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TGF-? receptor function in the endothelium

LEBRIN, F, DECKERS, M, BERTOLINO, P, TENDIJKE, P·2005·Cardiovascular Research

Abstract

Genetic studies in mice and humans have revealed the pivotal role of transforming growth factor-beta (TGF-beta) signaling during angiogenesis. Mice deficient for various TGF-beta signaling components present an embryonic lethality due to vascular defects. In patients, mutations in the TGF-beta type I receptor ALK1 or in the accessory TGF-beta receptor endoglin are linked to an autosomal dominant disorder of vascular dysplasia termed Hereditary Haemorrhagic Telangiectasia (HHT). It has puzzled researchers for years to explain the effects of TGF-beta being a stimulator and an inhibitor of angiogenesis in vitro and in vivo. Recently, a model has been proposed in which TGF-beta by binding to the TGF-beta type II receptor can activate two distinct type I receptors in endothelial cells (ECs), i.e., the EC-restricted ALK1 and the broadly expressed ALK-5, which have opposite effects on ECs behavior. ALK1 via Smad1/5 transcription factors stimulates EC proliferation and migration, whereas ALK5 via Smad2/3 inhibits EC proliferation and migration. Here, the new findings are presented concerning the molecular mechanisms that take place in ECs to precisely regulate and even switch between TGF-beta-induced biological responses. In particular, the role of the accessory TGF-beta receptor endoglin in the regulation of EC behavior is addressed and new insights are discussed concerning the possible mechanisms that are implicated in the development of HHT.

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Metadata

Authors
LEBRIN, F., DECKERS, M., BERTOLINO, P., & TENDIJKE, P.
Venue
Cardiovascular Research
Published
2005-02-15
Volume
65
Issue
3
Pages
599-608
ISSN
0008-6363 (ISSN-L)
OpenAlex
W2002606648
Cited by
513
References
2
FWCI
10.28
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: TGF-? receptor function in the endothelium. https://app.cochat.ai/papers/10.1016/j.cardiores.2004.10.036
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LEBRIN, F., DECKERS, M., BERTOLINO, P., & TENDIJKE, P. (2005). TGF-? receptor function in the endothelium. Cardiovascular Research. https://doi.org/10.1016/j.cardiores.2004.10.036

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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