Cited by 998Autism Spectrum Disorder ResearchGenetics and Neurodevelopmental DisordersGenomic variations and chromosomal abnormalities

The DOI matches its Crossref record; 65 of the 66 references it cites were found in a registry or an index; none of the 61 sources its claims cite is checked for support yet.

Convergence of Genes and Cellular Pathways Dysregulated in Autism Spectrum Disorders

Open access
Pinto, Dalila, Delaby, Elsa, Merico, Daniele, Barbosa, Mafalda, Merikangas, Alison, Klei, Lambertus, Thiruvahindrapuram, Bhooma, Xu, Xiao, Ziman, Robert, Wang, Zhuozhi, Vorstman, Jacob A.S., Thompson, Ann, Regan, Regina, Pilorge, Marion, Pellecchia, Giovanna, Pagnamenta, Alistair T., Oliveira, Bárbara, Marshall, Christian R., Magalhaes, Tiago R., Lowe, Jennifer K., Howe, Jennifer L., Griswold, Anthony J., Gilbert, John, Duketis, Eftichia, Dombroski, Beth A., De Jonge, Maretha V., Cuccaro, Michael, Crawford, Emily L., Correia, Catarina T., Conroy, Judith, Conceição, Inês C., Chiocchetti, Andreas G., Casey, Jillian P., Cai, Guiqing, Cabrol, Christelle, Bolshakova, Nadia, Bacchelli, Elena, Anney, Richard, Gallinger, Steven, Cotterchio, Michelle, Casey, Graham, Zwaigenbaum, Lonnie, Wittemeyer, Kerstin, Wing, Kirsty, Wallace, Simon, van Engeland, Herman, Tryfon, Ana, Thomson, Susanne, Soorya, Latha, Rogé, Bernadette, Roberts, Wendy, Poustka, Fritz, Mouga, Susana, Minshew, Nancy, McInnes, L. Alison, McGrew, Susan G., Lord, Catherine, Leboyer, Marion, Le Couteur, Ann S., Kolevzon, Alexander, Jiménez González, Patricia, Jacob, Suma, Holt, Richard, Guter, Stephen, Green, Jonathan, Green, Andrew, Gillberg, Christopher, Fernandez, Bridget A., Duque, Frederico, Delorme, Richard, Dawson, Geraldine, Chaste, Pauline, Café, Cátia, Brennan, Sean, Bourgeron, Thomas, Bolton, Patrick F., Bölte, Sven, Bernier, Raphael, Baird, Gillian, Bailey, Anthony J., Anagnostou, Evdokia, Almeida, Joana, Wijsman, Ellen M., Vieland, Veronica J., Vicente, Astrid M., Schellenberg, Gerard D., Pericak-Vance, Margaret, Paterson, Andrew D., Parr, Jeremy R., Oliveira, Guiomar, Nurnberger, John I., Monaco, Anthony P., Maestrini, Elena, Klauck, Sabine M., Hakonarson, Hakon, Haines, Jonathan L., Geschwind, Daniel H., Freitag, Christine M., Folstein, Susan E., Ennis, Sean, Coon, Hilary, Battaglia, Agatino, Szatmari, Peter, Sutcliffe, James S., Hallmayer, Joachim, Gill, Michael, Cook, Edwin H., Buxbaum, Joseph D., Devlin, Bernie, Gallagher, Louise, Betancur, Catalina, Scherer, Stephen W.·2014·The American Journal of Human Genetics

Abstract

Rare copy-number variation (CNV) is an important source of risk for autism spectrum disorders (ASDs). We analyzed 2,446 ASD-affected families and confirmed an excess of genic deletions and duplications in affected versus control groups (1.41-fold, p = 1.0 × 10(-5)) and an increase in affected subjects carrying exonic pathogenic CNVs overlapping known loci associated with dominant or X-linked ASD and intellectual disability (odds ratio = 12.62, p = 2.7 × 10(-15), ∼3% of ASD subjects). Pathogenic CNVs, often showing variable expressivity, included rare de novo and inherited events at 36 loci, implicating ASD-associated genes (CHD2, HDAC4, and GDI1) previously linked to other neurodevelopmental disorders, as well as other genes such as SETD5, MIR137, and HDAC9. Consistent with hypothesized gender-specific modulators, females with ASD were more likely to have highly penetrant CNVs (p = 0.017) and were also overrepresented among subjects with fragile X syndrome protein targets (p = 0.02). Genes affected by de novo CNVs and/or loss-of-function single-nucleotide variants converged on networks related to neuronal signaling and development, synapse function, and chromatin regulation.

