Fig. 3

Apoptosis analysis by flow cytometry with Annexin V-FITC/PI dual stains of the MCF-7 cells. The cells were treated with IC50 of SB1 and SB2, the apoptosis was measured after 48 h of incubation. Untreated MCF-7 cells (control) (a) Apoptotic analysis of SB1 (b) and after SB2 treatment (c), and overall quantitative results of apoptosis (d). The results were statistically significant compared to the untreated cells controls (p < 0.05).