Intercellular JunctionsTight JunctionsAdherens JunctionsGap JunctionsZonula Occludens-1 ProteinCadherinsNeuromuscular JunctionFreeze FracturingDesmosomesSertoli CellsOccludinSeminiferous EpitheliumEpithelial CellsMembrane ProteinsMicroscopy, ElectronAntispermatogenic Agentsalpha CateninCell CommunicationConnexinsJunctional Adhesion MoleculesDesmoplakinsCateninsCell AdhesionGuanylate KinaseConnexin 43Contraceptive Agents, MaleBlood-Testis BarrierEpitheliumbeta CateninActinsSpermatogenesisCell PolarityCapillary PermeabilityNucleoside-Phosphate KinaseEsophagogastric JunctionCytoskeletal ProteinsCell Adhesion MoleculesCell LineCytoskeletonMicroscopy, ConfocalMicroscopy, Fluorescencegamma CateninAdaptor Protein Complex mu SubunitsIndazolesrap1 GTP-Binding ProteinsDogsCell MembraneCells, Culturedtrans-Golgi NetworkTight Junction ProteinsPhosphoproteinsHolliday Junction ResolvasesHuman Umbilical Vein Endothelial CellsElectric ImpedanceMolecular Sequence DataEndothelial CellsEndotheliumMicroscopy, Electron, TransmissionAdaptor Protein Complex 1Base SequenceCell Membrane PermeabilityTestisHydrazinesModels, BiologicalCell MovementImmunohistochemistryEndothelium, VascularEndothelium, CornealAmino Acid SequenceProtein TransportSignal TransductionMicroscopy, ImmunoelectronMicrofilament ProteinsDNA, CruciformFluorescent Antibody TechniqueMutationClaudin-1Protein BindingPigment Epithelium of EyeViral Envelope ProteinsProtein Structure, TertiaryAntigens, CDBasement MembraneDrosophila ProteinsMutant ProteinsMicroscopy, Electron, ScanningSubcellular FractionsPhosphorylationKeratinocytesCell ShapeDrosophilaRNA, MessengerZebrafishCaenorhabditis elegansMorphogenesisBlotting, WesternRats, Sprague-DawleyZonula Occludens-2 ProteinCell DifferentiationKidney