Immunomagnetic SeparationEpithelial CellsEpitheliumAntigens, SurfaceBacterial AdhesionBiological MarkersCell MembraneCell LineFlow CytometryMucin-1Antibodies, MonoclonalCell SeparationCell DifferentiationFimbriae, BacterialGenetic MarkersCells, CulturedAntigens, CDCell AdhesionMolecular Sequence DataMicroscopy, ElectronNeoplastic Cells, CirculatingImmunophenotypingTumor Markers, BiologicalMolecular WeightT-LymphocytesProtein BindingStem CellsAntigens, CD34MagneticsAntigens, CD24PhenotypeBone Marrow CellsFluorescent Antibody TechniqueImmunohistochemistryMice, Inbred C57BLNeoplastic Stem CellsCell Culture TechniquesRNA, MessengerReceptors, Antigen, B-CellAntigens, NeoplasmHematopoietic Stem CellsB-LymphocytesLeukemia, LymphoidLymphocytesIntegrin alpha6Reverse Transcriptase Polymerase Chain ReactionMembrane ProteinsAntigens, CD44Receptors, Cell SurfaceMice, Inbred BALB CRosette FormationAntigens, CD45Cell ProliferationCell LineagePolymerase Chain ReactionCryptosporidium parvumMembrane GlycoproteinsCell DivisionMesenchymal Stromal CellsCell Line, TumorLymphocyte ActivationCell Adhesion MoleculesAntigens, Thy-1CytokinesSensitivity and SpecificityTime FactorsSignal TransductionDendritic CellsEscherichia coli O157Stage-Specific Embryonic AntigensGlycoproteinsImmunologic TechniquesGene Expression RegulationAntigens, DifferentiationThymus GlandTumor Cells, CulturedBase SequenceGene ExpressionMice, TransgenicMice, SCIDCD4-Positive T-LymphocytesMonocytesOocystsLeukapheresisMicroscopy, FluorescenceMicrospheresCell CountCell MovementFetal BloodSpheroids, CellularStaining and LabelingHLA-DR AntigensIntestinal MucosaT-Lymphocyte SubsetsBifidobacteriales InfectionsKeratinsMacrophagesColony-Forming Units AssayRespiratory MucosaTransfection