Limb-girdle muscular dystrophy in a 71-year-old woman with an R27Q mutation in the CAV3 gene.

D Figarella-Branger, J Pouget, R Bernard, M Krahn, C Fernandez, N Lévy, J F Pellissier

Journal: Neurology 2004;61(4):562-4

PMID: 12939441

Abstract

The authors report a 71-year-old woman with limb-girdle muscular dystrophy (LGMD) associated with an R27Q mutation in the CAV3 gene. Immunohistochemistry showed a >90% reduction of caveolin-3 on the sarcolemma by western blot, and anti-dysferlin immunoreactivity was reduced. This case emphasizes that an R27Q missense mutation in the CAV3 gene can lead to various clinical phenotypes including hyperCKemia, rippling muscle disease, distal myopathy, and LGMD1C.

Address: Service d'anatomie pathologique et de neuropathologie, Département de génétique médicale, Campus Hospitalier et Universitaire de la Timone, Marseille, France. [email protected]

DOI: 10.1212/01.wnl.0000076486.57572.5c

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MeSH Terms: Aged, Amino Acid Substitution, Biopsy, Caveolin 3, Caveolins, Creatine Kinase, Creatine Kinase, MM Form, Dysferlin, Exons, Female, Humans, Isoenzymes, Membrane Proteins, Muscle Proteins, Muscle, Skeletal, Muscular Dystrophies, Mutation, Missense, Point Mutation, Polymerase Chain Reaction