T-LymphocytesLymphocytesAntibodiesLymphocyte ActivationAntigens, CD3Antibodies, MonoclonalAntibody SpecificityCD4-Positive T-LymphocytesAntibodies, ViralAntigens, CD8CD8-Positive T-LymphocytesAntigens, CDAntibodies, BacterialT-Lymphocytes, CytotoxicCD4-CD8 RatioB-LymphocytesAntibody FormationFlow CytometryLymphocyte CountCD40 LigandAntigens, CD28Antigens, CD40Cytotoxicity, ImmunologicLymphocyte SubsetsFluorescent Antibody TechniqueAntibodies, NeutralizingSpleenT-Lymphocyte SubsetsCells, CulturedMice, Inbred BALB CAntigens, CD44EpitopesInterleukin-2Antigens, Differentiation, T-LymphocyteAntigens, CD34Molecular Sequence DataMice, Inbred C57BLAntigens, SurfaceReceptors, Antigen, T-CellAntibody AffinityImmunophenotypingCell LineBinding Sites, AntibodyLymphocytes, Tumor-InfiltratingAntibodies, Anti-IdiotypicThymus GlandInterferon-gammaAntigens, CD2Amino Acid SequenceAntigens, CD95Clone CellsAntigens, CD80Antigens, CD38Antigens, CD14T-Lymphocytes, Helper-InducerCytokinesImmunoglobulin GImmunohistochemistryLymph NodesAntigens, CD19Immunoglobulin MPhytohemagglutininsLymphocyte Culture Test, MixedT-Lymphocytes, RegulatoryReceptors, Antigen, T-Cell, alpha-betaAntigens, CD1Cell SeparationAntigens, CD5Cross ReactionsHIV AntibodiesAntibodies, NeoplasmAntigens, DifferentiationCD4 Lymphocyte CountImmunity, CellularAntigens, CD86HIV-1Antigens, CD4Dendritic CellsReceptors, Interleukin-2AntigensAntigens, CD45HLA-DR AntigensAntibodies, AntinuclearLeukocyte CountAntigens, CD18Antibodies, ProtozoanBase SequenceAntigens, CD56Concanavalin AMacrophagesCell DivisionTime FactorsCytotoxicity Tests, ImmunologicAntigens, NeoplasmKiller Cells, NaturalAntigens, CD20Jurkat CellsAutoantibodiesAntigen-Antibody ReactionsRNA, Messenger