Article (Scientific journals)
High urinary ferritin reflects myoglobin iron evacuation in DMD patients.
Rouillon, Jeremy; Lefebvre, Thibaud; Denard, Jerome et al.
2018In Neuromuscular Disorders, p. 1-8
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Keywords :
Antibody array; Duchenne muscular dystrophy; Iron; Myoglobin; Urinary ferritin
Abstract :
[en] Duchenne muscular dystrophy (DMD) is an X-linked disease caused by mutations in the dystrophin gene leading to the absence of the normal dystrophin protein. The efforts of many laboratories brought new treatments of DMD to the reality, but ongoing and forthcoming clinical trials suffer from absence of valuable biomarkers permitting to follow the outcome of the treatment day by day and to adjust the treatment if needed. In the present study the levels of 128 urinary proteins including growth factors, cytokines and chemokines were compared in urine of DMD patients and age related control subjects by antibody array approach. Surprisingly, statistically significant difference was observed only for urinary ferritin whose level was 50 times higher in young DMD patients. To explain the observed high urinary ferritin content we analysed the levels of iron, iron containing proteins and proteins involved in regulation of iron metabolism in serum and urine of DMD patients and their age-matched healthy controls. Obtained data strongly suggest that elevated level of urinary ferritin is functionally linked to the renal management of myoglobin iron derived from leaky muscles of DMD patients. This first observation of the high level of ferritin in urine of DMD patients permits to consider this protein as a new urinary biomarker in muscular dystrophies and sheds light on the mechanisms of iron metabolism and kidney functioning in DMD.
Disciplines :
Neurology
Pediatrics
Author, co-author :
Rouillon, Jeremy
Lefebvre, Thibaud
Denard, Jerome
Puy, Vincent
Daher, Raed
Ausseil, Jerome
Zocevic, Aleksandar
Fogel, Paul
Peoc'h, Katell
Wong, Brenda
Servais, Laurent ;  Université de Liège - ULiège > Département des sciences cliniques > Neuropédiatrie
Voit, Thomas
Puy, Herve
Karim, Zoubida
Svinartchouk, Fedor
More authors (5 more) Less
Language :
English
Title :
High urinary ferritin reflects myoglobin iron evacuation in DMD patients.
Publication date :
March 2018
Journal title :
Neuromuscular Disorders
ISSN :
0960-8966
eISSN :
1873-2364
Publisher :
Elsevier, Netherlands
Pages :
1-8
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
Epub ahead of print. Copyright (c) 2018 The Authors. Published by Elsevier B.V. All rights reserved
Available on ORBi :
since 13 February 2019

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