Mammary Neoplasms, AnimalDog DiseasesMammary Neoplasms, ExperimentalMammary Glands, Animal9,10-Dimethyl-1,2-benzanthraceneMammary Tumor Virus, MouseCell Transformation, NeoplasticMethylnitrosoureaMice, TransgenicCarcinogenesisWnt1 ProteinGene Expression Regulation, NeoplasticBreast NeoplasmsCocarcinogenesisCarcinogensReceptor, erbB-2Genes, erbB-2Anticarcinogenic AgentsCell Line, TumorNeoplasmsHyperplasiaPrecancerous ConditionsSignal TransductionMammary Glands, HumanProlactinCell ProliferationEpithelial CellsPancreatic NeoplasmsCyclin D1AdenocarcinomaNeoplasms, Radiation-InducedImmunohistochemistryBenz(a)AnthracenesTumor Suppressor Protein p53Lung NeoplasmsGenes, rasCell Growth ProcessesSkin Neoplasmsbeta CateninDNA, NeoplasmNeoplasm MetastasisTransgenesMice, KnockoutNeoplasm InvasivenessIntestinal NeoplasmsAntigens, Polyomavirus TransformingNeoplasm ProteinsMice, Inbred C57BLReceptors, EstrogenSexual MaturationProto-Oncogene Proteins c-mycMice, NudeApoptosisNeoplasm TransplantationCell DivisionBlotting, WesternMutationProto-Oncogene ProteinsReceptors, ProgesteroneWnt ProteinsProto-Oncogene Proteins c-aktNeoplasms, Cystic, Mucinous, and SerousMice, Inbred BALB CReverse Transcriptase Polymerase Chain ReactionBromocriptineEstrogen Receptor alphaDisease ProgressionGene DeletionRats, Inbred F344Genes, p53EstrogensDietary FatsCarcinomaDisease Models, AnimalAdenomaTransforming Growth Factor alphaNeoplasms, ExperimentalBody WeightGene Expression ProfilingEstradiolKidney NeoplasmsGenisteinTime FactorsPregnancyTumor Cells, CulturedNeoplasms, Multiple PrimaryNeoplastic Stem CellsProtein-Serine-Threonine KinasesCaveolin 1Up-RegulationColonic NeoplasmsShc Signaling Adaptor ProteinsBreastGene ExpressionDietTransforming Growth Factor betaNeovascularization, PathologicPituitary GlandReceptor, erbB-3Liver Neoplasms