Variation of Anti-inflammatory Cytokines in Relationship with Menopause

Abstract

Aim. The aim of this study was to assess serum levels of the key anti-inflammatory cytokines in women of reproductive age and in pre and postmenopausal women. Material and Method. 175 women were enrolled and were divided into 5 groups (1 – Fertile women; 2 – Pre- and perimenopausal women; 3 – Postmenopausal women; 4 – Surgically-induced menopause; 5 – Chronic inflammation). Multiplex cytokine kits were used to evaluate serum levels of interleukin-4, -10 and -13. We determined the serum levels of follicle stimulating hormone, of luteinizing hormone, 17β-estradiol, progesterone, dehydroepiandrosterone and dehydroepiandrosterone sulfate using sandwich ELISA. Results. IL-4, IL-10 and IL-17 present a statistically significant decrease (p=0.00, p=0.00, respectively p=0.0053) in women with natural or surgically induced menopause (groups 3 and 4), compared with fertile women and premenopausal women (Groups 1, 2 and 5). Serum levels of IL-4 and IL-10 are significantly higher in fertile patients with associated chronic inflammatory diseases (133.5±1.314 pg/ml, respectively 6.406±13.47 pg/ml) than in fertile patients without chronic inflammatory diseases or premenopausal women (84.67±1.22 pg/ml, respectively 0.627±0.714). Conclusions. IL-4 and IL-10, together with IL-17, show significantly lower serum values in patients with natural or surgically induced menopause compared with patients of childbearing age or in premenopause. IL-4 and IL-10 show significantly higher serum values for patients of childbearing age presenting chronic inflammatory pathology compared with patients of childbearing age without chronic inflammatory pathology or premenopausal patients.