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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/11149

Title: Variations in levels of IL-6 and TNF-α in type 2 diabetes mellitus between rural and urban Ashanti Region of Ghana
Authors: Darko, Samuel N.
Yar, Denis D.
Owusu-Dabo, Ellis
Afum-Adjei Awuah, Anthony
Dapaah, Williams
Addofoh, Nicholas
Salifu, Samson Pandam
Awua-Boateng, Nana Y.
Adomako-Boateng, Fred
Issue Date: 2015
Publisher: BMC Endocrine Disorders
Citation: BMC Endocrine Disorders (2015), 15:50, DOI 10.1186/s12902-015-0047-9
Abstract: Background: A surge in pro-inflammatory markers, Il-6 and TNF-α, has been associated with type 2 diabetes mellitus (T2DM). However, there is no data on the dynamics of these markers in T2DM Ghanaian populations. The aim of this study was to determine variations in the levels of IL-6 and TNF-α in T2DM patients. This study also examined the associations of IL-6 and TNF-α with anthropometric measurement and the effect of co-morbidity with hypertension using rural and urban dwellers in the Ashanti region, Ghana. Methods: A nested case–control design using participants aged 25–70 years consisting of 77 T2DM ± hypertension patients and 112 controls were selected from a larger study on Research on Obesity and Diabetes among African Migrants (RODAM). Anthropometric measurements, blood pressure and body fat percentage were measured. Fasting blood samples were analyzed for glucose, IL-6 and TNF-α levels. Results: The median level of IL-6 was significantly higher (p < 0.0001) among rural dwellers compared to urban dwellers. Inversely, urban dwellers had significantly higher (p = 0.0424) median level of TNF-α compared to rural cases. No significant differences were observed in IL-6 (p = 0.3571) and TNF-α (p = 0.2581) among T2DM patients compared with T2DM± hypertension patients. A weak negative correlation was found between IL-6 and BMI in urban T2DM. Discussion: The average level of IL-6 was higher in rural T2DM participants compared with those in urban setting. However, higher levels of TNF-α was observed among the study participants with T2DM in urban settings compared to those of rural. In this study, we observed that co-morbidity of hypertension had no significant effect on the levels of IL-6 and TNF-α. We are of the opinion that higher physical activity levels among rural particpants and high obesity levels in urabn participants explain the observation but needs more numbers to validate. Conclusion: This study revealed that IL-6 levels were higher among rural dwellers than urban while TNF-α levels were higher in urban dwellers than rural in patients with T2DM. There was no association of body fat percentage and body mass index with IL-6 and TNF-α levels. Co-morbidity of hypertension with T2DM had no effect on IL-6 and TNF-α levels.
Description: An article published by BMC Endocrine Disorders (2015), 15:50, DOI 10.1186/s12902-015-0047-9
URI: http://hdl.handle.net/123456789/11149
Appears in Collections:College of Science

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