Abstract
Serum levels of leptin are decreased in underweight AN patients and increase with weight restoration. To assess the relationship of decreased leptin levels with other hormonal abnormalities in AN and to evaluate the possible role of increasing leptin levels, alone or in combination with other hormones, in the resumption of menses that accompanies weight gain, we studied cross-sectionally sixty-five consecutively enrolled AN patients. Subjects were divided in three groups: (I) underweight and amenorrheic; (II) weight-recovered but still amenorrheic; and (III) weight-recovered and eumenorrheic women. Patients in group I had decreased BMI, serum leptin, estradiol (E2), insulin-like growth factor 1 (IGF-1) and urinary growth hormone (GH) levels and increased sex hormone-binding globulin (SHBG) levels, compared to AN patients in groups II and III. Moreover, although no differences in leptin levels or BMI were observed between amenorrheic and eumenorrheic weight-recovered patients (groups II and III), free E2 and GH levels were higher (P<0.02) in weight-recovered, eumenorrheic women. thus, it appears that leptin is a necessary, but not a sufficient, factor for the resumption of menses in an patients.
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Audi, L., Mantzoros, C., Vidal-Puig, A. et al. Leptin in relation to resumption of menses in women with anorexia nervosa. Mol Psychiatry 3, 544–547 (1998). https://doi.org/10.1038/sj.mp.4000418
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DOI: https://doi.org/10.1038/sj.mp.4000418
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