA) of HBsAg in sera of patients with hepatitis B virus infection. The M-RIA detected HBsAg in sera of hemodialysis patients and blood donor defined as HBsAg-negative by polyclonal RIA (2.2 %, 0.14 %, respectively). Furthermore, individuals with chronic liver diseases were reactive only in the M-RIA (chronic hepatitis 4.8 %, liver cirrhosis 10.0 %, hepatocellular carcinoma 22.2 %). It is noteworthy that some of these patients were diagnosesed as so-called non-A non-B hepatitis because of no serological markers of hepatitis B virus infection such as HBsAb and HBcAb. The enhanced performance of the monoclonal RIA compared to conventional RIA was due to the increased sensitivity of the assay (55 pg vs 230 pg/ml). In immunohistochemical study, one of the monoclonal antibody named 5C3 was applied for detection of HBsAg in the formalin-fixed paraffin-embedded liver. HBsAg was detected in 6 out of 41 HBsAg-seronegative liver specimen. Thus, the studies showed the importance of the clinical application of monoclonal antibodies such as immunoassay and immunohistochemical study in the diagnosis of hepatitis B virus infection.

Detection of hepatitis B virus infection in HBsAg-negative patients by monoclonal antibodies against HBsAg

International Nuclear Information System (INIS)

Fujita, Y.K.

1986-01-01

The technique of producing antibody secreting hybridomas has made available high-affinity antibodies of predefined specificity for use as diagnostic reagents. Recently, high-affinity monoclonal antibodies to hepatitis B surface antigens (HBsAg) were produced and characterized. Immunoassay was developed using these antibodies for the detection of HBsAg-associated determinants. The present study indicated the significance of the enhanced detection by monoclonal radioimmunoassay (M-RIA) of HBsAg in sera of patients with hepatitis B virus infection. The M-RIA detected HBsAg in sera of hemodialysis patients and blood donor defined as HBsAg-negative by polyclonal RIA (2.2 %, 0.14 %, respectively). Furthermore, individuals with chronic liver diseases were reactive only in the M-RIA (chronic hepatitis 4.8 %, liver cirrhosis 10.0 %, hepatocellular carcinoma 22.2 %). It is noteworthy that some of these patients were diagnosesed as so-called non-A non-B hepatitis because of no serological markers of hepatitis B virus infection such as HBsAb and HBcAb. The enhanced performance of the monoclonal RIA compared to conventional RIA was due to the increased sensitivity of the assay (55 pg vs 230 pg/ml). In immunohistochemical study, one of the monoclonal antibody named 5C3 was applied for detection of HBsAg in the formalin-fixed paraffin-embedded liver. HBsAg was detected in 6 out of 41 HBsAg-seronegative liver specimen. Thus, the studies showed the importance of the clinical application of monoclonal antibodies such as immunoassay and immunohistochemical study in the diagnosis of hepatitis B virus infection. (author)

File list: InP.Bld.50.AllAg.PBMC [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: InP.Bld.05.AllAg.PBMC [Chip-atlas[Archive

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File list: InP.Bld.20.AllAg.PBMC [Chip-atlas[Archive

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Lifescience Database Archive (English)

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File list: Oth.Bld.50.AllAg.Kidney_Cortex [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: Oth.Bld.10.AllAg.Kidney_Cortex [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: DNS.Bld.05.AllAg.Carcinoma,_Squamous_Cell [Chip-atlas[Archive

Lifescience Database Archive (English)

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Lifescience Database Archive (English)

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Lifescience Database Archive (English)

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Prevalance of ABO and Rhesus Blood Groups in Blood Donors: A Study from a Tertiary Care Teaching Hospital of Kumaon Region of Uttarakhand.

Science.gov (United States)

Garg, Parul; Upadhyay, Saloni; Chufal, Sanjay Singh; Hasan, Yuman; Tayal, Ishwer

2014-12-01

Backround: ABO and Rhesus (Rh) blood group antigens are hereditary characters and are useful in population genetic studies, in resolving medico-legal issues and more importantly for the immunologic safety of blood during transfusion. This study is aimed to determine the distribution pattern of the ABO and Rh blood groups among blood donors in Kumaon region of Uttarakhand and compare it with other data from similar studies within the India and all over the world. It is a retrospective study carried out at blood bank of Shushila Tewari Hospital of Government Medical College, Haldwani from January 2012 to December 2013. The study was conducted on 12,701 blood donors. ABO and Rh typing was done using slide agglutination method with antisera ABO and Rh (Tulip diagnostics ltd). Doubtful cases were confirmed by tube agglutination method and reverse grouping using known pooled A and B cells. The age group and sex of donors, frequency of ABO and Rh blood groups were reported in simple percentages. The predominant donors belonged to age group between 18-35years (84.28%). Male donors were more than female donors, ratio being 352:1. Replacement donors (99.71%) were much more than voluntary donors (0.91%). The most common blood group was B (32.07%) and least common being AB (10.53%). Blood group 'O' and 'A' had same frequency. The prevalence of Rhesus positive and negative distribution in the studied population was 94.49% and 5.51% respectively. Blood group frequency with respect to ABO and Rhesus positive was found to be shown by formula B> O>A >AB. The frequency for ABO and Rhesus negative was given by the formula B>A>O>AB. Knowledge of frequencies of the different blood groups is very important for blood banks and transfusion service policies that could contribute significantly to the National Health System.

ABO Blood Group Genotyping by Real-time PCR in Kazakh Population

Directory of Open Access Journals (Sweden)

Pavel Tarlykov

2014-12-01

Full Text Available Introduction. ABO blood group genotyping is a new technology in hematology that helps prevent adverse transfusion reactions in patients. Identification of antigens on the surface of red blood cells is based on serology; however, genotyping employs a different strategy and is aimed directly at genes that determine the surface proteins. ABO blood group genotyping by real-time PCR has several crucial advantages over other PCR-based techniques, such as high rapidity and reliability of analysis. The purpose of this study was to examine nucleotide substitutions differences by blood types using a PCR-based method on Kazakh blood donors.Methods. The study was approved by the Ethics Committee of the National Center for Biotechnology. Venous blood samples from 369 healthy Kazakh blood donors, whose blood types had been determined by serological methods, were collected after obtaining informed consent. The phenotypes of the samples included blood group A (n = 99, B (n = 93, O (n = 132, and AB (n = 45. Genomic DNA was extracted using a salting-out method. PCR products of ABO gene were sequenced on an ABI 3730xl DNA analyzer (Applied Biosystems. The resulting nucleotide sequences were compared and aligned against reference sequence NM_020469.2. Real-time PCR analysis was performed on CFX96 Touch™ Real-Time PCR Detection System (BioRad.Results. Direct sequencing of ABO gene in 369 samples revealed that the vast majority of nucleotide substitutions that change the ABO phenotype were limited to exons 6 and 7 of the ABO gene at positions 261, 467, 657, 796, 803, 930 and 1,060. However, genotyping of only three of them (261, 796 and 803 resulted in identification of major ABO genotypes in the Kazakh population. As a result, TaqMan probe based real-time PCR assay for the specific detection of genotypes 261, 796 and 803 was developed. The assay did not take into account several other mutations that may affect the determination of blood group, because they have a

File list: Oth.Bld.05.AllAg.Carcinoma,_Squamous_Cell [Chip-atlas[Archive

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File list: Oth.Bld.20.AllAg.Carcinoma,_Squamous_Cell [Chip-atlas[Archive

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Frequency of ABO blood groups and RhD factor in the female population of District Peshawar.

Science.gov (United States)

Nazli, Rubina; Haider, Jamila; Khan, Mohammad Akmal; Akhtar, Tasleem; Aslam, Hina

2015-01-01

To determine the frequency of ABO blood group and Rhesus (Rh) D antigen in the females of "District" Peshawar, Khyber Pakhtunkhwa Province, Pakistan. This cross-sectional study was conducted on 429 women having pregnancy induced hypertension, admitted in the three teaching hospitals of Peshawar, over a period of one year. Blood sample was collected from each subject after taking informed consent. The antigen antibody agglutination slide test for "blood grouping (ABO)" and RhD factors was done by using IgM and IgG monoclonal reagents. The antisera used were from Biolaboratory, USA. Data was analyzed for percentage calculation. The blood group distribution was 134 (31.2%), 43 (10.1%), 116 (27%), 136 (31.7%) for blood groups A, AB, O and B, respectively. Subjects having blood group B was slightly more dominant, followed by A and O, while blood group AB was rare in these females. Blood group A Rh negative is more in female 12 (37.5%) followed by group O 10 (31.3%), group B 09 (28.1%) and group AB 01 (3.1%). Frequency of "Rh-positive blood group" is B, A, O and AB, whereas the frequency of the most common Rh-negative blood group are A, O, B and AB respectively. The determination of the frequency of blood groups in the region would not only help in blood transfusion services, but also reduce the risk of erythroblastosis foetalis in the neonates.

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File list: InP.Bld.50.AllAg.Kidney_Cortex [Chip-atlas[Archive

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Full Text Available InP.Bld.50.AllAg.Kidney_Cortex hg19 Input control Blood Kidney Cortex SRX1318623,SR...X1318622 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/InP.Bld.50.AllAg.Kidney_Cortex.bed ...

The role of blood groups in the development of diabetes mellitus after gestational diabetes mellitus

Directory of Open Access Journals (Sweden)

Karagoz H

2015-10-01

Full Text Available Hatice Karagoz,1 Abdulsamet Erden,2 Ozerhan Ozer,2 Kubra Esmeray,2 Ali Cetinkaya,2 Deniz Avci,2 Samet Karahan,2 Mustafa Basak,2 Kadir Bulut,2 Hasan Mutlu,3 Yasin Simsek4 1Internal Medicine Department, Acibadem Kayseri Hospital, 2Internal Medicine Department, 3Medical Oncology Department, 4Endocrinology Department, Kayseri Training and Research Hospital, Kayseri, Turkey Introduction: Gestational diabetes mellitus (GDM is a common condition that is defined as glucose intolerance of varying degree with onset or first recognition during pregnancy and it affects approximately 5% of all pregnancies all over the world. GDM is not only associated with adverse pregnancy outcomes such as macrosomia, dystocia, birth trauma, and metabolic complications in newborns, but it is also a strong predictor of transitioning to overt DM postpartum. The association of ABO blood groups with DM has been observed before in several epidemiological and genetic studies and resulted with inconsistent findings, but still there are not enough studies in the literature about the association of ABO blood groups with GDM. In this study, we aimed at investigating any possible relationship between the ABO blood group system and GDM and also the transitioning of GDM to overt DM postpartum, in Turkey.Patients and methods: A total of 233 patients with GDM from Kayseri Training and Research Hospital between 2002 and 2012 were included in the study. The cases that have serologically determined blood groups and Rh factor in the hospital records were included in the study, and the patients with unknown blood groups were excluded. Patients were classified according to blood groups (A, B, AB, and O and Rh status (+/-. GDM was diagnosed based on the glucose cut-points of the International Association of the Diabetes and Pregnancy Society Groups. The distributions of blood groups of the patients with GDM were compared with the distribution of blood groups of 17,314 healthy donors who were

ABO Blood Group and Endometrial Carcinoma: A Preliminary Single-Center Experience from Saudi Arabia.

Science.gov (United States)

Abu-Zaid, Ahmed; Alsabban, Mohannad; Abuzaid, Mohammed; Alomar, Osama; Al-Badawi, Ismail A; Salem, Hany

