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  • Title: Serum visfatin concentrations in obese adolescents and its correlation with age and high-density lipoprotein cholesterol.
    Author: Jin H, Jiang B, Tang J, Lu W, Wang W, Zhou L, Shang W, Li F, Ma Q, Yang Y, Chen M.
    Journal: Diabetes Res Clin Pract; 2008 Mar; 79(3):412-8. PubMed ID: 18241953.
    Abstract:
    Visfatin was recently identified as an adipocytokine and has insulin mimetic properties, but its role in adolescents remains largely unknown. In this study, we examined the impact of adolescent obesity on circulating visfatin levels and the relationship between visfatin and anthropometric indices, insulin sensitivity, and blood lipids in Chinese adolescents (11-18 years). Serum visfatin, adiponectin, leptin, and blood lipids were measured in 76 non-obese and 72 obese adolescents. The medians of serum visfatin levels were significantly higher in obese subjects of 34.68ng/ml than in non-obese subjects of 28.67ng/ml (P=0.002). There were no significant correlations in the non-obese group between the serum visfatin concentration and the anthropometric indices or the lipid parameters. However, visfatin levels were negatively correlated with age, early insulin secretion index (EISI), Tanner stage, and positively correlated with HDL-c in the obese adolescents. These relationships, except that for EISI and Tanner stage, remained significant (P<0.05) after adjusting for age, gender, and body mass index. Moreover, unlike adiponectin and leptin, visfatin concentration did not correlate with testosterone in non-obese and obese boys. In conclusion, visfatin levels may decrease with age and be related to the HDL metabolism in obese adolescents.
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