Clone CellsPhenotypeModels, BiologicalMolecular Sequence DataCloning, MolecularBase SequenceAmino Acid SequenceT-LymphocytesCell LineLymphocyte ActivationDNADNA, ComplementaryRNA, MessengerCells, CulturedReceptors, Antigen, T-Cell, alpha-betaCD4-Positive T-LymphocytesEpitopesReceptors, Antigen, T-CellT-Lymphocytes, Helper-InducerTransfectionPolymerase Chain ReactionB-LymphocytesCell DivisionCell DifferentiationSequence Analysis, DNANucleic Acid HybridizationTumor Cells, CulturedSequence Homology, Nucleic AcidAntibodies, MonoclonalMice, Inbred BALB CMice, Inbred C57BLBlotting, SouthernT-Lymphocytes, CytotoxicGenesMutationFlow CytometryGenes, T-Cell Receptor betaGene ExpressionCD8-Positive T-LymphocytesT-Lymphocyte SubsetsSequence Homology, Amino AcidInterleukin-2Cell Line, TransformedEpitopes, T-LymphocyteHistocompatibility Antigens Class IIHLA-DR AntigensAntigens, SurfaceTranscription, GeneticAntigen-Presenting CellsGenetic VectorsPlasmidsImmunophenotypingBlotting, NorthernGene Rearrangement, beta-Chain T-Cell Antigen ReceptorCytotoxicity, ImmunologicDNA PrimersRecombinant ProteinsInterferon-gammaLymphocyte CooperationChromosome MappingAntigens, CDMajor Histocompatibility ComplexGene Expression RegulationMembrane GlycoproteinsCytokinesSpleenHybrid CellsChromosomes, Artificial, BacterialAntigens, CD4Mice, Inbred StrainsComplementarity Determining RegionsAntigens, CD8Killer Cells, NaturalStem CellsInterleukin-4Peptide FragmentsDNA Restriction EnzymesImmunoglobulin Variable RegionAntigens, CD3Cell SeparationDNA, RecombinantGenomic LibraryMice, TransgenicPhylogenyAutoantigensAntigens, Differentiation, T-LymphocyteAntigensAntigens, NeoplasmRetroviridaeSequence AlignmentCricetinaePeptidesReverse Transcriptase Polymerase Chain ReactionHLA-DR Serological SubtypesCross ReactionsTh2 CellsTh1 CellsDNA, BacterialHybridomasVirus Replication