Variations of the candidate SEZ6L2 gene on Chromosome 16p11.2 in patients with autism spectrum disorders and in human populations.
<h4>Background</h4>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 chromoso...
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oai:doaj.org-article:3b65a7e1a29d49a99ca96c5fd1c824562021-11-18T06:57:46ZVariations of the candidate SEZ6L2 gene on Chromosome 16p11.2 in patients with autism spectrum disorders and in human populations.1932-620310.1371/journal.pone.0017289https://doaj.org/article/3b65a7e1a29d49a99ca96c5fd1c824562011-03-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/21394203/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>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.<h4>Methodology/principal findings</h4>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.<h4>Conclusions/significance</h4>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.Marina KonyukhRichard DelormePauline ChasteClaire LeblondNathalie LemièreGudrun NygrenHenrik AnckarsäterMaria RastamOla StåhlbergFrederique AmsellemI Carina GillbergMarie Christine Mouren-SimeoniEvelyn HerbrechtFabien FauchereauRoberto ToroChristopher GillbergMarion LeboyerThomas BourgeronPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 6, Iss 3, p e17289 (2011) |
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Medicine R Science Q Marina Konyukh Richard Delorme Pauline Chaste Claire Leblond Nathalie Lemière Gudrun Nygren Henrik Anckarsäter Maria Rastam Ola Ståhlberg Frederique Amsellem I Carina Gillberg Marie Christine Mouren-Simeoni Evelyn Herbrecht Fabien Fauchereau Roberto Toro Christopher Gillberg Marion Leboyer Thomas Bourgeron Variations of the candidate SEZ6L2 gene on Chromosome 16p11.2 in patients with autism spectrum disorders and in human populations. |
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<h4>Background</h4>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.<h4>Methodology/principal findings</h4>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.<h4>Conclusions/significance</h4>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. |
format |
article |
author |
Marina Konyukh Richard Delorme Pauline Chaste Claire Leblond Nathalie Lemière Gudrun Nygren Henrik Anckarsäter Maria Rastam Ola Ståhlberg Frederique Amsellem I Carina Gillberg Marie Christine Mouren-Simeoni Evelyn Herbrecht Fabien Fauchereau Roberto Toro Christopher Gillberg Marion Leboyer Thomas Bourgeron |
author_facet |
Marina Konyukh Richard Delorme Pauline Chaste Claire Leblond Nathalie Lemière Gudrun Nygren Henrik Anckarsäter Maria Rastam Ola Ståhlberg Frederique Amsellem I Carina Gillberg Marie Christine Mouren-Simeoni Evelyn Herbrecht Fabien Fauchereau Roberto Toro Christopher Gillberg Marion Leboyer Thomas Bourgeron |
author_sort |
Marina Konyukh |
title |
Variations of the candidate SEZ6L2 gene on Chromosome 16p11.2 in patients with autism spectrum disorders and in human populations. |
title_short |
Variations of the candidate SEZ6L2 gene on Chromosome 16p11.2 in patients with autism spectrum disorders and in human populations. |
title_full |
Variations of the candidate SEZ6L2 gene on Chromosome 16p11.2 in patients with autism spectrum disorders and in human populations. |
title_fullStr |
Variations of the candidate SEZ6L2 gene on Chromosome 16p11.2 in patients with autism spectrum disorders and in human populations. |
title_full_unstemmed |
Variations of the candidate SEZ6L2 gene on Chromosome 16p11.2 in patients with autism spectrum disorders and in human populations. |
title_sort |
variations of the candidate sez6l2 gene on chromosome 16p11.2 in patients with autism spectrum disorders and in human populations. |
publisher |
Public Library of Science (PLoS) |
publishDate |
2011 |
url |
https://doaj.org/article/3b65a7e1a29d49a99ca96c5fd1c82456 |
work_keys_str_mv |
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