Cited by 176Genetics and Neurodevelopmental DisordersAutism Spectrum Disorder ResearchNeuroscience and Neuropharmacology Research

SHANK3 as an autism spectrum disorder-associated gene

Uchino, Shigeo, Waga, Chikako·2013·Brain and Development

Abstract

SHANK3 is a synaptic scaffolding protein enriched in the postsynaptic density of excitatory synapses, and plays important roles in the formation, maturation, and maintenance of synapses. Haploinsufficiency of the SHANK3 gene causes a developmental disorder, 22q13.3 deletion syndrome (known as Phelan-McDermid syndrome), that is characterized by severe expressive language and speech delay, hypotonia, global developmental delay, and autistic behavior. Since several SHANK3 mutations have been identified in a particular phenotypic group in patients with autism spectrum disorder (ASD), the SHANK3 is strongly suspected of being involved in the pathogenesis and neuropathology of ASD. Five CpG-islands have been identified in the SHANK3 gene, and tissue-specific expression of SHANK3 is regulated by DNA methylation in an epigenetic manner. Cumulative evidence has shown that several SHANK3 variants are expressed in the developing rodent brain and that their expression is regulated by DNA methylation of intragenic promoters. We identified novel SHANK3 transcripts whose transcription started at the vicinity of the CpG-island 2 in the mouse brain. Shank3 mutant mice exhibit autistic-like behaviors, including impaired social interaction and repetitive behaviors. In this article we review recent findings in regard to higher brain functions of SHANK3, epigenetic regulation of SHANK3 expression, and SHANK3-related ASD that were obtained from genetic analyses in ASD patients, molecular biological studies using developing mouse brains, and studies of Shank3 mutant mice.

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Crossref · 10.1016/j.braindev.2012.05.013

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Authors
Uchino, S., & Waga, C.
Affiliations
National Center of Neurology and Psychiatry (JP)
Venue
Brain and Development
Publisher
Elsevier BV
Published
2013-02
Volume
35
Issue
2
Pages
106-110
ISSN
0387-7604 (ISSN-L)
OpenAlex
W1968345016
Cited by
176
References
29
Citations by year
2026: 16 · 2025: 27 · 2024: 18 · 2023: 16 · 2022: 15 · 2021: 14 · 2020: 6 · 2019: 6 · 2018: 8 · 2017: 13 · 2016: 7 · 2015: 12 · 2014: 9 · 2013: 9
FWCI
5.76
Type
journal article
Language
en
Open access
closed
Locations
  • Brain and Development (publishedVersion)
  • PubMed (publishedVersion)
  • Institutional Repositories DataBase (IRDB) (submittedVersion)
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, Phelan-McDermid syndrome, haploinsufficiency, synaptic scaffolding proteins, postsynaptic density, DNA methylation, CpG islands, epigenetic regulation, alternative transcription start sites, autism-like behavior, social interaction deficits, repetitive behavior, mouse brain development
MeSH terms
Animals, Child, Child Development Disorders, Pervasive, Child, Preschool, Gene Expression Regulation, Humans, Infant, Mice, Mutant Strains, Nerve Tissue Proteins, Gene Deletion, Mice, Epigenomics

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