title: Association of serum omentin-1 levels with coronary artery disease.
abstract: OBJECTIVE
  Omentin-1, a novel adipokine expressed in visceral adipose tissue, is negatively correlated with insulin resistance and obesity. Decreased omentin-1 expression has been found in many chronic inflammatory diseases. However, the role of omentin-1 in coronary artery disease (CAD) has not been elucidated. The aim of the present study was to determine whether serum concentration of omentin-1 was independently associated with CAD.
  
  
  METHODS
  One hundred and fifty five patients with CAD were divided into two groups: acute coronary syndrome (ACS) and stable angina pectoris (SAP). A total of 52 healthy participants served as controls. Serum concentrations of omentin-1 and interleukin-6 (IL-6) were measured using ELISA. The association of omentin-1 with CAD and cardiovascular disease risk factors was evaluated.
  
  
  RESULTS
  Serum omentin-1 levels were lower in patients with ACS or SAP compared with controls (ACS, 113.08±61.43 ng/mL; SAP, 155.41±66.89 ng/mL; control, 254.00±72.9 ng/mL; P<0.01). Patients with ACS also had lower serum concentrations of omentin-1 compared with patients with SAP (P<0.01). Serum concentration of omentin-1 was negatively correlated with body mass index (r=-0.17, P<0.05) and serum IL-6 concentration (r=-0.19, P<0.05). Furthermore, multiple logistic regression analysis showed that serum omentin-1 concentrations were independently correlated with CAD.
  
  
  CONCLUSIONS
  The findings suggest that serum concentrations of omentin-1 are related to CAD.
authors: Department of Emergency, Provincial Hospital Affiliated to Shandong University, Ji-nan 250021, China.
authors: Xia
authors: X
authors: Zhong
authors: Hai-yang
authors: HY
authors: Zhang
authors: Hui
authors: H
authors: Tan
authors: Yi
authors: Y
authors: Zhou
authors: Fu-li
authors: FL
authors: Liu
authors: Fu-qin
authors: FQ
authors: Chen
authors: De-ya
authors: DY
authors: Shang
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