2017-12-18

Inherited ABO blood groups have been shown to play possible contributions in the pathogenesis of various gynecologic and non-gynecologic carcinomas. With regard to gynecologic carcinomas, there is a confined number of studies that explored the relationship between ABO blood group and endometrial carcinoma (EC) in the PubMed-indexed literature. To the best of our knowledge, no such study has ever been conducted in Saudi Arabia. Our study has two objectives: (I) to determine the prevalence of ABO blood groups among Saudi patients with EC, and (II) to explore the relationship between ABO blood group and several clinico-pathological prognostic parameters (namely: menopausal status [age], body mass index [BMI], tumor grade, FIGO [Fédération Internationale de Gynécologie et d'Obstétrique] stage and recurrence) in Saudi patients with EC. A retrospective cross-sectional study from 01-January-2010 to 31-July-2014 was conducted at King Faisal Specialist Hospital & Research Centre, Riyadh, Saudi Arabia - a referral tertiary healthcare institute. One-hundred and fourteen patients (n=114) were included in the study. Clinico-pathological data were extrapolated from medical records, and their association with ABO blood groups were evaluated. Categorical data were presented as number of cases (n) and percentages (%). Two-tailed Chi-square test was used for univariate analysis. For all purposes, p values 28 kg/m 2 (84.2%), diagnosed with early FIGO stage I-II (76.3%) and developed no recurrence (86.8%). The frequencies of ABO blood group types A, B, AB, and O were 28.1%, 12.3%, 3.5% and 56.1%, respectively. When ABO blood groups were analyzed as four different types (A, B, AB and O), O-type was the most common ABO blood group in pre- and post-menopausal EC patients (43.8% and 58.2%, respectively; p=0.14). There were no statistically significant correlations between ABO blood groups and all the examined clinico-pathological factors. Moreover, when ABO blood groups were

Routine preoperative blood group and save testing is unnecessary for elective laparoscopic cholecystectomy

International Nuclear Information System (INIS)

Tandon, A.; Shahzad, K.; Nunes, Q.; Shrotri, M.; Lunevicius, R.

2017-01-01

Background: Although the practice of preoperative testing of ABO group and Rh (D) type for elective cholecystectomy has deep historical roots, it is not evidence-based. We aimed to assess the preoperative blood group and save testing practice for a cohort of patients subjected to elective laparoscopic cholecystectomy for symptomatic cholecystolithiasis between January 2010 and October 2014. Methods: National Health Service (NHS) hospital based, surgical procedure-specific, retrospective study was conducted. A final group consisted of 2,079 adult patients. We estimated the incidence of perioperative blood transfusion attributable to laparoscopic cholecystectomy. The results of eight other studies are presented. Results: A preoperative blood group and save test was performed in 907 patients (43.6%), whereas cross-matching was documented in 28 patients (3.1%). None required an intraoperative blood transfusion. Twelve patients (0.58%) underwent blood transfusion postoperatively following laparoscopic cholecystectomy, of which ten were transfused due to severe intra-abdominal bleeding (0.48%). There were no deaths. Conclusions: The likelihood of blood transfusion attributable to elective laparoscopic cholecystectomy is 1:200. A routine preoperative blood group and save testing is unnecessary. It neither alters the management of severe hypovolemia, secondary to perioperative bleeding, nor does it lead to better outcomes. (author)

ABO/Rh Blood Groups and Risk of HIV Infection and Hepatitis B Among Blood Donors of Abidjan, Côte D'ivoire.

Science.gov (United States)

Siransy, Liliane Kouabla; Nanga, Zizendorf Yves; Zaba, Flore Sandrine; Tufa, Nyasenu Yawo; Dasse, Sery Romuald

2015-09-01

Hepatitis B and HIV infection are two viral infections that represent real global public health problems. In order to improve their management, some hypotheses suggest that genetic predispositions like ABO and Rh blood groups would influence the occurrence of these diseases. The aim of the present study was to examine the association between ABO and Rhesus blood groups and the susceptibility to HIV infection and hepatitis B. We conducted a cross-sectional and analytical study in a population of voluntary blood donors in the Blood Transfusion Center of Abidjan. All blood donors who donated blood between January and June 2014 were tested for HBs antigen and anti-HIV antibodies (ELISA tests) and were ABO typed. The total number of examined blood donors during this period was 45,538, of which 0.32% and 8.07% were respectively infected with HIV and hepatitis B virus. O-group donors were more infected than non-O donors. Our study is an outline concerning the search for a link between ABO and Rh blood groups and hepatitis B and HIV infection. Further studies should be conducted to confirm the interaction between these two infections and contribute to the search for new therapeutic approaches.

Distribution of ABO blood groups and rhesus factor in a Large Scale ...

African Journals Online (AJOL)

Background: The demand for blood and blood products has increased due to advances in medical science, population growth and increased life expectancy. This has increased the need for various blood groups in Khuzestan province because of the higher incidence of thalassemia and other blood transfusion dependent ...

