Adherens JunctionsIntercellular JunctionsCadherinsTight Junctionsalpha CateninCateninsGap Junctionsbeta CateninDesmoplakinsZonula Occludens-1 Proteingamma CateninCytoskeletal ProteinsArmadillo Domain ProteinsDesmosomesCell AdhesionCell Adhesion MoleculesVinculinOccludinEpithelial CellsMembrane ProteinsActinsCell PolarityNeuromuscular JunctionCell CommunicationPhosphoproteinsCytoskeletonSignal TransductionCell LineDrosophila ProteinsCells, CulturedTrans-ActivatorsDesmogleinsMicrofilament ProteinsMolecular Sequence DataConnexin 43DesmocollinsMicroscopy, FluorescenceTransfectionCapillary PermeabilityPlakophilinsPhosphorylationClaudin-1DogsMutationTight Junction ProteinsProtein BindingImmunohistochemistryConnexinsMorphogenesisCell MovementZonula Occludens-2 ProteinEndothelial CellsActin CytoskeletonFluorescent Antibody TechniqueAmino Acid Sequencerac1 GTP-Binding Proteinrho GTP-Binding ProteinsProtein TransportEpitheliumAntigens, CDBlotting, WesternCell Line, TumorBase SequenceElectric ImpedanceRNA, MessengerModels, BiologicalGene ExpressionMice, TransgenicMicroscopy, ElectronDrosophilaDrosophila melanogasterMicroscopy, ConfocalCell ShapeProtein Structure, Tertiaryrap1 GTP-Binding ProteinsRNA, Small InterferingTranscription FactorsCell MembraneRNA InterferenceEmbryo, NonmammalianEndothelium, VascularJunctional Adhesion MoleculesrhoA GTP-Binding ProteinPhenotypeRecombinant Fusion Proteinscdc42 GTP-Binding ProteinSeminiferous EpitheliumNeuroepithelial CellsReverse Transcriptase Polymerase Chain ReactionGene Expression RegulationImmunoprecipitationrac GTP-Binding ProteinsCell DifferentiationCarrier ProteinsGastrulationGreen Fluorescent ProteinsDesmosomal CadherinsVestibular Nucleus, Lateralsrc-Family KinasesImmunoblotting