Yonsei Med J.
2004 Oct;45(5):927-930. 10.3349/ymj.2004.45.5.927.
Identification of a Dysferlin Gene Mutation in a Korean Case with Miyoshi Myopathy
- Affiliations
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- 1Department of Neurology, Yongdong Severance Hospital, Yonsei University College of Medicine, Seoul, Korea. ycchoi@yumc.yonsei.ac.kr
- 2Department of Pathology, Severance Hospital, Brain Korea 21 Project for Medical Science, Yonsei University College of Medicine, Seoul, Korea.
- KMID: 1103918
- DOI: http://doi.org/10.3349/ymj.2004.45.5.927
Abstract
- Recent genetic and immunohistochemical analyses have shown that Miyoshi myopathy (MM) is caused by a mutation in the DYSF gene, which induces dysfunction of dysferlin. The author described one patient showing characteristic MM phenotype with deficiency of dysferlin on immunohistochemistry. Direct DNA sequencing of whole exons of DYSF gene revealed one homozygous missense mutation (G1165C) on exon 12, which let to an amino acid substitution from the glutamic acid to glutamine at the 389 of the peptide sequence in this patient. This is the first reported case of MM confirmed by immunohistochemical and genetic analyses in Korea.
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