Radiation ToleranceGliomaDose-Response Relationship, RadiationUltraviolet RaysBrain NeoplasmsNeoplasmsCarcinogensGlioblastomaAstrocytomaCell Transformation, NeoplasticAneuploidyRadiation, IonizingCell Line, TumorRadiation DosageRadiation InjuriesRisk AssessmentDacarbazineAntineoplastic Agents, AlkylatingTumor Markers, BiologicalRisk FactorsMice, NudeMeningiomaMagnetic Resonance ImagingCombined Modality TherapyMedulloblastomaNeoplasm Recurrence, LocalTumor BurdenNimustineGliosarcomaRadiationAntineoplastic AgentsXenograft Model Antitumor AssaysNeoplasm TransplantationBrain ChemistrySupratentorial NeoplasmsOligodendrogliomaGene Expression Regulation, NeoplasticTumor Cells, CulturedTumor Suppressor Protein p53BrainMeningeal NeoplasmsRadiation ProtectionTransplantation, HeterologousNeoplasms, ExperimentalRadiation MonitoringCell ProliferationRNA, MessengerNeovascularization, PathologicTumor Necrosis Factor-alphaBrain InjuriesEpendymomaApoptosisBrain Stem NeoplasmsNeoplasm ProteinsCell SurvivalRadiotherapySurvival RateTumor Suppressor ProteinsTreatment OutcomeCarmustineSurvival AnalysisImmunohistochemistryBlotting, WesternNeoplasm InvasivenessGenes, Tumor SuppressorNeoplasms, Radiation-InducedGenetic TherapyPrognosisTime FactorsReverse Transcriptase Polymerase Chain ReactionNeoplasm MetastasisNeoplastic Stem CellsDisease ProgressionRadiation-Sensitizing AgentsCell DivisionMutationSignal TransductionAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsCerebellar NeoplasmsEarly Detection of CancerTumor MicroenvironmentRadiotherapy DosageRetrospective StudiesConvectionBlood-Brain BarrierOvarian NeoplasmsColonic NeoplasmsCancer VaccinesBrain MappingDose-Response Relationship, DrugCentral Nervous System NeoplasmsRats, NudeDisease Models, AnimalRadiation OncologyNeoplasm StagingDNA, NeoplasmRNA, Small InterferingRats, Inbred F344Transfection