期刊
JOURNAL OF IMMUNOLOGY
卷 198, 期 11, 页码 4277-4284出版社
AMER ASSOC IMMUNOLOGISTS
DOI: 10.4049/jimmunol.1600498
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资金
- Ministry of Health, Labor and Welfare
- Ministry of Education, Culture, Sports, Science and Technology
- Yamaguchi Endocrine Research Foundation
- Nakatomi Foundation
- Shiseido Female Researcher Science grant
- Siseikai Scientific Award
- Grants-in-Aid for Scientific Research [17K16834, 16K15701, 16H05469, 16H04679, 16K15700] Funding Source: KAKEN
Hysterosalpingography (HSG) with oil-soluble contrastmedium(OSCM) is known to enhance fertility, although themechanismis unclear. OSCM remains in the peritoneal cavity for several months after HSG. We hypothesized that OSCM that remains in the peritoneal cavity modulates dendritic cell (DC) and regulatory T cell (Treg) profiles and contributes to enhanced fertility. We characterized the profiles of DCs and Tregs in the peritoneal fluid from women who had undergone HSG. In vitro and in vivo effects of OSCM on monocyte-derived DCs and mouse peritoneal T cells were also evaluated. In comparison with women who have never experienced HSG, samples fromwomen who had undergoneHSG containedmyeloid DCs with greater complexity and maturation, as well as had amarginally greater proportion of Tregs in their peritoneal fluid. OSCM is incorporated by monocytederived DCs, which causes their maturation and contributes to the increase in Treg proportions. Samples from OSCM-injected mice contained greater proportions of Tregs in comparison with controls. These studies demonstrate that OSCMmodulates T cell profiles that are compatible with the condition observed in women who have undergone HSG. This study demonstrates that exogenous lipids administered to the peritoneal cavity are incorporated by DCs and that they significantly alter the immune environment in the peritoneal cavity. This immunological impact may contribute to enhanced fertility and the development of alternative therapeutic strategies for managing other pathological conditions associated with immunological abnormalities in the peritoneal cavity.
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