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Absence of coding mutations in the X‐linked genes neuroligin 3 and neuroligin 4 in individuals with autism from the IMGSAC collection

Absence of coding mutations in the X‐linked genes neuroligin 3 and neuroligin 4 in individuals... Neuroligin abnormalities have been recently implicated in the aetiology of autism spectrum disorders (ASD), given the finding of point mutations in the two X‐linked genes NLGN3 and NLGN4X and the important role of neuroligins in synaptogenesis. To enquire on the relevance and frequency of neuroligin mutations in ASD, we performed a mutation screening of NLGN3 and NLGN4X in a sample of 124 autism probands from the International Molecular Genetic Study of Autism Consortium (IMGSAC). We identified a new non‐synonymous variant in NLGN3 (Thr632Ala), which is likely to be a rare polymorphism. Our data indicate that coding mutations in these genes are very rarely associated to ASD. © 2006 Wiley‐Liss, Inc. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Medical Genetics part B Wiley

Absence of coding mutations in the X‐linked genes neuroligin 3 and neuroligin 4 in individuals with autism from the IMGSAC collection

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References (11)

Publisher
Wiley
Copyright
Copyright © 2006 Wiley‐Liss, Inc., A Wiley Company
ISSN
1552-4841
eISSN
1552-485X
DOI
10.1002/ajmg.b.30287
pmid
16508939
Publisher site
See Article on Publisher Site

Abstract

Neuroligin abnormalities have been recently implicated in the aetiology of autism spectrum disorders (ASD), given the finding of point mutations in the two X‐linked genes NLGN3 and NLGN4X and the important role of neuroligins in synaptogenesis. To enquire on the relevance and frequency of neuroligin mutations in ASD, we performed a mutation screening of NLGN3 and NLGN4X in a sample of 124 autism probands from the International Molecular Genetic Study of Autism Consortium (IMGSAC). We identified a new non‐synonymous variant in NLGN3 (Thr632Ala), which is likely to be a rare polymorphism. Our data indicate that coding mutations in these genes are very rarely associated to ASD. © 2006 Wiley‐Liss, Inc.

Journal

American Journal of Medical Genetics part BWiley

Published: Apr 5, 2006

Keywords: autism; neuroligin; chromosome X; mutation screening; synaptogenesis

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