Cited by 96Genomic variations and chromosomal abnormalitiesGenetics and Neurodevelopmental DisordersAutism Spectrum Disorder Research

16p11.2 deletion syndrome mice display sensory and ultrasonic vocalization deficits during social interactions

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Yang, Mu, Mahrt, Elena J., Lewis, Freeman, Foley, Gillian, Portmann, Thomas, Dolmetsch, Ricardo E., Portfors, Christine V., Crawley, Jacqueline N.·2015·Autism Research

Abstract

Recurrent deletions and duplications at chromosomal region 16p11.2 are variably associated with speech delay, autism spectrum disorder, developmental delay, schizophrenia, and cognitive impairments. Social communication deficits are a primary diagnostic symptom of autism. Here we investigated ultrasonic vocalizations (USVs) in young adult male 16p11.2 deletion mice during a novel three‐phase male–female social interaction test that detects vocalizations emitted by a male in the presence of an estrous female, how the male changes its calling when the female is suddenly absent, and the extent to which calls resume when the female returns. Strikingly fewer vocalizations were detected in two independent cohorts of 16p11.2 heterozygous deletion males (+/−) during the first exposure to an unfamiliar estrous female, as compared to wildtype littermates (+/+). When the female was removed, +/+ emitted calls, but at a much lower level, whereas +/− males called minimally. Sensory and motor abnormalities were detected in +/−, including higher nociceptive thresholds, a complete absence of acoustic startle responses, and hearing loss in all +/− as confirmed by lack of auditory brainstem responses to frequencies between 8 and 100 kHz. Stereotyped circling and backflipping appeared in a small percentage of individuals, as previously reported. However, these sensory and motor phenotypes could not directly explain the low vocalizations in 16p11.2 deletion mice, since (a) +/− males displayed normal abilities to emit vocalizations when the female was subsequently reintroduced, and (b) +/− vocalized less than +/+ to social odor cues delivered on an inanimate cotton swab. Our findings support the concept that mouse USVs in social settings represent a response to social cues, and that 16p11.2 deletion mice are deficient in their initial USVs responses to novel social cues. Autism Res 2015, 8: 507–521 . © 2015 International Society for Autism Research, Wiley Periodicals, Inc.

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  • Startle response and pre-pulse inhibition are severely impaired in the 16p11.2+/− mice (Dolmetsch).

    “Startle response [4, 60] and pre-pulse inhibition (PPI) [60] are severely impaired in the 16p11.2+/− mice (Dolmetsch).”
  • These mice are deaf, which likely underlies startle/PPI deficits and may be related to altered ultrasonic vocalizations.

    “However, these mice are deaf [60], which likely underlies startle/PPI deficits and may be related to altered ultrasonic vocalizations.”
  • 16p11.2+/− models show reduced body size/weight, in contrast to the human obesity phenotype.

    “However, 16p11.2+/− models show reduced body size/weight [4, 5, 60, 61, 63], in contrast to the human obesity phenotype.”
  • All three lines of 16p11.2+/− mice display social deficits in various testing paradigms and an array of cognitive deficits.

    “All 3 lines of 16p11.2+/− mice display social deficits in various testing paradigms [59–64], and an array of cognitive deficits [4, 59, 62–68].”

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Authors
Yang, M., Mahrt, E. J., Lewis, F., Foley, G., Portmann, T., Dolmetsch, R. E., Portfors, C. V., & Crawley, J. N.
Affiliations
  • University of California Davis Medical Center (US)
  • Washington State University Vancouver (US)
  • Circuit Therapeutics (United States) (US)
  • Stanford Medicine (US)
Corresponding author
Yang, Mu
Venue
Autism Research
Publisher
Wiley
Published
2015-02-07
Volume
8
Issue
5
Pages
507-521
ISSN
  • 1939-3792 (ISSN-L)
  • 1939-3806
OpenAlex
W1808144476
Cited by
96
References
79
Citations by year
2026: 2 · 2025: 3 · 2024: 9 · 2023: 10 · 2022: 9 · 2021: 10 · 2020: 15 · 2019: 10 · 2018: 10 · 2017: 8 · 2016: 4 · 2015: 6
FWCI
6.39
Type
journal article
Language
en
Open access
Locations
  • Autism Research (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • Simons Foundation (204340)
  • National Institute of Mental Health Intramural Research Program
  • National Institutes of Health Pioneer Award
  • National Science Foundation (IOS 1257768)
  • the Swiss National Science Foundation (PBSKP3-123434 and PA00P3_134196)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomic variations and chromosomal abnormalities
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
Keywords
16p11.2 deletion syndrome, ultrasonic vocalizations, social communication deficits, autism spectrum disorder, nociceptive threshold, acoustic startle response, hearing loss, auditory brainstem response, stereotypy, sex differences in vocalization
MeSH terms
Animals, Autistic Disorder, Behavior, Animal, Chromosome Deletion, Chromosomes, Human, Pair 16, Disease Models, Animal, Male, Intellectual Disability, Social Behavior, Vocalization, Animal, Chromosome Disorders, Mice

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