Retroviridae InfectionsEndogenous RetrovirusesRetroviridaeGammaretrovirusHuman T-lymphotropic virus 1DeltaretrovirusAntigensHistocompatibility Antigens Class IICell LineHLA-D AntigensAntigens, SurfaceAntigens, BacterialAntigens, NeoplasmHLA-DR AntigensHuman T-lymphotropic virus 2Antigens, ViralDeltaretrovirus InfectionsHLA AntigensHLA-DQ AntigensHTLV-I InfectionsT-LymphocytesHLA-DP AntigensAntibodies, MonoclonalDeltaretrovirus AntibodiesMolecular Sequence DataBetaretrovirusAntigens, CDHistocompatibility Antigens Class IAntigens, ProtozoanAntigens, Polyomavirus TransformingHistocompatibility AntigensH-2 AntigensPulmonary Adenomatosis, OvineGenes, MHC Class IIRetroviruses, SimianBase SequenceB-LymphocytesImmunoenzyme TechniquesAntigens, FungalLeukemia Virus, MurineEpitopesAntigens, HelminthAmino Acid SequenceInterferon-gammaGenetic VectorsMajor Histocompatibility ComplexLymphocyte ActivationProvirusesFluorescent Antibody TechniqueAntigens, Viral, TumorReceptors, Antigen, T-CellCells, CulturedMice, Inbred BALB CDNA, ViralGene Products, envCarcinoembryonic AntigenHuman T-lymphotropic virus 3Terminal Repeat SequencesAntigens, CD8Moloney murine leukemia virusReceptors, Antigen, B-CellEnzyme-Linked Immunosorbent AssayAntibody SpecificityRetroviridae ProteinsGene Products, gagFlow CytometrySimian T-lymphotropic virus 1Immunoglobulin GHLA-A AntigensProliferating Cell Nuclear AntigenAntigen-Presenting CellsLymphocytesAntigens, CD3Mice, Inbred C57BLGenes, ViralReceptors, VirusPolymerase Chain ReactionCross ReactionsProstate-Specific AntigenRecombinant ProteinsO AntigensAntigens, CD4Antigens, Differentiation, B-LymphocyteCell Transformation, ViralTransfectionAntigen PresentationAntibodies, ViralGenes, envViral Envelope ProteinsMice, Inbred StrainsRepetitive Sequences, Nucleic AcidAntigens, CD15Blood DonorsAntigens, Tumor-Associated, CarbohydrateSpleenAntibody FormationMason-Pfizer monkey virusVirus ReplicationHLA-A2 AntigenHLA-B Antigens