Overview

AI snapshot

Written from the paper’s full text.

TL;DR

This study analyzed rare copy-number variation (CNV) in 2,446 autism spectrum disorder (ASD)-affected families and 2,640 controls, confirming excess genic CNV burden and enrichment of pathogenic CNVs at ASD/intellectual disability loci. Genes affected by de novo CNVs and loss-of-function single-nucleotide variants converged on neuronal signaling, synapse, and chromatin-regulation networks.

Key findings

  • Affected subjects showed a 1.41-fold increase in genes affected by rare CNVs versus controls (empirical p = 1 × 10−5). Pathogenic CNVs overlapping autosomal-dominant or X-linked ASD/ID genes and loci were found in 2.8% (60/2,147) of European-ancestry affected subjects (OR = 12.62, 95% CI = 5.44–29.27, p = 2.74 × 10−15); across all ancestries, pathogenic CNVs were identified in ∼3.3% (82/2,446).
  • Among 2,096 trios, 102 rare de novo CNVs were found in 99 affected subjects, with 4.7% of trios having at least one de novo CNV. De novo events averaged 1.17 Mb versus 0.67 Mb in unaffected siblings (p = 0.01) and 0.55 Mb in control trios (p = 0.01), and affected 3.8-fold more genes than control de novo CNVs.
  • Females were more likely to carry highly penetrant pathogenic CNVs (male-to-female ratio 2:1 versus 6:1 among all affected subjects; p = 0.017) and were overrepresented among subjects with exonic deletions overlapping FMRP targets (17 females in 73 affected subjects, 1.98-fold more than males, p = 0.022).
  • Network analyses linked de novo CNVs and de novo LoF SNVs to neuronal signaling and development, synapse function, and chromatin regulation: a NETBAG network of 113 genes (global cluster p = 0.02) and a DAPPLE protein-protein interaction network of 151 genes with 1.5-fold more direct interactions than expected (p < 0.001).

Methods

  • The Autism Genome Project sample included 2,446 ASD-affected families passing QC (from 2,845 families and 9,050 individuals) and 2,640 unrelated European-ancestry controls; all were genotyped on Illumina 1M arrays and analyzed with the same QC and CNV pipeline.
  • CNV burden was compared between affected subjects and controls with Fisher’s exact tests, PLINK, R, and custom scripts; de novo and clinically relevant CNVs were validated by quantitative PCR, MLPA, and/or long-range PCR.
  • Analyses included gene-list burden tests (ASD/ID loci, BrainSpan brain-expressed genes, postsynaptic density genes, FMRP targets, HPO/MPO neurological genes, haploinsufficiency probability), logit models for multigene burden, and functional enrichment/network analyses using NETBAG and DAPPLE.

Limitations

  • The paper states that many subjects were assessed with clinical diagnostic methods and excluded if positive, and individuals with known congenital malformations or dysmorphic features were not enrolled, so the etiologic yield is likely an underestimate.
  • The paper notes that some CNVs were seen in a small fraction of controls, consistent with variable expressivity and/or incomplete penetrance.
  • Evident from the text: main analyses were restricted to European-ancestry subjects, and CNV detection relied on array-based calls rather than sequence data.

Model-written summary. Check it against the paper before relying on it.

Integrity signals

Registry

Crossref · 10.1016/j.ajhg.2014.03.018

Cites

65 of 65 references verified0 citation errors · 0 not checkable

Statistics

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Verification

Claims the paper makes

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Show all 101 claims

  • It may state two separate claims as one. 39
  • Probably not a substantial claim. 13
48 of 48
  • The paper relies on this without support.

