LymphocytesAntigensLymphocyte ActivationCTLA-4 AntigenImmunoconjugatesT-LymphocytesAntigens, CDAntigens, NeoplasmAntigens, SurfaceAntigens, DifferentiationB-LymphocytesAntigens, BacterialReceptors, Antigen, B-CellAntibodies, MonoclonalAntigens, ViralAntigens, Differentiation, T-LymphocyteReceptors, Antigen, T-CellHLA AntigensMice, Inbred BALB CSialic Acid Binding Ig-like Lectin 2Immune SystemAntigens, CD3T-Lymphocytes, CytotoxicCD4-Positive T-LymphocytesFlow CytometryLymphocyte SubsetsMice, Inbred C57BLAntigens, CD28EpitopesMembrane GlycoproteinsInterferon-gammaCells, CulturedLymphocyte CountCell LineMolecular Sequence DataCytotoxicity Tests, ImmunologicAntigens, CD79Antigen-Antibody ReactionsCD8-Positive T-LymphocytesSpleenHistocompatibility Antigens Class IImmunoglobulin MAntigens, ProtozoanImmune ToleranceAmino Acid SequenceFluorescent Antibody TechniqueImmunity, CellularImmunoglobulin GAntibodiesH-2 AntigensAntigens, Polyomavirus TransformingAntigens, FungalAntibody FormationImmune SeraAntigens, HelminthT-Lymphocytes, RegulatorySignal TransductionAntigens, LyLymphocyte Culture Test, MixedHistocompatibility AntigensSkinBase SequenceHLA-DR AntigensCell Adhesion MoleculesCytotoxicity, ImmunologicAntigens, Differentiation, B-LymphocyteHistocompatibility Antigens Class IIEnzyme-Linked Immunosorbent AssayLymphocytes, Tumor-InfiltratingAntigen-Antibody ComplexE-SelectinCytokinesPhytohemagglutininsImmunizationCarcinoembryonic AntigenInterleukin-2Dendritic CellsT-Lymphocyte SubsetsLymph NodesAntigens, CD45Antigens, Viral, TumorRecombinant Fusion ProteinsHLA-A2 AntigenImmunity, InnateConcanavalin AAntigens, CD4Leukocyte CountAntibody SpecificityLymphocyte TransfusionKiller Cells, NaturalLigandsCross ReactionsThymus GlandDown-RegulationMacrophagesImmunoglobulinsProliferating Cell Nuclear AntigenMice, Inbred StrainsTyrosineHLA-A Antigens