Intestinal dendritic cell licensing through Toll-like receptor 4 is required for oral tolerance in allergic contact dermatitis. - Hacini-Rachinel F; Gomez de Agüero M; Kanjarawi R; Moro-Sibilot L; Le Luduec JB; Macari C; Boschetti G; Bardel E; Langella P; Dubois B; Kaiserlian D (The Journal of allergy and clinical immunology, 2018)