Figure 5. Resveratrol had a dose-dependent effect on OSCs. (A) The morphology of OSCs after treatment with Res at different concentrations. Scale bar, 20 μm. (B) Cell viability of OSCs after treatment with Res. (C) Immunofluorescence images of EdU-positive cells. Scale bar: 50 μm. (D) The EdU-positive rate of OSCs after treatment with Res. *p < 0.05; **p < 0.005; ***p < 0.001; NS: not significant. (E) Flow cytometry apoptotic analysis of OSCs after treatment with gradient concentrations of Res.