Fig. 5From: Dibutyryl-cAMP attenuates pulmonary fibrosis by blocking myofibroblast differentiation via PKA/CREB/CBP signaling in rats with silicosisThe expression of PKA/p-CREB protein is regulated by db-cAMP in vivo. a p-CREB expression in silicotic rat lung tissue (IHC); b PKA and p-CREB expression in rat silicotic lung tissue (Western blot); Data are means ± SEM; n = 6 independent experimentsBack to article page