Fig. 3

Cell viability of HEI-OC1 pretreated with ATX and ATX-LPN on CDDP-induced cell injury. a Cell viability of HEI-OC1 cells treated with a series of concentrations of CDDP (0, 10, 30, 60, 100 μM) for 24 h. b Cell viability of HEI-OC1 cells 60 μM CDDP at different incubation times (1, 3, 6, 12, and 24 h). c Cell viability of HEI-OC1 cells treated with drug free LPN. d Cell viability of HEI-OC1 cells pretreatment with ATX or ATX-LPN (1, 5, 10, 15 μg/ml) followed by 60 μM CDDP treatment for 24 h. **p < 0.01; ***p < 0.001 as compared with control. ^###p < 0.001 as compared with ATX