U87 GBM cells (6)U227 GBM cells (2)U251 GBM cells (2)GS9-6/NOTCH1 + GBM cellsGBM43 cells, GL261 GBM cells9L gliosarcoma cells, C6 glioma cells, A172 GBM cells, U373 GBM cells, BT2012036 oligodendroglioma, GLINS1 GBM stem cellsB16F10 Melanoma cellsMDA-MB-231 Breast cancer cells. This evidence concerns the gene NOTCH1 and oligodendroglioma.