File list: ALL.Bld.05.AllAg.CCRF-CEM [Chip-atlas[Archive

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File list: ALL.Bld.10.AllAg.CCRF-CEM [Chip-atlas[Archive

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A retrospective study: ABO and Rh phenotype blood group distribution among blood donors in H.N.B. Base Hospital, Srinagar, Uttarakhand, India

Directory of Open Access Journals (Sweden)

Satish Kumar

2018-01-01

Full Text Available Objective: To determine the prevalence of ABO and Rh blood groups based on the antigenic presence on the surface of red blood cells with respect to gender and calculate allele frequency of the blood groups. Globally, approximately 700 type red cell antigens have been identified till now. ABO and Rh blood groups play an important role in the process of blood transfusion, resolving certain medicolegal issues, parental testing, and various genetic studies. Methods: This study was conducted in H.N.B. Base Hospital, Srinagar, Uttarakhand, from January 2012 to December 2016. Relevant data of blood donors were collected from blood bank department of the hospital. Blood grouping was conducted using commercially available standard monoclonal antisera applying test tube and column agglutination techniques. Results: Out of 9883 individuals, 9333 (92.4% were males and 750 (7.6% were female individuals. The most common blood group found was B (31.68% and least common being AB (11.70%. The prevalence of Rhesus positive and negative distribution in the present studied population was found as 93.51% and 6.49%, respectively. Overall, male ABO group pattern found was shown by formula B > A > O > AB which was similar among Rh-positive male individuals while Rh-negative males' pattern was found as A > B = O > AB. In females, ABO group pattern was B > O > A > AB which was similar to Rh-positive female pattern while differs in Rh negative. The estimated allele frequencies were found as 0.2403, 0.2475, and 0.5122 for IA (p, IB (q, and IO (r, respectively. Conclusion: The most common blood group found among the Gharwali donors was B positive while the least common was AB negative, which plays an important contribution for making government policies to develop National Health Program.

File list: Oth.Bld.50.AllAg.Lymphoma,_B-Cell [Chip-atlas[Archive

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File list: InP.Bld.05.AllAg.CCRF-CEM [Chip-atlas[Archive

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Full Text Available InP.Bld.10.AllAg.CCRF-CEM hg19 Input control Blood CCRF-CEM SRX728791,SRX107305,SRX...107290 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/InP.Bld.10.AllAg.CCRF-CEM.bed ...

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Full Text Available InP.Bld.50.AllAg.CCRF-CEM hg19 Input control Blood CCRF-CEM SRX107305,SRX107290,SRX...728791 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/InP.Bld.50.AllAg.CCRF-CEM.bed ...

Histopathological Study of Central Nervous System Lesions: Emphasizing Association of Neoplasms with ABO Blood Groups.

Science.gov (United States)

Kumarguru, B N; Pallavi, P; Sunila; Manjunath, G V; Vasan, T S; Rajalakshmi, B R

2017-04-01

The Central Nervous System (CNS) lesions show considerable geographic and racial variations with respect to the incidence and the pattern of distribution of lesions. The ABO blood status is a readily accessible factor in genetic constitution of the patients. It has been shown to be associated with many diseases. But the influence of blood group status on the pathogenesis of brain tumours is still unclear. To study various histopathological patterns of CNS lesions and to evaluate the association of CNS tumours with the distribution of ABO blood groups in documented cases. In the present study, 147 cases were analyzed. It was an analytical type of study, done at JSS Medical College, Mysore, over a period of 2 years and 8 months from January 2009 to August 2011. Histopathology slides were routinely stained by Haematoxylin and Eosin (H&E) stain. Special stains were performed in selected cases. Blood group of the patients and the control group were documented. Blood group distribution pattern was assessed in relation to histopathological diagnosis of various CNS tumours. Histopathological diagnosis of 147 cases included neoplastic lesions (84.35%) and non-neoplastic lesions (15.64%). Neoplastic lesions (84.35%) constituted the majority, which included neuroepithelial tumours (29.25%) as predominant pattern. Non-neoplastic lesions constituted only 15.64%, which included inflammatory lesion (8.16%) as the predominant pattern. ABO blood group data was available in 92 cases (84.4%) of neoplastic lesions, which included 71 cases (48.29%) of primary CNS neoplasms categorized according to WHO grades. The control group constituted 21,067 healthy voluntary donors. Blood group O was the most frequent blood group in neoplastic lesions (40.21%) and primary CNS neoplasms categorized according to WHO grades (45.07%). The association between the CNS neoplasms and ABO blood groups was not statistically significant (p = 0.055). But a definite change in the pattern of distribution of ABO

