Objective. To evaluate the association between Haptoglobin (HP) gene polymorphisms with inflammatory status in obese subjects. Materials and Methods. A cross-sectional study was carried out. A total of 276 apparently healthy men and nonpregnant obese women were enrolled and allocated according to the HP genotype into the HP 1/HP 1, HP 2/HP 1, and HP 2/HP 2 groups. Distribution of HP genotypes was 49, 87, and 140 for the HP 1/HP 1, HP 2/HP 1, and HP 2/HP 2, respectively. The HP genotype was determined using the polymerase chain reaction method. A multiple linear regression analysis adjusted by age, sex, waist circumference, and total body fat was used to determine the association between HP genotypes with TNF-α, IL-6, and high-sensitivity C-reactive protein (hsCRP) levels. Results. A multiple linear regression analysis adjusted by sex, waist circumference, and total body fat was performed showing a significant association between the HP 2/HP 2 genotype and TNF-α (β = 0.180; 95% CI 14.41–159.64, P = 0.01) and IL-6 (β = 0.188; 95% CI 1.53–12.72, P = 0.01) levels, but not with hsCRP (β = −0.008; 95% CI −1.64–1.47, P = 0.914) levels, whereas the HP 2/HP 1 genotype showed no association compared with the HP 1/HP 1 genotype (control group). Conclusion. Results of our study show that the HP 2/HP 2 genotype is associated with elevated TNF-α and IL-6, but not with hsCRP, levels in obese subjects.

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