ATP2C1 and ocular melanoma: Concretely, despite no effect on the pathological damage, the advantageous impact of OM-MSCs on the GA stress response could be partially abrogated by PEDF siRNA, as evidenced by the alterations in protein expression of GOLPH3 and SPCA1 (Figures 3(e)–3(g)), ROS production, the LPO level, and Ca2+ concentration (Figures 3(h) and 3(i)).