转化生长因子β与microRNAs的串话效应在心肌纤维化中的研究进展

被引:23
作者
杨四宝
高永建
杨萍
机构
[1] 吉林大学中日联谊医院心血管内科
关键词
心脏重构; microRNA; 转化生长因子β; 心肌纤维化;
D O I
暂无
中图分类号
R541.6 [血液循环衰竭];
学科分类号
100201 [内科学];
摘要
心脏重构是心力衰竭发生的根本原因,其中心肌纤维化伴随着心力衰竭发生发展的全过程。转化生长因子β(TGFβ)是重要的促纤维化因子,在病理情况下可通过经典的TGFβ-Smads通路诱导心肌纤维化的发生发展,并最终导致心力衰竭。MicroRNAs是11~25个核苷酸长度的单链非编码小RNAs,可在转录后水平调节基因表达,从而导致疾病的发生。TGFβ通路可在转录和转录后水平调节纤维化相关microRNAs的合成和表达,而microRNAs则可在多水平对TGFβ通路及其下游基因编码蛋白进行反应性调节,二者之间存在着精细的自身反馈调节系统,作者将二者之间的复杂相互作用及其反馈调节称为串话效应(crosstalk)。本文就心力衰竭中心肌纤维化的发病机制做一综述,重点阐述TGFβ信号通路在心肌纤维化中的作用,以及TGFβ与microRNAs的串话效应在心肌纤维化中的自身反馈调节,旨在为心肌纤维化及心力衰竭的防治提供更为特异和有效的作用靶点。
引用
收藏
页码:552 / 554
页数:3
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