Article
Remodelling of the endothelial extracellular matrix promotes smooth muscle cell hyperplasia in pulmonary hypertension due to left heart disease.
Cardiovascular research - 14 Feb 2026
Nambiar Veetil Netra, Gransar Tara, Liu Shao-Fei, Almalla Ahed, Kirchner Marieluise, Brackin-Helmers Robyn, Hennig Felix, Yeter Ruhi, Weinhart Marie, Mertins Philipp, Falk Volkmar, Szulcek Robert, Kucherenko Mariya M, Kuebler Wolfgang M, Knosalla Christoph
Abstract excerpt
AIMS: Hyperplasia of pulmonary arterial smooth muscle cells (SMCs) contributes to the progression of pulmonary hypertension (PH), yet the underlying pathomechanism of this process in PH secondary to left heart disease (PH-LHD) is poorly understood. We aimed to investigate the role of the endothelial extracellular matrix (ECM), specifically the pulmonary arterial basement membrane (BM), in influencing SMC...
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