Transendothelial and Transepithelial MigrationCell Migration Assays, LeukocyteNeutrophilsCell MovementDiffusion Chambers, CultureChemotaxis, LeukocyteEpithelial CellsAntigens, CD18Electric ImpedanceNeutrophil InfiltrationIntestinal MucosaEpitheliumAntigens, CD47Cell Adhesion8,11,14-Eicosatrienoic AcidN-Formylmethionine Leucyl-PhenylalanineChemotactic FactorsArachidonate 12-LipoxygenaseCells, CulturedAntigens, CD11bRespiratory MucosaShigella flexneriCell PolarityMacrophage-1 AntigenCell Adhesion MoleculesTight JunctionsEndothelium, VascularInterleukin-8Cell LineCell CommunicationSignal TransductionCell Migration InhibitionEndothelial CellsBacterial AdhesionHL-60 CellsCapillary PermeabilityMicroscopy, ElectronOccludinCell Membrane PermeabilityEndotheliumZonula Occludens-1 ProteinBiological TransportChloridesCaco-2 CellsIntercellular Adhesion Molecule-1Intercellular JunctionsPermeabilityAmilorideAnimal MigrationIntegrin alpha4beta1Umbilical VeinsAntigens, CD31LeukocytesSodiumClaudin-5MonocytesLymphocyte Function-Associated Antigen-1Foreign-Body MigrationIon TransportMalpighian TubulesChemokine CXCL12ChemotaxisVascular Cell Adhesion Molecule-1CadherinsChemokines, CXCMembrane ProteinsSerous MembraneClaudin-1Blood-Brain BarrierKidney Tubules, CollectingAntigens, CDMannitolBiological Transport, ActiveIntegrinsLeukocyte RollingActinsCell Line, TumorReceptors, Lymphocyte HomingClaudinsCoculture TechniquesPhosphorylationEpithelial Sodium ChannelsJunctional Adhesion MoleculesMice, Inbred C57BLrac1 GTP-Binding ProteinAdherens JunctionsModels, BiologicalElectric ConductivityCell MembraneMice, KnockoutBumetanideTime FactorsCytoskeletonHuman Umbilical Vein Endothelial CellsAntigens, CD11Complement C5aChemokinesChemokine CCL2Membrane PotentialsAbsorption