Tumor Stem Cell AssayNeoplastic Stem CellsColony-Forming Units AssayStem CellsHematopoietic Stem CellsBrain NeoplasmsGlioblastomaTransplantation, HeterologousCell Line, TumorMice, NudeSpheroids, CellularMice, SCIDCell DifferentiationGliomaCell ProliferationNeoplasm TransplantationStem Cell TransplantationTumor Markers, BiologicalEmbryonic Stem CellsGlycoproteinsAdult Stem CellsPeptidesAntigens, CDFlow CytometryAntineoplastic AgentsPluripotent Stem CellsCell Transformation, NeoplasticSignal TransductionNeoplasmsHematopoietic Stem Cell TransplantationTumor Cells, CulturedStem Cell NicheGene Expression Regulation, NeoplasticXenograft Model Antitumor AssaysNeural Stem CellsInduced Pluripotent Stem CellsModels, BiologicalAntigens, CD24Multipotent Stem CellsMesenchymal Stem Cell TransplantationTumor BurdenCells, CulturedMesenchymal Stromal CellsStem Cell Factor