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. 2009 Jan;32(1):126-8.
doi: 10.2337/dc08-1054. Epub 2008 Oct 7.

Serum levels of the adipokine FGF21 depend on renal function

Sebastian Stein  1 , Anette Bachmann, Ulrike Lössner, Jürgen Kratzsch, Matthias Blüher, Michael Stumvoll, Mathias Fasshauer
Affiliations

Serum levels of the adipokine FGF21 depend on renal function

Sebastian Stein et al. Diabetes Care. 2009 Jan.

Abstract

Objective: To investigate renal elimination of the adipokine fibroblast growth factor 21 (FGF21) by determining circulating FGF21 levels in patients on chronic hemodialysis (CD) as compared with control subjects with a glomerular filtration rate (GFR) >50 ml/min.

Research design and methods: FGF21 was determined by enzyme-linked immunosorbent assay in control (n = 60) and CD (n = 60) patients and correlated to clinical and biochemical measures of renal function, glucose and lipid metabolism, and inflammation in both groups.

Results: Median serum FGF21 levels were >15-fold higher in CD patients (3,710.6 ng/l) than in subjects with a GFR >50 ml/min (201.9 ng/l) (P < 0.001). Furthermore, serum creatinine positively and GFR negatively predicted FGF21 concentrations in multiple regression analyses in control subjects (P < 0.05).

Conclusions: FGF21 serum levels increase in CD patients and are related to markers of renal function in control subjects.

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