Cited by 1,239Autism Spectrum Disorder ResearchGenetic Associations and EpidemiologyGenetics and Neurodevelopmental Disorders

Most genetic risk for autism resides with common variation

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Gaugler, Trent, Klei, Lambertus, Sanders, Stephan J, Bodea, Corneliu A, Goldberg, Arthur P, Lee, Ann B, Mahajan, Milind, Manaa, Dina +11 more·2014·Nature Genetics

Abstract

A key component of genetic architecture is the allelic spectrum influencing trait variability. For autism spectrum disorder (herein termed autism), the nature of the allelic spectrum is uncertain. Individual risk-associated genes have been identified from rare variation, especially de novo mutations. From this evidence, one might conclude that rare variation dominates the allelic spectrum in autism, yet recent studies show that common variation, individually of small effect, has substantial impact en masse. At issue is how much of an impact relative to rare variation this common variation has. Using a unique epidemiological sample from Sweden, new methods that distinguish total narrow-sense heritability from that due to common variation and synthesis of results from other studies, we reach several conclusions about autism's genetic architecture: its narrow-sense heritability is ∼52.4%, with most due to common variation, and rare de novo mutations contribute substantially to individual liability, yet their contribution to variance in liability, 2.6%, is modest compared to that for heritable variation.

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Crossref · 10.1038/ng.3039

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  • Considering the overall population, the contribution of de novo mutations to ASD risk is quite small (~3%).

    “Considering the overall population, the contribution of de novo mutations to ASD risk is quite small (~3%) 32 .”

    From Autism spectrum disorder (2020) · cites this paper as [32]

    The Abstract reports that de novo CNV and loss-of-function mutations explain 2.6% of the variance in liability to autism, consistent with the claim’s approximate 3% figure. But it specifies that this estimate comes from a sample enriched for those mutations, not the overall population, and measures variance in liability rather than the contribution to risk for an individual. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • Twin and family studies consistently demonstrate that ASD has a particularly large genetic contribution, with estimated heritability ranging from ~40 to 90%.

    “Twin and family studies consistently demonstrate that ASD has a particularly large genetic contribution, with estimated heritability ranging from ~40 to 90% 31,32 .”

    From Autism spectrum disorder (2020) · cites this paper as [32]

    The paper’s heritability discussion (section labeled Abstract; page unavailable) reports a Swedish family-study estimate of 54% and a recent twin-study estimate of 38%, supporting a substantial genetic contribution. But it places early twin estimates close to 100%, above the stated ~90% upper bound, and cautions that those estimates rely on dubious assumptions. The studies therefore do not support the claim’s unqualified consistency or its precise range. (LLM, conf=0.84)

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  • ASD affects 1-1.5% of individuals and is highly heritable, with both common and rare variants contributing to its etiology.

    “ASD affects 1-1.5% of individuals and is highly heritable, with both common and rare variants contributing to its etiology 1-4 .”

    From Identification of common genetic risk variants for autism spectrum disorder (2019) · cites this paper as [2]

    The Abstract reports heritability of approximately 54% and contributions from both common and rare variants. Online Methods (Ascertainment of subjects; page unavailable) reports approximately 100 cases per 10,000—about 1%—for broad autism in the Swedish sample. It does not establish the full 1–1.5% range for individuals generally. (LLM, conf=0.83)

    Experimental — accuracy not yet measured
  • Common variation plays an important role in ASD risk, and recent GWASs reveal a handful of ASD-associated loci.

    “Common variation plays an important role in ASD risk (Gaugler et al., 2014), and recent genome-wide association studies (GWASs) reveal a handful of ASD-associated loci (Grove et al., 2019)”
  • De novo mutations, mostly copy number variants and gene disrupting point mutations, have larger individual effects but collectively explain less than 5% of the overall liability and far less of the heritability.

    “By contrast, de novo mutations, mostly copy number variants (CNVs) and gene disrupting point mutations, have larger individual effects, but collectively explain <5% of the overall liability 1-3 and far less of the heritability.”

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Research works printed but not linked: 1

  1. [17]Cross-Disorder Group of the Psychiatric Genomics, C. et al Genetic relationship between five psychiatric disorders estimated from genome-wide SNPs Nat Genet 2013 45 984 994 23933821 PMC3800159

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Authors
Gaugler, T., Klei, L., Sanders, S. J., Bodea, C. A., Goldberg, A. P., Lee, A. B., Mahajan, M., Manaa, D., Pawitan, Y., Reichert, J., Ripke, S., Sandin, S., Sklar, P., Svantesson, O., Reichenberg, A., Hultman, C. M., Devlin, B., Roeder, K., & Buxbaum, J. D.
Affiliations
  • Carnegie Mellon University (US)
  • University of Pittsburgh (US)
  • University of California, San Francisco (US)
  • Icahn School of Medicine at Mount Sinai (US)
  • Massachusetts General Hospital (US)
  • Karolinska Institutet (SE)
Corresponding author
  • Roeder, Kathryn
  • Buxbaum, Joseph D
Venue
Nature Genetics
Published
2014-07-20
Volume
46
Issue
8
Pages
881-885
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W2033021653
Cited by
1,239
References
36
Citations by year
2026: 60 · 2025: 82 · 2024: 87 · 2023: 82 · 2022: 108 · 2021: 131 · 2020: 148 · 2019: 115 · 2018: 97 · 2017: 115 · 2016: 106 · 2015: 86 · 2014: 22
FWCI
61.18
Type
journal article
Language
en
Open access
Locations
  • Nature Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • Canadian Institutes of Health Research
  • National Institute of Mental Health (MH-066673, MH 57881, R01MH061009, MH66766, R01MH077139, MH097849, R01MH097849, R01MH052708, MH095034, U54MH066673, MH06359, R01MH080647, R37MH057881, U10MH066766, MH 55284, MH081754, R01MH057881, R01MH081754, MH52708, MH080647, R56MH097849, MH057881, R01MH095034, MH077139, MH061009)
  • National Institute of Neurological Disorders and Stroke (NS026630, NS049261, P01NS026630, R01NS049261, R01NS042165, NS-042165)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (P50HD055751, P50HD055782, HD055784, HD055751, P50HD055784, HD055782, HD35465)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
Keywords
autism spectrum disorder, genetic architecture, common genetic variants, rare variants, de novo mutations, narrow-sense heritability
MeSH terms
Adolescent, Adult, Aged, Alleles, Autistic Disorder, Child, Humans, Middle Aged, Mutation, Risk Factors, Sweden, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, Young Adult

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