GlioblastomaBrain NeoplasmsNeurogliaDacarbazineGliomaAstrocytomaCell Line, TumorAntineoplastic Agents, AlkylatingNeoplastic Stem CellsDNA Modification MethylasesMice, NudeGlial Cell Line-Derived Neurotrophic FactorTumor Cells, CulturedGene Expression Regulation, NeoplasticCell ProliferationXenograft Model Antitumor AssaysImmunohistochemistryNeoplasm InvasivenessSupratentorial NeoplasmsCentral Nervous System NeoplasmsApoptosisBrainTransplantation, HeterologousCell MovementOligodendrogliomaNeoplasm TransplantationReceptor, Epidermal Growth FactorNeuronsAntineoplastic AgentsKarnofsky Performance StatusDNA Repair EnzymesPTEN PhosphohydrolaseBlotting, WesternGliosarcomaCombined Modality TherapyCell SurvivalNimustineNerve Tissue ProteinsNeovascularization, PathologicSignal TransductionRNA, Small InterferingRNA, MessengerNeoplasm Recurrence, LocalReverse Transcriptase Polymerase Chain ReactionSpheroids, CellularRats, NudeNestinGlial Cell Line-Derived Neurotrophic Factor ReceptorsTumor Suppressor ProteinsMagnetic Resonance ImagingGene Expression ProfilingNeural Stem CellsIsocitrate DehydrogenaseCarmustineO(6)-Methylguanine-DNA MethyltransferaseGene Knockdown TechniquesPrognosisGliosisMice, SCIDOligodendrogliaCell DifferentiationCells, CulturedAngiogenesis InhibitorsTumor Markers, BiologicalInterleukin-13 Receptor alpha2 SubunitKaplan-Meier EstimateGenes, erbB-1TransfectionSurvival AnalysisCell Growth ProcessesCentral Nervous SystemIntermediate Filament ProteinsAstrocytesRNA InterferenceRadiation ToleranceDrug Resistance, NeoplasmCell DivisionProto-Oncogene Proteins c-aktMicroRNAsStem CellsDisease Models, AnimalSurvival RateImmunoenzyme TechniquesNerve Growth FactorsRadiation-Sensitizing AgentsNeurosurgical Procedures