Emerging Roles for Polycomb-Group Proteins in Stem Cells and Cancer

被引：90

作者：

Chan, Ho Lam ^{[1
,2
]}

Morey, Lluis ^{[1
,2
]}

机构：

[1] Sylvester Comprehens Canc Ctr, Biomed Res Bldg,1501 NW 10th Ave, Miami, FL 33136 USA

[2] Univ Miami, Miller Sch Med, Dept Human Genet, Miami, FL 33136 USA

来源：

TRENDS IN BIOCHEMICAL SCIENCES | 2019年 / 44卷 / 08期

关键词：

REPRESSIVE COMPLEX 1; GENE-EXPRESSION; DEVELOPMENTAL REGULATORS; UBIQUITIN LIGASE; DOWN-REGULATION; SELF-RENEWAL; CBX FAMILY; EZH2; CHROMATIN; METHYLATION;

D O I：

10.1016/j.tibs.2019.04.005

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Polycomb-group (PcG) complexes are multiprotein, evolutionarily conserved epigenetic machineries that regulate stem cell fate decisions and development, and are also implicated in cancer and other maladies. The PcG machinery can be divided into two major complexes: Polycomb repressive complex 1 and 2 (PRC1 and PRC2). Traditionally, PcG complexes have been associated with maintenance of gene repression mainly via histone-modifying activities. However, during the last years, increasing evidence indicates that the PcG complexes can also positively regulate gene transcription and modify non-histone substrates in multiple biological processes, cellular stages, and cancers. In this review, we will illustrate recent findings in PcG-mediated gene regulation, with special focus on the recently described non-classical functions of PcG complexes in stem cells and cancer.

引用

页码：688 / 700

页数：13

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