Myostatin and Insulin-Like Growth Factor 1 Are Biomarkers of Muscle Strength, Muscle Mass, and Mortality in Patients on Hemodialysis

Published on Jan 24, 2019in Journal of Renal Nutrition2.75
· DOI :10.1053/J.JRN.2018.11.010
Pierre Delanaye36
Estimated H-index: 36
(University of Liège),
Stanislas Bataille10
Estimated H-index: 10
(AMU: Aix-Marseille University)
+ 7 AuthorsEtienne Cavalier32
Estimated H-index: 32
(University of Liège)
Objective Muscle strength is frequently altered in hemodialysis patients. In the present work, five potential muscle biomarkers have been studied in their ability to assess muscular strength, muscular mass and to predict mortality of hemodialysis patients: activin-A, procollagen III N-terminal peptide, follistatin, myostatin and insulin-like growth factor-1 (IGF-1). Design and methods Three independent cohorts of prevalent hemodialysis patients (2 from Liege, Belgium and 1 from Marseille, France) were considered in this observational prospective study. The biomarkers were first measured in the Liege1 cohort. Two of them, myostatin and IGF-1, were then assessed in the whole population of patients (Liege1, Liege2 and Marseille). Muscle strength was assessed with handgrip strength (HGS) and muscle mass with bioimpedance analysis. One-year mortality predictive value of biomarkers was also studied in the Liege1 and Marseille cohorts. Results In the Liege1 cohort (n=67), HGS was only associated with concentrations of myostatin and IGF-1. These associations were confirmed in the whole population of 204 patients (r=0.37, P P P Conclusion Our results suggest that myostatin and IGF-1 are two biomarkers of interest to assess muscle status of dialysis patients. Both biomarkers are associated with HGS, muscular mass, and one-year mortality.
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