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Auteur Lingling SHI |
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Whole-genome sequencing in an autism multiplex family / Lingling SHI in Molecular Autism, (April 2013)
[article]
Titre : Whole-genome sequencing in an autism multiplex family Type de document : Texte imprimé et/ou numérique Auteurs : Lingling SHI, Auteur ; Xu ZHANG, Auteur ; Ryan GOLHAR, Auteur ; Frederick OTIENO, Auteur ; Mingze HE, Auteur ; Cuiping HOU, Auteur ; Cecilia KIM, Auteur ; Brendan KEATING, Auteur ; Gholson LYON, Auteur ; Kai WANG, Auteur ; Hakon HAKONARSON, Auteur Année de publication : 2013 Article en page(s) : 15 p. Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : BACKGROUND:Autism spectrum disorders (ASDs) represent a group of childhood neurodevelopmental disorders that affect 1 in 88 children in the US. Previous exome sequencing studies on family trios have implicated a role for rare, de-novo mutations in the pathogenesis of autism.METHODS:To examine the utility of whole-genome sequencing to identify inherited disease candidate variants and genes, we sequenced two probands from a large pedigree, including two parents and eight children. We evaluated multiple analytical strategies to identify a prioritized list of candidate genes.RESULTS:By assuming a recessive model of inheritance, we identified seven candidate genes shared by the two probands. We also evaluated a different analytical strategy that does not require the assumption of disease model, and identified a list of 59 candidate variants that may increase susceptibility to autism. Manual examination of this list identified ANK3 as the most likely candidate gene. Finally, we identified 33 prioritized non-coding variants such as those near SMG6 and COQ5, based on evolutionary constraint and experimental evidence from ENCODE. Although we were unable to confirm rigorously whether any of these genes indeed contribute to the disease, our analysis provides a prioritized shortlist for further validation studies.CONCLUSIONS:Our study represents one of the first whole-genome sequencing studies in autism leveraging a large family-based pedigree. These results provide for a discussion on the relative merits of finding de-novo mutations in sporadic cases versus finding inherited mutations in large pedigrees, in the context of neuropsychiatric and neurodevelopmental diseases. En ligne : http://dx.doi.org/10.1186/2040-2392-4-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=202
in Molecular Autism > (April 2013) . - 15 p.[article] Whole-genome sequencing in an autism multiplex family [Texte imprimé et/ou numérique] / Lingling SHI, Auteur ; Xu ZHANG, Auteur ; Ryan GOLHAR, Auteur ; Frederick OTIENO, Auteur ; Mingze HE, Auteur ; Cuiping HOU, Auteur ; Cecilia KIM, Auteur ; Brendan KEATING, Auteur ; Gholson LYON, Auteur ; Kai WANG, Auteur ; Hakon HAKONARSON, Auteur . - 2013 . - 15 p.
Langues : Anglais (eng)
in Molecular Autism > (April 2013) . - 15 p.
Index. décimale : PER Périodiques Résumé : BACKGROUND:Autism spectrum disorders (ASDs) represent a group of childhood neurodevelopmental disorders that affect 1 in 88 children in the US. Previous exome sequencing studies on family trios have implicated a role for rare, de-novo mutations in the pathogenesis of autism.METHODS:To examine the utility of whole-genome sequencing to identify inherited disease candidate variants and genes, we sequenced two probands from a large pedigree, including two parents and eight children. We evaluated multiple analytical strategies to identify a prioritized list of candidate genes.RESULTS:By assuming a recessive model of inheritance, we identified seven candidate genes shared by the two probands. We also evaluated a different analytical strategy that does not require the assumption of disease model, and identified a list of 59 candidate variants that may increase susceptibility to autism. Manual examination of this list identified ANK3 as the most likely candidate gene. Finally, we identified 33 prioritized non-coding variants such as those near SMG6 and COQ5, based on evolutionary constraint and experimental evidence from ENCODE. Although we were unable to confirm rigorously whether any of these genes indeed contribute to the disease, our analysis provides a prioritized shortlist for further validation studies.CONCLUSIONS:Our study represents one of the first whole-genome sequencing studies in autism leveraging a large family-based pedigree. These results provide for a discussion on the relative merits of finding de-novo mutations in sporadic cases versus finding inherited mutations in large pedigrees, in the context of neuropsychiatric and neurodevelopmental diseases. En ligne : http://dx.doi.org/10.1186/2040-2392-4-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=202