Fig. 2From: Total saponins of Bolbostemma paniculatum (maxim.) Franquet exert antitumor activity against MDA-MB-231 human breast cancer cells via inhibiting PI3K/Akt/mTOR pathwayFlow cytometry analysis of apoptosis in MDA-MB-231 cells. a Representative images of flow cytometry. b Apoptotic rates in cells treated with the stated concentrations of BPTS. **P < 0.01 vs. 0 μg/mL of BPTSBack to article page