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Hybridisation-based resequencing of 17 X-linked intellectual disability genes in 135 patients reveals novel mutations in ATRX, SLC6A8 and PQBP1

  • Lars R. Jensen
  • , Wei Chen
  • , Bettina Moser
  • , Bettina Lipkowitz
  • , Christopher Schroeder
  • , Luciana Musante
  • , Andreas Tzschach
  • , Vera M. Kalscheuer
  • , Ilaria Meloni
  • , Martine Raynaud
  • , Hilde Van Esch
  • , Jamel Chelly
  • , Arjan P.M. De Brouwer
  • , Anna Hackett
  • , Sigrun Van Der Haar
  • , Wolfram Henn
  • , Jozef Gecz
  • , Olaf Riess
  • , Michael Bonin
  • , Richard Reinhardt
  • Hans Hilger Ropers, Andreas W. Kuss

Research output: Contribution to journal › Article › peer-review

Abstract

X-linked intellectual disability (XLID), also known as X-linked mental retardation, is a highly genetically heterogeneous condition for which mutations in 90 different genes have been identified. In this study, we used a custom-made sequencing array based on the Affymetrix 50k platform for mutation screening in 17 known XLID genes in patients from 135 families and found eight single-nucleotide changes that were absent in controls. For four mutations affecting ATRX (p.1761MT), PQBP1 (p.155RX) and SLC6A8 (p.390PL and p.477SL), we provide evidence for a functional involvement of these changes in the aetiology of intellectual disability.

Original languageEnglish
Pages (from-to)717-720
Number of pages4
JournalEuropean Journal of Human Genetics
Volume19
Issue number6
DOIs
Publication statusPublished or Issued - Jun 2011
Externally publishedYes

Keywords

  • X-linked intellectual disability
  • X-linked mental retardation
  • array-based resequencing
  • automated PCR
  • mutation analysis

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

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