期刊
CLINICAL ENDOCRINOLOGY
卷 78, 期 5, 页码 712-717出版社
WILEY
DOI: 10.1111/j.1365-2265.2012.04460.x
关键词
-
资金
- Research Center of Gulhane Medical School [2010/49]
Objective Nonalcoholic fatty liver disease (NAFLD), a hepatic manifestation of metabolic syndrome (MetS) is closely associated with an increased risk of cardiovascular disease. Fetuin-A is associated with MetS and NAFLD. We investigated the relationship of circulating fetuin-A level with markers of endothelial dysfunction and presence of carotid atherosclerosis in subjects with NAFLD. Methods The consecutive 115 patients with NAFLD and age-matched 74 healthy subjects were enrolled. Plasma levels of fetuin-A and markers of endothelial dysfunction [asymmetric dimethyl arginine (ADMA) and adiponectin] were measured by ELISA method. Insulin sensitivity was determined by homeostasis model assessment of insulin resistance (HOMA-IR) index. Carotid artery intima-media thickness (cIMT) was assessed by high-resolution ultrasonography. Results Fetuin-A and ADMA were higher and, adiponectin was lower in NAFLD group than the control group (P=0 center dot 004, P<0 center dot 001 and P<0 center dot 001, respectively). In addition, NAFLD group had greater cIMT measurements than the controls (P<0 center dot 001). However, no difference was found for fetuin-A, ADMA, adiponectin and cIMT between two groups when the findings were adjusted according to the glucose, lipids and HOMA-IR index. In correlation analysis, fetuin-A was found to be positively correlated with triglyceride (r=0 center dot 23, P=0 center dot 001), HOMA-IR (r=0 center dot 29, P<0 center dot 001), ADMA (r=0 center dot 24, P=0 center dot 001), cIMT (r=0 center dot 3, P=0 center dot 003) and, negatively correlated with HDL-C (r=0 center dot 17, P=0 center dot 02) and adiponectin (r=0 center dot 19, P=0 center dot 01) levels. Multiple linear regression analysis showed that fetuin-A was independently associated with ADMA and cIMT levels. Conclusion This study demonstrated for the first time that circulating fetuin-A in NAFLD is independently associated with endothelial dysfunction and subclinical atherosclerosis.
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