MetaplasiaCell ProliferationBarrett EsophagusPrecancerous ConditionsGastric MucosaGastritisCells, CulturedStomach NeoplasmsGoblet CellsGastritis, AtrophicCell DifferentiationSignal TransductionImmunohistochemistryEsophagusCell DivisionPrimary MyelofibrosisApoptosisStomachHelicobacter InfectionsHelicobacter pyloriCell Line, TumorCardiaCell CycleMucinsIntestinesKi-67 AntigenAdenocarcinomaHyperplasiaMice, Inbred C57BLEpitheliumRNA, MessengerEpithelial CellsDuodenitisMucin 5ACMucous MembraneBiopsyOssification, HeterotopicCell MovementLymphocyte ActivationEsophagoscopyBromodeoxyuridineCell Transformation, NeoplasticBlotting, WesternProliferating Cell Nuclear AntigenGastroscopyCell LineReverse Transcriptase Polymerase Chain ReactionCell SurvivalMice, TransgenicMucin-2Mice, KnockoutEsophageal NeoplasmsPyloric AntrumChief Cells, GastricMucin-6Gene Expression Regulation, NeoplasticStem CellsPhosphorylationTime FactorsFlow CytometryGene Expression RegulationT-LymphocytesTumor Cells, CulturedDose-Response Relationship, DrugEsophagogastric JunctionDown-RegulationGene ExpressionMice, Inbred BALB CCell CountDisease Models, AnimalFibroblastsTranscription FactorsCyclin D1Up-RegulationMucusRNA, Small InterferingDuodenumGastroesophageal RefluxTransfectionKeratinsStomach DiseasesCell Growth ProcessesPhenotypeIntestinal MucosaGastric MucinsHomeodomain ProteinsKeratin-7Respiratory MucosaStomach UlcerLungMuscle, Smooth, VascularThymidineMolecular Sequence DataTumor Suppressor Protein p53Rats, Inbred F344Neoplasm ProteinsBronchibeta CateninProto-Oncogene ProteinsProto-Oncogene Proteins c-akt