Genetic variant in KIAA0319, but not in DYX1C1, is associated with risk of dyslexia: An integrated meta-analysis

DYX1C1 and KIAA0319 have been two of the most extensively studied candidate genes for dyslexia given their important roles in the neuronal migration and neurite growth. The −3G > A in DYX1C1 and the 931C > T in KIAA0319 were of special interest for dyslexia but with inconsistent results. We pe...

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Veröffentlicht in:American journal of medical genetics. Part B, Neuropsychiatric genetics Neuropsychiatric genetics, 2012-12, Vol.159B (8), p.970-976
Hauptverfasser: Zou, Li, Chen, Wei, Shao, Shanshan, Sun, Zhao, Zhong, Rong, Shi, Junxin, Miao, Xiaoping, Song, Ranran
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container_issue 8
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container_title American journal of medical genetics. Part B, Neuropsychiatric genetics
container_volume 159B
creator Zou, Li
Chen, Wei
Shao, Shanshan
Sun, Zhao
Zhong, Rong
Shi, Junxin
Miao, Xiaoping
Song, Ranran
description DYX1C1 and KIAA0319 have been two of the most extensively studied candidate genes for dyslexia given their important roles in the neuronal migration and neurite growth. The −3G > A in DYX1C1 and the 931C > T in KIAA0319 were of special interest for dyslexia but with inconsistent results. We performed a meta‐analysis integrating case–control and transmission/disequilibrium test (TDT) studies to clearly discern the effect of these two variants in dyslexia. Data from case–control and TDT studies were analyzed in an allelic model using the Catmap software. In overall meta‐analysis, the pooled OR for the −3A allele and the 931T allele was 0.68 (95% CI = 0.25–1.87, Pheterogeneity = 0.000) and 0.87 (95% CI = 0.78–0.98, Pheterogeneity = 0.125), respectively. The stratified analysis showed that the between‐study heterogeneity regarding the −3G > A polymorphism might be accounted by the publication year. Additionally, the sensitivity analysis of −3G > A polymorphism indicated the stability of the result. In conclusion, our results suggested that the 931C > T variant in KIAA0319, but not the −3G > A in DYX1C1, was significantly associated with the risk of dyslexia. © 2012 Wiley Periodicals, Inc.
doi_str_mv 10.1002/ajmg.b.32102
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The −3G &gt; A in DYX1C1 and the 931C &gt; T in KIAA0319 were of special interest for dyslexia but with inconsistent results. We performed a meta‐analysis integrating case–control and transmission/disequilibrium test (TDT) studies to clearly discern the effect of these two variants in dyslexia. Data from case–control and TDT studies were analyzed in an allelic model using the Catmap software. In overall meta‐analysis, the pooled OR for the −3A allele and the 931T allele was 0.68 (95% CI = 0.25–1.87, Pheterogeneity = 0.000) and 0.87 (95% CI = 0.78–0.98, Pheterogeneity = 0.125), respectively. The stratified analysis showed that the between‐study heterogeneity regarding the −3G &gt; A polymorphism might be accounted by the publication year. Additionally, the sensitivity analysis of −3G &gt; A polymorphism indicated the stability of the result. 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The stratified analysis showed that the between‐study heterogeneity regarding the −3G &gt; A polymorphism might be accounted by the publication year. Additionally, the sensitivity analysis of −3G &gt; A polymorphism indicated the stability of the result. In conclusion, our results suggested that the 931C &gt; T variant in KIAA0319, but not the −3G &gt; A in DYX1C1, was significantly associated with the risk of dyslexia. © 2012 Wiley Periodicals, Inc.</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc., A Wiley Company</pub><pmid>23065966</pmid><doi>10.1002/ajmg.b.32102</doi><tpages>7</tpages></addata></record>
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subjects Axonogenesis
Biological and medical sciences
Case-Control Studies
Disorders of higher nervous function. Focal brain diseases. Central vestibular syndrome and deafness. Brain stem syndromes
dyslexia
Dyslexia - genetics
DYX1C1
Genetic Association Studies
Genetic Predisposition to Disease
Genetics
Humans
KIAA0319
Medical genetics
Medical sciences
meta-analysis
Nerve Tissue Proteins - genetics
Nervous system (semeiology, syndromes)
Neurology
Nuclear Proteins - genetics
Polymorphism, Single Nucleotide
susceptibility
title Genetic variant in KIAA0319, but not in DYX1C1, is associated with risk of dyslexia: An integrated meta-analysis
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