Skip Navigation LinksHome > January 2011 - Volume 57 - Issue 1 > MicroRNAs in Vascular Disease
Journal of Cardiovascular Pharmacology:
doi: 10.1097/FJC.0b013e318203759b
Invited Review Article

MicroRNAs in Vascular Disease

Qin, Shanshan MD; Zhang, Chunxiang MD, PhD

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MicroRNAs (miRNAs) are a novel class of endogenous, small, noncoding RNAs that regulate gene expression via degradation, translational inhibition, or translational activation of their target messenger RNAs. Functionally, an individual miRNA is important as a transcription factor because it is able to regulate the expression of its multiple target genes. As a group, miRNAs are able to directly regulate at least 30% of genes in a cell. In addition, other genes may also be regulated indirectly by miRNAs. It is therefore not surprising that miRNAs could be the pivotal regulators in normal development, physiology, and pathology. Recent studies have identified that miRNAs are highly expressed in vasculature and their expression is dysregulated in diseased vessels. miRNAs are found to be critical modulators for vascular cell functions such as cell differentiation, contraction, migration, proliferation, and apoptosis. Accordingly, miRNAs are involved in the vascular dysfunction, ischemic angiogenesis, reendothelialization, and vascular neointimal lesion formation under diverse vascular diseases. miRNAs may serve as novel therapeutic targets for vascular diseases such as impaired angiogenesis or reendothelialization, restenosis, atherosclerosis, hypertension, and diabetic vascular complication. This review article summarizes the research progress regarding the roles of miRNAs in vascular diseases.

See Editorial, MicroRNA: Redefining Mechanisms in Cardiovascular Diseases by Maha Abdellatif, Journal of Cardiovascular Pharmacology 2010;56:441-443.

© 2011 Lippincott Williams & Wilkins, Inc.

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