Fig. 7From: HMGB1-induced activation of ER stress contributes to pulmonary artery hypertension in vitro and in vivoThe underlying mechanism of TMP protective effect against MCT-induced PAH. PERK, ATF4, SIAH2 and HIPK2 protein levels in lung tissue were determined from each group using immunoblotting. For original blot images, see Additional file 1. * P < 0.05Back to article page