Fig. 3From: Coptis Chinensis affects the function of glioma cells through the down-regulation of phosphorylation of STAT3 by reducing HDAC3Effect of COP on colony formation of Glioma cells. U251 and U87 (a) cells were treated with COP (0, 0.625, 1.25 and 2.5 mg/ml) for 24 h and allowed to grow for an additional 12 days. b Photographs of cell culture (0 and 2.5 mg/ml) are shown. c Colony percentages represent the mean ± SD from 3 individual experiments. The number of colonies after treatment with vehicle control was normalized to 100%. *, P < 0.05; **, P < 0.01; ***, P < 0.001 compared with the control groupBack to article page