1-氯-3-丁烯-2-酮与脱氧鸟嘌呤核苷反应产物的结构鉴定

来源 :中国毒理学会第六届全国毒理学大会 | 被引量 : 0次 | 上传用户:ahyiahyi
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  1-氯-3-丁烯-2-酮(CBO)是1,3-丁二烯的一种代谢产物.丁二烯是一种致癌性环境污染物,主要环境来源为汽车尾气以及香烟烟雾等.丁二烯致癌性由其代谢物引起.它产生多种代谢物,如3,4-环氧-1-丁烯、1,2,3,4-双环氧丁烷和3,4-环氧-1,2-丁二醇等.CBO是最近新发现的一种代谢物.我们研究了CBO以及其前体1-氯-2-羟基-3-丁烯(CHB)的细胞毒性、遗传毒性和致突变性,发现CHB和CBO都有细胞毒性和遗传毒性,但CBO毒性比CHB强100倍.CHB具有致突变性,而CBO的毒性阻碍了对其致突变性的研究.
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