Neoplastic Stem CellsGlioblastomaGliomaStem CellsBrain NeoplasmsStem Cell TransplantationHematopoietic Stem CellsEmbryonic Stem CellsAdult Stem CellsPluripotent Stem CellsNeural Stem CellsHematopoietic Stem Cell TransplantationStem Cell NicheInduced Pluripotent Stem CellsCell DifferentiationMultipotent Stem CellsMesenchymal Stem Cell TransplantationDacarbazineAstrocytomaCell Line, TumorMesenchymal Stromal CellsCell ProliferationStem Cell Factor