Research Article

Antitumor Effect of Saikosaponin A on Human Neuroblastoma Cells

Figure 3

Apoptosis condition of human NB cells SK-N-AS with the treatment of different concentrations of SSA (0, 12.5, 15, and 17.5 μM) measured by (a) flow cytometry and the corresponding (b) bar graph, which represents the apoptosis rate of SK-N-AS (, ). , , and vs. control.
(a)
(b)