AstrocytesNeurogliaGlial Fibrillary Acidic ProteinNeuronsGlial Cell Line-Derived Neurotrophic Factor ReceptorsCells, CulturedGliosisBrainOligodendrogliaNerve Tissue ProteinsAnimals, NewbornImmunohistochemistryCentral Nervous SystemNerve Growth FactorsCerebral CortexRats, Sprague-DawleyRetinaGlutamic AcidAquaporin 4Glial Cell Line-Derived Neurotrophic FactorCell DifferentiationSpinal CordExcitatory Amino Acid Transporter 2Optic NerveExcitatory Amino Acid Transporter 1AxonsS100 Calcium Binding Protein beta SubunitStem CellsMicrogliaAmino Acid Transport System X-AGProto-Oncogene Proteins c-retGlial Cell Line-Derived Neurotrophic FactorsCell CommunicationMice, TransgenicSchwann CellsHippocampusMice, Inbred C57BLRNA, MessengerS100 ProteinsGliomaMyelin SheathRats, WistarCerebellumCoculture TechniquesNestinNeural Stem CellsCell CountDisease Models, AnimalVimentinEpendymaAstrocytomaTime FactorsNerve RegenerationCell SurvivalNeurturinMice, KnockoutIntermediate Filament ProteinsGene Expression RegulationBlotting, WesternEpendymoglial CellsSignal TransductionDrosophila ProteinsNeurogenesisFluorescent Antibody TechniqueGene Expression Regulation, DevelopmentalNeuroprotective AgentsCalcium SignalingEnteric Nervous SystemNerve DegenerationCell DeathMolecular Sequence DataCell LineageCalciumCell MovementJC VirusGreen Fluorescent ProteinsIn Situ HybridizationMicroscopy, ElectronCell ProliferationNeuropeptidesReverse Transcriptase Polymerase Chain ReactionBrain NeoplasmsNervous SystemUp-RegulationLeechesDemyelinating DiseasesGene ExpressionGanglia, SpinalBlood-Brain BarrierNeuritesGap JunctionsNeocortexCell LineProsencephalonCulture Media, ConditionedBase SequenceCiliary Neurotrophic FactorPeripheral Nervous SystemPhosphopyruvate HydrataseBrain Chemistry