4.2 Article

Caveolinopathy - New mutations and additional symptoms

期刊

NEUROMUSCULAR DISORDERS
卷 18, 期 7, 页码 572-578

出版社

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.nmd.2008.05.003

关键词

caveolin-3; rippling muscle disease; limb girdle muscular dystrophy; myalgia; myoglobinuria; hypoglycaemia

资金

  1. Medical Research Council [G0601943] Funding Source: Medline
  2. Medical Research Council [G0601943] Funding Source: researchfish
  3. MRC [G0601943] Funding Source: UKRI

向作者/读者索取更多资源

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 hyper-CKaemia. 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. (c) 2008 Elsevier B.V. All rights reserved.

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