Fig. 1
From: Indirubin exerts anticancer effects on human glioma cells by inducing apoptosis and autophagy

a Chemical structure of Indirubin, b MTT assays showing the effects of different concentrations of Indirubin on glioma U87 and U118 cells and normal human astrocytes. The experiments were performed in triplicate and expressed as mean ± SD (p < 0.05)