| BMP/BMPR | bone morphogenetic protein/BMP receptor |
| ECM | extracellular matrix |
| PA | pulmonary artery |
| PAH | pulmonary arterial hypertension |
| PAA | pulmonary artery aneurysm |
| SMC | smooth muscle cells |
| TAA | thoracic aortic aneurysm |
| TGF-β | transforming growth factor-β |
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