期刊
JOURNAL OF MOLECULAR AND CELLULAR CARDIOLOGY
卷 89, 期 -, 页码 35-41出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.yjmcc.2014.10.021
关键词
MicroRNAs; Atherosclerosis
资金
- DFG (Excellence Initiative) [SFB1123 B4]
- BMBF [DZHK MHA VD1.2, META JTC 2011 - miR-A]
During the past decade, the crucial role of microRNAs (miRs) controlling tissue homeostasis and disease in the cardiovascular system has become widely recognized. By controlling the expression levels of their targets, several miRs have been shown to modulate the function of endothelial cells, vascular smooth muscle cells, and macrophages, thereby regulating the development and progression of atherosclerosis. For instance, miR-155 can exacerbate early stages of atherosclerosis by increasing the inflammatory activation and disturbing efficient lipid handling in macrophages. Conversely, miRs can exert atheroprotective roles, as has been established for the complementary miR-126 strand pair, which forms a dual system sustaining the endothelial proliferative reserve and promoting endothelial regeneration to counteract atherogenic effects of disturbed flow and hyperlipidemia. Under some conditions, miRs are released from cells and are transported by microvesicles, ribonucleoprotein complexes, and lipoproteins, being remarkably stable in circulation. Conferred by such delivery modules, miRs can regulate target mRNAs in recipient cells, representing a new tool for cell-cell communication in the context of atherosclerotic disease. Here, we will discuss novel aspects of miR-mediated regulatory mechanisms, namely the regulation by competing RNA targets, miRNA tandems, or complementary miR strand pairs, as well as their potential diagnostic and therapeutic value in atherosclerosis. This article is part of a Special Issue entitled 'Non-coding RNAs'. (C) 2014 Elsevier Ltd. All rights reserved.
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