Lymphocyte SubsetsT-Lymphocyte SubsetsLymphocytesCD4-CD8 RatioT-LymphocytesLymphocyte ActivationLymphocyte CountLeukocyte CountCD4-Positive T-LymphocytesFlow CytometryAntigens, CD3CD8-Positive T-LymphocytesT-Lymphocytes, Helper-InducerImmunophenotypingAntigens, CD8T-Lymphocytes, RegulatoryAntibodies, MonoclonalAntigens, CD45Killer Cells, NaturalImmunity, CellularAntigens, CDSpleenHLA-DR AntigensReceptors, Antigen, T-Cell, gamma-deltaB-LymphocytesT-Lymphocytes, CytotoxicMice, Inbred BALB CCytotoxicity, ImmunologicB-Lymphocyte SubsetsInterleukin-2Cells, CulturedAntigens, Differentiation, T-LymphocytePhytohemagglutininsMice, Inbred C57BLInterferon-gammaLymph NodesAntigens, CD4Lymphocytes, Tumor-InfiltratingAntigens, SurfaceThymus GlandConcanavalin ALymphocyte Culture Test, MixedCytokinesCell SeparationReceptors, Antigen, T-CellRosette FormationLymphopeniaMitogensClone CellsLymphocyte DepletionImmunologic MemoryLymphoid TissueLymphocytes, NullCD4 Lymphocyte CountReceptors, Antigen, T-Cell, alpha-betaReceptors, Interleukin-2Leukocytes, MononuclearAntigens, DifferentiationCell LineEpitopesMolecular Sequence DataImmunoglobulinsHistocompatibility AntigensAntigens, CD19Antigens, CD57MonocytesPhenotypeCytotoxicity Tests, ImmunologicMembrane GlycoproteinsDendritic CellsTime FactorsJurkat CellsHIV-1Interleukin-4Lymphocyte TransfusionLymphocyte CooperationReceptors, Antigen, B-CellPokeweed MitogensAntigens, CD56Immunoglobulin GAntigens, CD2Immune ToleranceMice, Inbred StrainsAntigens, CD28Cell DivisionCell DifferentiationLeukocytesHIV InfectionsFluorescent Antibody TechniqueImmunoglobulin MPalatine TonsilMacrophagesHistocompatibility Antigens Class IIMice, KnockoutAntibody FormationApoptosisRNA, MessengerCell MovementLymphocyte Function-Associated Antigen-1L-Selectin