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  Current Angiogenesis

Volume 1 Issue 1
ISSN: 2211-5528

 
   All Titles

Regulation of Angiogenesis by the Small Heat Shock Protein αB-Crystallin
pp.39-45 (7) Authors: Lothar C. Dieterich, Anna Dimberg
 
Abstract:

αB-crystallin is a member of the small heat shock protein family, primarily known for their ability to bind to and stabilize un- or misfolded proteins and protect cells from protein denaturation-induced damage. Besides its general chaperone function, αB-crystallin has been assigned additional activities, such as inhibition of apoptosis, cytoskeletal stabilization and turnover, and ubiquitination and degradation of specific target proteins. αB-crystallin is frequently expressed in endothelial cells and perivascular cells, and can be further induced by pro-angiogenic growth factors and different types of cellular stress. Recently, αB-crystallin has been implicated in the regulation of angiogenesis and blood vessel function by endothelial cell intrinsic and extrinsic mechanisms. The aim of this review is to summarize some of the recent findings concerning the various functions of αB-crystallin, with a specific focus on endothelial cell biology and regulation of angiogenesis.

Keywords: αB-crystallin, angiogenesis, apoptosis, chaperone, endothelial, heat shock protein, stress, VEGF
Affiliation: Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Uppsala University, SE-751 85 Uppsala, Sweden.

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