MicroRNAs in cardiac disease.

MicroRNAs in cardiac disease.
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DOI:
10.1016/j.trsl.2010.12.013
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发表时间:
2011-04
期刊:
Translational research : the journal of laboratory and clinical medicine
影响因子:
--
通讯作者:
Dorn GW 2nd
Dorn GW 2nd
中科院分区:
其他
文献类型:
--
作者:
Dorn GW 2nd

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microRNA(miRs)是一类受转录调控的单链RNA,通过转录后mRNA沉默抑制蛋白质表达。最近的一系列研究已经确定了miR在心脏发育和心脏健康中的重要作用。在各种心脏综合征中观察到调节的心肌miR表达,并且血清miR水平被评估为疾病生物标志物。使用遗传技术或工程化miR模拟物和拮抗剂操纵小鼠心脏中的miR水平,阐明了特定心脏miR在心脏发育、心脏对损伤或应激的反应以及心脏疾病中的作用。通过给定的miR靶向单一生物反应途径内的多个因子,促进了可以容易地递送并具有持续体内效应的小miR靶向分子的开发。这些进展为心肌梗死、心脏肥大和心力衰竭的新诊断和新治疗方法奠定了基础。
MicroRNAs (miRs) are transcriptionally-regulated single-strand RNAs that depress protein expression through post-transcriptional mRNA silencing. A host of recent studies have established essential roles for miRs in cardiac development and cardiac health. Regulated myocardial miR expression is seen in a variety of cardiac syndromes, and serum miR levels are being evaluated as disease biomarkers. Manipulation of miR levels in mouse hearts using genetic techniques or engineered miR mimetics and antagonists is elucidating the roles of specific cardiac miRs in cardiac development, the cardiac response to injury or stress, and heart disease. Targeting of multiple factors within a single biological response pathway by a given miR has prompted development of small miR-targeting molecules that can be readily delivered and have sustained in vivo effects. These advances establish a foundation for novel diagnostics and new therapeutic approaches for myocardial infarction, cardiac hypertrophy, and heart failure.
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