Regulation of angiogenesis and choroidal neovascularization by members of microRNA-23∼27∼24 clusters

Qinbo Zhou, Rachel Gallagher, Rafael Ufret-Vincenty, Xinyu Li, Eric N. Olson, Shusheng Wang

Research output: Contribution to journalArticle

238 Citations (Scopus)

Abstract

MicroRNAs (miRNAs) modulate complex physiological and pathological processes by repressing expression of multiple components of cellular regulatory networks. Here we demonstrate that miRNAs encoded by the miR-23∼27∼24 gene clusters are enriched in endothelial cells and highly vascularized tissues. Inhibition of miR-23 and miR-27 function by locked nucleic acid-modified anti-miRNAs represses angiogenesis in vitro and postnatal retinal vascular development in vivo. Moreover, miR-23 and miR-27 are required for pathological angiogenesis in a laser-induced choroidal neovascularization mouse model. MiR-23 and miR-27 enhance angiogenesis by promoting angiogenic signaling through targeting Sprouty2 and Sema6A proteins, which exert antiangiogenic activity. Manipulating miR-23/27 levels may have important therapeutic implications in neovascular age-related macular degeneration and other vascular disorders.

Original languageEnglish (US)
Pages (from-to)8287-8292
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume108
Issue number20
DOIs
StatePublished - May 17 2011

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Choroidal Neovascularization
MicroRNAs
Pathologic Neovascularization
Physiological Phenomena
Retinal Vessels
Macular Degeneration
Pathologic Processes
Multigene Family
Blood Vessels
Lasers
Endothelial Cells
Proteins
Therapeutics

Keywords

  • Akt
  • Blindness
  • MAP kinase signaling
  • Proangiogenic
  • Semaphorins

ASJC Scopus subject areas

  • General

Cite this

Regulation of angiogenesis and choroidal neovascularization by members of microRNA-23∼27∼24 clusters. / Zhou, Qinbo; Gallagher, Rachel; Ufret-Vincenty, Rafael; Li, Xinyu; Olson, Eric N.; Wang, Shusheng.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 108, No. 20, 17.05.2011, p. 8287-8292.

Research output: Contribution to journalArticle

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