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Acheron regulates vascular endothelial proliferation and angiogenesis together with Id1 during wound healing
Authors:Sun Rongju  Chen Wei  Zhao Xiaodong  Li Tanshi  Song Qing
Affiliation:Department of Emergency, General Hospital of PLA, Beijing, China.
Abstract:RNA binding protein acheron has proved to be either the mediator of integrin‐extracellular matrix interactions or the regulatory factor that participates in vertebrate development, cell differentiation and cell death. We report the role of acheron in vascular endothelial proliferation, angiogenesis and wound healing post‐trauma. Co‐immunoprecipitation showed that Acheron forms a ternary complex with β1 integrin and Id1 in human umbilical vein endothelial cells following stimulation with serious trauma serum. Acheron, vascular endothelial growth factor (VEGF), and β1 integrin mRNA expression was apparently inhibited, and capillary density and wound healing rate also were reduced in Id1‐deficient mice trauma model. Acheron together with Id1 significantly induces VEGF, not CD105 level inhibition by serious trauma serum for 24 h. In conclusion, we have demonstrated that acheron may be an effective mediator of promoting endothelial proliferation, angiogenesis and wound healing probably by regulating VEGF together with Id1. Copyright © 2011 John Wiley & Sons, Ltd.
Keywords:acheron  inhibitor of differentiation (Id1)  endothelial proliferation  angiogenesis  trauma
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