SwitzerlandSwiss 3T3 CellsCell LineL Cells (Cell Line)BombesinCell Transformation, Viral3T3 CellsSimian virus 40FibroblastsPolyomavirusCell Transformation, NeoplasticHybrid CellsBase SequenceGenesDNACells, CulturedSpecies SpecificityLeukemia Virus, MurineDNA, ViralNucleic Acid HybridizationMolecular Sequence DataDNA ReplicationAntigens, Viral, TumorThymidine KinaseIdoxuridineMice, Inbred StrainsGammaretrovirusCloning, MolecularTransformation, GeneticTransfectionVirus ReplicationBovine papillomavirus 1RetroviridaePlasmidsMoloney murine leukemia virusDNA Restriction EnzymesClone CellsDNA, RecombinantTranscription, GeneticInterferonsKineticsSarcoma Viruses, MurineMolecular WeightGene Expression RegulationRNA, MessengerMutationGenes, ViralLeukemia, ExperimentalCell DivisionAmino Acid SequenceMice, Inbred BALB CFriend murine leukemia virusEmbryo, MammalianDrug ResistanceAntigens, ViralNeoplasms, ExperimentalLeukemia L5178Antigens, Polyomavirus TransformingHelper VirusesReceptors, VirusCell NucleusCricetinaeViral ProteinsNIH 3T3 CellsChromosomesCarcinoma, Ehrlich TumorHeLa CellsKirsten murine sarcoma virusReceptors, BombesinChromosomes, Human, 16-18Fluorescent Antibody TechniqueMitogensThymidineMice, Inbred C3HRNAVesicular stomatitis Indiana virusGenetic VectorsCulture TechniquesProtein BiosynthesisAKR murine leukemia virusViral InterferenceTime FactorsMinute virus of miceRecombination, GeneticGastrin-Releasing PeptideRNA, ViralDNA RepairInterferon Type IHaplorhiniTumor Cells, CulturedCytoplasmEncephalomyocarditis virusMice, Inbred C57BLDNA DamageContact InhibitionCell Line, TransformedDiphtheria ToxinRecombinant ProteinsUltraviolet RaysCell Fusion