Cell cytotoxicity assays. Percentage of viable A2780, shRNA-transfected A2780, and Rab 5C-pcDNA3.1-transfected cells treated with cisplatin at different concentrations for 24 h determined by using CCK-8 assay. Results are expressed as the mean of three experiments; A, Rab 5Ci; B, Rab 11Bi; and C, Rab 5C-pcDNA3.1. ***p < 0.001.