Novel mutations of the GNE gene in distal myopathy with rimmed vacuoles presenting with very slow progression

Yasuko Ikeda-Sakai, Yasuhiro Manabe, Daiki Fujii, Syoichiro Kono, Hisashi Narai, Nobuhiko Omori, Ichizo Nishino, Koji Abe

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5 Citations (Scopus)

Abstract

We report novel compound heterozygous mutations of the UDP-N- acetylglucosamine-2-epimerase and N-acetylmannosamine kinase (GNE) gene, c.302G>A (p.R101H) and c.617-4A>G, in a Japanese family with distal myopathy with rimmed vacuoles (DMRV) presenting with slow progression. The three patients could stand and walk even 36, 34, and 39 years after onset, respectively, although affected individuals become wheelchair bound on average 12 years after onset of the disease. The clinical spectrum of DMRV seems to be wider than previously thought in terms of both the clinical course and the severity of the disease.

Original languageEnglish
Pages (from-to)120-125
Number of pages6
JournalCase Reports in Neurology
Volume4
Issue number2
DOIs
Publication statusPublished - May 1 2012

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Keywords

  • Distal myopathy with rimmed vacuoles
  • Sialic acid
  • UDP-N-acetylglucosamine-2-epimerase and N-acetylmannosamine kinase

ASJC Scopus subject areas

  • Clinical Neurology

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