Cited by 21Genomic variations and chromosomal abnormalitiesSchizophrenia research and treatmentAutism Spectrum Disorder Research

Psychotic symptoms in 16p11.2 copy‐number variant carriers

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Jutla, Amandeep, Turner, J. Blake, Green Snyder, LeeAnne, Chung, Wendy K., Veenstra‐VanderWeele, Jeremy·2020·Autism Research

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Abstract

16p11.2 copy‐number variation (CNV) is implicated in neurodevelopmental disorders, with the duplication and deletion associated with autism spectrum disorder (ASD) and the duplication associated with schizophrenia (SCZ). The 16p11.2 CNV may therefore provide insight into the relationship between ASD and SCZ, distinct disorders that co‐occur at an elevated rate, and are difficult to distinguish from each other and from common co‐occurring diagnoses such as obsessive compulsive disorder (OCD), itself a potential risk factor for SCZ. As psychotic symptoms are core to SCZ but distinct from ASD, we sought to examine their predictors in a population ( n = 546) of 16p11.2 CNV carriers and their noncarrier siblings recruited by the Simons Variation in Individuals Project. We hypothesized that psychotic symptoms would be most common in duplication carriers followed by deletion carriers and noncarriers, that an ASD diagnosis would predict psychotic symptoms among CNV carriers, and that OCD symptoms would predict psychotic symptoms among all participants. Using data collected across multiple measures, we identified 19 participants with psychotic symptoms. Logistic regression models adjusting for biological sex, age, and IQ found that 16p11.2 duplication and ASD diagnosis predicted psychotic symptom presence. Our findings suggest that the association between 16p11.2 duplication and psychotic symptoms is independent of ASD diagnosis and that ASD diagnosis and psychotic symptoms may be associated in 16p11.2 CNV carriers. Autism Res 2020, 13: 187–198 . © 2019 International Society for Autism Research, Wiley Periodicals, Inc. Lay Summary: Either deletion or duplication at chromosome 16p11.2 raises the risk of autism spectrum disorder, and duplication, but not deletion, has been reported in schizophrenia (SCZ). In a sample of 16p11.2 deletion and duplication carriers, we found that having the duplication or having an autism diagnosis may increase the risk of psychosis, a key feature of SCZ.

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  • In one study, both 16p11.2 deletion and duplication carriers exhibited psychotic symptoms, though only duplication was a significant predictor of psychotic symptoms.

    “In one study, both 16p11.2 deletion and duplication carriers exhibited psychotic symptoms, though only the duplication was a significant predictor of psychotic symptoms [44].”
  • Sex was not a significant predictor of psychosis in 16p11.2 CNV carriers.

    “However, another study found that sex was not a significant predictor of psychosis in 16p11.2 CNV carriers [44].”

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Authors
Jutla, A., Turner, J. B., Green Snyder, L., Chung, W. K., & Veenstra‐VanderWeele, J.
Affiliations
  • New York State Psychiatric Institute (US)
  • Simons Foundation New York New York
  • Columbia University Irving Medical Center (US)
  • Department of Psychiatry Columbia University New York New York
Corresponding author
Jutla, Amandeep
Venue
Autism Research
Publisher
Wiley
Published
2019-11-14
Volume
13
Issue
2
Pages
187-198
ISSN
  • 1939-3792 (ISSN-L)
  • 1939-3806
OpenAlex
W2989021123
Cited by
21
References
15
Citations by year
2026: 2 · 2025: 3 · 2024: 5 · 2023: 1 · 2022: 3 · 2021: 4 · 2020: 3
FWCI
1.51
Type
journal article
Language
en
Open access
Locations
  • Autism Research (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Funders
Simons Foundation Autism Research Initiative
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomic variations and chromosomal abnormalities
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
Keywords
psychotic symptoms, schizophrenia, autism spectrum disorder, obsessive-compulsive disorder, 16p11.2 duplication, 16p11.2 deletion, neurodevelopmental disorders, co-occurring diagnoses
MeSH terms
Autism Spectrum Disorder, Adolescent, Adult, Chromosome Deletion, Chromosomes, Human, Pair 16, Female, Humans, Male, Psychotic Disorders, Schizophrenia, Young Adult, DNA Copy Number Variations, Chromosome Duplication

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