Figure 4.
Effects of berberine on L929 cell cycle. (a) The cells were exposed to different berberine concentrations for 24 h. Cell cycle after propidium iodide staining was detected by flow cytometry. (b) The quantities of cell cycle were analyzed. n = 3. ∗ p < 0.05 and ∗∗ p < 0.01 compared with the control.