Chick EmbryoClone CellsIsobutyratesViral InterferenceSindbis VirusAvian Sarcoma VirusesCulture TechniquesChickensVirus CultivationFibroblastsCloning, MolecularMolecular Sequence DataCells, CulturedBase SequenceAmino Acid SequenceCell LineDNA, ComplementaryT-LymphocytesRNA, MessengerSequence Homology, Amino AcidDNALymphocyte ActivationEpitopesPlasmidsNucleic Acid HybridizationPolymerase Chain ReactionReceptors, Antigen, T-Cell, alpha-betaSequence Analysis, DNASequence Homology, Nucleic AcidGenesReceptors, Antigen, T-CellT-Lymphocytes, Helper-InducerRecombinant ProteinsBlotting, SouthernEscherichia coliGenes, BacterialGene ExpressionCD4-Positive T-LymphocytesTranscription, GeneticMutationCell DivisionSequence AlignmentDNA Restriction EnzymesTransfectionGenes, T-Cell Receptor betaB-LymphocytesAntibodies, MonoclonalCell DifferentiationPhenotypeDNA, RecombinantDNA PrimersGenetic VectorsBlotting, NorthernTumor Cells, CulturedEpitopes, T-LymphocyteCloning, OrganismChromosome MappingRestriction MappingT-Lymphocytes, CytotoxicDNA, BacterialHLA-DR AntigensCell Line, TransformedAvian ProteinsGene Expression Regulation, DevelopmentalMice, Inbred BALB CHistocompatibility Antigens Class IIGene Rearrangement, beta-Chain T-Cell Antigen ReceptorInterleukin-2In Situ HybridizationGene Expression RegulationAntigens, SurfaceLymphocyte CooperationCytotoxicity, ImmunologicAntigen-Presenting CellsPeptide FragmentsT-Lymphocyte SubsetsPhylogenyKineticsRetroviridaeMajor Histocompatibility ComplexHLA-DR Serological SubtypesDNA, ViralBacterial ProteinsComplementarity Determining RegionsCricetinaeHybrid CellsCD8-Positive T-LymphocytesPeptidesMembrane GlycoproteinsCross ReactionsReverse Transcriptase Polymerase Chain ReactionChimeraImmunoglobulin Variable RegionTime FactorsMultigene FamilyGenomic LibraryRepetitive Sequences, Nucleic AcidGenetic Complementation TestMice, Inbred C57BLPromoter Regions, Genetic