LymphocytesCell DifferentiationLymphocyte ActivationT-LymphocytesCells, CulturedT-Lymphocytes, CytotoxicB-LymphocytesLymphocyte SubsetsLymphocyte CountCD4-Positive T-LymphocytesCell LineFlow CytometryMice, Inbred C57BLCytotoxicity, ImmunologicCD8-Positive T-LymphocytesSignal TransductionCell DivisionSpleenT-Lymphocyte SubsetsMolecular Sequence DataInterleukin-2RNA, MessengerLymphocyte Culture Test, MixedAntigens, CD3Antigens, CDMice, Inbred BALB CGene Expression RegulationPhytohemagglutininsClone CellsStem CellsTranscription FactorsCell ProliferationAntigens, Differentiation, T-LymphocyteAntibodies, MonoclonalAntigens, DifferentiationBase SequenceInterferon-gammaLymphocytes, Tumor-InfiltratingReceptors, Antigen, T-CellThymus GlandMice, KnockoutGene Expression Regulation, DevelopmentalPhenotypeMice, TransgenicCell LineageConcanavalin AImmunophenotypingAntigens, SurfaceLeukocyte CountCell SeparationSex DifferentiationAmino Acid SequenceEchinostomaMonocytesApoptosisDNA-Binding ProteinsImmunity, CellularTime FactorsCytokinesImmunohistochemistryGene ExpressionReverse Transcriptase Polymerase Chain ReactionEmbryonic Stem CellsCytotoxicity Tests, ImmunologicJurkat CellsMembrane GlycoproteinsLymph NodesMacrophagesMitogensKiller Cells, NaturalLymphocyte CooperationT-Lymphocytes, Helper-InducerDendritic CellsEpitopesLymphocyte TransfusionBone Marrow CellsTretinoinDigestive System NeoplasmsCell MovementRosette FormationLymphocyte DepletionImmunologic MemoryTranscription, GeneticHematopoietic Stem CellsMice, Inbred StrainsFluorescent Antibody TechniqueAntigens, CD45Coculture TechniquesDown-RegulationAntigens, CD4Antigens, NeoplasmUp-RegulationCell Culture TechniquesCell AdhesionT-Lymphocytes, RegulatoryCell SurvivalHomeodomain ProteinsLymphocyte Function-Associated Antigen-1Membrane ProteinsAntigens