Chick EmbryoClone CellsIsobutyratesViral InterferenceSindbis VirusAvian Sarcoma VirusesCulture TechniquesChickensVirus CultivationCloning, MolecularFibroblastsMolecular Sequence DataBase SequenceAmino Acid SequenceCells, CulturedDNA, ComplementaryCell LineDNARNA, MessengerT-LymphocytesSequence Homology, Amino AcidSequence Analysis, DNANucleic Acid HybridizationSequence Homology, Nucleic AcidPolymerase Chain ReactionLymphocyte ActivationGenesPlasmidsEpitopesBlotting, SouthernReceptors, Antigen, T-Cell, alpha-betaRecombinant ProteinsGene ExpressionEscherichia coliGenes, BacterialDNA Restriction EnzymesReceptors, Antigen, T-CellMutationTranscription, GeneticTransfectionSequence AlignmentT-Lymphocytes, Helper-InducerBlotting, NorthernChromosome MappingDNA, RecombinantCell DivisionPhenotypeDNA PrimersCD4-Positive T-LymphocytesAntibodies, MonoclonalDNA, BacterialGenetic VectorsTumor Cells, CulturedB-LymphocytesCell DifferentiationPhylogenyGenes, T-Cell Receptor betaCloning, OrganismT-Lymphocytes, CytotoxicGenomic LibraryMice, Inbred BALB CCell Line, TransformedGene Expression RegulationAntigens, SurfaceHLA-DR AntigensHybrid CellsInterleukin-2Gene Rearrangement, beta-Chain T-Cell Antigen ReceptorEpitopes, T-LymphocyteGene Expression Regulation, DevelopmentalHistocompatibility Antigens Class IIDNA, ViralIn Situ HybridizationChromosomes, Artificial, BacterialPeptide FragmentsRepetitive Sequences, Nucleic AcidBacterial ProteinsRetroviridaeOpen Reading FramesCricetinaeKineticsCosmidsMultigene FamilyAvian ProteinsAntigen-Presenting CellsLymphocyte CooperationRestriction MappingMajor Histocompatibility ComplexCross ReactionsGenes, ViralReverse Transcriptase Polymerase Chain ReactionRNAImmunoglobulin Variable RegionPeptidesComplementarity Determining RegionsGenetic Complementation TestMembrane GlycoproteinsPromoter Regions, GeneticChimeraCD8-Positive T-Lymphocytes