Cited by 159Genetics and Neurodevelopmental DisordersGenomics and Rare DiseasesGenomic variations and chromosomal abnormalities

Sex-Based Analysis of De Novo Variants in Neurodevelopmental Disorders

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Turner, Tychele N., Wilfert, Amy B., Bakken, Trygve E., Bernier, Raphael A., Pepper, Micah R., Zhang, Zhancheng, Torene, Rebecca I., Retterer, Kyle +1 more·2019·The American Journal of Human Genetics

Abstract

While genes with an excess of de novo mutations (DNMs) have been identified in children with neurodevelopmental disorders (NDDs), few studies focus on DNM patterns where the sex of affected children is examined separately. We considered ∼8,825 sequenced parent-child trios (n ∼26,475 individuals) and identify 54 genes with a DNM enrichment in males (n = 18), females (n = 17), or overlapping in both the male and female subsets (n = 19). A replication cohort of 18,778 sequenced parent-child trios (n = 56,334 individuals) confirms 25 genes (n = 3 in males, n = 7 in females, n = 15 in both male and female subsets). As expected, we observe significant enrichment on the X chromosome for females but also find autosomal genes with potential sex bias (females, CDK13, ITPR1; males, CHD8, MBD5, SYNGAP1); 6.5% of females harbor a DNM in a female-enriched gene, whereas 2.7% of males have a DNM in a male-enriched gene. Sex-biased genes are enriched in transcriptional processes and chromatin binding, primarily reside in the nucleus of cells, and have brain expression. By downsampling, we find that DNM gene discovery is greatest when studying affected females. Finally, directly comparing de novo allele counts in NDD-affected males and females identifies one replicated genome-wide significant gene (DDX3X) with locus-specific enrichment in females. Our sex-based DNM enrichment analysis identifies candidate NDD genes differentially affecting males and females and indicates that the study of females with NDDs leads to greater gene discovery consistent with the female-protective effect.

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  • A nonsense WASF3 variant, p.Glu88Ter, was identified in a patient with neurodevelopmental disorders.

    “A nonsense WASF3 variant, p.Glu88Ter, was identified in a patient with NDDs103,104,106 (Table 2h).”

    From The WAVE complex in developmental and adulthood brain disorders (2025) · cites this paper as [106]

    The Results and Discussion passages describe de novo variants in patients with neurodevelopmental disorders, but none identifies a WASF3 variant in a patient. Searches of our copy for “WASF3,” “p.Glu88Ter,” and “Glu88Ter” found no passage addressing the specific nonsense variant. (LLM, conf=0.70)

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Research works printed but not linked: 5

  1. Robinson, E.B., Lichtenstein, P., Anckarsa ¨ter, H., Happe ´, F., and Ronald, A. (2013). Examining and interpreting the female protective effect against autistic behavior. Proc. Natl. Acad. Sci. USA 110, 5258-5262.
  2. Amir, R.E., Van den Veyver, I.B., Wan, M., Tran, C.Q., Francke, U., and Zoghbi, H.Y. (1999). Rett syndrome is caused by The American Journal of Human Genetics 105, 1274-1285, December 5, 2019 1283 mutations in X-linked MECP2, encoding methyl-CpG- binding protein 2. Nat. Genet. 23, 185-188.
  3. Li, H. (2013). Aligning sequence reads, clone sequences and assembly contigs with BWA-MEM. arXiv, 1303.3997. · arXiv
  4. Smyth, G.K. (1998). Numerical Integration (London: Wiley).
  5. Vollger, M.R., Logsdon, G.A., Audano, P.A., Sulovari, A., Por- ubsky, D., Peluso, P., Wenger, A.M., Concepcion, G.T., Kronen- berg, Z.N., Munson, K.M., et al. (2019). Improved assembly and variant detection of a haploid human genome using sin- gle-molecule, high-fidelity long reads. Ann. Hum. Genet. https://doi.org/10.1111/ahg.12364. · DOI

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Authors
Turner, T. N., Wilfert, A. B., Bakken, T. E., Bernier, R. A., Pepper, M. R., Zhang, Z., Torene, R. I., Retterer, K., & Eichler, E. E.
Affiliations
  • University of Washington (US)
  • Allen Institute for Brain Science (US)
  • Howard Hughes Medical Institute (US)
Corresponding author
Eichler, Evan E.
Venue
The American Journal of Human Genetics
Publisher
Elsevier BV
Published
2019-12
Volume
105
Issue
6
Pages
1274-1285
ISSN
0002-9297 (ISSN-L)
OpenAlex
W2991349598
Cited by
159
References
10
Citations by year
2026: 15 · 2025: 30 · 2024: 41 · 2023: 27 · 2022: 25 · 2021: 12 · 2020: 7 · 2019: 1
FWCI
6.70
Type
journal article
Language
en
Open access
Locations
  • The American Journal of Human Genetics (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Autism Science Foundation
  • National Institutes of Health
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomic variations and chromosomal abnormalities
Keywords
de novo mutations, neurodevelopmental disorders, sex differences, sex-biased genes, X chromosome, parent-child trios, DDX3X, CDK13, IP3R1, CHD8, MBD5, SYNGAP1, brain gene expression, gene discovery
MeSH terms
Child, Female, Genetic Markers, Humans, Male, Mutation, Phenotype, Sex Factors, Cohort Studies, Gene Regulatory Networks, Genome-Wide Association Study, Exome, Neurodevelopmental Disorders

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