IL10 and endometriosis: In our previous study, using a surgically induced murine model, we showed that interleukin-10 (IL-10)-secreting pDCs are the major subset among infiltrated CD45+ cells in endometriotic lesions and that IL-10 from pDCs promotes endometriosis pathogenesis through angiogenesis in an IL-10R-dependent manner during the early stage of disease [6,7].