期刊
METABOLISM-CLINICAL AND EXPERIMENTAL
卷 63, 期 11, 页码 1409-1418出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.metabol.2014.07.013
关键词
Visfatin; Nutritional status; Insulin resistance; Type 2 diabetes; Aging
资金
- Ministry of Science and Higher Education [PBZ-MEIN-9/2/2006]
- Medical University of Silesia [KNW-1-050/P/2/0, KNW-092/K/3/0]
- National Centre of Science [DEC 2012/07/B/NZ5/02339]
Background. Circulating visfatin/nicotinamide phosphoribosyltransferase (visfatin/ NAMPT) levels according to some studies are related to nutritional status and insulin resistance. These associations have not been studied in large elderly populations. Therefore, the aim of our study was to assess the relationships between circulating visfatin/NAMPT levels, nutritional status, and insulin resistance in a large population of the elderly. Materials and methods. Concentrations of glucose, albumin, creatinine, CRP, interleukin-6, insulin, and visfatin/NAMPT (by ELISA) were assessed, and HOMA-IR calculated in 3050 elderly participants of the PolSenior study. Results. The highest plasma visfatin/NAMPT levels were observed in obese, as well as in non-diabetic insulin resistant subjects; however there were only significant differences found in women. The regression models showed that plasma visfatin/NAMPT levels decline with age and increased with waist circumference, BMI, and hs-CRP. Waist circumference was better correlated than BMI for visfatin/NAMPT levels in statistical models not adjusted by sex, and just the opposite in models which were. We demonstrated a 0.023 ng/mL increase of Visfatin/NAMPT levels for 1 mg/L increase of hs-CRP, and a 0.007 ng/mL decline for each year of age. Conclusion. Our study revealed that in elderly subjects, circulating visfatin/NAMPT levels are related to age, nutritional status, especially visceral obesity, and inflammation. (C) 2014 Elsevier Inc. All rights reserved.
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