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ARPE19 cell cultures (n = 4). (A) JC-1 staining to study mitochondria status, PRGF enhances mitochondria status in presence of blue light; (B) Dihydroethidium staining (DHE) for the presence of reactive oxygen species (ROS), PRGF significantly reduces the expression of ROS as compared with the blue light treatment. Statistical analysis: One-way ANOVA, Tukey multiple comparison test, * p < 0.05, and ** p < 0.005. Scale = 50 µM.
