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Variations of the Candidate SEZ6L2 Gene on Chromosome 16p11.2 in Patients with Autism Spectrum Disorders and in Human Populations

Konyukh, Marina ; Delorme, Richard ; Chaste, Pauline ; Leblond, Claire ; Lemière, Nathalie ; Nygren, Gudrun ; Anckarsäter, Henrik LU ; Råstam, Maria LU orcid ; Ståhlberg, Ola and Amsellem, Frederique , et al. (2011) In PLoS ONE 6(3).
Abstract
Background: Autism spectrum disorders (ASD) are a group of severe childhood neurodevelopmental disorders with still unknown etiology. One of the most frequently reported associations is the presence of recurrent de novo or inherited microdeletions and microduplications on chromosome 16p11.2. The analysis of rare variations of 8 candidate genes among the 27 genes located in this region suggested SEZ6L2 as a compelling candidate.



Methodology/Principal Findings: We further explored the role of SEZ6L2 variations by screening its coding part in a group of 452 individuals, including 170 patients with ASD and 282 individuals from different ethnic backgrounds of the Human Genome Diversity Panel (HGDP), complementing the... (More)
Background: Autism spectrum disorders (ASD) are a group of severe childhood neurodevelopmental disorders with still unknown etiology. One of the most frequently reported associations is the presence of recurrent de novo or inherited microdeletions and microduplications on chromosome 16p11.2. The analysis of rare variations of 8 candidate genes among the 27 genes located in this region suggested SEZ6L2 as a compelling candidate.



Methodology/Principal Findings: We further explored the role of SEZ6L2 variations by screening its coding part in a group of 452 individuals, including 170 patients with ASD and 282 individuals from different ethnic backgrounds of the Human Genome Diversity Panel (HGDP), complementing the previously reported screening. We detected 7 previously unidentified

non-synonymous variations of SEZ6L2 in ASD patients. We also identified 6 non-synonymous variations present only in HGDP. When we merged our results with the previously published, no enrichment of non-synonymous variation in SEZ6L2 was observed in the ASD group compared with controls.



Conclusions/Significance: Our results provide an extensive ascertainment of the genetic variability of SEZ6L2 in human populations and do not support a major role for SEZ6L2 sequence variations in the susceptibility to ASD. (Less)
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
PLoS ONE
volume
6
issue
3
article number
e17289
publisher
Public Library of Science (PLoS)
external identifiers
  • wos:000288025500007
  • scopus:79952348759
DOI
10.1371/journal.pone.0017289
language
English
LU publication?
yes
id
0a8e0abd-c8b2-4661-8f78-f08a1ebcd4df (old id 1857940)
date added to LUP
2016-04-04 10:42:04
date last changed
2022-04-23 23:25:48
@article{0a8e0abd-c8b2-4661-8f78-f08a1ebcd4df,
  abstract     = {{Background: Autism spectrum disorders (ASD) are a group of severe childhood neurodevelopmental disorders with still unknown etiology. One of the most frequently reported associations is the presence of recurrent de novo or inherited microdeletions and microduplications on chromosome 16p11.2. The analysis of rare variations of 8 candidate genes among the 27 genes located in this region suggested SEZ6L2 as a compelling candidate.<br/><br>
<br/><br>
Methodology/Principal Findings: We further explored the role of SEZ6L2 variations by screening its coding part in a group of 452 individuals, including 170 patients with ASD and 282 individuals from different ethnic backgrounds of the Human Genome Diversity Panel (HGDP), complementing the previously reported screening. We detected 7 previously unidentified<br/><br>
non-synonymous variations of SEZ6L2 in ASD patients. We also identified 6 non-synonymous variations present only in HGDP. When we merged our results with the previously published, no enrichment of non-synonymous variation in SEZ6L2 was observed in the ASD group compared with controls.<br/><br>
<br/><br>
Conclusions/Significance: Our results provide an extensive ascertainment of the genetic variability of SEZ6L2 in human populations and do not support a major role for SEZ6L2 sequence variations in the susceptibility to ASD.}},
  author       = {{Konyukh, Marina and Delorme, Richard and Chaste, Pauline and Leblond, Claire and Lemière, Nathalie and Nygren, Gudrun and Anckarsäter, Henrik and Råstam, Maria and Ståhlberg, Ola and Amsellem, Frederique and Gillberg, I Carina and Mouren-Simeoni, Marie Christine and Herbrecht, Evelyn and Fauchereau, Fabien and Toro, Roberto and Gillberg, Christopher and Leboyer, Marion and Bourgeron, Thomas}},
  language     = {{eng}},
  number       = {{3}},
  publisher    = {{Public Library of Science (PLoS)}},
  series       = {{PLoS ONE}},
  title        = {{Variations of the Candidate SEZ6L2 Gene on Chromosome 16p11.2 in Patients with Autism Spectrum Disorders and in Human Populations}},
  url          = {{https://lup.lub.lu.se/search/files/5601115/2365540.pdf}},
  doi          = {{10.1371/journal.pone.0017289}},
  volume       = {{6}},
  year         = {{2011}},
}