4.2 Article

Analysis of dyslexia candidate genes in the Raine cohort representing the general Australian population

Journal

GENES BRAIN AND BEHAVIOR
Volume 10, Issue 2, Pages 158-165

Publisher

WILEY
DOI: 10.1111/j.1601-183X.2010.00651.x

Keywords

Association study; dyslexia; DYX1C1; Raine study; reading skills

Funding

  1. National Health and Medical Research Council (NHMRC) [572613]
  2. University of Western Australia (UWA)
  3. UWA Faculty of Medicine, Dentistry and Health Sciences
  4. Raine Medical Research Foundation
  5. Telethon Institute for Child Health Research
  6. Women's and Infants Research Foundation
  7. Wellcome Trust [9076566/Z/05/Z, 075491/Z/04]
  8. Medical Research Council [G0800523] Funding Source: researchfish
  9. MRC [G0800523] Funding Source: UKRI

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Several genes have been suggested as dyslexia candidates. Some of these candidate genes have been recently shown to be associated with literacy measures in sample cohorts derived from the general population. Here, we have conducted an association study in a novel sample derived from the Australian population (the Raine cohort) to further investigate the role of dyslexia candidate genes. We analysed markers, previously reported to be associated with dyslexia, located within the MRPL19/C2ORF3, KIAA0319, DCDC2 and DYX1C1 genes in a sample of 520 individuals and tested them for association with reading and spelling measures. Association signals were detected for several single nucleotide polymorphisms (SNPs) within DYX1C1 with both the reading and spelling tests. The high linkage disequilibrium (LD) we observed across the DYX1C1 gene suggests that the association signal might not be refined by further genetic mapping.

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