    Unrelated control subjects from SAGE, the Ontario Colorectal Cancer Case-Control Study, and HABC, who had no obvious psychiatric history, are valid controls for ASD CNV burden analyses.

    “Unrelated control subjects were assembled from three studies in which individuals had no obvious psychiatric history: the Study of Addiction Genetics and Environment (SAGE),26 the Ontario Colorectal Cancer Case-Control Study,27,28 and Health, Aging, and Body Composition (HABC) (Table S1B).29”
  • The paper relies on this without support.

    The published control de novo CNV datasets (unaffected siblings from the Simons Simplex Collection and Icelandic control trios) are comparable to the AGP affected subjects for CNV size and gene-content comparisons.

    “Secondary analyses included comparisons of CNV number, length, and intersected gene number between our 102 de novo CNVs identified in affected subjects and the 76 de novo CNVs in control subjects of two published data sets: (1) 17 de novo CNVs identified in 15 unaffected siblings from 872 families with a single ASD-affected offspring and an unaffected sibling from the Simons Simplex Collection4”
  • The authors state this as an assumption.

    If genomic regions are perturbed by genetic variants associated with the same phenotype, they will contain genes forming connected clusters.

    “NETBAG identifies networks of genes under the premise that if genomic regions are perturbed by genetic variants associated with the same phenotype, they will contain genes forming connected clusters.”
  • The authors state this as an assumption.

    Different genes harboring suspected causative mutations for the same disorder often physically interact.

    “Under the assumption that different genes harboring suspected causative mutations for the same disorder often physically interact, we sought to evaluate protein-protein interactions (PPIs) encoded by genes known to be implicated in ASD and genes affected by rare CNVs or SNVs”
4 of 4

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Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

  • Control-group totals do not add up

    Minor

    The 2,640 European controls plus 1,843 controls of other ancestries total 4,483, not 4,768.

