Immunological SynapsesSynapsesReceptors, Antigen, T-CellAntigen-Presenting CellsCell CommunicationMicrotubule-Organizing CenterT-LymphocytesJurkat CellsLymphocyte ActivationSynaptic TransmissionExcitatory Postsynaptic PotentialsMembrane MicrodomainsPresynaptic TerminalsElectrical SynapsesNeuronal PlasticityLymphocyte Function-Associated Antigen-1Signal TransductionNeuronsHippocampusMice, TransgenicZAP-70 Protein-Tyrosine KinaseNonmuscle Myosin Type IIASynaptic VesiclesLymphocyte Specific Protein Tyrosine Kinase p56(lck)Protein TransportImmunologic CappingDendritesAntigens, CD3Wiskott-Aldrich Syndrome ProteinModels, ImmunologicalReceptors, AMPACell PolarityAntigens, CD28ActinsDendritic SpinesMicroscopy, ConfocalLong-Term PotentiationCells, CulturedProto-Oncogene Proteins c-vavElectric StimulationPatch-Clamp TechniquesReceptors, N-Methyl-D-AspartateNeural InhibitionAntigens, CD2Neuromuscular JunctionIntercellular JunctionsWiskott-Aldrich SyndromeMice, Inbred C57BLAntigen PresentationMice, KnockoutNeurotransmitter AgentsCytoskeletonGlutamic AcidSynaptic MembranesMembrane ProteinsGreen Fluorescent Proteinsgamma-Aminobutyric AcidNerve Tissue ProteinsSecretory VesiclesLong-Term Synaptic DepressionCD4-Positive T-LymphocytesAxonsInterneuronsExcitatory Amino Acid AntagonistsReceptor AggregationPurkinje CellsCalcium SignalingMossy Fibers, HippocampalModels, NeurologicalProtein Kinase CAdaptor Proteins, Signal TransducingPyramidal CellsExocytosisCoculture TechniquesAnimals, NewbornCalciumMicroscopy, Electron, TransmissionAction PotentialsMyelin and Lymphocyte-Associated Proteolipid ProteinsT-Lymphocytes, CytotoxicRats, Sprague-DawleyReceptors, GlutamateKiller Cells, NaturalPost-Synaptic Densitycdc42 GTP-Binding ProteinSynaptophysinKv1.3 Potassium ChannelVesicular Glutamate Transport Protein 1Cell MembraneElectrophysiologySynaptic PotentialsGuanylate KinaseIsoenzymesMotor NeuronsCerebellumAntigensInhibitory Postsynaptic PotentialsMicroscopy, FluorescenceReceptor-CD3 Complex, Antigen, T-CellAntigens, CD