PermeabilityClaudinsCell Membrane PermeabilityClaudin-1Claudin-3Claudin-4Capillary PermeabilityTight JunctionsClaudin-5Membrane ProteinsOccludinZonula Occludens-1 ProteinElectric ImpedanceBlood-Brain BarrierZonula Occludens-2 ProteinCaco-2 CellsClaudin-2Blood-Testis BarrierEpithelial CellsLactuloseMannitolMitochondrial Membrane Transport ProteinsIntercellular JunctionsDentin PermeabilityEpitheliumEvans BlueCalciumWaterIntestinal MucosaCells, CulturedAdherens JunctionsTissue EmbeddingOsmosisDogsHypercalciuriaTakifuguIntestinal AbsorptionAquaporinsMitochondrial SwellingGitelman SyndromeNephrocalcinosisCell LineFreeze FracturingBiological TransportEndothelial CellsMembrane PotentialsAquaporin 1DextransRats, Sprague-DawleyLoop of HenlePotassiumTime FactorsSodiumImmunohistochemistryGillsBlood-Retinal BarrierEndothelium, VascularIon ChannelsCell MembraneFluoresceinChloridesDiffusionMice, Inbred C57BLMolecular Sequence DataCadherinsAlbuminsCyclophilinsKidneySertoli CellsMicroscopy, FluorescencePhosphoproteinsRNA, MessengerAbsorptionPulmonary AlveoliReverse Transcriptase Polymerase Chain ReactionMice, KnockoutMicroscopy, ConfocalIntracellular MembranesNeuroepithelial CellsFluoresceinsInulinMitochondriaFluorescein-5-isothiocyanateBlotting, WesternVascular Endothelial Growth Factor ABlood-Air BarrierSkin AbsorptionAmino Acid SequenceGene Knockdown TechniquesModels, BiologicalProtein IsoformsFluorescent Antibody Technique, IndirectAdenoma, OxyphilicMitochondria, LiverPulmonary EdemaElectric ConductivitySucroseMembranes, ArtificialRabbitsCyclosporine