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RhoA activity in PAECs exposed to 24 h of normoxia (n = 7), 24 h of hypoxia (n = 5), or with acute exogenous ROS treatment (H2O2, 50 μM, every 15 min for 1 h) (n = 5) or exogenous thrombin (n = 6). Values are expressed as mean ± SEM. *p < 0.05 relative to normoxia.
