Fig. 2

Effect of mangiferin on the ability of osteosarcoma cells to form colonies. Cells were incubated with mangiferin (25–100 µM) for 72 h. a Saos-2 cell colony formation assay, b U2OS colony formation assay and c percentage analysis of a and b. N = 6. Control vs. *P < 0.05. Scale bar is 100 µm