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胚胎发育过程中的DNA甲基化作用 被引量:3

DNA Methylation in Embryonic Development
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摘要 哺乳动物的正常发育取决于表观遗传学调控机制准确无误地运行.其中尤为重要的是发生在原生殖细胞和胚胎中的基因组范围内的DNA甲基化模式重排等表观遗传学修饰.胚胎发育过程中的DNA甲基化作用与基因印记的建立、基因表达的调控以及细胞和胚胎的形态建成都密切相关.DNA甲基化发生机制和功能的阐明将对哺乳动物个体发育与人类疾病研究有重要意义. Normal development of mammals depends on accurate function of epigenetic regulation,such as genome-wide DNA methylation reprogramming in the primordial germ cells and in the early embryo.DNA methylation in embryonic development was closely related with genomic imprinting,regulation of gene ex-pression and morphogenesis of cells and embryos.It is of significance to clarify the mechanism and function of DNA methylation for research on mammalian ontogeny and human disease.
出处 《生命科学研究》 CAS CSCD 2011年第2期170-175,共6页 Life Science Research
基金 国家现代农业产业技术体系建设专项项目(CARS-39) 重庆市自然科学基金重点项目(CSTC 2009BA1066)
关键词 DNA甲基化 重编程 胚胎发育 原生殖细胞 胎盘 DNA methlytion reprogramming embryonic development primordial germ cells placenta
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