LymphocytesLymphocyte ActivationT-LymphocytesLymphocyte SubsetsLymphocyte CountB-LymphocytesCells, CulturedLymphocyte Culture Test, MixedMutationCD4-Positive T-LymphocytesFlow CytometryCell LineLymphocytes, Tumor-InfiltratingSpleenPhytohemagglutininsT-Lymphocytes, CytotoxicLymphocyte TransfusionMice, Inbred C57BLSaccharomyces cerevisiaeMolecular Sequence DataConcanavalin ALeukocyte CountCytotoxicity, ImmunologicInterferon-gammaMice, Inbred BALB CTh2 CellsPhenotypeInterleukin-2Clone CellsKineticsCD8-Positive T-LymphocytesCell DivisionT-Lymphocyte SubsetsTh1 CellsCytokinesAntigens, CD3Lymphocyte DepletionMitogensInterleukin-4Immunity, CellularBase SequenceAntigens, CDReceptors, Lymphocyte HomingLymph NodesLymphocyte CooperationAmino Acid SequenceLymphocyte Function-Associated Antigen-1Rosette FormationAntibodies, MonoclonalTime FactorsRNA, MessengerMice, KnockoutApoptosisKiller Cells, NaturalCell MembraneThymus GlandAntigens, Differentiation, T-LymphocyteLymphomaSignal TransductionDNAMembrane GlycoproteinsCytotoxicity Tests, ImmunologicLectinsAntigens, SurfaceCell DifferentiationReceptors, Antigen, B-CellImmunophenotypingCD4 Lymphocyte CountDrug ResistanceMembrane ProteinsCell SeparationTumor Cells, CulturedReceptors, Antigen, T-CellLeukemia, LymphoidSaccharomyces cerevisiae ProteinsFibroblastsImmune Adherence ReactionImmunoglobulinsMice, TransgenicLymphocytes, NullBiological TransportEscherichia coliRecombinant ProteinsCD4-CD8 RatioLymphoid TissueCell SurvivalPalatine TonsilPlasmidsPokeweed MitogensAntigensMonocytesCricetinaeAntigens, CD45Gene Expression RegulationJurkat CellsCarrier ProteinsTransfectionEpitopesDictyosteliumThoracic Duct