Journal
MATURITAS
Volume 41, Issue 3, Pages 187-192Publisher
ELSEVIER SCI IRELAND LTD
DOI: 10.1016/S0378-5122(01)00286-9
Keywords
serum cytokine; postmenopausal; sex hormones
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Objective: The present study was undertaken to evaluate the pattern of serum cytokine production in postmenopausal women and the relationship with the hormonal status. A group of fertile women served as controls. Methods: Eighty-two women in apparent good health, non-smokers and without a history of hormone replacement therapy, were enrolled for the study. The women were divided in two groups according to their hormonal status: fertile women (n = 34, age 32 +/- 7 years) and postmenopausal women (n = 48, age 54 +/- 8 years). Blood samples were withdrawn in the morning, after an overnight fast. Results: Sex hormones (LH, FSH, Estradiol, Progesterone, DHEA, DHEA-S), as well as GH and IGF-I levels, were significantly higher in the serum of fertile women as compared with their postmenopausal counterparts. Unlike IL-2, IL-4, IL-5, IL-10, IL-12 and IFN-gamma, significant differences were observed in serum IL-6, IL-18, TNFalpha and TNFbeta between groups: both IL-6 and IL-18 were higher in postmenopausal women, while TNFalpha and TNFbeta were significantly lower. There was an inverse relationship between serum DHEA and DHEA-S levels and both IL-6 (r = -0.46, P<0.02) or IL-18 (r = -0.38, P<0.05) serum concentrations. Conclusions: Compared with fertile counterparts, women in postmenopause present an alteration in serum cytokine profile suggesting a prevalence of Th2 lymphocytes. (C) 2002 Elsevier Science Ireland Ltd. All rights reserved.
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