T-Lymphocytes, RegulatorySuppressor Factors, ImmunologicImmune ToleranceImmunosuppressionSpleenp-AzobenzenearsonateHypersensitivity, DelayedT-LymphocytesImmunoglobulin IdiotypesPokeweed MitogensImmunization, PassiveLymphocyte CooperationHemolytic Plaque TechniqueHaptensConcanavalin AAntibody FormationLymphocyte ActivationEpitopesMice, Inbred StrainsMice, Inbred BALB CAntibody-Producing CellsGenes, Tumor SuppressorT-Lymphocytes, Helper-InducerTrinitrobenzenesHistocompatibility AntigensThymectomyB-LymphocytesT-Lymphocyte SubsetsAntigensLymphocyte Culture Test, MixedGenes, SuppressorDose-Response Relationship, ImmunologicImmunity, CellularDinitrobenzenesMice, Inbred C57BLReceptors, Antigen, T-CellMice, Inbred AImmunologic MemoryMice, Inbred CBAH-2 AntigensTumor Suppressor ProteinsMice, Inbred AKRHemocyaninIsoantigensCD4-Positive T-LymphocytesDermatitis, ContactLeukemia L5178Suppressor of Cytokine Signaling ProteinsImmunosorbentsNitrobenzenesDinitrofluorobenzeneAntigens, SurfaceInterleukin-2ImmunoglobulinsClone CellsLymphokinesSuppression, GeneticMajor Histocompatibility ComplexCytotoxicity, ImmunologicAntigens, LyHybridomasLeukocyte CountCD8-Positive T-LymphocytesAntibodies, MonoclonalAntigens, Differentiation, T-LymphocyteThymus GlandImmunoglobulin AllotypesMice, Inbred C3Hgamma-GlobulinsPhenotypeTumor Suppressor Protein p53Cells, CulturedGenes, MHC Class IIT-Lymphocytes, CytotoxicAntigens, HeterophileIsoantibodiesLymph NodesCell SeparationReceptors, Interleukin-2Mice, Inbred DBAPhenylacetatesHistocompatibility Antigens Class IIAntigens, CD4Immunoglobulin GAdoptive TransferMast-Cell SarcomaPhytohemagglutininsInterferon-gammaFlow CytometryMice, TransgenicImmunizationPicryl ChlorideCell DivisionCytotoxicity Tests, ImmunologicCyclophosphamideAzo CompoundsAntigens, CD8PeptidesTime FactorsAntilymphocyte Serum