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KMID : 1199120090330020105
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Korean Diabetes Journal
2009 Volume.33 No. 2 p.105 ~ p.112
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The Relationship between Serum Retinol-Binding Protein 4 Levels and Coronary Artery Disease in Korean Adults
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Kim Ji-Hoon
Rhee Eun-Jung
Choi Eun-Suk
Won Jong-Chul
Park Cheol-Young
Lee Won-Young
Oh Ki-Won
Kim Byung-Jin
Sung Ki-Chul
Kim Bum-Soo
Kang Jin-Ho
Park Sung-Woo
Kim Sun-Woo
Lee Man-Ho
Park Jung-Ro
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Abstract
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Background: recently discovered adipokine, retinol-binding protein-4 (RBP-4), is reportedly associated with insulin resistance and metabolic syndrome. This study was performed to analyze the relationship between serum RBP-4 levels and coronary artery disease (CAD) in Korean adults.
Methods: In 235 subjects (mean age 58 years) in whom coronary artery angiograms were performed due to complaints of chest pain, serum RBP-4 levels were measured by enzyme-linked immunosorbent assay. Coronary artery angiograms were performed in all subjects and the severity of CAD was assessed by the number of stenotic vessels. The presence of metabolic syndrome was defined by AHA/NHLBI criteria with body mass index substituted for waist circumference.
Results: Coronary angiogram showed that 101 subjects (43%) had normal coronary vessel, 82 subjects (34.9%) had 1-vessel disease, 31 subjects (13.2%) had 2-vessel disease and 21 subjects (8.9%) had 3-vessel disease. Subjects with coronary artery stenosis showed a higher mean age (60.5 ± 10.0 years), fasting glucose (123.3 mg ± 45.0 mg/dL) and lower mean value for high-density lipoprotein cholesterol (HDL-C) level (49.0 ± 13.2 mg/dL), although serum RBP-4 levels were not significantly different between those with and without CAD. Mean age and fasting glucose level increased significantly as the number of stenotic vessels increased, although serum RBP4 level showed no significant differences among the different groups. Among the metabolic parameters, only serum triglyceride levels showed a significant correlation with serum RBP-4 levels.
Conclusion: There was no difference in mean serum RBP-4 levels between subjects with or without coronary artery disease in Korean adults. Further studies are warranted to draw a clear conclusion on the effect of RBP-4 on atherosclerosis.
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KEYWORD
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Atherosclerosis, Coronary artery disease, Retinol-binding protein-4
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