Cited by 306Autism Spectrum Disorder ResearchGenetics and Neurodevelopmental DisordersGenetic Associations and Epidemiology

The conundrums of understanding genetic risks for autism spectrum disorders

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State, Matthew W, Levitt, Pat·2011·Nature Neuroscience

Abstract

Recent advances in the genetics of autism spectrum disorders (ASDs) are offering new valuable insights into molecular and cellular mechanisms of pathology. At the same time, the emerging data challenge long-standing diagnostic conventions and the notion of phenotypic specificity. This review addresses the particular issues that attend gene discovery in neuropsychiatric and neurodevelopmental disorders and ASDs in particular, summarizes recent findings in human genetics broadly that are driving the reevaluation of the conventional wisdom regarding the allelic architecture of common psychiatric conditions, reviews selected discoveries in ASDs and their relevance to models of pathology, highlights the conceptual and practical issues raised by the observation of a convergence of ASD genetic risks with distinct psychiatric disorders, and considers the important interplay of studies of neurobiology and genetics in clarifying and extending our understanding of social disability syndromes.

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  • ASD is often caused by newly arising CNVs or rare germline mutations, particularly in sperm of older fathers.

    “ASD is often due to newly arising gene copy number variants (CNVs) — such as a deletion or duplication of a region of a chromosome — or a rare mutation that arises in the germ cell, particularly in sperm of older fathers5–10.”
  • Rare genetic variations play a significant part in the aetiology of ASD.

    “Rare genetic variations play a significant part in the aetiology of ASD.”
  • Rare mutations in NLGN4, NLGN3, NRXN1, SHANK2, SHANK3, and CNTNAP2 have been identified in multiple individuals with ASD, suggesting these mutations contribute to the disorder.

    “More subtle, rare mutations in NLGN4, NLGN3, NRXN1, SHANK2, SHANK3, CNTNAP2 (ref. 5) have also been identified in multiple individuals with ASD, suggesting that these mutations also contribute these disorders.”
  • Mutations in multiple synaptic cell adhesion molecules and PSD components are associated with ASD.

    “Mutations in multiple synaptic cell adhesion molecules and components of the PSD are associated with ASD.”
  • Several de novo CNVs associated with ASD have been detected multiple times, including CNVs at 16p11.2, 15q11-13, 22q11.2, deletions at NRXN1, and duplications at 7q11.23.

    “Several de novo CNVs that are associated with ASD have been detected multiple times, including CNVs at 16p11.2, 15q11–13, 22q11.2, deletions at NRXN1, and duplications at 7q11.235,32.”

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Research works printed but not linked: 2

  1. [68]Pinto D Functional impact of global rare copy number variation in autism spectrum disorders Nature 2010 PMC3021798 20531469
  2. [82]Vernes SC A functional genetic link between distinct developmental language disorders The New England journal of medicine 2008 359 2337 2345 18987363 PMC2756409

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Authors
State, M. W., & Levitt, P.
Affiliations
  • Yale University (US)
  • University of Southern California (US)
Corresponding author
  • State, Matthew W
  • Levitt, Pat
Venue
Nature Neuroscience
Published
2011-10-30
Volume
14
Issue
12
Pages
1499-1506
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2073154969
Cited by
306
References
86
Citations by year
2026: 7 · 2025: 4 · 2024: 7 · 2023: 6 · 2022: 11 · 2021: 19 · 2020: 10 · 2019: 13 · 2018: 13 · 2017: 17 · 2016: 30 · 2015: 27 · 2014: 46 · 2013: 48 · 2012: 47
FWCI
3.76
Type
journal article
Language
en
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of Mental Health (RC2MH089956, MH089956, R01MH080759, MH067842, MH081754, R01MH081754, R01MH067842, R56MH067842, MH080759)
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 › Genetic Associations and Epidemiology
Keywords
autism spectrum disorder, genetic risk, gene discovery, mental illness, neurodevelopmental disorders
MeSH terms
Child, Child Development Disorders, Pervasive, Humans, Nerve Tissue Proteins, Risk Factors, Genetic Variation, Genetic Predisposition to Disease

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