Crosstalk Between mRNA 3'-End Processing and Epigenetics.

Crosstalk Between mRNA 3'-End Processing and Epigenetics.
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DOI:
10.3389/fgene.2021.637705
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发表时间:
2021
影响因子:
3.7
通讯作者:
Shi Y
Shi Y
中科院分区:
生物学3区
文献类型:
--
作者:
Soles LV;Shi Y

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大多数真核基因通过在称为替代多聚腺苷酸化 (APA) 的过程中使用替代性 Poly(A) 位点来产生多种 mRNA 亚型。 APA 是一个动态过程,在发育过程中以及对外在或内在刺激的反应中受到高度调控。 APA 的错误调节与多种疾病有关,包括癌症、神经系统和免疫系统疾病。自 40 年前第一个 APA 实例被描述以来,APA 的调控机制一直在积极研究。传统上,该领域的研究主要集中在调节顺式元件和反式作用 RNA 结合蛋白的作用。然而,最近的研究揭示了表观遗传机制在 APA 调控中的重要功能,包括 DNA 和组蛋白修饰以及高阶染色质结构。在这里,我们将讨论这些最新发现及其对我们理解表观遗传学和 mRNA 3' 末端加工之间的串扰的影响。
The majority of eukaryotic genes produce multiple mRNA isoforms by using alternative poly(A) sites in a process called alternative polyadenylation (APA). APA is a dynamic process that is highly regulated in development and in response to extrinsic or intrinsic stimuli. Mis-regulation of APA has been linked to a wide variety of diseases, including cancer, neurological and immunological disorders. Since the first example of APA was described 40 years ago, the regulatory mechanisms of APA have been actively investigated. Conventionally, research in this area has focused primarily on the roles of regulatory cis-elements and trans-acting RNA-binding proteins. Recent studies, however, have revealed important functions for epigenetic mechanisms, including DNA and histone modifications and higher-order chromatin structures, in APA regulation. Here we will discuss these recent findings and their implications for our understanding of the crosstalk between epigenetics and mRNA 3'-end processing.
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