[Pulmonary arterial hypertension and BMP system abnormality].

Abstract excerpt

Genetic analysis has uncovered that familial and idiopathic pulmonary arterial hypertension (PAH) is linked to germline mutations in BMP type II receptor (BMPRII). PAH is characterized by enhanced remodeling of pulmonary arteries due to arterial smooth muscle cell proliferation. BMPRII mutations contribute to abnormal mitotic responses to BMP ligands in pulmonary artery smooth muscle cells. Unbalanced Smad...

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