Retroviridae InfectionsEndogenous RetrovirusesRetroviridaeGammaretrovirusHuman T-lymphotropic virus 1DeltaretrovirusAntigensCell LineHistocompatibility Antigens Class IIHLA-D AntigensClone CellsAntigens, SurfaceAntigens, BacterialAntigens, NeoplasmHLA-DR AntigensAntigens, ViralHuman T-lymphotropic virus 2Deltaretrovirus InfectionsHLA AntigensMolecular Sequence DataHLA-DQ AntigensBase SequenceHTLV-I InfectionsT-LymphocytesAntibodies, MonoclonalHLA-DP AntigensAmino Acid SequenceDeltaretrovirus AntibodiesAntigens, CDBetaretrovirusHistocompatibility Antigens Class IAntigens, ProtozoanCloning, MolecularHistocompatibility AntigensAntigens, Polyomavirus TransformingGenes, MHC Class IIPulmonary Adenomatosis, OvineH-2 AntigensB-LymphocytesRetroviruses, SimianEpitopesImmunoenzyme TechniquesGenetic VectorsAntigens, FungalLymphocyte ActivationLeukemia Virus, MurineInterferon-gammaMajor Histocompatibility ComplexAntigens, HelminthProvirusesCells, CulturedFluorescent Antibody TechniqueReceptors, Antigen, T-CellDNA, ViralMice, Inbred BALB CAntigens, Viral, TumorGene Products, envPolymerase Chain ReactionAntigens, CD8Carcinoembryonic AntigenTerminal Repeat SequencesMoloney murine leukemia virusHuman T-lymphotropic virus 3Antibody SpecificityReceptors, Antigen, B-CellEnzyme-Linked Immunosorbent AssayFlow CytometryTransfectionRetroviridae ProteinsGene Products, gagGenes, ViralRecombinant ProteinsRNA, MessengerImmunoglobulin GMice, Inbred C57BLHLA-A AntigensAntigen-Presenting CellsSimian T-lymphotropic virus 1Cross ReactionsAntigens, CD3LymphocytesRepetitive Sequences, Nucleic AcidCell Transformation, ViralProliferating Cell Nuclear AntigenAntigens, CD4DNAReceptors, VirusTumor Cells, CulturedVirus ReplicationMice, Inbred StrainsO AntigensAntigens, Differentiation, B-LymphocyteGenes, envViral Envelope ProteinsProstate-Specific AntigenAntibodies, ViralCD4-Positive T-LymphocytesSpleenRNA, ViralAntigen Presentation