microRNA-200b as a Switch for Inducible Adult Angiogenesis

Antioxidants & Redox Signaling
Mithun SinhaChandan K Sen

Abstract

Angiogenesis is the process by which new blood vessels develop from a pre-existing vascular system. It is required for physiological processes such as developmental biology and wound healing. Angiogenesis also plays a crucial role in pathological conditions such as tumor progression. The underlying importance of angiogenesis necessitates a highly regulated process. Recent works have demonstrated that the process of angiogenesis is regulated by small noncoding RNA molecules called microRNAs (miRs). These miRs, collectively referred to as angiomiRs, have been reported to have a profound effect on the process of angiogenesis by acting as either pro-angiogenic or anti-angiogenic regulators. In this review, we will discuss the role of miR-200b as a regulator of angiogenesis. Once the process of angiogenesis is complete, anti-angiogenic miR-200b has been reported to provide necessary braking. Downregulation of miR-200b has been reported across various tumor types, as deregulated angiogenesis is necessary for tumor development. Transient downregulation of miR-200b in wounds drives wound angiogenesis. New insights and understanding of the molecular mechanism of regulation of angiogenesis by miR-200b has opened new avenues of possible t...Continue Reading

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Methods Mentioned

BETA
immunoprecipitation
antisense oligonucleotides
ELISA
transfection

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