Cited by 281Genetics and Neurodevelopmental DisordersAutism Spectrum Disorder ResearchNeuroscience and Neuropharmacology Research

Autism-like Deficits in Shank3-Deficient Mice Are Rescued by Targeting Actin Regulators

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Duffney, Lara J., Zhong, Ping, Wei, Jing, Matas, Emmanuel, Cheng, Jia, Qin, Luye, Ma, Kaijie, Dietz, David M. +3 more·2015·Cell Reports

Abstract

Haploinsufficiency of the Shank3 gene, which encodes a scaffolding protein at glutamatergic synapses, is a highly prevalent and penetrant risk factor for autism. Using combined behavioral, electrophysiological, biochemical, imaging, and molecular approaches, we find that Shank3-deficient mice exhibit autism-like social deficits and repetitive behaviors, as well as the significantly diminished NMDA receptor (NMDAR) synaptic function and synaptic distribution in prefrontal cortex. Concomitantly, Shank3-deficient mice have a marked loss of cortical actin filaments, which is associated with the reduced Rac1/PAK activity and increased activity of cofilin, the major actin depolymerizing factor. The social deficits and NMDAR hypofunction are rescued by inhibiting cofilin or activating Rac1 in Shank3-deficient mice and are induced by inhibiting PAK or Rac1 in wild-type mice. These results indicate that the aberrant regulation of synaptic actin filaments and loss of synaptic NMDARs contribute to the manifestation of autism-like phenotypes. Thus, targeting actin regulators provides a strategy for autism treatment.

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Authors
Duffney, L. J., Zhong, P., Wei, J., Matas, E., Cheng, J., Qin, L., Ma, K., Dietz, D. M., Kajiwara, Y., Buxbaum, J. D., & Yan, Z.
Affiliations
  • University at Buffalo, State University of New York (US)
  • Icahn School of Medicine at Mount Sinai (US)
Corresponding author
Yan, Zhen
Venue
Cell Reports
Publisher
Elsevier BV
Published
2015-06
Volume
11
Issue
9
Pages
1400-1413
ISSN
2211-1247 (ISSN-L)
OpenAlex
W1580790875
Cited by
281
References
58
Citations by year
2026: 10 · 2025: 14 · 2024: 26 · 2023: 23 · 2022: 32 · 2021: 39 · 2020: 23 · 2019: 29 · 2018: 30 · 2017: 24 · 2016: 24 · 2015: 7
FWCI
19.36
Type
journal article
Language
en
Open access
Locations
  • Cell Reports (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Foundation for the National Institutes of Health
  • Icahn School of Medicine at Mount Sinai
  • National Institutes of Health (5r21mh101690-02)
  • National Institute of Mental Health (R21-MH101690, R01MH093725, MH101690, MH093725, R01MH108842)
  • National Institute on Drug Abuse (R01DA037618)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
SHANK3, autism spectrum disorder, haploinsufficiency, actin cytoskeleton, NMDA receptor, Rac1, PAK, cofilin, social dysfunction, repetitive behavior, prefrontal cortex, glutamatergic synapses
MeSH terms
Animals, Autistic Disorder, Disease Models, Animal, Male, Mice, Inbred C57BL, Microfilament Proteins, Nerve Tissue Proteins, Neuropeptides, Receptors, N-Methyl-D-Aspartate, Prefrontal Cortex, Mice, Knockout, Patch-Clamp Techniques, rac1 GTP-Binding Protein, Actin Depolymerizing Factors, Mice, p21-Activated Kinases

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