ISSN 2147-9720 | E-ISSN 2148-4279
Original Article
Low prevalence of obesity in Behçet’s disease is associated with high obestatin level
1 Department of Rheumatology, Fırat University School of Medicine, Elazığ, Turkey  
2 Department of Medical Genetics, Sıtkı Koçman University School of Medicine, Muğla, Turkey  
3 Department of Rheumatology, 19 Mayıs University School of Medicine, Samsun, Turkey  
4 Department of Internal Medicine, Fırat University School of Medicine, Elazığ, Turkey  
5 Department of Neurology, Fırat University School of Medicine, Elazığ, Turkey  
6 Department of Endocrinology, Fırat University School of Medicine, Elazığ, Turkey  
7 Department of Biochemistry, Fırat University School of Medicine, Elazığ, Turkey  
Eur J Rheumatol 2017; 4: 113-117
DOI: 10.5152/eurjrheum.2017.160095
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Key Words: Behçet’s disease, obesity, ghrelin, obestatin
Abstract

Objective: Chronic inflammatory diseases are associated with altered body composition. Ghrelin has anti-inflammatory effects, and its level is altered in obesity and inflammatory diseases. The aim of the study was to evaluate the prevalence of obesity and ghrelin and obestatin levels in patients with Behçet’s disease (BD).

 

Material and Methods: One hundred and forty-three (143) patients with BD and 112 healthy controls (HC) were enrolled. Participants were subdivided according to the body mass index (BMI) as lean (<18.5 kg/m2), normal weight (18.5-24.9 kg/m2), overweight (25-29.9 kg/m2) and obese (≥30 kg/m2). In addition to the routine evaluations (fasting blood glucose, lipid profile, and kidney and liver function tests), serum acylated-ghrelin (AG), unacylated-ghrelin (UAG), total ghrelin (TG) and obestatin levels were analyzed. Student’s t-test and chi-square test were used for statistical analysis.

 

Results: The prevalence of obesity was relatively lower in the BD group than in the HC group (12.6% vs. 20.5%, p=0.089). Serum ghrelin levels were similar in the BD and HC groups (p>0.05 for all) although the obestatin level was higher in the BD group compared to the HC group (p<0.001). Serum UAG, TG and obestatin levels were lower in obese BD patients (n=18) than non-obese BD patients (p=0.027, p=0.014 and p=0.001, respectively).

 

Conclusion: The obestatin level was high and the prevalence of obesity was low in the BD group. Moreover, obese BD patients had low obestatin levels. These results suggest that obestatin may protect BD patients from obesity.

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