Cited by 82Genetics and Neurodevelopmental DisordersAutism Spectrum Disorder ResearchNeuroscience and Neuropharmacology Research

Amelioration of autism-like social deficits by targeting histone methyltransferases EHMT1/2 in Shank3-deficient mice

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Wang, Zi-Jun, Zhong, Ping, Ma, Kaijie, Seo, Ji-Seon, Yang, Fengwei, Hu, Zihua, Zhang, Freddy, Lin, Lin +5 more·2020·Molecular Psychiatry

Abstract

Many of the genes disrupted in autism are identified as histone-modifying enzymes and chromatin remodelers, most prominently those that mediate histone methylation/demethylation. However, the role of histone methylation enzymes in the pathophysiology and treatment of autism remains unknown. To address this, we used mouse models of haploinsufficiency of the Shank3 gene (a highly penetrant monogenic autism risk factor), which exhibits prominent autism-like social deficits. We found that histone methyltransferases EHMT1 and EHMT2, as well as histone lysine 9 dimethylation (specifically catalyzed by EHMT1/2), were selectively increased in the prefrontal cortex (PFC) of Shank3-deficient mice and autistic human postmortem brains. Treatment with the EHMT1/2 inhibitor UNC0642 or knockdown of EHMT1/2 in PFC induced a robust rescue of autism-like social deficits in Shank3-deficient mice, and restored NMDAR-mediated synaptic function. Activity-regulated cytoskeleton-associated protein (Arc) was identified as one of the causal factors underlying the rescuing effects of UNC0642 on NMDAR function and social behaviors in Shank3-deficient mice. UNC0642 treatment also restored a large set of genes involved in neural signaling in PFC of Shank3-deficient mice. These results suggest that targeting histone methylation enzymes to adjust gene expression and ameliorate synaptic defects could be a potential therapeutic strategy for autism.

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  • Repressive histone mark H3K9me2 and its catalyzing enzymes EHMT1/2 are selectively increased in PFC of Shank3-deficient mice and autistic human postmortem brains.

    “Moreover, the repressive histone mark H3K9me2 and its catalyzing enzymes EHMT1/2 are selectively increased in the PFC of Shank3-deficient mice and autistic human postmortem brains 146.”
  • Targeting epigenetic enzymes to adjust gene expression and ameliorate synaptic defects in PFC is a potential strategy to normalize behavioral phenotypes associated with autism.

    “A recent series of studies have shown that targeting epigenetic enzymes to adjust gene expression and ameliorate synaptic defects in PFC is a potential strategy to normalize behavioral phenotypes associated with autism 144–147.”
  • Inhibition of EHMT1/2 rescues social deficits and restores PFC NMDAR function in Shank3-deficient mice via restoring expression of plasticity gene Arc.

    “Inhibition of EHMT1/2 rescues social deficits and restores PFC NMDAR function in Shank3-deficient mice via restoring the expression of plasticity gene Arc, which encodes the activity-regulated cytoskeleton-associated protein Arc 146.”
  • β-catenin links loss of Shank3 in synapse to upregulation of HDAC2 and EHMT1/2 transcription in nucleus.

    “The nucleocytoplasmic shuttle protein involved in both cell adhesion and transcriptional regulation, β-catenin, is found to link the loss of Shank3 in the synapse to the upregulation of HDAC2 and EHMT1/2 transcription in the nucleus 145,146 (Fig. 3).”

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Authors
Wang, Z.-J., Zhong, P., Ma, K., Seo, J.-S., Yang, F., Hu, Z., Zhang, F., Lin, L., Wang, J., Liu, T., Matas, E., Greengard, P., & Yan, Z.
Affiliations
  • University at Buffalo, State University of New York (US)
  • Rockefeller University (US)
Corresponding author
Yan, Zhen
Venue
Molecular Psychiatry
Published
2019-01-18
Volume
25
Issue
10
Pages
2517-2533
ISSN
  • 1359-4184 (ISSN-L)
  • 1476-5578
OpenAlex
W2908953418
Cited by
82
References
67
Citations by year
2026: 9 · 2025: 7 · 2024: 12 · 2023: 11 · 2022: 15 · 2021: 15 · 2020: 9 · 2019: 4
FWCI
6.47
Type
journal article
Language
en
Open access
Locations
  • Molecular Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Nancy Lurie Marks Family Foundation
  • U.S. Department of Health & Human Services | National Institutes of Health (MH112237, MH108842)
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
autism spectrum disorder, SHANK3, EHMT1, G9a, histone methyltransferase, UNC0642, social dysfunction, prefrontal cortex, NMDA receptor, synaptic function, Arc, histone methylation, therapeutic target, haploinsufficiency
MeSH terms
Animals, Autistic Disorder, Disease Models, Animal, Female, Histones, Male, Methylation, Microfilament Proteins, Nerve Tissue Proteins, Histone-Lysine N-Methyltransferase, Quinazolines, Prefrontal Cortex, Mice, Haploinsufficiency

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