DIFFERENTIAL EXCISION OF CARCINOGENIC HYDROCARBON-DNA ADDUCTS IN MOUSE EMBRYO CELL-CULTURES

被引:24
作者
DIPPLE, A
HAYES, ME
机构
[1] Chemical Carcinogenesis Program, Frederick Cancer Research Center, Frederick
基金
美国国家卫生研究院;
关键词
D O I
10.1016/0006-291X(79)91198-7
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Primary mouse embryo cell cultures efficiently excise DNA damage introduced by the carcinogens 7-bromomethylbenz[a]anthracene and 3-methylcholanthrene but are inefficient in excision of damage introduced by 7,12-dimethylbenz[a]anthracene. Since exposure of the cells to the latter compound does not impair their capacity for excision of adducts introduced by the bromocompound, the 7,12-dimethylbenz[a]anthracene-DNA adducts are apparently intrinsically difficult to excise.
引用
收藏
页码:1225 / 1231
页数:7
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