Fig. 13From: Crocin attenuates cigarette smoke-induced lung injury and cardiac dysfunction by anti-oxidative effects: the role of Nrf2 antioxidant system in preventing oxidative stressPKC, MAPK and PI3K mRNA expression in lung tissue of Control, Crocin, COPD and COPD plus crocin (CO + CR) rats. All the groups were statistically compared by ANOVA followed by Tukey’s multiple comparison. *P < 0.05 and **P < 0.01 vs. Control rats. ††P < 0.01 vs. COPD group. Data are expressed as mean ± SEMBack to article page