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Glycyl tRNA synthetase mutations in Charcot-Marie-Tooth disease type 2D and distal spinal muscular atrophy type V

  • Anthony Antonellis
  • , Rachel E. Ellsworth
  • , Nyamkhishig Sambuughin
  • , Imke Puls
  • , Annette Abel
  • , Shih Queen Lee-Lin
  • , Albena Jordanova
  • , Ivo Kremensky
  • , Kyproula Christodoulou
  • , Lefkos T. Middleton
  • , Kumaraswamy Sivakumar
  • , Victor Ionasescu
  • , Benoit Funalot
  • , Jeffery M. Vance
  • , Lev G. Goldfarb
  • , Kenneth H. Fischbeck
  • , Eric D. Green*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

522 Scopus citations

Abstract

Charcot-Marie-Tooth disease type 2D (CMT2D) and distal spinal muscular atrophy type V (dSMA-V) are axonal peripheral neuropathies inherited in an autosomal dominant fashion. Our previous genetic and physical mapping efforts localized the responsible gene(s) to a well-defined region on human chromosome 7p. Here, we report the identification of four disease-associated missense mutations in the glycyl tRNA synthetase gene in families with CMT2D and dSMA-V. This is the first example of an aminoacyl tRNA synthetase being implicated in a human genetic disease, which makes genes that encode these enzymes relevant candidates for other inherited neuropathies and motor neuron diseases.

Original languageEnglish
Pages (from-to)1293-1299
Number of pages7
JournalAmerican Journal of Human Genetics
Volume72
Issue number5
DOIs
StatePublished - 1 May 2003

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