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Caveolinopathy - New mutations and additional symptoms

Lookup NU author(s): Dr Richard Charlton, Dr Rita Barresi, Dr Michelle Eagle, Emerita Professor Katherine Bushby, Professor Volker Straub

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Abstract

Mutations in the caveolin-3 gene (CAV3) can lead to a broad spectrum of clinical phenotypes. Phenotypes that have so far been associated with primary caveolin-3 deficiency include limb girdle muscular dystrophy, rippling muscle disease, distal myopathy and hyperCKaemia. This is the first report describing the clinical, pathological and genetic features of patients with caveolinopathy from the UK. Ten patients (six families) were identified via the National Commissioning Group (NCG) service for patients with limb girdle muscle dystrophy in Newcastle. Myalgia was the most prominent symptom in our cohort of patients and for 50% it was the reason for referral. Muscle weakness was only found in 60% of the patients, whereas rippling muscle movement was present in 80%. One of the patients reported episodes of myoglobinuria and another one episodes of hypoglycaemia. Five different mutations were identified, two of which were novel and three that had previously been described. Caveolinopathy needs to be considered as a differential diagnosis in a range of clinical situations, including in patients who do not have any weakness. Indeed, rippling muscles are a more frequent symptom than weakness, and can be detected in childhood. Presentation with myalgia is common and management of it as well as of myoglobinuria and hypoglycaemia may have a major impact on the patients' quality of life. © 2008 Elsevier B.V. All rights reserved.


Publication metadata

Author(s): Aboumousa A, Hoogendijk J, Charlton R, Barresi R, Herrmann R, Voit T, Hudson J, Roberts M, Hilton-Jones D, Eagle M, Bushby K, Straub V

Publication type: Article

Publication status: Published

Journal: Neuromuscular Disorders

Year: 2008

Volume: 18

Issue: 7

Pages: 572-578

Print publication date: 01/07/2008

ISSN (print): 0960-8966

ISSN (electronic): 1873-2364

Publisher: Elsevier

URL: http://dx.doi.org/10.1016/j.nmd.2008.05.003

DOI: 10.1016/j.nmd.2008.05.003


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