The International Journal of Romanian Society of Endocrinology / Registered in 1938

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April - June 2017, Volume 13, Issue 2
General Endocrinology

Çimen AR, Cerit ET, Iyidir OT, Karakus R, Uyar BB, Toruner FB, Cakir N, Arslan M

Serum Omentin-1 Levels and Endothelial Dysfunction in Obesity

Acta Endo (Buc) 2017, 13 (2): 138-143
doi: 10.4183/aeb.2017.138

Introduction. Our aim was to investigate the relationship between serum omentin-1 levels and endothelial dysfunction in obese patients. Material and Methods. We evaluated 50 obese patients, and age/gender matched 45 healthy non-obese subjects as controls. Oral glucose tolerance test, lipid parameters, uric acid levels, homeostatic model assessmentinsulin resistance (HOMA-IR) index, serum omentin-1 levels and flow mediated dilatation (FMD) % were measured in all subjects. Body compositions were analyzed with bioelectrical impedance method using a Tanita Body Composition Analyzer and ViScan. Results. Serum omentin–1 levels were found significantly lower in obese population compared to the control subjects. FMD response was significantly decreased in obese population. There was a significant positive correlation between serum omentin–1 levels and FMD response (r=0.359, p<0.001). Serum omentin–1 levels were negatively correlated with body mass index (BMI), waist circumference, total fat percentage, visceral fat, fasting insulin and HOMA-IR index. Conclusion. Lower serum omentin–1 levels and decreased FMD response may be an early marker of endothelial dysfunction in obese patients.

Keywords: Omentin-1, Obesity, Endothelial Dysfunction, Flow Mediated Dilatation

Correspondence: Ethem Turgay Cerit MD, Gazi University Faculty of Medicine, Department of Endocrinology and Metabolism, Besevler/Ankara, Turkey 06500, E-mail: