Gastric MucosaEpitheliumStomachHelicobacter pyloriVagotomy, TruncalGastritisHelicobacter InfectionsTetragastrinMucin-6Helicobacter felisStomach NeoplasmsMetaplasiaParietal Cells, GastricEpithelial CellsMucinsGastrinsPyloric AntrumImmunohistochemistryGastric AcidStomach UlcerIntestinal MucosaPrecancerous ConditionsBacterial AdhesionAdhesins, BacterialEpithelium, CornealBacterial ProteinsRNA, MessengerReverse Transcriptase Polymerase Chain ReactionAntigens, BacterialAdenocarcinomaMice, TransgenicMice, Inbred C57BLSeminiferous EpitheliumCell ProliferationRetinal Pigment EpitheliumSignal TransductionOlfactory MucosaRespiratory MucosaTracheaCorneaBronchiCiliary BodyIn Situ HybridizationMicroscopy, ElectronConjunctivaNasal MucosaCell DifferentiationKeratinsCells, CulturedMicroscopy, Electron, ScanningMorphogenesisOrgan Culture TechniquesMucous MembraneColonMouth MucosaGene Expression Regulation, DevelopmentalEsophagusLungMammary Glands, AnimalHistocytochemistryRabbitsTongueEye ProteinsEpithelial AttachmentUterusMesodermImmunoenzyme TechniquesLimbus CorneaeFluorescent Antibody Technique, IndirectGene ExpressionFallopian TubesCiliaLens, CrystallineRetinaIntestine, SmallChloridesWound HealingIntestinesChoroidTight JunctionsEndometriumBarrett EsophagusRespiratory SystemCorneal DiseasesGoblet CellsFluorescent Antibody TechniqueEyeCell DivisionPalateBlotting, WesternIntercellular JunctionsMice, KnockoutTime FactorsSertoli CellsPulmonary AlveoliStem CellsBasement MembraneMembrane ProteinsCell PolarityEpididymis