The Effects of Dienogest on Macrophage and Natural Killer Cells in Adenomyosis: A Randomized Controlled Study
Journal Title: International Journal of Fertility & Sterility - Year 2018, Vol 11, Issue 4
Abstract
Background Progestin has been used for symptomatic treatment of adenomyosis, although its effect on the immune system has not been studied. The aim of this study was to investigate the changes of macrophage and natural killer (NK) cell infiltration in tissues obtained from women with adenomyosis who did or did not receive oral progestin dienogest. Materials and Methods In this randomized controlled clinical trial study, 24 patients with adenomyosis who re- quired hysterectomy were enrolled. Twelve patients received dienogest 28-35 days before surgery, and the other 12 patients were not treated with any hormones. The endometrial and myometrial tissue samples were immediately collected after hysterectomy, and immunohistochemistry for a macrophage marker (CD68) and a NK cells marker (CD57) was performed. Results The number of CD57 cells was significantly increased in endometrial glands of the treated group compared to the untreated group (P=0.005) but not in stroma in the endometrium of the treated patients (P=0.416). The differ- ence in the number of CD68 cells was not statistically significant between treated and untreated groups in the endo- metrial glands (P=0.055) or stromal tissues (P=0.506). Conclusion Administration of oral progestin dienogest to patients with adenomyosis increased the number of uterine infiltrating NK cells in glandular structure of eutopic endometrium. The differential effects of progestin on NK cells depended on the site of immune cell infiltration. The effects of oral progestin on uterine NK cells in adenomyosis have the potentials to be beneficial to pregnancies occurring following discontinuation of treatment in terms of embryo im- plantation and fetal protection (Registration number: TCTR20150921001).
Authors and Affiliations
Areepan Sophonsritsuk
Keywords
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- EP ID EP561974
- DOI 10.22074/ijfs.2018.5137
- Views 143
- Downloads 0
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