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Int. J. Environ. Res. Public Health 2014, 11(4), 4049-4065; doi:10.3390/ijerph110404049
Article

Relationship between Obesity, Adipocytokines and Inflammatory Markers in Type 2 Diabetes: Relevance for Cardiovascular Risk Prevention

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Clinic for Endocrinology, Diabetes and Metabolic Diseases, Clinical Center of Serbia, Faculty of Medicine, University of Belgrade, Dr. Subotica 13, Belgrade 11000, Serbia
* Author to whom correspondence should be addressed.
Received: 14 January 2014 / Revised: 20 March 2014 / Accepted: 31 March 2014 / Published: 14 April 2014
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Abstract

This study aimed to analyse the impact of obesity in type 2 diabetes (T2D) on adipocytokines (adiponectin, leptin and resistin) and inflammatory markers (TNF-α, IL-6 and hsCRP) as cardiovascular risk factors. A cross-sectional study comparing the basal levels of adipocytokines and inflammatory markers was done in 18 obese (BMI ≥ 30 kg/m2) (group A), 21 overweight (25 kg/m2 ≤ BMI < 30 kg/m2) (group B), 25 non-obese T2D patients (group C) and 15 non-obese controls (group D). The lowest levels of adiponectin and the highest levels of leptin, resistin, TNF-α, IL-6 and hsCRP were found in group A. Adiponectin levels were significantly lower, and resistin, TNF-α, and hsCRP levels were elevated in group C vs. D. However, leptin and IL-6 levels differed significantly between groups A and B, but not between groups C and D. Moreover, we found a significant negative correlation between adiponectin and TNF-α, but not with other markers, which was independent of the presence of obesity. In contrast, leptin and resistin correlated with the inflammatory markers, and this correlation was obesity-dependent. Our results suggest that obesity influences cardiovascular risk primarily through changes in leptin and resistin and less efficiently at the level of adiponectin.
Keywords: cardiovascular prevention; obesity; diabetes; adipocytokines; inflammatory markers cardiovascular prevention; obesity; diabetes; adipocytokines; inflammatory markers
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Rajkovic, N.; Zamaklar, M.; Lalic, K.; Jotic, A.; Lukic, L.; Milicic, T.; Singh, S.; Stosic, L.; Lalic, N.M. Relationship between Obesity, Adipocytokines and Inflammatory Markers in Type 2 Diabetes: Relevance for Cardiovascular Risk Prevention. Int. J. Environ. Res. Public Health 2014, 11, 4049-4065.

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