Cited by 28Autism Spectrum Disorder ResearchGenetics and Neurodevelopmental DisordersGenomic variations and chromosomal abnormalities

Chromatin regulators, phenotypic robustness, and autism risk

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Suliman, Reut, Ben-David, Eyal, Shifman, Sagiv·2014·Frontiers in Genetics

Abstract

Though extensively characterized clinically, the causes of autism spectrum disorder (ASD) remain a mystery. ASD is known to have a strong genetic basis, but it is genetically very heterogeneous. Recent studies have estimated that de novo disruptive mutations in hundreds of genes may contribute to ASD. However, it is unclear how it is possible for mutations in so many different genes to contribute to ASD. Recent findings suggest that many of the mutations disrupt genes involved in transcription regulation that are expressed prenatally in the developing brain. De novo disruptive mutations are also more frequent in girls with ASD, despite the fact that ASD is more prevalent in boys. In this paper, we hypothesize that loss of robustness may contribute to ASD. Loss of phenotypic robustness may be caused by mutations that disrupt capacitors that operate in the developing brain. This may lead to the release of cryptic genetic variation that contributes to ASD. Reduced robustness is consistent with the observed variability in expressivity and incomplete penetrance. It is also consistent with the hypothesis that the development of the female brain is more robust, and it may explain the higher rate and severity of disruptive de novo mutations in girls with ASD.

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Crossref · 10.3389/fgene.2014.00081

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  • Natural selection on developmental programmes in humans has led to robustness in a range of genetic or environmental perturbations, so typical development occurs along a track.

    “We frame this issue using the concept of developmental canalization88, whereby natural selection on developmental programmes in humans has led to robustness in a range of genetic or environmental perturbations89,90: typical development occurs along a ‘track’ (FIG. 1c).”

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Authors
Suliman, R., Ben-David, E., & Shifman, S.
Affiliations
Hebrew University of Jerusalem (IL)
Corresponding author
Shifman, Sagiv
Venue
Frontiers in Genetics
Published
2014-04-10
Volume
5
Pages
81-81
ISSN
1664-8021 (ISSN-L)
OpenAlex
W2067547629
Cited by
28
References
92
Citations by year
2026: 2 · 2025: 1 · 2023: 1 · 2022: 1 · 2021: 4 · 2020: 3 · 2019: 5 · 2018: 1 · 2017: 2 · 2016: 6 · 2015: 2
FWCI
1.86
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Genetics (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Autism Speaks
  • Simons Foundation
  • Legacy Heritage Fund
  • Simons Foundation Autism Research Initiative
  • Israel Science Foundation
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomic variations and chromosomal abnormalities
Keywords
autism spectrum disorder, phenotypic robustness, chromatin regulators, transcriptional regulation, genetic heterogeneity, cryptic genetic variation, penetrance, fetal brain development

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