Point MutationMutation, MissenseMutationCarcinogensFrameshift MutationCarcinogenesisGerm-Line MutationCell Transformation, NeoplasticCocarcinogenesisPedigree9,10-Dimethyl-1,2-benzanthraceneBase SequencePrecancerous ConditionsMutation RatePolymerase Chain ReactionExonsHeterozygoteAzoxymethaneMolecular Sequence DataSkin NeoplasmsDNA Mutational AnalysisPapillomaPolymorphism, Single-Stranded ConformationalAnticarcinogenic AgentsAmino Acid SubstitutionAllelesRats, Inbred F344MethylnitrosoureaGenotypeColonic NeoplasmsMutagenesisAmino Acid SequenceMutagenesis, Site-DirectedHomozygoteCarcinogenicity TestsSequence Analysis, DNAGenes, p53Gene Expression Regulation, NeoplasticDNA PrimersCodon, Nonsense1,2-DimethylhydrazineAdenocarcinomaNeoplasms, ExperimentalDNA-Binding ProteinsPhenotypeImmunohistochemistryAdenomaNeoplasmsCell LineNitrosaminesDNA, NeoplasmRNA, MessengerDNAGenes, RecessiveGenetic Predisposition to DiseaseStomach NeoplasmsMammary Neoplasms, ExperimentalSequence DeletionCell Line, TumorMutagensSignal TransductionTranscription FactorsColorectal NeoplasmsTumor Suppressor Protein p53Genes, DominantMice, TransgenicCarcinoma, Squamous CellGene DeletionProtein Structure, TertiaryCodonGenetic TestingNeoplasms, Radiation-InducedChromosome MappingReverse Transcriptase Polymerase Chain ReactionMethylnitronitrosoguanidineLung NeoplasmsPromoter Regions, Genetic4-Nitroquinoline-1-oxideEscherichia coliLiver Neoplasms, ExperimentalModels, MolecularMembrane ProteinsSuppression, GeneticBinding SitesDNA MethylationPolymorphism, GeneticTransfectionCarcinogens, EnvironmentalDiethylnitrosamineNuclear ProteinsSequence Homology, Amino AcidBenzo(a)pyreneButylhydroxybutylnitrosamineDisease Models, AnimalCell DivisionApoptosisProtein BindingDimethylhydrazinesCell ProliferationCloning, Molecular