Association of ABO blood groups with diabetes mellitus

African Journals Online (AJOL)

2010-02-08

Feb 8, 2010 ... We studied the association of ABO blood groups with DM type 2. Patients and methodology: It was ... dent diabetes mellitus (NIDDM or type 2), characterized by elevated insulin levels ... diabetic ketoacidosis. Sample size was ...

Distribution of ABO and Rh-D blood groups in the Benin area of Niger-Delta: Implication for regional blood transfusion

Directory of Open Access Journals (Sweden)

Enosolease Mathew

2008-01-01

Full Text Available ABO and Rhesus (Rh blood group antigens are hereditary characters and are useful in population genetic studies, in resolving medico-legal issues and more importantly in compatibility test in blood transfusion practice. Data on frequency distribution of ABO and Rh-D in Niger-Delta region of Nigeria are not available; hence we made an attempt to retrospectively analyze the records on the blood donors, transfusion recipients and patients attending antenatal care or some other medical interventions. Over a twenty-year period between 1986 and 2005, a total of 160,431 blood samples were grouped for ABO and Rh-D at the blood bank of the University of Benin Teaching Hospital, Benin City, Nigeria. Blood group distribution among these samples showed phenotypes A, B, AB and O as 23.72%, 20.09%, 2.97% and 53.22%, respectively. The Rh-D negative phenotype was found among 6.01% of the samples tested.

File list: ALL.Bld.50.AllAg.PBMC [Chip-atlas[Archive

Lifescience Database Archive (English)

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Full Text Available ALL.Bld.10.AllAg.PBMC hg19 All antigens Blood PBMC SRX151953,SRX151944,SRX151946,SR...,SRX833337,SRX833330,SRX833329,SRX833331,SRX833333,SRX833336,SRX833340,SRX833339,SRX833338 http://dbarchive.biosciencedbc.jp/kyushu-u/hg19/assembled/ALL.Bld.10.AllAg.PBMC.bed ...

The Association between ABO and Rh Blood Groups and Risk of Endometriosis in Iranian Women.

Science.gov (United States)

Malekzadeh, Farideh; Moini, Ashraf; Amirchaghmaghi, Elham; Daliri, Leila; Akhoond, Mohammad Reza; Talebi, Mehrak; Hosseini, Rihaneh

2018-06-01

Endometriosis is a common gynaecological disease that affects quality of life for women. Several studies have revealed that both environmental and genetic factors contribute to the development of endometriosis. The aim of this study was to investigate the distribution of ABO and Rh blood groups in Iranian women with endometriosis who presented to two referral infertility centers in Tehran, Iran. In this case-control study, women who referred to Royan Institute and Arash Women's Hospital for diagnostic laparoscopy between 2013 and 2014 were assessed. Based on the laparoscopy findings, we categorized the women into two groups: endometriosis and control (women without endometriosis and normal pelvis). Chi-square and logistic regression tests were used for data analysis. In this study, we assessed 433 women, of which 213 patients were assigned to the endometriosis group while the remaining 220 subjects comprised the control group. The most frequent ABO blood group was O (40.6%). The least frequent blood group was AB (4.8%). In terms of Rh blood group, Rh+ (90.1%) was more frequent than Rh- (9.9%). There was no significant correlation between ABO (P=0.091) and Rh (P=0.55) blood groups and risk of endometriosis. Also, there was no significant difference between the two groups with regards to the stage of endometriosis and distribution of ABO and Rh blood groups (P>0.05). Although the O blood group was less dominant in Iranian women with endometriosis, we observed no significant correlation between the risk of endometriosis and the ABO and Rh blood groups. Endometriosis severity was not correlated to any of these blood groups. Copyright© by Royan Institute. All rights reserved.

Tunneling-recombination luminescence between Ag0 and Ag2+ in KCl:AgCl

International Nuclear Information System (INIS)

Delbecq, C.J.; Dexter, D.L.; Yuster, P.H.

