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Proliferative ability of PASMCs in the hypoxic and normoxic groups was detected by Cell Couunting kit-8 assay. PASMCs in the hypoxic group exhibited a faster growth speed, as compared with the normoxic group, particularly after 6 h. Data are presented as the mean ± standard deviation. *P<0.05. PASMCs, pulmonary artery smooth muscle cells; OD, optical density.
