• Rehana Rahman, Ali Usman, Aisha Sheikh, and Rozeena Baig.
• Department of Biological & Biomedical Sciences, The Aga Khan University, Karachi, Pakistan.
• J Coll Physicians Surg Pak. 2021 Aug 1; 31 (8): 910-915.

ObjectiveTo compare 'cytokines' and 'bone turnover markers' in pre- and post-menopausal women and identify their relationship with bone mineral density (BMD) in both groups.  Study Design: A cross-sectional study.Place And Duration Of StudyDepartment of Biological & Biomedical Sciences, The Aga Khan University, Karachi, Pakistan, from June 2017 to August 2019.MethodologyGroups comprised of healthy premenopausal and postmenopausal women from the general population belonging to different ethnic groups and socio-economic status. Serum cytokines and bone turnover markers were assessed by solid-phase immunoassays, BMD (gm /cm2)] measurement was performed by dual-energy X-ray absorptiometry at the hip, lumbar spine, and proximal femur. Results were interpreted as a sum of T scores calculated by BMD of the above-mentioned sites.ResultsCytokines and bone turnover markers were significantly high in post-menopausal women (p<0.001). A negative correlation (r = 0.32) of TNF α with BMD (total T scores) observed in premenopausal women was found to be significant, however, no significant association of BMD was detected in post-menopausal women.ConclusionThere is an increase in the production of cytokines and bone turnover markers after menopause. TNF-α follows this usual pattern of increase in post-menopausal women and can predict impending bone loss and osteopenia in premenopausal females. Therefore, estimation of this cytokine in pre-menopausal women can give a fair indication of a decline in BMD, bone health, and risk of future osteoporosis. Key Words: Bone mineral density, Cytokines, Bone turnover markers, Osteoporosis.

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