Fig. 5From: Proteomic analysis of retinal pigment epithelium cells after exposure to UVA radiationUVA-irradiation stimulated factors of the ER stress-mediated apoptotic pathway. The changes in ER stress sensors PERK, p-PERK, e-IF2, p-eIF2, ATF4, CHOP, and ATF6 fragment were investigated by western blot analysis. β-actin was used as the internal controlBack to article page