MetaplasiaCell Transformation, NeoplasticTransformation, GeneticBarrett EsophagusTransformation, BacterialPrecancerous ConditionsCell Transformation, ViralGastric MucosaGastritisStomach NeoplasmsGastritis, AtrophicGoblet CellsPrimary MyelofibrosisEsophagusHelicobacter pyloriHelicobacter InfectionsStomachCardiaMucinsDuodenitisIntestinesMucin 5ACEsophagoscopyMucous MembraneOssification, HeterotopicEpitheliumAdenocarcinomaBiopsyGastroscopyMucin-2ImmunohistochemistryMucin-6Pyloric AntrumEsophageal NeoplasmsChief Cells, GastricMutationEsophagogastric JunctionCell LineMolecular Sequence DataEpithelial CellsGenes, rasCell Line, TransformedPlasmidsOncogenesHyperplasiaCell DivisionMucusPhenotypeGastroesophageal RefluxFibroblastsBase SequenceGastric MucinsStomach DiseasesDuodenumCells, CulturedDNA Transformation CompetenceKeratin-7KeratinsStomach UlcerSignal Transduction3T3 CellsRespiratory MucosaKeratin-20Apocrine GlandsDNA, BacterialAgrobacteriumHelicobacter felisBronchiTransfectionCell DifferentiationTime FactorsDuodenal UlcerEndoscopy, GastrointestinalBile RefluxHomeodomain ProteinsRNA, MessengerTumor Suppressor Protein p53Disease ProgressionGene Expression Regulation, NeoplasticHistocytochemistryAgrobacterium tumefaciensParietal Cells, GastricTranscription Factors