Circulating IL-6 concentrations and associated anthropometric and metabolic parameters in South Asian men and women in comparison to European whites

Peters, M.J.L., Ghouri, N., McKeigue, P., Forouhi, N.G. and Sattar, N. (2013) Circulating IL-6 concentrations and associated anthropometric and metabolic parameters in South Asian men and women in comparison to European whites. Cytokine, 61(1), pp. 29-32. (doi:10.1016/j.cyto.2012.09.002)

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Abstract

Objective: To determine any ethnic differences in circulating interleukin (IL)-6 concentrations among SAs and Europeans, and to assess their relationship with body composition and insulin resistance measures.

Methods: Body composition was assessed among 80 SA and European men and women using anthropometry, dual-energy X-ray absorptiometry and abdominal CT scan. Oral glucose tolerance tests with insulin response were performed to assess insulin resistance measures. IL-6 levels were measured by high sensitivity ELISA.

Results: Median IL-6 values were higher in SA compared with European women: 1.94 mg/l versus 1.51 mg/l, p = 0.041, but not so in men (1.56 mg/l versus 1.57 mg/l). Only measures of obesity, in particular percentage fat area (r = 0.6, p = 0.003), were positively correlated with IL-6 in SAs. Differences in body fat percentage (visceral and total) could explain up to 30% of the IL-6 difference between Asian and European women.

Conclusion: SA women have elevated circulating IL-6 levels, in part due to greater visceral and percent fat levels compared with European women. This observation may in part explain why Asians are at elevated cardiovascular disease risk. Future studies should address the effects of lifestyle factors (physical activity, diet) on plasma IL-6 concentrations in SA women.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Ghouri, Dr Nazim and Sattar, Professor Naveed
Authors: Peters, M.J.L., Ghouri, N., McKeigue, P., Forouhi, N.G., and Sattar, N.
College/School:College of Medical Veterinary and Life Sciences > Institute of Cardiovascular and Medical Sciences
Journal Name:Cytokine
ISSN:1043-4666
ISSN (Online):1096-0023
Published Online:29 September 2013

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