CerebellumCytoplasmic GranulesCell DifferentiationNeuronsMossy Fibers, HippocampalCerebellar CortexMice, Inbred C57BLThymus GlandPurkinje CellsMice, TransgenicMice, KnockoutChromaffin GranulesCells, CulturedOlfactory BulbPilocarpineHippocampusDendritesMice, Neurologic MutantsB-LymphocytesLymphopoiesisSynapsesCell LineageRats, Sprague-DawleyAnimals, NewbornSecretory VesiclesSignal TransductionGene Expression Regulation, DevelopmentalGerm CellsEpilepsy, Temporal LobeExcitatory Postsynaptic PotentialsT-LymphocytesReceptors, GABA-ASynaptic TransmissionStatus EpilepticusNerve Tissue ProteinsInterneuronsStem CellsOrgan Culture TechniquesMice, Mutant StrainsNeurogenesisPatch-Clamp TechniquesS100 Calcium Binding Protein GBromodeoxyuridinePrecursor Cells, B-Lymphoidgamma-Aminobutyric AcidB-Lymphocyte SubsetsNeural InhibitionElectric StimulationImmunohistochemistryKainic AcidMicroscopy, ElectronReceptors, N-Methyl-D-AspartateCell CountReceptors, Antigen, B-CellRats, WistarCA3 Region, HippocampalExocytosisRNA, MessengerNerve FibersT-Lymphocyte SubsetsInterleukin-7Receptors, Antigen, T-Cell, alpha-betaFlow CytometryIn Situ HybridizationGene Expression RegulationMolecular Sequence DataCalbindinsCell SurvivalNeuronal PlasticityTranscription FactorsHematopoietic Stem CellsGABA AntagonistsTime FactorsThymocytesCell MovementExcitatory Amino Acid AntagonistsMembrane ProteinsAction PotentialsCalciumCell ProliferationReceptors, Interleukin-7Receptors, Antigen, T-CellSpleenBone Marrow CellsPre-B Cell ReceptorsElectrophysiologySeizuresBasic Helix-Loop-Helix Transcription FactorsGlutamic AcidGreen Fluorescent ProteinsLymphopeniaDNA-Binding ProteinsSpermatogenesisAxonsLymphocyte ActivationCell DivisionEvoked Potentials