28734
Pulmonary artery smooth muscle cells ( PASMCs ) from PAH patients are hyper - proliferative and apoptosis - resistant , and demonstrate decreased signaling in response to bone morphogenetic proteins ( BMPs ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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