1978-01-01

Appropriate treatment of a KCl:AgCl crystal results in the trapping of electrons as silver atoms, Ag 0 , and positive holes as AgCl 4 2- , Ag 2+ , centers. Optical excitation of Ag 0 in such a crystal at T 0 and Ag 2+ pairs, similar to the Ag 0 -Cl 2 - tunneling-recombination studies we previously reported. We have shown that Ag 2+ centers are involved in the emission process by preferentially orienting the anisotropic Ag 2+ at 6 K by excitation with polarized light and observing that the afterglow is polarized. Upon warming to 50 K, where the preferentially oriented Ag 2+ can change orientation, a strong reversal in the degree of polarization occurs which finally decays to zero. The characteristics of this luminescence can be understood if we assume: (i) a tunneling-recombination mechanism in which the orientation of the electric vector of the emitted radiation depends on the position of the Ag 0 relative to the Ag 2+ and (ii) the tunneling is anisotropic and depends on the location of the Ag 0 relative to the anisotropic Ag 2+ . The latter assumption is based on the tetragonal (d-like) symmetry of the Ag 2+ complex. Good quantitative agreement between theory and experiment has been obtained on the decay kinetics, the degree of polarization, and the polarization reversal

Early Stage Blood Purification for Paraquat Poisoning: A Multicenter Retrospective Study.

Science.gov (United States)

Li, An; Li, Wenxiong; Hao, Fengtong; Wang, Haishi

2016-01-01

To evaluate the efficacy of conservative treatment vs. hemoperfusion (HP) vs. HP + continuous veno-venous hemofiltration (CVVH) for acute Paraquat (PQ) poisoning. This was a multicenter retrospective study of patients with PQ poisoning between January 2013 and June 2014. Clinical data and PQ serum levels were collected at baseline and after 24, 48, and 72 h of treatment. Seventy-five, 65, and 43 underwent conservative treatment only (conservative treatment group), conservative treatment + HP (HP group), and conservative treatment + HP + CVVH (HP + CVVH group), respectively. PQ serum levels decreased in all groups after 72 h of treatment (p treatment group. More importantly, PQ blood levels were significantly lower in the HP + CVVH group compared with the HP group at 24 h (p treatment group (p poisoning could decrease PQ blood levels, alleviate organ damage, and increase survival. © 2016 S. Karger AG, Basel.

ABO blood grouping: A potential risk factor for early childhood caries - A cross-sectional study.

Science.gov (United States)

Govindaraju, Lavanya; Jeevanandan, Ganesh; Subramanian, E M G

2018-01-01

The paradigm of etiology of early childhood caries (ECC) is shifting toward genetics. Of various inherited factors, blood group of an individual is genetically determined. The aim of the study is to determine if blood group of an individual will serve as a potential risk factor in the development of ECC. A cross-sectional study was conducted in Chennai. Blood samples were collected from a total of 500 children age for determination of the blood group. Of which 96 children (24 per blood group) were randomly selected and were included in the study. Oral screening of the selected children was done by a pediatric dentist who was blinded to the blood group of the children. Decayed, extracted, and filling index was noted. Details on other associated factors for the development of ECC such as the socioeconomic status, oral hygiene measures, diet, and feeding practices were collected by directly interviewing the parents through a questionnaire. Statistical analysis was done using Chi-square and Kruskal-Wallis test and post hoc Tukey test with significance level set at 0.05. Intergroup analysis of the associated factors showed no significant differences between the children of different blood groups. A statistically significant relation was noted between the blood groups and development of ECC (P = 0.025). Blood group is a potential risk indicator for the development of ECC.

File list: ALL.Bld.20.AllAg.Lymphoid_cells [Chip-atlas[Archive

Lifescience Database Archive (English)

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File list: ALL.Bld.50.AllAg.Lymphoid_cells [Chip-atlas[Archive

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File list: ALL.Bld.05.AllAg.Kidney_Cortex [Chip-atlas[Archive

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Hepatitis B virus infection among first-time blood donors in Italy: prevalence and correlates between serological patterns and occult infection.

