Figure 3

Apoptosis levels of PC12 cells detected by TUNEL. (A) Images of TUNEL results. Scale bar: 50 µm. (B) Quantitative analysis of apoptosis data for each group. Data are shown as means ± standard deviation, n = 3 per group. *p < 0.05 compared with the control group, #p < 0.05 compared with the CM group.