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P-TEFb的功能及其活性调控机制
Authors
胡向明
陈瑞川
Publication date
15 June 2010
Publisher
Abstract
P-TEFb是调控真核基因转录延伸的核心转录因子之一,为大多数mRNA转录所必需;与艾滋病、心肌肥大和肿瘤均有密切关系;目前有关P-TEFb的生物学功能及其活性调控机制仍在不断的发现之中。在细胞内,P-TEFb以无活性和可被募集两种复合体存在,并且两种复合体之间可互相转化,以严格维持细胞内P-TEFb的总体活性水平。近年的研究已逐渐揭示P-TEFb活性调控的分子模式,以及调控细胞内P-TEFb活化的信号和分子机理。本文综述近年有关P-TEFb的功能和活性调控机制的研究进展
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Last time updated on 16/06/2016