Relationship of obesity and visceral adiposity with serum concentrations of CRP, TNF-α and IL-6 (original) (raw)

Abstract

Objective: To investigate the relationship between serum concentrations of the cytokines C-reactive protein (CRP), tumor necrosis factor (TNF)-a, and interleukin (IL)-6, and obesity and visceral adiposity. Methods: A cross-sectional study of 100 Korean adults free from pre-existing inflammatory disease or cancer was performed. Body mass index (BMI), waist circumference, and serum concentrations of CRP, TNF-a and IL-6 were measured. In 46 obese subjects, fat mass was assessed by bioimpedance analysis and abdominal fat distribution was determined by computerized tomography scan. Results: Overall, serum concentrations of CRP, TNF-a and IL-6 were significantly correlated with weight, BMI, waist circumference, hip circumference, and waist-hip ratio. In obese subjects, CRP and IL-6 were significantly correlated with BMI, waist circumference and visceral adipose tissue. Multiple regression analysis showed that CRP was significantly associated with BMI, whereas IL-6 was significantly related with visceral adiposity in obese subjects. Conclusions: The positive associations of obesity and visceral adiposity with elevated cytokine levels suggest the importance of reducing obesity and visceral adiposity to prevent elevations in cytokine levels.

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