Mammary Tumor Virus, MouseTumor Virus InfectionsRetroviridae InfectionsMarek Diseasevon Hippel-Lindau DiseaseHodgkin DiseaseRNA VirusesOncogenic VirusesVirus ReplicationMammary Neoplasms, ExperimentalVaccinia virusRNA, ViralVirus CultivationCell LineReceptors, VirusVirus DiseasesAntigens, ViralDNA, ViralSimian virus 40Viral ProteinsGenes, ViralInfluenza A Virus, H1N1 SubtypeVirus SheddingAvian leukosis virusPlant VirusesMolecular Sequence DataDNA VirusesDefective VirusesCell Line, TumorTumor Markers, BiologicalMeasles virusTumor Necrosis Factor-alphaAvian Sarcoma VirusesOrthomyxoviridae InfectionsVirus AssemblyRespiratory Syncytial VirusesAntibodies, ViralInfluenza A Virus, H5N1 SubtypeSindbis VirusTumor BurdenRespiratory Syncytial Virus InfectionsWest Nile virusRabies virusHepatitis B virusAntiviral AgentsInfluenza A Virus, H3N2 SubtypeNeoplasms, ExperimentalRauscher VirusYaba monkey tumor virusMice, Inbred BALB CAlpharetrovirusEpstein-Barr Virus InfectionsCells, CulturedBase SequenceTranscription, GeneticGammaretrovirusCell Transformation, NeoplasticMice, Inbred C57BLHepatitis CInfluenza, HumanGene Expression Regulation, ViralPolymerase Chain ReactionRNA, MessengerTransfectionVero CellsTime FactorsRetroviridaeCercopithecus aethiopsVesicular stomatitis Indiana virusWilms TumorRepetitive Sequences, Nucleic AcidNeutralization TestsAmino Acid SequenceTumor Suppressor Protein p53Virus ActivationOrthomyxoviridaeReverse Transcriptase Polymerase Chain ReactionCell Transformation, ViralRNA-Directed DNA PolymeraseMoloney murine leukemia virusVirionNucleic Acid HybridizationDNA Virus InfectionsProvirusesSimian immunodeficiency virusPromoter Regions, GeneticHemagglutinin Glycoproteins, Influenza VirusHerpesvirus 4, HumanGenes, Tumor SuppressorParainfluenza Virus 1, HumanVirus LatencyMice, Inbred StrainsHepacivirusViral Plaque AssayCricetinaeRNA Virus InfectionsGenetic VectorsVirus IntegrationSatellite VirusesMammary Glands, Animal