AstrocytomaBrain StemBrain NeoplasmsStem CellsTumor Markers, BiologicalCell Line, TumorTumor Necrosis Factor-alphaTumor BurdenGliomaGlioblastomaBrain Stem NeoplasmsBrain ChemistryWilms TumorGenes, Tumor SuppressorNeoplasms, ExperimentalMagnetic Resonance ImagingTumor Suppressor Protein p53Tumor Suppressor ProteinsHypothalamic NeoplasmsCarcinoid TumorBrain InjuriesNeuroendocrine TumorsCell ProliferationNeoplastic Stem CellsTumor MicroenvironmentBrainNeovascularization, PathologicImmunohistochemistryRNA, MessengerTransplantation, HeterologousTime FactorsMice, Inbred C57BLMammary Neoplasms, ExperimentalOligodendrogliomaBrain MappingEvoked Potentials, Auditory, Brain StemSignal TransductionBrain Stem InfarctionsSupratentorial NeoplasmsOptic Nerve NeoplasmsNeoplasm MetastasisCell DivisionSpinal Cord NeoplasmsMice, Inbred BALB CHematopoietic Stem CellsAdenocarcinomaPlant StemsNeoplasm ProteinsStem Cell TransplantationAntigens, NeoplasmCell Transformation, NeoplasticReverse Transcriptase Polymerase Chain ReactionCell LineCerebellar NeoplasmsCells, CulturedGastrointestinal Stromal TumorsDisease Models, AnimalXenograft Model Antitumor AssaysNeoplasmsDisease ProgressionMutationMice, SCIDBlotting, WesternTomography, X-Ray ComputedDNA, NeoplasmMolecular Sequence DataTreatment OutcomeAstrocytesNeuronsMice, TransgenicEpendymomaNeoplasm Recurrence, LocalAdult Stem CellsBase SequenceColonic NeoplasmsDose-Response Relationship, DrugCell SurvivalNeoplasm StagingMeningiomaLiver NeoplasmsCarcinoma, Ehrlich TumorAntibodies, MonoclonalMice, NudeGene Expression Regulation, NeoplasticTransfectionKidney NeoplasmsTissue DistributionFibrosarcomaCell MovementGene ExpressionGene Expression ProfilingSkin NeoplasmsCombined Modality TherapyRetrospective StudiesOvarian NeoplasmsFlow CytometryCentral Nervous System NeoplasmsNeuroectodermal Tumors, PrimitiveMeningeal NeoplasmsImmunoenzyme Techniques