Science.gov (United States)

Romanò, Luisa; Velati, Claudio; Cambiè, Giuseppe; Fomiatti, Laura; Galli, Claudio; Zanetti, Alessandro Remo

2013-04-01

A prospective, 1-year study was performed among Italian first-time, volunteer blood donors, who account for 12% of all donations, in order to assess the frequency and serological patterns of hepatitis B virus infection and the presence of occult infection. Consecutive donors (n=31,190) from 21 blood transfusion centres, from age classes not subjected to universal HBV vaccination, were tested for HBsAg and anti-HBc by commercial immunoassays. Other HBV serological markers were searched for and qualitative and quantitative assessments of HBV-DNA were made in HBsAg and/or anti-HBc-positive individuals. Of the 31,190 donors studied, 100 (0.32%) were positive for both HBsAg and anti-HBc, 2 for HBsAg (0.01%) alone, and 2,593 (8.3%) for anti-HBc. Of these last, 86.7% were also positive for anti-HBs (with or without anti-HBe), 2.9% were positive for anti-HBe without anti-HBs and 10.4% had no other HBV markers (anti-HBc alone). A general north-south increasing gradient of HBV prevalence was observed. Circulating HBV-DNA was found in 96.8% of HBsAg-positive subjects as compared to 0.55% (12/2,186) of anti-HBc-positive/HBsAg-negative subjects, with higher frequencies among anti-HBs-negative than among anti-HBs-positive ones (1.68% vs. 0.37%; p blood donors is much lower than in the past. The presence of occult infections in this group was confirmed (frequency: 1 in 2,599), supporting the hypothesis of long-term persistence of HBV infection after clearance of HBsAg. HBsAg and nucleic acid amplification testing for blood screening and vaccination against HBV are crucial in order to further reduce the risk of transfusion-transmitted HBV towards zero.

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The effect of alcoholism on secretor status of blood groups A and B ...

African Journals Online (AJOL)

One hundred and fifty were alcoholics and one hundred and fifty non-alcoholics served as controls. In the alcoholic group, seventy five were blood group B while seventy five were blood group A. Fifty out of the seventy five (67%) group A alcoholics were secretors, while 25 (33%) were non-secretors. Fourty two out of the ...

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The relationship between ABO/rhesus blood groups and type 2 ...

African Journals Online (AJOL)

Blood samples were collected from the patients after consent had been obtained. The samples were tested for ABO and Rh blood groups, using the Beth-Vincent and Simonin-Michon methods. The allele frequencies were calculated according to the Bernstein formulas. Results: The χ2 test results showed that there was no ...

Construction of Ag/AgCl nanostructures from Ag nanoparticles as high-performance visible-light photocatalysts

Energy Technology Data Exchange (ETDEWEB)

Yang, Fan; Liu, Dongzhi; Wang, Tianyang; Li, Wei [Tianjin University, School of Chemical Engineering and Technology (China); Hu, Wenping [Tianjin University, Collaborative Innovation Center of Chemical Science and Engineering (China); Zhou, Xueqin, E-mail: zhouxueqin@tju.edu.cn [Tianjin University, School of Chemical Engineering and Technology (China)

2016-11-15

A combined strategy of in situ oxidation and assembly is developed to prepare Ag/AgCl nanospheres and nanocubes from Ag nanoparticles under room temperature. It is a new facile way to fabricate Ag/AgCl with small sizes and defined morphologies. Ag/AgCl nanospheres with an average size of 80 nm were achieved without any surfactants, while Ag/AgCl nanocubes with a mean edge length of 150 nm were obtained by introduction of N-dodecyl-N,N-dimethyl-2-ammonio-acetate. The possible formation mechanism involves the self-assembly of AgCl nanoparticles, Ostwald ripening and photoreduction of Ag{sup +} into Ag{sup 0} by the room light. The as-prepared Ag/AgCl nanospheres and nanocubes exhibit excellent photocatalytic activity and stability toward degradation of organic pollutants under visible-light irradiation. It is demonstrated that Ag/AgCl nanocubes display enhanced photocatalytic activity in comparison with Ag/AgCl nanospheres due to the more efficient charge transfer. This work may pave an avenue to construct various functional materials via the assembly strategy using nanoparticles as versatile building blocks.

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