LymphocytesLymphocyte ActivationT-LymphocytesLymphocyte SubsetsB-LymphocytesLymphocyte CountCells, CulturedSpleenCD4-Positive T-LymphocytesFlow CytometryLymphocyte Culture Test, MixedLymphocytes, Tumor-InfiltratingPhytohemagglutininsT-Lymphocytes, CytotoxicCD8-Positive T-LymphocytesCytotoxicity, ImmunologicT-Lymphocyte SubsetsMice, Inbred C57BLConcanavalin ALeukocyte CountAntigens, CDAntigens, CD3Interleukin-2Antibodies, MonoclonalLymphocyte TransfusionImmunity, CellularLymph NodesAntigens, Differentiation, T-LymphocyteThymus GlandLymphocyte DepletionMitogensCell LineRosette FormationMice, Inbred BALB CLymphocyte CooperationReceptors, Antigen, B-CellKiller Cells, NaturalMolecular Sequence DataInterferon-gammaImmunophenotypingReceptors, Lymphocyte HomingReceptors, Antigen, T-CellAntigens, SurfaceCell DivisionCell SeparationCytotoxicity Tests, ImmunologicCell DifferentiationLectinsMembrane GlycoproteinsCell MovementClone CellsReceptors, Antigen, T-Cell, gamma-deltaCell AdhesionMonocytesSignal TransductionLymphocyte Function-Associated Antigen-1Leukemia, LymphoidImmunoglobulinsCytokinesApoptosisTime FactorsLymphoid TissueAntigensAmino Acid SequencePhenotypeT-Lymphocytes, Helper-InducerImmunoglobulin MAntibody FormationAntigens, CD45ThymidineBase SequenceAntigens, CD4RNA, MessengerCell Adhesion MoleculesB-Lymphocyte SubsetsReceptors, Antigen, T-Cell, alpha-betaMacrophagesCD4 Lymphocyte CountMice, Inbred StrainsJurkat CellsIsoantigensImmunologic MemoryLeukocytes, MononuclearT-Lymphocytes, RegulatoryDNAMice, KnockoutEpitopesImmunoglobulin GGene Expression RegulationLeukocytesImmune Adherence ReactionAntibody-Producing CellsLymphocytes, NullReceptors, Interleukin-2Cell CycleCell MembraneImmunohistochemistryGene ExpressionImmune ToleranceCell Proliferation