Abstract
Background and aimAdipocyte fatty acid-binding protein (FABP4) is abundantly expressed in adipocytes and plays a role in glucose homeostasis. We analysed the relationship between serum FABP4 levels and the progression of metabolic syndrome in healthy adults. Methodsand resultsA total of 465 subjects were selected from participants in a medical check-up programme at a Health Promotion Center. Baseline serum FABP4 levels were measured, and the subjects were evaluated for the presence of metabolic syndrome (MetS) according to the recommendations of the American Heart Association/National Heart, Lung, and Blood Institute. The subjects were re-evaluated 4 years later.Baseline FABP4 concentrations were significantly higher in subjects with MetS than in those without MetS (P<0.001). At the 4-year follow-up, subjects in the highest FABP4 tertile at baseline exhibited higher values for body mass index, fat mass and percent body fat, as well as blood pressure, fasting glucose, total cholesterol, triglycerides, low-density lipoprotein (LDL)-cholesterol, insulin, homeostasis model assessment of insulin resistance, monocyte chemoattractant protein-1 and tumor necrosis factor-α levels (all P<0.05). The subjects with higher FABP4 levels had lower HDL-cholesterol concentrations (P<0.05). After adjustment for age, sex, change in percent body fat and baseline values for other metabolic and inflammatory parameters, FABP4 levels at baseline were shown to be strongly associated with the development of MetS by year 4 (odds ratio (OR), 5.75; 95% confidence interval (CI), 2.71–12.23 for highest tertile vs. lowest tertile, P<0.001) ConclusionBaseline serum FABP4 levels appear to be a significant predictor for the future development of MetS, independent of pro-inflammatory cytokines.
Published Version
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