Circular RNAs as Competing Endogenous RNAs in Cardiovascular and Cerebrovascular Diseases: Molecular Mechanisms and Clinical Implications.

Circular RNAs as Competing Endogenous RNAs in Cardiovascular and Cerebrovascular Diseases: Molecular Mechanisms and Clinical Implications.
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环状RNA作为心脑血管疾病中竞争性内源RNA的分子机制和临床意义

DOI:
10.3389/fcvm.2021.682357
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发表时间:
2021
影响因子:
3.6
通讯作者:
Xiong XD
Xiong XD
中科院分区:
医学3区
文献类型:
--
作者:
Min X;Liu DL;Xiong XD

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环状RNA(circRNA)是一类分布广泛且多样的内源性RNA分子。这种不寻常的RNA种类是由外显子或内含子的反向剪接事件产生的,导致共价闭合的circRNA分子。越来越多的证据表明,circRNA在竞争性内源RNA(ceRNA)网络的生物学功能中起着重要作用。CircRNA可以竞争性地与miRNAs结合,并消除miRNAs对靶RNA的抑制作用,从而在转录后水平调节基因表达。circRNA作为ceRNA在心脑血管疾病(CVD)发病机制中的作用最近已被报道和强调。了解潜在的分子机制可以帮助发现针对CVD的治疗靶点或策略。本文就circRNA作为ceRNA在心血管疾病中的作用及其分子机制的研究进展作一综述,并对今后的研究方向和可能的临床意义进行探讨。
Circular RNAs (circRNAs) represent a novel class of widespread and diverse endogenous RNA molecules. This unusual class of RNA species is generated by a back-splicing event of exons or introns, resulting in a covalently closed circRNA molecule. Accumulating evidence indicates that circRNA plays an important role in the biological functions of a network of competing endogenous RNA (ceRNA). CircRNAs can competitively bind to miRNAs and abolish the suppressive effect of miRNAs on target RNAs, thus regulating gene expression at the posttranscriptional level. The role of circRNAs as ceRNAs in the pathogenesis of cardiovascular and cerebrovascular diseases (CVDs) has been recently reported and highlighted. Understanding the underlying molecular mechanism could aid the discovery of therapeutic targets or strategies against CVDs. Here, we review the progress in studying the role of circRNAs as ceRNAs in CVDs, with emphasis on the molecular mechanism, and discuss future directions and possible clinical implications.
DOI: 10.18632/aging.202305
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