Figure 5. Resolvin D1 elevated the glutathione level and increased antioxidant gene expression. A: Immunofluorescence staining showed the expression of anti-ROS proteins, including Nrf2, GSH, MnSOD, NQO-1, and HO-1, in healthy, diabetic, and 4 day resolvin D1 (RvD1)-treated diabetic corneal epithelia. B: Western blotting showed the expression of anti-reactive oxygen species (ROS) proteins, including Nrf2, MnSOD, NQO-1, and HO-1, in healthy, diabetic, and 4 day RvD1-treated diabetic corneal epithelia. C: The quantified data of the western blotting results are shown (n=4). Data are given as the mean ± standard deviation (SD); *p<0.05, **p<0.01, ***p<0.001.