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首页> 外文期刊>Mutation Research, E. Environmental Mutagenesis and Related Subjects >EFFECT OF RADIATION AND CIGARETTE SMOKING ON EXPRESSION OF FUDR-INDUCIBLE COMMON FRAGILE SITES IN HUMAN PERIPHERAL LYMPHOCYTES
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EFFECT OF RADIATION AND CIGARETTE SMOKING ON EXPRESSION OF FUDR-INDUCIBLE COMMON FRAGILE SITES IN HUMAN PERIPHERAL LYMPHOCYTES

机译:辐射和烟熏对人类外周血淋巴细胞易感性常见脆弱部位表达的影响

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摘要

In vitro X-irradiation of human peripheral blood lymphocytes increased the frequencies of fluorodeoxyuridine-induced fragile sites in a dose-related manner. However, the cells from 30 atomic bomb survivors exposed to either high or low radiation doses 47 years earlier showed no demonstrable difference in fragile site expression, indicating that fragile site induction was ephemeral in nature. When fragile sites were analyzed on the basis of tobacco smoking habits, an elevated number was observed in the smokers. The results confirm that fragile sites can be affected by recent exposure to exogenous agents, but the effect is probably of limited duration, based on the atomic bomb survivor experience.
机译:人外周血淋巴细胞的体外X射线照射以剂量相关的方式增加了氟脱氧尿苷诱导的脆弱部位的频率。然而,47年前暴露于高或低辐射剂量下的30名原子弹幸存者的细胞在脆弱部位的表达上没有明显差异,表明脆弱部位的诱导本质上是短暂的。根据吸烟习惯对脆弱的场所进行分析时,吸烟者的数量有所增加。结果证实,脆弱的场所可能受到近期暴露于外源性物质的影响,但根据原子弹幸存者的经验,这种影响的持续时间可能有限。

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