详细信息
文献类型:期刊文献
中文题名:Polycomb group(PcG)蛋白复合体
英文题名:Polycomb group protein complexes
作者:马克学[1];席兴字[2]
第一作者:马克学
机构:[1]河南师范大学生命科学学院;[2]新乡学院教科系
第一机构:河南师范大学生命科学学院,新乡453007
年份:2009
卷号:31
期号:10
起止页码:977-981
中文期刊名:遗传
外文期刊名:Hereditas
收录:CSTPCD;;Scopus;北大核心:【北大核心2008】;CSCD:【CSCD2011_2012】;PubMed;
基金:河南师范大学青年科学基金(编号:2008qk14);河南省动物学省级重点学科和生物化学与分子生物学省级重点学科经费资助
语种:中文
中文关键词:PcG蛋白;转录抑制;染色质修饰;干细胞
外文关键词:PcG proteins; transcriptional repression; chromatin modification; stem cell
摘要:Polycomb group(PcG)蛋白是一组通过染色质修饰调控靶基因的转录抑制子,从生化和功能上它可以分成两个主要的核心蛋白复合体PRC1(Polycomb repressive complex 1)和PRC2(Polycomb repressive complex 2)。研究发现PcG蛋白不仅控制个体正确的发育模式,而且与细胞的增殖、分化和肿瘤发生有关。文章就PcG蛋白的组成、作用机制及功能进行综述,并对PcG未来的研究方向进行展望。
The transcriptional repressors of the polycomb group (PcG) proteins regulate the targeted genes expression through chromatin modifications. They can be separated biochemically and functionally into two major core multiprotein complexes: PRC1 (Polycomb repressive complex 1) and PRC2 (Polycomb repressive complex 2). Studies revealed that PcG proteins were not only crucial for correct execution of developmental programs but also involved in the regulation of cell proliferation, differentiation, and tumorigenesis. This paper summarizes the components of PcG proteins complexes, its silencing mechanisms and biological functions, and discusses the study of PcG proteins in future.
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