Neoplastic Stem CellsGlioblastomaStem CellsBrain NeoplasmsHematopoietic Stem CellsStem Cell TransplantationEmbryonic Stem CellsAdult Stem CellsApoptosisPluripotent Stem CellsHematopoietic Stem Cell TransplantationNeural Stem CellsStem Cell NicheCell Line, TumorCell DifferentiationInduced Pluripotent Stem CellsCell ProliferationApoptosis Regulatory ProteinsMultipotent Stem CellsMesenchymal Stem Cell TransplantationCaspasesCells, CulturedSignal TransductionMesenchymal Stromal CellsCaspase 3Stem Cell FactorCell SurvivalProto-Oncogene Proteins c-bcl-2