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Strong evidence that KIAA0319 on chromosome 6p is a susceptibility gene for developmental dyslexia.


ABSTRACT: Linkage between developmental dyslexia (DD) and chromosome 6p has been replicated in a number of independent samples. Recent attempts to identify the gene responsible for the linkage have produced inconsistent evidence for association of DD with a number of genes in a 575-kb region of chromosome 6p22.2, including VMP, DCDC2, KIAA0319, TTRAP, and THEM2. We aimed to identify the specific gene or genes involved by performing a systematic, high-density (approximately 2-3-kb intervals) linkage disequilibrium screen of these genes in an independent sample, incorporating family-based and case-control designs in which dyslexia was defined as an extreme representation of reading disability. Using DNA pooling, we first observed evidence for association with 17 single-nucleotide polymorphisms (SNPs), 13 of which were located in the KIAA0319 gene (P<.01-.003). After redundant SNPs were excluded, 10 SNPs were individually genotyped in 223 subjects with DD and 273 controls. Those SNPs that were significant at P

SUBMITTER: Cope N 

PROVIDER: S-EPMC1199296 | biostudies-literature | 2005 Apr

REPOSITORIES: biostudies-literature

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Strong evidence that KIAA0319 on chromosome 6p is a susceptibility gene for developmental dyslexia.

Cope Natalie N   Harold Denise D   Hill Gary G   Moskvina Valentina V   Stevenson Jim J   Holmans Peter P   Owen Michael J MJ   O'Donovan Michael C MC   Williams Julie J  

American journal of human genetics 20050216 4


Linkage between developmental dyslexia (DD) and chromosome 6p has been replicated in a number of independent samples. Recent attempts to identify the gene responsible for the linkage have produced inconsistent evidence for association of DD with a number of genes in a 575-kb region of chromosome 6p22.2, including VMP, DCDC2, KIAA0319, TTRAP, and THEM2. We aimed to identify the specific gene or genes involved by performing a systematic, high-density (approximately 2-3-kb intervals) linkage disequ  ...[more]

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