Myopathy with MTCYB mutation mimicking Multiple Acyl-CoA Dehydrogenase Deficiency

被引:6
|
作者
Kaphan, E. [1 ]
Ali, H. Bou [1 ]
Gastaldi, M. [2 ]
Acquaviva, C. [3 ]
Vianey-Saban, C. [3 ]
Rouzier, C. [4 ]
Fragaki, K. [4 ]
Bannwarth, S. [4 ]
Paquis-Flucklinger, V [4 ]
Romero, N. [8 ]
Behin, A. [8 ]
Lombes, A. [5 ,6 ]
Jardel, C. [5 ,6 ]
Rigal, O. [7 ]
Laforet, P. [8 ]
机构
[1] CHU Timone, AP HM, Serv Neurol, Pole Neurosci Clin, 264 Rue St Pierre, F-13005 Marseille, France
[2] CHU Timone, AP HM, Lab Biochim Metab, F-13005 Marseille, France
[3] CHU Lyon, Grp Hosp Est, Ctr Biol & Pathol Est, Serv Malad Hereditaires Metab, F-69500 Bron, France
[4] Univ Cote dAzur, CHU, Inserm, CNRS,IRCAN, Nice, France
[5] GHU Pitie Salpetriere, AP HP, Inserm, Serv Biochim Metab,U1016, F-75651 Paris, France
[6] GHU Pitie Salpetriere, AP HP, Ctr Genet Mol & Chromosom, Inst Cochin, F-75651 Paris, France
[7] Hop Robert Debre, AP HP, Ctr Reference Malad Metab, Serv Biochim Hormonol, F-75019 Paris, France
[8] GH Pitie Salpetriere, Inst Myol, Ctr Reference Pathol Neuromusculaire Paris Est, F-75013 Paris, France
关键词
Mitochondrial disease; MADD; Multiple acyl-CoA dehydrogenase deficiency; Myopathy; Exercise intolerance; Cytochrome b; COMPLEX-III DEFICIENCY; STOP-CODON MUTATION; CYTOCHROME-B GENE; MISSENSE MUTATION; MITOCHONDRIAL;
D O I
10.1016/j.neurol.2018.03.014
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
We describe two patients with mitochondrial DNA mutations in the gene encoding cytochrome b (m. 15579A>G, p. Tyr278Cys and m. 15045G>A p. Arg100Gln), which presented as a pure myopathic form (exercise intolerance), with an onset in childhood. Diagnosis was delayed, because acylcarnitine profile showed an increase in medium and long-chain acylcarnitines, suggestive of multiple acyl-CoA dehydrogenase deficiency, riboflavin transporter deficiency or FAD metabolism disorder. Implication of cytochrome b in fatty acid oxidation, and physiopathology of the mutations are discussed. (C) 2018 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码:731 / 735
页数:5
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