Cited by 296Autism Spectrum Disorder ResearchGenetics and Neurodevelopmental DisordersSexual Differentiation and Disorders

Gene expression in human brain implicates sexually dimorphic pathways in autism spectrum disorders

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Werling, Donna M., Parikshak, Neelroop N., Geschwind, Daniel H.·2016·Nature Communications

Abstract

Autism spectrum disorder (ASD) is more prevalent in males, and the mechanisms behind this sex-differential risk are not fully understood. Two competing, but not mutually exclusive, hypotheses are that ASD risk genes are sex-differentially regulated, or alternatively, that they interact with characteristic sexually dimorphic pathways. Here we characterized sexually dimorphic gene expression in multiple data sets from neurotypical adult and prenatal human neocortical tissue, and evaluated ASD risk genes for evidence of sex-biased expression. We find no evidence for systematic sex-differential expression of ASD risk genes. Instead, we observe that genes expressed at higher levels in males are significantly enriched for genes upregulated in post-mortem autistic brain, including astrocyte and microglia markers. This suggests that it is not sex-differential regulation of ASD risk genes, but rather naturally occurring sexually dimorphic processes, potentially including neuron–glial interactions, that modulate the impact of risk variants and contribute to the sex-skewed prevalence of ASD.

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  • For ASD, evidence from genetics and functional genomics points to protective factors in females that involve brain function and structure.

    “For example, in ASD, genetic and functional genomic evidence suggests the presence of female protective factors based in brain function and structure (Robinson et al., 2013; Werling and Geschwind, 2013; Werling et al., 2016)”

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Research works printed but not linked: 2

  1. Smail P. J., Reyes F. I., Winter J. S. D. & Faiman C. The fetal hormonal environment and its effect on the morphogenesis of the genital system. In Pediatric Andrology Vol. 7, eds Kogan S. J., Hafez E. S. E. 9– 19Martinus Nijhoff (1981).
  2. Niemi M., Ikonen M. & Hervonen A. in Ciba Foundation Symposium—Endocrinology of the Testis (Colloquia on Endocrinology) Vol. 16, eds Wolstenholme G. E. W. 31– 55Wiley (1967).

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Authors
Werling, D. M., Parikshak, N. N., & Geschwind, D. H.
Affiliations
University of California, Los Angeles (US)
Corresponding author
Geschwind, Daniel H.
Venue
Nature Communications
Published
2016-02-19
Volume
7
Issue
1
Pages
10717-10717
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2419599148
Cited by
296
References
67
Citations by year
2026: 15 · 2025: 24 · 2024: 40 · 2023: 31 · 2022: 40 · 2021: 25 · 2020: 32 · 2019: 21 · 2018: 32 · 2017: 22 · 2016: 14
FWCI
18.88
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • Simons Foundation Autism Research Initiative
  • National Institutes of Health (5r01mh094714-04)
  • National Institute of Mental Health (5R01MH094714, F31MH093086, R01-MH094714, F30MH099886, R01MH100027, T32MH073526, R37MH060233, RC2MH089921)
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 › Molecular Biology › Sexual Differentiation and Disorders
Keywords
autism spectrum disorder, sex differences, sexually dimorphic gene expression, ASD risk genes, human neocortex, astrocytes, microglia, neuron-glia interactions, sex-biased gene expression, postmortem brain
MeSH terms
Autism Spectrum Disorder, Adolescent, Adult, Brain, Female, Humans, Male, Sex Factors, Gene Expression, Young Adult, Transcriptome

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