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J Cell Biochem. 2007 Dec 15;102(6):1375-88.

Novel biochemical pathways of endoglin in vascular cell physiology.

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  • 1Centro de Investigaciones Biologicas, Consejo Superior de Investigaciones Cientificas (CSIC), 28040 Madrid, Spain.

Abstract

The broad role of the transforming growth factor beta (TGFbeta) signaling pathway in vascular development, homeostasis, and repair is well appreciated. Endoglin is emerging as a novel, complex, and poorly understood regulatory component of the TGFbeta receptor complex, whose importance is underscored by its recognition as the site of mutations causing hereditary hemorrhagic telangiectasia (HHT) [McAllister et al., 1994]. Extensive analyses of endoglin function in normal developmental mouse models [Bourdeau et al., 1999; Li et al., 1999; Arthur et al., 2000] and in HHT animal models [Bourdeau et al., 2000; Torsney et al., 2003] exemplify the importance of understanding endoglin's biochemical functions. However, novel mechanisms underlying the regulation of these pathways continue to emerge. These mechanisms include modification of TGFbeta receptor signaling at the ligand and receptor activation level, direct effects of endoglin on cell adhesion and migration, and emerging roles for endoglin in the determination of stem cell fate and tissue patterning. The purpose of this review is to highlight the cellular and molecular studies that underscore the central role of endoglin in vascular development and disease.

Copyright (c) 2007 Wiley-Liss, Inc.

PMID:
17975795
[PubMed - indexed for MEDLINE]
PMCID:
PMC2199238
Free PMC Article

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