T-LymphocytesLymphocyte ActivationT-Lymphocyte SubsetsCD4-Positive T-LymphocytesInterleukin-2Antigens, CD3Flow CytometryAntigens, CD28PhytohemagglutininsReceptors, Antigen, T-CellInterferon-gammaCD8-Positive T-LymphocytesAntigens, Differentiation, T-LymphocyteAntigens, CDLeukocytes, MononuclearCells, CulturedReceptors, Antigen, T-Cell, alpha-betaAntigens, CD45Clone CellsAntibodies, MonoclonalAntigens, CD2Jurkat CellsLymphocyte CountImmunologic MemoryB-LymphocytesCytokinesHaemophilus parainfluenzaeCD4-CD8 RatioImmunophenotypingReceptors, Interleukin-2LymphocytesReceptors, Antigen, T-Cell, gamma-deltaHLA-DR AntigensMuromonab-CD3Cell SeparationInterleukin-4T-Lymphocytes, RegulatoryCytotoxicity, ImmunologicRosette FormationAntigens, SurfaceMonocytesAntigens, CD4Gene Rearrangement, beta-Chain T-Cell Antigen ReceptorAntigens, CD95Membrane GlycoproteinsLeukocyte CountAntigens, DifferentiationRNA, MessengerMolecular Sequence DataCTLA-4 AntigenTh1 CellsLymphocyte Culture Test, MixedSignal TransductionArthritis, RheumatoidT-Lymphocytes, Helper-InducerKiller Cells, NaturalCell DivisionT-Lymphocytes, CytotoxicApoptosisImmunosuppressive AgentsCell LineTh2 CellsAntigens, CD8Fetal BloodCytotoxicity Tests, ImmunologicCoculture TechniquesLymphocyte Function-Associated Antigen-1Thymus GlandImmunity, CellularReceptors, ChemokineBase SequenceEpitopesInterleukin-10Tumor Necrosis Factor-alphaBlood CellsAmino Acid SequenceAntigens, NeoplasmGene Expression RegulationEpitopes, T-LymphocytePhenotypeMembrane ProteinsPolymerase Chain ReactionTime FactorsLupus Erythematosus, SystemicRecombinant ProteinsCell DifferentiationTetradecanoylphorbol AcetatePeripheral NervesReceptors, ImmunologicDendritic CellsCell AdhesionSpleenUp-RegulationAntigen-Presenting CellsMice, Inbred BALB CMice, TransgenicTumor Cells, CulturedHIV-1Intestinal MucosaTransfection