EpitheliumEpithelial CellsRespiratory MucosaKeratinsCell PolarityChloridesCystic Fibrosis Transmembrane Conductance RegulatorCystic FibrosisIntestinal MucosaAmilorideNasal MucosaImmunohistochemistryCells, CulturedEpithelium, CornealEar, InnerConjunctivaIntercellular JunctionsTracheaCell LineTight JunctionsRNA, MessengerEpidermisIon TransportEpithelial Sodium ChannelsMembrane ProteinsRespiratory SystemMouth MucosaKeratinocytesKidneyIn Situ HybridizationCell DifferentiationSweat GlandsChloride ChannelsOmasumMolecular Sequence DataMorphogenesisColonDesmosomesSodiumCell MembraneFluorescent Antibody TechniqueBiological TransportReverse Transcriptase Polymerase Chain ReactionGene Expression Regulation, DevelopmentalCaco-2 CellsSignal TransductionEsophagusCiliaGene ExpressionMucous MembraneDigestive SystemSaccule and UtricleUrogenital SystemCadherinsCorneaLimbus CorneaeMucinsGillsSkinMicroscopy, ElectronHair Cells, AuditoryDogsAmino Acid SequenceLungOlfactory MucosaPalateTongueTissue DistributionMice, KnockoutIntestinesBlotting, WesternCornified Envelope Proline-Rich ProteinsMesodermSodium ChannelsMicroscopy, ConfocalCell Membrane PermeabilityKeratin-8Mice, TransgenicBase SequenceMice, Inbred C57BLGene Expression Regulationbeta-DefensinsModels, BiologicalUterusCell AdhesionSkin Physiological PhenomenaOrgan SpecificityMammary Glands, AnimalDrosophila ProteinsColforsinMicroscopy, Electron, ScanningAnionsVaginaOrgan Culture TechniquesAdherens JunctionsClaudinsCell Adhesion MoleculesDiffusion Chambers, CultureGoblet CellsMucus