The role of miR-126 in embryonic angiogenesis, adult vascular homeostasis, and vascular repair and its alterations in atherosclerotic disease

Dimitry A. Chistiakov, Alexander N. Orekhov, Yuri V. Bobryshev

Research output: Contribution to journalArticlepeer-review

156 Citations (Scopus)

Abstract

Expression of microRNA (miR)-126 is enriched in endothelial cells (ECs) and endothelial progenitor cells (EPCs). MiR-126 is considered a master regulator of physiological angiogenesis. In embryonic vasculogenesis, this miRNA is involved in induction of angiogenic signaling, supports differentiation of embryonic stem cells to EPCs and ECs, and promotes EC maturation. However, in mature ECs and adult EPCs, miR-126 contributes to vascular homeostasis by inhibiting angiogenesis and maintaining the quiescent endothelial phenotype associated with increased vascular integrity and inhibited proliferation and motility. In a case of vessel injury and/or hypoxia, miR-126 up-regulation activates EPCs and ECs and contributes to vascular healing and neovessel formation. Indeed, miR-126 exhibits vasculoprotective and atheroprotective properties. The promising regenerative and proangiogenic potential of this miRNA will be helpful for development of cardioprotective strategies and cardiovascular repair therapies of myocardial infarction, heart failure, and other cardiovascular pathology.
Original languageEnglish
Pages (from-to)47-55
Number of pages9
JournalJournal of Molecular and Cellular Cardiology
Volume97
DOIs
Publication statusPublished - 2016

Keywords

  • atherosclerosis
  • endothelial cells
  • endothelial progenitor cells
  • microRNA
  • neovascularization

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