Tight JunctionsOccludinTight Junction ProteinsZonula Occludens-1 ProteinIntercellular JunctionsClaudinsClaudin-1Gap JunctionsAdherens JunctionsZonula Occludens-2 ProteinMembrane ProteinsClaudin-3Claudin-4Claudin-5Freeze FracturingElectric ImpedanceNeuromuscular JunctionPermeabilityEpithelial CellsJunctional Adhesion MoleculesMARVEL Domain Containing 2 ProteinCell Membrane PermeabilityPhosphoproteinsCaco-2 CellsZonula Occludens ProteinsDogsEpitheliumCadherinsCell PolarityConnexinsBlood-Brain BarrierBlood-Testis BarrierMicroscopy, ElectronConnexin 43Claudin-2Intestinal MucosaCell LineCell CommunicationMannitolEsophagogastric JunctionBlood-Retinal BarrierCell Adhesion MoleculesMicroscopy, FluorescenceCells, CulturedSertoli CellsMicroscopy, ConfocalDesmosomesHolliday Junction ResolvasesActinsInulinFluorescent Antibody TechniqueLanthanumalpha CateninMolecular Sequence DataNucleoside-Phosphate KinaseCell AdhesionMadin Darby Canine Kidney CellsCapillary PermeabilityCell MembraneCytoskeletal ProteinsDesmoplakinsImmunohistochemistryMyosin-Light-Chain KinaseCytoskeletonModels, BiologicalEnterocytesbeta CateninEndothelial CellsSeminiferous EpitheliumMicroscopy, Electron, TransmissionIntestinesMicroscopy, ImmunoelectronProtein TransportKidneyBase SequenceSignal TransductionBlotting, WesternPhosphorylationAmino Acid SequenceDNA, CruciformCateninsOsmium CompoundsDextransProtein BindingRNA, MessengerImmunoblottingCalciumGuanylate KinaseFluorescent Antibody Technique, IndirectTime FactorsTransfectionPDZ DomainsMutationGene Expression RegulationBlood-Air BarrierFluorescein-5-isothiocyanateMice, Inbred C57BLBiological TransportIleumColon