GliomaNeurogliaBrain NeoplasmsGlial Cell Line-Derived Neurotrophic Factor ReceptorsAstrocytesNeuronsAstrocytomaGlioblastomaGlial Fibrillary Acidic ProteinBrainOptic Nerve GliomaNerve Tissue ProteinsNerve Growth FactorsImmunohistochemistryRetinaOligodendrogliaCentral Nervous SystemGlial Cell Line-Derived Neurotrophic FactorCells, CulturedGliosisProto-Oncogene Proteins c-retGlial Cell Line-Derived Neurotrophic FactorsCell Line, TumorBrain Stem NeoplasmsCell DifferentiationAxonsStem CellsSchwann CellsRats, Sprague-DawleyTumor Cells, CulturedNestinNeurturinRNA, MessengerAnimals, NewbornCell ProliferationEpendymoglial CellsOptic NerveCerebral CortexCell SurvivalDrosophila ProteinsSpinal CordEnteric Nervous SystemDacarbazineBlotting, WesternDisease Models, AnimalNeural Stem CellsMyelin SheathIntermediate Filament ProteinsS100 Calcium Binding Protein beta SubunitS100 ProteinsCell CountAquaporin 4JC VirusCerebellumApoptosisGlutamic AcidMice, TransgenicReverse Transcriptase Polymerase Chain ReactionAmino Acid Transport System X-AGVimentinLeechesMice, Inbred C57BLGene Expression Regulation, DevelopmentalCell CommunicationTime FactorsAntineoplastic Agents, AlkylatingCell LineageIn Situ HybridizationSupratentorial NeoplasmsSignal TransductionNervous SystemCell DivisionRats, WistarNerve RegenerationNeuropeptidesMice, NudeNeoplasm GradingExcitatory Amino Acid Transporter 1EpendymaPeripheral Nervous SystemOptic Lobe, NonmammalianDrosophilaNeurogenesisCell DeathNeoplasm InvasivenessGanglia, SpinalGene ExpressionCoculture TechniquesGliosarcomaFluorescent Antibody TechniqueGene Expression Regulation, NeoplasticNeoplasm TransplantationImmunoenzyme TechniquesHippocampusCell MovementGangliogliomaGreen Fluorescent ProteinsTransfectionMice, KnockoutNeuroprotective Agents