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抗肿瘤药物对小鼠早期胚胎发育的影响

Effect of Anticancer Drugs on Development of Early Embryos of Mouse
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摘要 表观遗传修饰在基因表达和克隆胚胎的早期发育方面有重要作用。表观遗传修饰至少发生在两个关键时期——配子形成期和植入前胚胎,如果在此期间发生异常,则会导致胚胎的死亡及出生后各种疾病的发生。其中DNA的甲基化是最重要的一种表观遗传修饰类型,DNA甲基化在哺乳动物发育过程中起关键作用。综述几种类型抗肿瘤药物作用机制——其使胚胎的DNA甲基化降低,引起转录活性降低,进而导致胚胎发育停滞。 Epigenetic plays an important role in gene expression and early development of cloned embryos.Epigenetic modifications are always in the crucial status during gametogenesis and preimplantation embryos.If there are aberrant conditions occour,which will lead to embryos dead and all kinds of diseases happen after birth.DNA methylation is one type of the most important epigenetic modification.DNA methylation plays an important role in development of mammals.This paper summarized several mechanisms of anticancer drugs-reductions in DNA methylation of embryos and transcriptional activity.Therefore it lead to fetation stagnate.
出处 《生物技术通报》 CAS CSCD 北大核心 2011年第5期26-30,42,共6页 Biotechnology Bulletin
基金 内蒙古自治区自然科学基金项目(2009BS0503) 内蒙古自治区高等学校科研项目(NJ09093) 内蒙古科技大学项目(2009NC058)
关键词 抗肿瘤药物 小鼠 胚胎 发育 Anticancer drugs Mouse Embryos Development
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