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Skeletal muscle disorders of glycogenolysis and glycolysis

Godfrey, R; Quinlivan, R; (2016) Skeletal muscle disorders of glycogenolysis and glycolysis. Nature Reviews Neurology , 12 (7) pp. 393-402. 10.1038/nrneurol.2016.75. Green open access

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Abstract

Skeletal muscle disorders of glycogenolysis and glycolysis account for most of the conditions collectively termed glycogen storage diseases (GSDs). These disorders are rare (incidence 1 in 20,000-43,000 live births), and are caused by autosomal or X-linked recessive mutations that result in a specific enzyme deficiency, leading to the inability to utilize muscle glycogen as an energy substrate. McArdle disease (GSD V) is the most common of these disorders, and is caused by mutations in the gene encoding muscle glycogen phosphorylase. Symptoms of McArdle disease and most other related GSDs include exercise intolerance, muscle contracture, acute rhabdomyolysis, and risk of acute renal failure. Older patients may exhibit muscle wasting and weakness involving the paraspinal muscles and shoulder girdle. For patients with these conditions, engaging with exercise is likely to be beneficial. Diagnosis is frequently delayed owing to the rarity of the conditions and lack of access to appropriate investigations. A few randomized clinical trials have been conducted, some focusing on dietary modification, although the quality of the evidence is low and no specific recommendations can yet be made. The development of EUROMAC, an international registry for these disorders, should improve our knowledge of their natural histories and provide a platform for future clinical trials.

Type: Article
Title: Skeletal muscle disorders of glycogenolysis and glycolysis
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1038/nrneurol.2016.75
Publisher version: http://dx.doi.org/10.1038/nrneurol.2016.75
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology > Department of Neuromuscular Diseases
URI: https://discovery-pp.ucl.ac.uk/id/eprint/1502655
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