Figure 5.

Pentazocine attenuated the MPP⁺-induced SN4741 cells apoptosis via Wnt/β-catenin signaling. Cells were treated as described in Figure 2A. (A) The SN4741 cells apoptosis was analyzed by the TUNEL assay. Cells were also stained with DAPI as counterstain for the cell nuclei. (B) Quantification of the percentage of apoptotic SN4741 cells in different groups (the means ± SEM; n = 3; **p < 0.01). (C) SN4741 Cell viability in different groups was measured by MTT assay (the means ± SEM; n = 3; *p < 0.05; **p < 0.01).