Epithelial CellsCell ProliferationCell DivisionEpitheliumIntestinal MucosaCells, CulturedSignal TransductionCell LineApoptosisBromodeoxyuridineImmunohistochemistryCell DifferentiationColonRNA, MessengerMammary Glands, AnimalCell Line, TumorProliferating Cell Nuclear AntigenEpithelium, CornealKi-67 AntigenMice, Inbred C57BLGastric MucosaBlotting, WesternLens, CrystallineCell CycleReverse Transcriptase Polymerase Chain ReactionRespiratory MucosaCell MovementGene Expression RegulationMethylhydrazinesFibroblast Growth Factor 7Mice, TransgenicCell SurvivalMice, KnockoutGene ExpressionPhosphorylationWound HealingCell Transformation, NeoplasticTime FactorsProstateRNA, Small InterferingCyclin D1Tumor Cells, CulturedUp-RegulationOrgan Culture TechniquesDose-Response Relationship, DrugEpidermal Growth FactorHyperplasiaBronchiMammary Glands, HumanCell Growth ProcessesTransfectionDown-RegulationTransforming Growth Factor betaIntestine, SmallThymidineRectumIntestinesMorphogenesisLungTranscription FactorsDisease Models, AnimalGene Expression Regulation, NeoplasticFibroblastsDimethylhydrazinesMitotic Indexbeta CateninCell CountGrowth SubstancesGingivectomyRats, Sprague-DawleyBreastColonic NeoplasmsProto-Oncogene Proteins c-aktMice, Inbred BALB CDNAPulmonary AlveoliGene Expression Regulation, DevelopmentalEnzyme ActivationFibroblast Growth Factor 10Enzyme InhibitorsBase SequenceGingival HyperplasiaBreast NeoplasmsImmunoenzyme TechniquesDNA-Binding ProteinsIn Situ Nick-End LabelingMolecular Sequence DataIn Situ HybridizationDextran SulfateMitosisFlow CytometryKeratinsMembrane ProteinsLymphocyte ActivationProto-Oncogene Proteins c-myc1,2-DimethylhydrazineReceptor, Epidermal Growth FactorModels, BiologicalHepatocyte Growth FactorCoculture Techniques