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Large-Scale Exome Sequencing Study Implicates Both Developmental and Functional Changes in the Neurobiology of Autism

F Kyle Satterstrom 1, 2 Jack Kosmicki 1, 2, 3 Jiebiao Wang 4 Michael Breen 5 Silvia de Rubeis 5 Joon-Yong An 6, 7 Minshi Peng 4 Ryan Collins 2, 3 Jakob Grove 8, 9, 10 Lambertus Klei 11 Christine Stevens 1, 3, 2 Jennifer Reichert 5 Maureen Mulhern 5 Mykyta Artomov 1, 3, 2 Sherif Gerges 1, 3, 2 Brooke Sheppard 6 Xinyi Xu 5 Aparna Bhaduri 6, 12 Utku Norman 13 Harrison Brand 2 Grace Schwartz 6 Rachel Nguyen 14 Elizabeth Guerrero 15 Caroline Dias 16 Catalina Betancur 17 Edwin Cook 18 Louise Gallagher 19 Michael Gill 19 James Sutcliffe 20 Audrey Thurm 21 Michael Zwick 22 Anders Børglum 8, 10, 9 Matthew State 6 A. Ercument Cicek 4, 13 Michael Talkowski 2 David Cutler 22 Bernie Devlin 11 Stephan Sanders 6 Kathryn Roeder 4 Mark Daly 1, 2, 3, 23 Joseph Buxbaum 5
Abstract : We present the largest exome sequencing study of autism spectrum disorder (ASD) to date (n = 35,584 total samples, 11,986 with ASD). Using an enhanced analytical framework to integrate de novo and case-control rare variation, we identify 102 risk genes at a false discovery rate of 0.1 or less. Of these genes, 49 show higher frequencies of disruptive de novo variants in individuals ascertained to have severe neurodevelopmental delay, whereas 53 show higher frequencies in individuals ascertained to have ASD; comparing ASD cases with mutations in these groups reveals phenotypic differences. Expressed early in brain development, most risk genes have roles in regulation of gene expression or neuronal communication (i.e., mutations effect neurodevelopmental and neurophysiological changes), and 13 fall within loci recurrently hit by copy number variants. In cells from the human cortex, expression of risk genes is enriched in excitatory and inhibitory neuronal lineages, consistent with multiple paths to an excitatory-inhibitory imbalance underlying ASD.
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https://www.hal.inserm.fr/inserm-03135343
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Submitted on : Monday, February 8, 2021 - 9:20:10 PM
Last modification on : Thursday, February 11, 2021 - 3:30:03 AM

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F Kyle Satterstrom, Jack Kosmicki, Jiebiao Wang, Michael Breen, Silvia de Rubeis, et al.. Large-Scale Exome Sequencing Study Implicates Both Developmental and Functional Changes in the Neurobiology of Autism. Cell, Elsevier, 2020, 180 (3), pp.568-584.e23. ⟨10.1016/j.cell.2019.12.036⟩. ⟨inserm-03135343⟩

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