J Korean Neurol Assoc.  2005 Jun;23(3):418-421.

A Case of Nonaka Myopathy Confirmed by GNE Mutation

Affiliations
  • 1Department of Neurology, Seoul Veterans Hospital, Seoul, Korea. han4636@hanmail.net
  • 2Department of Laboratory Medicine, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Korea.

Abstract

Nonaka myopathy (NM) or distal myopathy with rimmed vacuoles (DMRV) is an autosomal recessively inherited neuromuscular disorder characterized by early adult-onset weakness of distal muscles, rimmed vacuoles in muscle biopsy, and mutations in the UDP-N-acetylglucosamine 2-epimerase/N-acetylmannosamine kinase (GNE) gene. The authors describe a patient with typical clinical features of NM confirmed by GNE mutation. Mutation analysis of the GNE gene revealed that the patient was a compound heterozygous for V572L and C13S mutations.

Keyword

Nonaka myopathy; UDP-N-acetylglucosamine 2-epimerase/N-acetylmannosamine kinase (GNE)

MeSH Terms

Biopsy
Distal Myopathies
Humans
Muscles
Muscular Diseases*
Phosphotransferases
Vacuoles
Phosphotransferases
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