    Reported 4768 · recomputed 4483

1 of 1

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Metadata

Authors
Pinto, D., Delaby, E., Merico, D., Barbosa, M., Merikangas, A., Klei, L., Thiruvahindrapuram, B., Xu, X., Ziman, R., Wang, Z., Vorstman, J. A. S., Thompson, A., Regan, R., Pilorge, M., Pellecchia, G., Pagnamenta, A. T., Oliveira, B., Marshall, C. R., Magalhaes, T. R., Lowe, J. K., Howe, J. L., Griswold, A. J., Gilbert, J., Duketis, E., Dombroski, B. A., De Jonge, M. V., Cuccaro, M., Crawford, E. L., Correia, C. T., Conroy, J., Conceição, I. C., Chiocchetti, A. G., Casey, J. P., Cai, G., Cabrol, C., Bolshakova, N., Bacchelli, E., Anney, R., Gallinger, S., Cotterchio, M., Casey, G., Zwaigenbaum, L., Wittemeyer, K., Wing, K., Wallace, S., van Engeland, H., Tryfon, A., Thomson, S., Soorya, L., Rogé, B., Roberts, W., Poustka, F., Mouga, S., Minshew, N., McInnes, L. A., McGrew, S. G., Lord, C., Leboyer, M., Le Couteur, A. S., Kolevzon, A., Jiménez González, P., Jacob, S., Holt, R., Guter, S., Green, J., Green, A., Gillberg, C., Fernandez, B. A., Duque, F., Delorme, R., Dawson, G., Chaste, P., Café, C., Brennan, S., Bourgeron, T., Bolton, P. F., Bölte, S., Bernier, R., Baird, G., Bailey, A. J., Anagnostou, E., Almeida, J., Wijsman, E. M., Vieland, V. J., Vicente, A. M., Schellenberg, G. D., Pericak-Vance, M., Paterson, A. D., Parr, J. R., Oliveira, G., Nurnberger, J. I., Monaco, A. P., Maestrini, E., Klauck, S. M., Hakonarson, H., Haines, J. L., Geschwind, D. H., Freitag, C. M., Folstein, S. E., Ennis, S., Coon, H., Battaglia, A., Szatmari, P., Sutcliffe, J. S., Hallmayer, J., Gill, M., Cook, E. H., Buxbaum, J. D., Devlin, B., Gallagher, L., Betancur, C., & Scherer, S. W.
Affiliations
  • Icahn School of Medicine at Mount Sinai (US)
  • Centre National de la Recherche Scientifique (FR)
  • Hospital for Sick Children (CA)
  • Trinity College Dublin (IE)
  • University of Pittsburgh (US)
  • University Medical Center Utrecht (NL)
  • McMaster University (CA)
  • University College Dublin (IE)
  • Centre for Human Genetics (GB)
  • University of Lisbon (PT)
  • University of Toronto (CA)
  • University of California, Los Angeles (US)
  • University of Miami (US)
  • Goethe University Frankfurt (DE)
  • University of Pennsylvania (US)
  • Vanderbilt University (US)
  • University of Bologna (IT)
  • Cancer Care Ontario (CA)
  • University of Southern California (US)
  • University of Alberta (CA)
  • University of Birmingham (GB)
  • Warneford Hospital (GB)
  • Laboratoire de NeuroPsychoLinguistique (FR)
  • Unidade Local de Saúde de Coimbra (PT)
  • Weill Cornell Medical Center (US)
  • Inserm (FR)
  • University of Minnesota (US)
  • University of Illinois Chicago (US)
  • Manchester Academic Health Science Centre (GB)
  • University of Gothenburg (SE)
  • Memorial University of Newfoundland (CA)
  • King's College London (GB)
  • University of Washington (US)
  • Nationwide Children's Hospital (US)
  • Newcastle University (GB)
  • Tufts University (US)
  • German Cancer Research Center (DE)
  • Children's Hospital of Philadelphia (US)
  • University of Utah (US)
  • Stanford Medicine (US)
Corresponding author
  • Betancur, Catalina
  • Scherer, Stephen W.
Venue
The American Journal of Human Genetics
Publisher
Elsevier BV
Published
2014-05
Volume
94
Issue
5
Pages
677-694
ISSN
0002-9297 (ISSN-L)
OpenAlex
W2129867386
Cited by
969
References
66
Citations by year
2026: 26 · 2025: 35 · 2024: 62 · 2023: 63 · 2022: 80 · 2021: 98 · 2020: 100 · 2019: 91 · 2018: 80 · 2017: 100 · 2016: 102 · 2015: 92 · 2014: 40
FWCI
62.30
Type
journal article
Language
en
Open access
Locations
  • The American Journal of Human Genetics (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam) (acceptedVersion)
  • Arrow@dit (Dublin Institute of Technology) (submittedVersion)
  • HAL (submittedVersion, other-oa)
  • Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT) (submittedVersion, other-oa)
  • Archivio istituzionale della ricerca (Alma Mater Studiorum Università di Bologna) (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by-nc-nd)
  • ORCA Online Research @Cardiff (Cardiff University) (submittedVersion)
  • Research Portal (King's College London) (submittedVersion, other-oa)
  • Publication Server of Goethe University Frankfurt am Main (Goethe University Frankfurt) (submittedVersion, cc-by-nc-nd)
  • Research Explorer (The University of Manchester) (submittedVersion)
  • Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT) (submittedVersion)
  • IUScholarWorks (Indiana University) (submittedVersion, cc-by-nc-nd)
  • PMC
  • Newcastle University ePrints (Newcastle Univesity) (cc-by-nc-nd)
Funders
  • Brain and Behavior Research Foundation
  • Medical Research Council
  • Genome Canada
  • Hospital for Sick Children
  • National Alliance for Research on Schizophrenia and Depression
  • Health Research Board (AUT/2006/1, AUT/2006/2, PD/2006/48)
  • Ontario Genomics Institute
  • Canadian Institutes of Health Research
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, copy number variation, de novo CNVs, intellectual disability, CHD2, HDAC4, GDI1, SETD5, microRNA-137, HDAC9, neuronal signaling, synaptic function, chromatin regulation, gene networks
MeSH terms
Child, Child Development Disorders, Pervasive, Female, Multigene Family, Humans, Male, Pedigree, Sequence Deletion, Gene Regulatory Networks, Metabolic Networks and Pathways, DNA Copy Number Variations

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