Cited by 145Genetics and Neurodevelopmental DisordersAutism Spectrum Disorder ResearchPluripotent Stem Cells Research

Complete disruption of autism-susceptibility genes by gene editing predominantly reduces functional connectivity of isogenic human neurons

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Deneault, Eric, White, Sean H., Rodrigues, Deivid C., Ross, P. Joel, Faheem, Muhammad, Zaslavsky, Kirill, Wang, Zhuozhi, Alexandrova, Roumiana +15 more·2018·Stem Cell Reports

Published version of a preprint

Abstract

Autism spectrum disorder (ASD) is phenotypically and genetically heterogeneous. We present a CRISPR gene editing strategy to insert a protein tag and premature termination sites creating an induced pluripotent stem cell (iPSC) knockout resource for functional studies of ten ASD-relevant genes (AFF2/FMR2, ANOS1, ASTN2, ATRX, CACNA1C, CHD8, DLGAP2, KCNQ2, SCN2A, TENM1). Neurogenin 2 (NGN2)-directed induction of iPSCs allowed production of excitatory neurons, and mutant proteins were not detectable. RNA sequencing revealed convergence of several neuronal networks. Using both patch-clamp and multi-electrode array approaches, the electrophysiological deficits measured were distinct for different mutations. However, they culminated in a consistent reduction in synaptic activity, including reduced spontaneous excitatory postsynaptic current frequencies in AFF2/FMR2-, ASTN2-, ATRX-, KCNQ2-, and SCN2A-null neurons. Despite ASD susceptibility genes belonging to different gene ontologies, isogenic stem cell resources can reveal common functional phenotypes, such as reduced functional connectivity.

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Crossref · 10.1016/j.stemcr.2018.10.003

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  • Recent efforts have been initiated to systematize phenotyping of model systems and apply a standard battery of assays to gene mutations on a single isogenic background.

    “Recent efforts have been initiated to systematize the phenotyping of model systems and to apply a standard battery of assays to gene mutations on a single isogenic background (Deneault et al., 2018) and https://bit.ly/2Tc0lQ4).”

    From Getting to the cores of autism (2019) · cites this paper as Deneault et al., 2018

  • In a systematic screen of ten ASD susceptibility genes using CRISPR/Cas9 iPSC lines and isogenic controls, patch-clamp recordings detected reduced EPSPs in a subset including ATRX, AFF2, KCNQ2, SCN2A, and ASTN2.

    “In a systematic screen of ten ASD susceptibility genes (AFF2/FMR2, ANOS1, ASTN2, ATRX, CACNA1C, CHD8, DLGAP2, KCNQ2, SCN2A, TENM1) using CRISPR/Cas9-created iPSC lines and isogenic controls (Deneault et al., 2018), patch-clamp recordings detected reduced excitatory postsynaptic potentials (EPSPs) in a subset of gene models including ATRX, AFF2, KCNQ2, SCN2A, and ASTN2.”

    From Getting to the cores of autism (2019) · cites this paper as Deneault et al., 2018

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Authors
Deneault, E., White, S. H., Rodrigues, D. C., Ross, P. J., Faheem, M., Zaslavsky, K., Wang, Z., Alexandrova, R., Pellecchia, G., Wei, W., Piekna, A., Kaur, G., Howe, J. L., Kwan, V., Thiruvahindrapuram, B., Walker, S., Lionel, A. C., Pasceri, P., Merico, D., Yuen, R. K. C., Singh, K. K., Ellis, J., & Scherer, S. W.
Affiliations
  • McMaster University (CA)
  • Hospital for Sick Children (CA)
  • University of Toronto (CA)
Corresponding author
  • Singh, Karun K.
  • Ellis, James
  • Scherer, Stephen W.
Venue
Stem Cell Reports
Publisher
Elsevier BV
Published
2018-11
Volume
11
Issue
5
Pages
1211-1225
ISSN
2213-6711 (ISSN-L)
OpenAlex
W2949852486
Cited by
145
References
60
Citations by year
2026: 11 · 2025: 16 · 2024: 9 · 2023: 25 · 2022: 21 · 2021: 22 · 2020: 27 · 2019: 13
FWCI
9.94
Type
journal article
Language
en
Update notices
erratum (2019-02-12)
Open access
Locations
  • Stem Cell Reports (publishedVersion, cc-by-nc-nd)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • IslandScholar (University of Prince Edward Island) (submittedVersion, cc-by-nc-nd)
Funders
  • Centre for Applied Genomics
  • Canadian Institutes of Health Research (FDN 143295, XGG-125818, EPS-129129, 148814)
  • Canadian Institute for Advanced Research
  • McLaughlin Centre
  • Canada Foundation for Innovation
  • Ontario Research Fund (GL2-01-013)
  • Autism Speaks
  • Hospital for Sick Children
  • Ontario Brain Institute
  • Natural Sciences and Engineering Research Council
  • Scottish Rite Charitable Foundation
  • NIH (4R33MH087908)
  • Province of Ontario Neurodevelopmental Disorders
  • Fonds de Recherche en Santé du Québec
  • Fragile X Research Foundation
  • International Rett Syndrome Foundation
  • Ontario Stem Cell Initiative
  • Ontario Ministry of Research & Innovation
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Pluripotent Stem Cells Research
Keywords
autism spectrum disorder, autism susceptibility genes, functional connectivity, excitatory postsynaptic currents, spontaneous synaptic activity, KCNQ2, SCN2A, ATRX, ASTN2, CHD8, CACNA1C, anosmin-1
MeSH terms
Gene Editing, Autistic Disorder, Cell Line, Electrodes, Humans, Neurons, Phenotype, Mutagenesis, Insertional, Genetic Predisposition to Disease, Gene Knockout Techniques, Induced Pluripotent Stem Cells, HEK293 Cells

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