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Common EIF4E variants modulate risk for autism spectrum disorders in the high-functioning range
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Common EIF4E variants modulate risk for autism spectrum disorders in the high-functioning range
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Common EIF4E variants modulate risk for autism spectrum disorders in the high-functioning range
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Journal Article
Common EIF4E variants modulate risk for autism spectrum disorders in the high-functioning range
2014
Overview
The genetic architecture of Autism Spectrum Disorders (ASD) is complex. Common genetic variation has especially been related to high-functioning ASD. In addition, some studies favoured analysis of strictly diagnosed autism individuals, which resulted in more robust findings than the combined analysis of all spectrum individuals. Functional variants modulating
EIF4E
expression have previously been indicated as risk factors for ASD. Pharmacological modulation of glutamate receptors which regulate EIF4E activity resulted in reduced repetitive behaviours in human and animal studies. Based on these findings, we tested common
EIF4E
variants for association with overall ASD, with strict autism and with the strict high-functioning autism (strict HFA) subgroup, and their effect on repetitive and/or stereotypic behaviour. We observed over-transmission of rs13109000G in the strict HFA and the strict autism cohort but not in the larger ASD cohort. We report protective effects for the minor allele of rs4699369T on stereotyped and ritualized behaviour in the overall ASD cohort, the strict autism but not in the strict HFA group. In addition, a protective role for rs4699369T and a risk effect of rs12498533G on hand and finger mannerisms was observed. These results need to be replicated in larger ASD and strict autism samples. The predicted impact on transcription through the ASD associated
EIF4E
variants rs4699369T and rs12498533G as well as the association of the EIF4E interaction partners FMRP and CYFIP1 with ASD point to an mRNA mediated pathomechanism for ASD.
Publisher
Springer Vienna,Springer Nature B.V
