期刊
METABOLISM-CLINICAL AND EXPERIMENTAL
卷 113, 期 -, 页码 -出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.metabol.2020.154392
关键词
Reproduction; Fasting; Infertility; Energy; Anorexia; Exercise
资金
- NIH [K24DK081913]
- Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) [PE2431/3-1:1]
Background: Chronic energy deficiency observed in women that exercise strenuously affects reproductive func-tion, often leading to hypothalamic amenorrhea (HA). In such conditions, hypoleptinemia and robust changes in the Activin-Follistatin-Inhibin Axis (AFI) are observed. Treatment with leptin restores menstruation in many (60% responders) but not all (40% non-responders) women, suggesting that leptin is not the only regulator of reproductive function related to energy balance. In this work, we aimed to identify differences in hormonal profiles between leptin responders and non-responders among women with HA, with particular focus on the AFI axis. Methods: AFI axis and reproductive hormones (LH, FSH, Estradiol, AMH) were measured in blood in: a) An open label interventional study, b) a randomized placebo-controlled trial, both investigating responders versus nonresponders/women with HA treated with leptin. Results: Women with HA that responded to leptin treatment have higher circulating levels/peak values of Inhibin A, Estradiol (E2), higher LH/FSH ratio and a trend to lower AMH compared with non-responders. Conclusions: Components of the AFI axis are associated with improvement of reproductive function in women with HA treated with leptin. AMH may serve as a marker of ovarian recovery under HA treatment. (c) 2020 Elsevier Inc. All rights reserved.
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