MSI1 and glioblastoma: Figure 4, both DDP and ATO induced apoptosis in parental GBM cells; compared with the Flag-control cells (20% AnnexinV-positive cells, 18.5% TUNEL-positive cells and 22% cleaved casapase-3 positive cells), chemodrug-induced apoptosis was significantly decreased in MSI1-overexpressed GBM cells (11% AnnexinV-positive cells, 10% TUNEL-positive cells and 14% cleaved casapase-3 positive cells).