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Expanding the clinicopathological‐genetic spectrum of GNE myopathy by a Chinese neuromuscular centre.
- Source :
- Journal of Cellular & Molecular Medicine; Nov2021, Vol. 25 Issue 22, p10494-10503, 10p
- Publication Year :
- 2021
-
Abstract
- GNE myopathy is a heterogeneous group of ultrarare neuromuscular disorders caused by mutations in the GNE gene. An estimated prevalence of 1~21/1,000,000 leads to a deficiency of data and a lack of availability of samples to conduct clinical research on this neuromuscular disorder. Although GNE, which is the mutated gene responsible for the disease, is well known as the key enzyme in the biosynthesis pathway of sialic acid, the clinicopathological‐genetic spectrum of GNE mutant patients is still unclear and expanding. This study presents ten unrelated patients with GNE myopathy, discovering five novel missense mutations. Clinical, electrophysiological, imaging, pathological and genetic data are presented in a retrospective manner. Interestingly, several patients in the cohort were found to have peripheral neuropathy and inflammatory cell infiltration in muscle biopsies, which have seldom been reported. This study, conducted by a neuromuscular centre in China, is the first attempt to highlight these abnormal clinicopathological features and associate them with genetic mutations in GNE myopathy. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 15821838
- Volume :
- 25
- Issue :
- 22
- Database :
- Complementary Index
- Journal :
- Journal of Cellular & Molecular Medicine
- Publication Type :
- Academic Journal
- Accession number :
- 153560628
- Full Text :
- https://doi.org/10.1111/jcmm.16978