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The Influence of Dyslexia Candidate Genes on Reading Skill in Old Age.


ABSTRACT: A number of candidate genes for reading and language impairment have been replicated, primarily in samples of children with developmental disability or delay, although these genes are also supported in adolescent population samples. The present study used a systematic approach to test 14 of these candidate genes for association with reading assessed in late adulthood (two cohorts with mean ages of 70 and 79 years). Gene-sets (14 candidates, axon-guidance and neuron migration pathways) and individual SNPs within each gene of interest were tested for association using imputed data referenced to the 1000 genomes European panel. Using the results from the genome-wide association (GWA) meta-analysis of the two cohorts (N?=?1217), a competitive gene-set analysis showed that the candidate gene-set was associated with the reading index (p?=?.016) at a family wise error rate corrected significance level. Neither axon guidance nor neuron migration pathways were significant. Whereas individual SNP associations within CYP19A1, DYX1C1, CNTNAP2 and DIP2A genes (p?

SUBMITTER: Luciano M 

PROVIDER: S-EPMC6097729 | biostudies-literature | 2018 Sep

REPOSITORIES: biostudies-literature

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The Influence of Dyslexia Candidate Genes on Reading Skill in Old Age.

Luciano Michelle M   Gow Alan J AJ   Pattie Alison A   Bates Timothy C TC   Deary Ian J IJ  

Behavior genetics 20180629 5


A number of candidate genes for reading and language impairment have been replicated, primarily in samples of children with developmental disability or delay, although these genes are also supported in adolescent population samples. The present study used a systematic approach to test 14 of these candidate genes for association with reading assessed in late adulthood (two cohorts with mean ages of 70 and 79 years). Gene-sets (14 candidates, axon-guidance and neuron migration pathways) and indivi  ...[more]

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