EpitheliumIntestinal MucosaIntestine, SmallIntestinesEnterocytesCaco-2 CellsEpithelial CellsPaneth CellsColonIntestinal NeoplasmsJejunumEpithelium, CornealIleumMicrovilliGoblet CellsEnteroendocrine CellsImmunohistochemistryTight JunctionsIntestinal AbsorptionEnterocolitis, NecrotizingCell DifferentiationMice, TransgenicSeminiferous EpitheliumTranscytosisDuodenumHT29 CellsMice, Inbred C57BLSignal TransductionRetinal Pigment EpitheliumIntestinal DiseasesTiliaIntestine, LargeMice, KnockoutImmunity, MucosalRNA, MessengerEnteritisCell LineMicroscopy, ElectronPeyer's PatchesReverse Transcriptase Polymerase Chain ReactionCell ProliferationHomeostasisGene Expression RegulationIn Situ HybridizationOlfactory MucosaHomeodomain ProteinsCells, CulturedStem CellsBacterial Adhesionbeta CateninGene ExpressionFluorescent Antibody TechniqueColitisMucinsApoptosisBiological TransportGene Expression Regulation, DevelopmentalDextran SulfateEndodermWnt ProteinsPermeabilityAvian ProteinsIntercellular JunctionsGastrointestinal TractCell PolarityFatty Acid-Binding ProteinsRespiratory MucosaBacterial TranslocationMembrane ProteinsSalmonella typhimuriumInflammatory Bowel DiseasesDigestive SystemSwineBlotting, WesternCecumCarrier ProteinsMice, Inbred BALB CCesium IsotopesCell DivisionCell MovementGerm-Free LifeEnterohemorrhagic Escherichia coliShigella flexneriMolecular Sequence DataAnimals, NewbornRegenerationMicroscopy, Electron, ScanningZonula Occludens-1 ProteinTranscription FactorsDisease Models, AnimalSucraseTime FactorsBase SequenceColonic NeoplasmsEnterocolitisImmunoenzyme TechniquesElectric ImpedanceMorphogenesisRabbitsHistocytochemistry