title: Phenotypic localization of distinct DC subsets in mouse Peyer Patch.
abstract: Peyer's patch have been extensively studied as a major inductive site for mucosal immunity within the small intestine. The intestinal mucosa contains numerous dendritic cells, which induce either protective immunity to infectious agents or tolerance to innocuous antigens, including food and commensal bacteria. Although during the past few years, several subsets of human mucosal dendritic cells have been described, a precise characterization of the different mouse mucosal dendritic cells subpopulations remains to be achieved with regard to their phenotype and localization in Peyer's patch. In this report, we have investigated by immunofluorescence on cryosection and by flow cytometry, the phenotype and the localization of dendritic cells into Peyer's patch of C57Bl/6 mouse intestine using dendritic cells markers. Positive and double staining for CD11c and BDCA-2, pDC/IPC, DC-LAMP, DC-SIGN, TLR8 and Langerin have been observed revealing new mouse intestinal DC subsets. This study provides new insight in the understanding of mucosal immune responses induced by natural processes as infections but also new perspectives for the evaluation of oral vaccines.
authors: GIMAP, EA3064, Faculté de médecine, Universités de Lyon, 42023 Saint-Etienne, France.
authors: Nicolas
authors: N
authors: Rochereau
authors: Bernard
authors: B
authors: Verrier
authors: Jean-Jacques
authors: JJ
authors: Pin
authors: Christian
authors: C
authors: Genin
authors: Stéphane
authors: S
authors: Paul
mesh_terms: D000818:Animals; D000954:Antigens, Surface / Q000276:immunology; D039521:CD11c Antigen / Q000276:immunology; D015815:Cell Adhesion Molecules / Q000276:immunology; D002454:Cell Differentiation; D003713:Dendritic Cells / Q000145:classification / Q000166:cytology* / Q000276:immunology; D018928:Immunity, Mucosal; D007413:Intestinal Mucosa / Q000166:cytology* / Q000276:immunology; D037181:Lectins, C-Type / Q000276:immunology; D037241:Mannose-Binding Lectins / Q000276:immunology; D051379:Mice; D008810:Mice, Inbred C57BL; D010581:Peyer's Patches / Q000166:cytology*; D011956:Receptors, Cell Surface / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology*; D051200:Toll-Like Receptor 8 / Q000276:immunology; D000099215:DC-Specific ICAM-3 Grabbing Nonintegrin
chemical_list: D000954:Antigens, Surface; D039521:CD11c Antigen; D015815:Cell Adhesion Molecules; D037181:Lectins, C-Type; D037241:Mannose-Binding Lectins; D011956:Receptors, Cell Surface; D051200:Toll-Like Receptor 8; D000099215:DC-Specific ICAM-3 Grabbing Nonintegrin; C498497:Cd207 protein, mouse; C552579:TLR8 protein, mouse