GlioblastomaBrain NeoplasmsDacarbazineGliomaAstrocytomaCell Line, TumorAntineoplastic Agents, AlkylatingDNA Modification MethylasesNeoplastic Stem CellsMice, NudeGene Expression Regulation, NeoplasticTumor Cells, CulturedXenograft Model Antitumor AssaysTreatment OutcomeSymptom AssessmentDepressionCell ProliferationNeoplasm InvasivenessSupratentorial NeoplasmsCentral Nervous System NeoplasmsKarnofsky Performance StatusTransplantation, HeterologousMagnetic Resonance ImagingCombined Modality TherapyAntineoplastic AgentsApoptosisNeoplasm TransplantationDNA Repair EnzymesReceptor, Epidermal Growth FactorPrognosisPTEN PhosphohydrolaseSignal TransductionQuestionnairesNimustineTime FactorsGliosarcomaCell MovementNeovascularization, PathologicNeoplasm Recurrence, LocalSeverity of Illness IndexOligodendrogliomaRNA, Small InterferingBehavioral SymptomsDisease ProgressionFollow-Up StudiesPsychiatric Status Rating ScalesImmunohistochemistryBlotting, WesternRats, NudeSpheroids, CellularIsocitrate DehydrogenaseTumor Suppressor ProteinsCarmustineBrainProspective StudiesRetrospective StudiesSurvival AnalysisGene Expression ProfilingO(6)-Methylguanine-DNA MethyltransferaseCell SurvivalKaplan-Meier EstimateReverse Transcriptase Polymerase Chain ReactionMice, SCIDGene Knockdown TechniquesQuality of LifeSurvival RateAngiogenesis InhibitorsInterleukin-13 Receptor alpha2 SubunitTumor Markers, BiologicalGenes, erbB-1AstrocytesAffective SymptomsRNA, MessengerRadiation ToleranceDrug Resistance, NeoplasmRisk FactorsCell Growth ProcessesPrevalenceTumor BurdenRadiation-Sensitizing Agents