BMP-dependent activation of caspase-9 and caspase-8 mediates apoptosis in pulmonary artery smooth muscle cells

Abstract excerpt

Germ line mutations in the bone morphogenetic protein (BMP) receptor type II (BMPRII) gene have been found in >50% of familial idiopathic pulmonary arterial hypertension (IPAH) patients and in 30% of sporadic cases of IPAH. Mutations of BMPRII occur in the extracellular ligand-binding domain, in the cytoplasmic serine/threonine kinase domain, or in the long carboxy terminus domain of unknown function. In this...

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