Article (Scientific journals)
Neurofilament-light chains (NF-L), a biomarker of neuronal damage, is increased in patients with severe sarcopenia: results of the SarcoPhAge study.
Ladang, Aurélie; KOVACS, Stéphanie; Lengele, Laetitia et al.
2023In Aging Clinical and Experimental Research, 35 (10), p. 2029 - 2037
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Keywords :
Biomarkers; Neurofilaments; NfL; Sarcopenia; Humans; Aged; Intermediate Filaments; Hand Strength/physiology; Muscle Strength; Absorptiometry, Photon/methods; Absorptiometry, Photon; Hand Strength; Aging; Geriatrics and Gerontology
Abstract :
[en] [en] BACKGROUND: As clinical tests, such as gait speed, require nervous system integrity to be performed properly, sarcopenia shares features with neurological diseases. Neurofilament light chains (NF-L) are now used as a blood-biomarker of neuronal damage, and its expression might be altered in sarcopenia. We aimed to assess NF-L concentrations in a large cohort of older individuals screened for sarcopenia. METHODS: The SarcoPhAge cohort is a Belgian cohort of 534 community-dwelling older adults with an ongoing 10-year follow-up. Sarcopenia diagnosis was established at inclusion according to the European Working Group on Sarcopenia in Older People 2 (EWGSOP2) criteria. Muscle strength was evaluated with a hydraulic hand dynamometer, appendicular lean mass by Dual-Energy X-ray Absorptiometry (DXA) and physical performance by the Short Physical Performance Battery (SPPB). NF-L was measured on all available sera collected at the time of inclusion (n = 409) using SiMoA technology (Quanterix°). RESULTS: In the multivariate model, NF-L was associated with performance tests such as gait speed (p < 0.0001) and SPPB scores (p = 0.0004). An association was also observed with muscle strength (p = 0.0123) and lean mass (p = 0.0279). In the logistic regression model, NF-L was an independent predictor of severe sarcopenia (p = 0.0338; OR = 20.0; 95% CI 1.39-287.7) with satisfactory diagnostic accuracy (AUC: 0.828) and subjects with an SPPB score ≤ 8 had higher odds of having increased NF-L (p < 0.0001; OR = 23.9; 95% CI 5.5-104). CONCLUSIONS: These data highlight the potential for using NF-L to investigate the pathophysiology of sarcopenia severity and the neurological features associated with performance tests. However, these results need to be confirmed with other cohorts in different settings.
Disciplines :
Laboratory medicine & medical technology
Author, co-author :
Ladang, Aurélie  ;  Centre Hospitalier Universitaire de Liège - CHU > > Service de chimie clinique
KOVACS, Stéphanie ;  Centre Hospitalier Universitaire de Liège - CHU > > Service de chimie clinique
Lengele, Laetitia ;  Université de Liège - ULiège > Département des sciences de la santé publique > Santé publique, Epidémiologie et Economie de la santé
Locquet, Médéa ;  Université de Liège - ULiège > Département des sciences de la santé publique > Epidémiologie clinique
Beaudart, Charlotte ;  Centre Hospitalier Universitaire de Liège - CHU > > Service de médecine de l'appareil locomoteur
Reginster, Jean-Yves  ;  Université de Liège - ULiège > Département des sciences de la santé publique
Bruyère, Olivier  ;  Centre Hospitalier Universitaire de Liège - CHU > > Service de médecine de l'appareil locomoteur
Cavalier, Etienne  ;  Centre Hospitalier Universitaire de Liège - CHU > > Service de chimie clinique
Language :
English
Title :
Neurofilament-light chains (NF-L), a biomarker of neuronal damage, is increased in patients with severe sarcopenia: results of the SarcoPhAge study.
Publication date :
October 2023
Journal title :
Aging Clinical and Experimental Research
ISSN :
1594-0667
eISSN :
1720-8319
Publisher :
Springer Science and Business Media Deutschland GmbH, Germany
Volume :
35
Issue :
10
Pages :
2029 - 2037
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
This study was supported by the Clinical Chemistry Department and the University of Liège.
Available on ORBi :
since 05 December 2023

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