Fig. 6

Fluorescence images of apoptosis using fluorescence microscope (× 100 magnification, scale bar: 100 μm). a HeLa cells were treated with BI2536 (200 nM) and its derivatives (200 μM) for 24 and 48 h and then stained with fluorescence apoptosis kit. Green and red fluorescence represent live and apoptosis cells, respectively. b Apoptosis cells are shown as red bar graphs that represent mean values. ***p < 0.001