Epithelial CellsIntestinal MucosaCaco-2 CellsIntestinesHT29 CellsEpitheliumCell LineInterleukin-8EnterocytesColonIntestine, SmallChemokine CCL20RNA, MessengerCell PolaritySucrase-Isomaltase ComplexBacterial AdhesionReceptors, Polymeric ImmunoglobulinReceptor, Serotonin, 5-HT2ANF-kappa BMicrovilliCells, CulturedCamptothecaAnoikisBlotting, WesternSignal TransductionProbioticsLactobacillus acidophilusTight JunctionsGene Expression RegulationReceptor, Serotonin, 5-HT1AImmunity, MucosalFlagellinReverse Transcriptase Polymerase Chain ReactionButyratesReceptors, Serotonin, 5-HT1EnterotoxinsReceptors, Serotonin, 5-HT3Biological TransportCryptosporidium parvumBacterial ToxinsReceptor, Serotonin, 5-HT1BCell DifferentiationLactobacillus caseiTumor Necrosis Factor-alphaMembrane ProteinsColonic NeoplasmsUp-RegulationMicroscopy, ElectronCell MembraneGene ExpressionSodium-Hydrogen AntiporterInterleukin-1Salmonella InfectionsApoptosisIntestinal AbsorptionTime FactorsTransfectionReceptor, Serotonin, 5-HT2CElectric ImpedanceTumor Cells, CulturedFluorescent Antibody TechniqueCampylobacter jejuniCell AdhesionDose-Response Relationship, DrugCytokinesCholera ToxinChloridesPhosphorylationMolecular Sequence DataCarrier ProteinsSymportersBlotting, NorthernCell Membrane PermeabilityCell SurvivalMacrophage Inflammatory ProteinsSalmonella typhiProtein BindingBase SequenceEscherichia coliBacterial ProteinsMembrane GlycoproteinsActinsCell Line, TumorTranscription, GeneticRespiratory MucosaLipopolysaccharidesReceptors, Cell SurfaceSerotonin 5-HT2 Receptor AntagonistsDNA PrimersEnzyme InhibitorsInflammationPromoter Regions, GeneticKineticsSerotonin 5-HT1 Receptor AgonistsEnzyme-Linked Immunosorbent AssayIleumRecombinant ProteinsColitisInterferon-gammaOligonucleotide Array Sequence Analysis