It has been reported that the concentration of DCs in the peritoneal fluid or endometrial lesions of women with endometriosis does not differ significantly from that of women without endometriosis, whatever is identified by the HLA-DR+CD11c+CD123+ lineage (95) or specific surface antigens (BDCA1, BDCA2, and BDCA3) (96). Here, CD1C is linked to endometriosis.