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Structure and functions of transcriptional coactivators p300/ CBP and their roles in regulation of interleukin gene expression

机译:转录共激活因子p300 / CBP的结构和功能及其在白介素基因表达调控中的作用

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摘要

p30ft/CBP are versatile transcriptional coactivators that participate in many physiological processes, including cell cycle control, differentiation and apoptosis. p300/CBP possess histone acetyltransferase (HAT) activity and they are involved in transcriptional regulation by acetylating histone and nonfaistoae proteins. Moreover, they act as protein bridges connecting specific transcription factors to the basal transcription machinery and provide a scaffold to integrate multiple transcription cofactors. Several studies suggest that p300/CBPamay serve as tumor suppressors since mutations or translocations in p300/Cbp genes have been observed in a number of cancers. Furthermore', in many neurodegeaerative diseases, inhibition of p300/CBP function may be one of the underlying causes of cytotoxicity. Several studies have demonstrated that p300/CBP are implicated in the regulation of many interleukia genes. This review focuses on the structures and functions of p300/CBP and their roles in the regulation of interleukin genes based on the work performed in our laboratory.
机译:p30ft / CBP是多功能的转录共激活因子,参与许多生理过程,包括细胞周期控制,分化和凋亡。 p300 / CBP具有组蛋白乙酰转移酶(HAT)活性,它们通过使组蛋白和非Faistoae蛋白乙酰化而参与转录调控。此外,它们充当将特定转录因子连接至基础转录机制的蛋白质桥,并提供整合多个转录辅因子的支架。多项研究表明,p300 / CBPamay可作为肿瘤抑制因子,因为已在许多癌症中观察到了p300 / Cbp基因的突变或易位。此外,在许多神经退行性疾病中,p300 / CBP功能的抑制可能是细胞毒性的根本原因之一。多项研究表明,p300 / CBP与许多白细胞介素基因的调控有关。这篇综述基于我们实验室中的工作,着重于p300 / CBP的结构和功能及其在白介素基因调控中的作用。

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