Cited by 342Genetics and Neurodevelopmental DisordersAutism Spectrum Disorder ResearchGenomic variations and chromosomal abnormalities

CHD8 regulates neurodevelopmental pathways associated with autism spectrum disorder in neural progenitors

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Sugathan, Aarathi, Biagioli, Marta, Golzio, Christelle, Erdin, Serkan, Blumenthal, Ian, Manavalan, Poornima, Ragavendran, Ashok, Brand, Harrison +9 more·2014·Proceedings of the National Academy of Sciences

Abstract

Significance: Truncating mutation of chromodomain helicase DNA-binding protein 8 ( CHD8 ) represents one of the strongest known risk factors for autism spectrum disorder (ASD). We mimicked the effects of such heterozygous loss-of-function mutations in neural progenitor cells and integrated RNA sequencing with genome-wide delineation of CHD8 binding. Our results reveal that the molecular mechanism by which CHD8 alters neurodevelopmental pathways may involve both direct and indirect effects, the latter involving down-regulation following CHD8 suppression. We also find that chd8 suppression in zebrafish results in macrocephaly, consistent with observations in patients harboring loss-of-function mutations. We show that reduced expression of CHD8 impacts a variety of other functionally distinct ASD-associated genes, suggesting that the diverse functions of ASD risk factors may constitute multiple means of triggering a smaller number of final common pathways.

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Crossref · 10.1073/pnas.1405266111

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  • Sugathan et al. identified 6,860 CHD8-binding sites in human neural progenitor cells.

    “6,860 CHD8-binding sites in human neural progenitor cells using the intersection of signal-enriched regions detected by all three CHD8 antibodies used in the study (Sugathan et al., 2014).”

    From Large-Scale Exome Sequencing Study Implicates Both Developmental and Functional Changes in the Neurobiology of Autism (2020) · cites this paper as Sugathan et al., 2014

    The Results (p. 3) report 7,324 CHD8-binding sites replicated by all three antibodies, not 6,860. Materials and Methods (p. 10) confirms that 7,324 is the count of peaks detected by all three antibodies. (LLM, conf=0.92)

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  • Dysregulation of neural progenitor cell proliferation has been observed in genetically engineered mouse models involving ASD-associated genes (e.g., CHD8).

    “Expansion of basal progenitor cells in rodent models 25 has been shown to regulate cerebral volume size and folding, while the dysregulation of neural progenitor cell proliferation has been observed in a genetically engineered mouse models involving ASD-associated genes (e.g., CHD8) 26 .”

    From Early brain development in infants at high risk for autism spectrum disorder (2017) · cites this paper as [26]

    The Results (p. 7) report increased numbers of proliferating brain cells after chd8 suppression, supporting the link between CHD8 and altered proliferation. But those experiments used zebrafish embryos, not genetically engineered mouse models; the paper's human neural progenitor experiments examined gene expression. (LLM, conf=0.88)

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  • Evidence for enrichment of ASD genes among genes dysregulated in iPSC models of CHD8 or FOXP1 was strongest for genes dysregulated in trans.

    “Indeed, evidence for the enrichment of ASD genes amongi genes that are dysregulated in iPSC models of CHD8 (Sugathan et al., 2014) or FOXP1 (Araujo et al., 2015) was strongest for genes that were dysregulated in trans.”

    From Getting to the cores of autism (2019) · cites this paper as Sugathan et al., 2014

  • Studies on CHD8 and iPS-derived ASD neurons indicate the dysregulation of proliferation and macrocephaly in ASD could be linked to the disruption of these signaling pathways and shortened G1/S transition.

    “Studies on CHD8 and iPS-derived ASD neurons indicate the dysregulation of proliferation and macrocephaly in ASD could be linked to the disruption of these signaling pathways and shortened G1/S transition[54, 55, 57, 94, 183, 192, 193].”
  • In human neural progenitor cells, both MIA-downregulated and MIA-upregulated genes are enriched in CHD8 targets.

    “In human neural progenitor cells both MIA-downregulated (OR=1.66, P=1.58e-7) and upregulated genes (OR=2.71, P=8.29e-87) were enriched in CHD8 targets75 (Figure 2b).”

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Authors
Sugathan, A., Biagioli, M., Golzio, C., Erdin, S., Blumenthal, I., Manavalan, P., Ragavendran, A., Brand, H., Lucente, D., Miles, J., Sheridan, S. D., Stortchevoi, A., Kellis, M., Haggarty, S. J., Katsanis, N., Gusella, J. F., & Talkowski, M. E.
Affiliations
  • Massachusetts General Hospital (US)
  • Molecular Neurogenetics Unit and
  • Center for Human Disease Modeling and
  • University of Missouri Hospital (US)
  • Broad Institute (US)
  • Duke University (US)
Venue
Proceedings of the National Academy of Sciences
Published
2014-10-07
Volume
111
Issue
42
Pages
E4468-77
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2057619579
Cited by
342
References
54
Citations by year
2026: 25 · 2025: 19 · 2024: 26 · 2023: 23 · 2022: 30 · 2021: 29 · 2020: 47 · 2019: 33 · 2018: 33 · 2017: 34 · 2016: 19 · 2015: 23
FWCI
16.60
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc)
  • Iris (University of Trento) (submittedVersion)
Funders
  • National Institute of Mental Health (MH095867, MH095088, R01MH095088, R00MH095867, K99MH095867)
  • National Human Genome Research Institute (R01HG004037)
  • National Cancer Institute (P30CA014236)
  • National Institute of General Medical Sciences (GM061354, P01GM061354)
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 › Genetics › Genomic variations and chromosomal abnormalities
Keywords
CHD8, autism spectrum disorder, neural progenitor cells, brain development, transcriptional regulation, chromatin binding, gene regulatory networks, synaptogenesis, neuronal differentiation, axon guidance, chromatin modification, macrocephaly, zebrafish, truncating mutations
MeSH terms
Animals, Axons, Binding Sites, Child Development Disorders, Pervasive, Chromatin, DNA Helicases, DNA-Binding Proteins, Heterozygote, Humans, Mutation, Neoplasms, Neurons, Protein Binding, Risk Factors, Software, Transcription Factors, Zebrafish, Gene Expression Regulation, Neoplastic, Genome, Sequence Analysis, RNA, Gene Expression Regulation, Developmental, Gene Expression Profiling, Zebrafish Proteins, Gene Regulatory Networks, Megalencephaly, Neural Stem Cells

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