Sample records for 菲 (phenanthrene)
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15

Splicing mutations in the CHO DHFR gene preferentially induced by (+/-)-3 alpha,4 beta-dihydroxy-1 alpha,2 alpha-epoxy-1,2,3,4- tetrahydrobenzo[c]phenanthrene.

Harvey, R G; Carothers, A M; Mucha, J; Urlaub, G; Chasin, L A; Grunberger, D

Cultured Chinese hamster ovary (CHO) cells were treated with the polycyclic aromatic hydrocarbon racemic 3 alpha,4 beta-dihydroxy-1 alpha,2 alpha-epoxy-1,2,3,4- tetrahydrobenzo[c]phenanthrene. Mutants deficient in dihydrofolate reductase activity were isolated. A carcinogen treatment at 0.1 microM y...

DRIVER (Chinese)

37

DNA strand-specific repair of (+-)-3 alpha,4 beta-dihydroxy-1 alpha,2 alpha-epoxy-1,2,3,4-tetrahydrobenzo[c]phenanthrene adducts in the hamster dihydrofolate reductase gene.

Zhang, Y J; Carothers, A M; Mucha, J; Zhen, W; Santella, R M; Grunberger, D; Bohr, V A

We evaluated the formation and removal of (+-)-3 alpha,4 beta-dihydroxy-1 alpha,2 alpha-epoxy-1,2,3,4- tetrahydrobenzo[c]phenanthrene (BcPHDE)-DNA adducts in two Chinese hamster ovary (CHO) cell lines. One line of repair-proficient cells (MK42) carries a stable 150-fold amplification of the dihydrof...

DRIVER (Chinese)

38

DNA strand-specific mutations induced by (+/-)-3 alpha,4 beta-dihydroxy- 1 alpha,2 alpha-epoxy-1,2,3,4-tetrahydrobenzo[c]phenanthrene in the dihydrofolate reductase gene.

Carothers, A M; Grunberger, D; Mucha, J

We previously showed that the preferred mutation induced by (+/-)-3 alpha,4 beta-dihydroxy-1 alpha,2 alpha-epoxy- 1,2,3,4-tetrahydrobenzo[c]phenanthrene (BcPHDE) in the dihydrofolate reductase gene in Chinese hamster ovary cells was a purine to thymine transversion on the nontranscribed strand at th...

DRIVER (Chinese)