Cited by 61Genomic variations and chromosomal abnormalitiesAutism Spectrum Disorder ResearchGenetics and Neurodevelopmental Disorders

Autism spectrum disorder, developmental and psychiatric features in 16p11.2 duplication

on behalf of the Simons VIP consortium, Green Snyder, LeeAnne, D’Angelo, Debra, Chen, Qixuan, Bernier, Raphael, Goin-Kochel, Robin P., Wallace, Arianne Stevens, Gerdts, Jennifer +11 more·2016·Journal of Autism and Developmental Disorders

Abstract

The 16p11.2 duplication (BP4-BP5) is associated with Autism Spectrum Disorder (ASD), although significant heterogeneity exists. Quantitative ASD, behavioral and neuropsychological measures and DSM-IV diagnoses in child and adult carriers were compared with familial non-carrier controls, and to published results from deletion carriers. The 16p11.2 duplication phenotype ranges widely from asymptomatic presentation to significant disability. The most common diagnoses were intellectual disability, motor delays and Attention Deficit Hyperactivity Disorder in children, and anxiety in adults. ASD occurred in nearly 20 % of child cases, but a majority of carriers did not show the unique social features of ASD. The 16p11.2 duplication phenotype is characterized by wider variability than the reciprocal deletion, likely reflecting contributions from additional risk factors.

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Crossref · 10.1007/s10803-016-2807-4

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  • De novo and inherited 16p11.2 duplication carriers show no differences in most clinical outcomes and on cognitive tests.

    “De novo and inherited duplication carriers also show no differences in most clinical outcomes [19], and on cognitive tests [10].”
  • In studies with at least 50 subjects, 60-76% of 16p11.2 deletions were reported as de novo, while only 16-29% of 16p11.2 duplications occurred de novo.

    “In studies with at least 50 subjects, between 60–76% of 16p11.2 deletions were reported as de novo events [10, 12, 34, 36], while only 16–29% of 16p11.2 duplications occurred de novo [10, 19, 34, 36].”
  • Higher variability in FSIQ scores is observed among 16p11.2 duplication carriers than deletion carriers.

    “Higher variability in FSIQ scores is observed among duplication carriers than deletion carriers [10, 19], suggesting a broader range of cognitive impairments in duplication patients.”
  • Several supporting studies also reported lower FSIQ scores in 16p11.2 deletion and duplication patients than in intrafamilial controls.

    “Several supporting studies also reported lower FSIQ scores in 16p11.2 deletion [12, 35] and duplication [19, 35] patients than intrafamilial controls.”
  • In one group of 16p11.2 duplication carriers, FSIQ scores ranged from 33 to 129, with 17% showing severe impairment (<55) and 33% falling within the average range or better.

    “In one group of 16p11.2 duplication carriers, FSIQ scores range from 33–129, with 17% displaying severe impairment (<55), while 33% fall within the average range or better [19].”

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Authors
on behalf of the Simons VIP consortium, Green Snyder, L., D’Angelo, D., Chen, Q., Bernier, R., Goin-Kochel, R. P., Wallace, A. S., Gerdts, J., Kanne, S., Berry, L., Blaskey, L., Kuschner, E., Roberts, T., Sherr, E., Martin, C. L., Ledbetter, D. H., Spiro, J. E., Chung, W. K., & Hanson, E.
Affiliations
  • Columbia University (US)
  • University of Washington (US)
  • University of Missouri (US)
  • Baylor College of Medicine (US)
  • Children's Hospital of Philadelphia (US)
  • University of California, San Francisco (US)
  • Autism & Developmental Medicine Institute (US)
  • Simons Foundation (US)
  • Boston Children's Hospital (US)
Venue
Journal of Autism and Developmental Disorders
Published
2016-05-21
Volume
46
Issue
8
Pages
2734-2748
ISSN
  • 0162-3257 (ISSN-L)
  • 1573-3432
OpenAlex
W2406728433
Cited by
61
References
75
Citations by year
2026: 2 · 2025: 2 · 2024: 11 · 2023: 6 · 2022: 1 · 2021: 3 · 2020: 11 · 2019: 9 · 2018: 9 · 2017: 7
FWCI
6.73
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Autism and Developmental Disorders (publishedVersion)
  • PubMed (publishedVersion)
Funders
Simons Foundation (198677)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomic variations and chromosomal abnormalities
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
Keywords
16p11.2 duplication, autism spectrum disorder, intellectual disability, motor delay, attention deficit hyperactivity disorder, anxiety, phenotypic heterogeneity, neuropsychological characteristics, behavioral characteristics, children and adults
MeSH terms
Autism Spectrum Disorder, Adolescent, Adult, Autistic Disorder, Child, Child, Preschool, Chromosome Deletion, Chromosomes, Human, Pair 16, Female, Humans, Infant, Male, Intellectual Disability, Phenotype, Gene Duplication, Chromosome Disorders

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