OccludinClaudinsTight JunctionsClaudin-1Claudin-3Zonula Occludens-1 ProteinClaudin-4Claudin-5Membrane ProteinsDown-RegulationZonula Occludens-2 ProteinElectric ImpedancePermeabilityBlood-Testis BarrierCaco-2 CellsTight Junction ProteinsPhosphoproteinsEpithelial CellsCell Membrane PermeabilityFreeze FracturingMARVEL Domain Containing 2 ProteinRNA, MessengerCell LineAdherens JunctionsCells, CulturedDogsBlood-Brain BarrierCadherinsCell Line, TumorBlotting, WesternReverse Transcriptase Polymerase Chain ReactionImmunohistochemistryBlood-Retinal BarrierGene Expression RegulationRNA, Small InterferingSignal TransductionIntercellular JunctionsGene Knockdown TechniquesClaudin-2Sertoli CellsJunctional Adhesion MoleculesPhosphorylationEpitheliumRats, Sprague-DawleyFluorescent Antibody Technique, IndirectTransfectionIntestinal MucosaMolecular Sequence DataMicroscopy, FluorescenceCell ProliferationMicroscopy, ConfocalUp-RegulationEndothelial CellsMice, Inbred C57BLImmunoblottingGene ExpressionFluorescent Antibody TechniqueTissue EmbeddingApoptosisRNA InterferenceGene Expression Regulation, NeoplasticKidneyProtein TransportGene Expression Regulation, DevelopmentalTakifuguHypercalciuriaProtein BindingCell PolarityGene Expression ProfilingGitelman SyndromeCell DifferentiationEpithelium, CornealMice, KnockoutProtein IsoformsGene SilencingAmino Acid SequenceNephrocalcinosis