Assignment of Transforming Growth Factor β1 and β3 and a Third New Ligand to the Type I Receptor ALK-1

Abstract excerpt

Germ line mutations in one of two distinct genes, endoglin or ALK-1, cause hereditary hemorrhagic telangiectasia (HHT), an autosomal dominant disorder of localized angiodysplasia. Both genes encode endothelial cell receptors for the transforming growth factor beta (TGF-beta) ligand superfamily. Endoglin has homology to the type III receptor, betaglycan, although its exact role in TGF-beta signaling is unclear....

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