New insights into the functions and regulation of the transcriptional corepressors SMRT and N-CoR.

New insights into the functions and regulation of the transcriptional corepressors SMRT and N-CoR.
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对转录核心器SMRT和N-COR的功能和调节的新见解。

DOI:
10.1186/1747-1028-4-7
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发表时间:
2009-04-21
期刊:
影响因子:
2.3
通讯作者:
Kao HY
Kao HY
中科院分区:
生物学3区
文献类型:
--
作者:
Stanya KJ;Kao HY

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辅阻遏物是大蛋白质,通过招募组蛋白修饰酶来促进转录抑制。两种主要的辅阻遏物,SMRT(类维生素A和甲状腺激素受体的沉默介导物)和N-CoR(核受体辅阻遏物),已被证明可以介导与核受体和无数其他转录因子相关的抑制。本综述将重点关注这些蛋白质的最新研究,包括新发现的辅阻遏物的生理作用、它们的调节模式、它们在抗雌激素耐药性乳腺癌中的作用以及它们在细胞周期中的功能。
Corepressors are large proteins that facilitate transcriptional repression through recruitment of histone-modifying enzymes. Two major corepressors, SMRT (silencing mediator for retinoid and thyroid hormone receptors) and N-CoR (nuclear receptor corepressor), have been shown to mediate repression associated with nuclear receptors and a myriad of other transcription factors. This review will focus on recent studies on these proteins, including newly discovered physiological roles of the corepressors, their modes of regulation, their roles in antiestrogen-resistant breast cancer and their functions during the cell cycle.
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