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利用DNA损伤和修复的体外测试系统筛选化学致癌物的综述。

Review of in vitro test systems using DNA damage and repair for screening of chemical carcinogens.

作者信息

Williams G M

出版信息

J Assoc Off Anal Chem. 1979 Jul;62(4):857-63.

PMID:387709
Abstract

Chemical carcinogens are mechanistically classified as genotoxic which interact directly with DNA, and epigenetic which cause chronic tissue injury, hormonal imbalance, and promotional effects. This review evaluates in vitro tests for their contribution to a battery for identifying genotoxic chemical carcinogens. In addition to bacterial mutagenic assays, nonspecific DNA damage/repair tests are recommended for screening chemicals, in particular the hepatocyte primary culture/DNA repair test.

摘要

化学致癌物在作用机制上分为基因毒性致癌物,它们直接与DNA相互作用;以及表观遗传致癌物,它们会导致慢性组织损伤、激素失衡和促进作用。本综述评估了体外试验对识别基因毒性化学致癌物的一组试验的贡献。除了细菌诱变试验外,还建议采用非特异性DNA损伤/修复试验来筛选化学物质,特别是肝细胞原代培养/DNA修复试验。

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