Nature Communications (Feb 2019)

Biallelic mutations in valyl-tRNA synthetase gene VARS are associated with a progressive neurodevelopmental epileptic encephalopathy

  • Jennifer Friedman,
  • Desiree E. Smith,
  • Mahmoud Y. Issa,
  • Valentina Stanley,
  • Rengang Wang,
  • Marisa I. Mendes,
  • Meredith S. Wright,
  • Kristen Wigby,
  • Amber Hildreth,
  • John R. Crawford,
  • Alanna E. Koehler,
  • Shimul Chowdhury,
  • Shareef Nahas,
  • Liting Zhai,
  • Zhiwen Xu,
  • Wing-Sze Lo,
  • Kiely N. James,
  • Damir Musaev,
  • Andrea Accogli,
  • Kether Guerrero,
  • Luan T. Tran,
  • Tarek E. I. Omar,
  • Tawfeg Ben-Omran,
  • David Dimmock,
  • Stephen F. Kingsmore,
  • Gajja S. Salomons,
  • Maha S. Zaki,
  • Geneviève Bernard,
  • Joseph G. Gleeson

DOI
https://doi.org/10.1038/s41467-018-07067-3
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 10

Abstract

Read online

Valyl-tRNA synthetase (VARS) charges valyl-tRNA with the amino acid valine, required for translation. Here, the authors describe a progressive epileptic encephalopathy in individuals from five families carrying biallelic mutations in the VARS gene that leave the enzyme activity partially intact.