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Muscle Nerve. 2012 May;45(5):740-2. doi: 10.1002/mus.23281.

Novel ANO5 mutations causing hyper-CK-emia, limb girdle muscular weakness and Miyoshi type of muscular dystrophy.

Author information

  • 1Friedrich-Baur-Institute, Department of Neurology, Ludwig-Maximilians University of Munich, Germany. joachim.schessl@med.uni-muenchen.de

Abstract

INTRODUCTION:

Mutations in the anoctamin 5 gene (ANO5) have been recently identified.They cause limb girdle muscular dystrophy (LGMD2L) and Miyoshi muscular dystrophy.

METHODS:

Clinical findings of four unrelated patients are reviewed. Mutation detection was performed by direct sequencing of the ANO5 exons.

RESULTS:

We identified four novel mutations in the ANO5 gene. In one patient, a novel homozygous mutation (c.1965G>C). In three patients, the recurrent heterozygous exon 5 c.191dupA mutation is combined with other variants to form a compound heterozygous state: in two cases, novel splice site mutations in intron 5 (c.295-1G>A) and in intron 14 (c.1407+5G>A), and in one case, a novel missense mutation in exon 4 (c.172C>T).

CONCLUSIONS:

The cases reported here should help to better understand the important role of mutation screening in the ANO5 gene in patients with adult onset muscular dystrophy and very high CK levels.

Copyright © 2012 Wiley Periodicals, Inc.

PMID:
22499103
[PubMed - indexed for MEDLINE]
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