Fig. 4From: Mechanical stretching of the pulmonary vein mediates pulmonary hypertension due to left heart disease by regulating SAC/MAPK pathway and the expression of IL-6 and TNF-αThe concentrations of IL-6 and TNF-α in the serums of sham and PH-LHD model rats were analyzed by ELISA, *P < 0.05 vs. the sham groupBack to article page