LymphocytesT-LymphocytesLymphocyte ActivationPropylene GlycolsB-LymphocytesThymus GlandFlow CytometrySpleenLymphoid TissueMice, Inbred C57BLLymphocyte SubsetsLymphocyte CountT-Lymphocytes, CytotoxicCell DifferentiationMice, KnockoutCD4-Positive T-LymphocytesCytotoxicity, ImmunologicLymphocyte Culture Test, MixedCells, CulturedPhytohemagglutininsCD8-Positive T-LymphocytesLymphocytes, Tumor-InfiltratingT-Lymphocyte SubsetsInterleukin-2Antigens, CD3Concanavalin ALeukocyte CountLymphocyte TransfusionAntigens, CDMice, Inbred BALB CAntigens, Differentiation, T-LymphocyteImmunity, CellularAntibodies, MonoclonalInterferon-gammaReceptors, Antigen, T-CellLymphocyte DepletionCytotoxicity Tests, ImmunologicMitogensLymph NodesLymphocyte CooperationClone CellsRosette FormationKiller Cells, NaturalAntigens, SurfaceImmunophenotypingJurkat CellsLymphocyte Function-Associated Antigen-1Cell LineReceptors, Lymphocyte HomingEpitopesCell SeparationCytokinesMolecular Sequence DataLectinsCD4 Lymphocyte CountAntigens, CD45T-Lymphocytes, Helper-InducerCD4-CD8 RatioAntigens, CD4Cell DivisionReceptors, Antigen, B-CellMembrane GlycoproteinsImmunologic MemoryMonocytesAntigensImmune Adherence ReactionLymphocytes, NullReceptors, Interleukin-2ImmunoglobulinsT-Lymphocytes, RegulatoryMice, Inbred StrainsLeukocytes, MononuclearReceptors, Antigen, T-Cell, alpha-betaLeukemia, LymphoidMacrophagesAntigens, NeoplasmReceptors, Antigen, T-Cell, gamma-deltaHistocompatibility AntigensDendritic CellsEpitopes, T-LymphocyteApoptosisAntibody FormationAmino Acid SequenceHIV-1HLA-A2 AntigenImmune ToleranceTime FactorsPalatine TonsilPokeweed MitogensCell MovementPerforinAntigen-Presenting CellsH-2 AntigensHistocompatibility Antigens Class IImmunoglobulin GImmunotherapy, AdoptiveAntigen PresentationImmunoglobulin MAntigens, CD28Interleukin-4