Cell Transformation, NeoplasticCell Transformation, ViralTransformation, GeneticTransformation, BacterialCell LineCell Line, TransformedOncogenesGenes, rasCell DivisionFibroblasts3T3 CellsCarcinogensMutationCells, CulturedTransfectionMolecular Sequence DataMesocricetusMethylnitronitrosoguanidinePhenotypeBase SequenceSignal TransductionOncogene Protein p65(gag-jun)Gene Expression Regulation, NeoplasticNIH 3T3 CellsMice, NudeEpithelial CellsAntigens, Polyomavirus TransformingOncogene Proteins, ViralNeoplasms, ExperimentalTranscription Factor AP-1Oncogene Protein pp60(v-src)X-RaysProto-Oncogene Proteins c-mycGenes, mycHMGA1a ProteinClone CellsPlasmidsDNA-Binding ProteinsPhosphorylationAvian Sarcoma VirusesProto-OncogenesProto-Oncogene ProteinsCricetinaeSimian virus 40Embryo, MammalianAmino Acid SequenceContact InhibitionTumor Suppressor Protein p53Transcription FactorsRNA, Messengerras ProteinsEpitheliumNeoplasm TransplantationTumor Cells, CulturedAntigens, Viral, TumorChick EmbryoNeoplasmsCell ProliferationDNATime FactorsPrecancerous ConditionsTranscription, GeneticCell Line, TumorCell DifferentiationNeoplasm ProteinsBenzopyrenesCell AdhesionOncogene Protein p21(ras)Gene Expression RegulationBenzo(a)pyrenePolyomavirusTranscriptional ActivationCell CycleKirsten murine sarcoma virusEpidermal Growth FactorTetradecanoylphorbol AcetateCocarcinogenesisMammary Neoplasms, ExperimentalMammary Glands, HumanGene ExpressionCell SurvivalProto-Oncogene Proteins p21(ras)Genes, srcMammary Glands, AnimalImmunohistochemistryCell AgingCloning, MolecularApoptosisPromoter Regions, GeneticProtein-Tyrosine KinasesHMGA2 ProteinBlotting, WesternProto-Oncogene Proteins c-junOncogene Protein p55(v-myc)Protein-Serine-Threonine KinasesDNA Transformation CompetenceRecombinant Fusion ProteinsKaryotypingModels, BiologicalSkin Neoplasms