CHD8 haploinsufficiency results in autistic-like phenotypes in mice

Yuta Katayama, Masaaki Nishiyama, Hirotaka Shoji, Yasuyuki Ohkawa, Atsuki Kawamura, Tetsuya Sato, Mikita Suyama, Toru Takumi, Tsuyoshi Miyakawa, Keiichi I. Nakayama

Research output: Contribution to journalArticle

74 Citations (Scopus)

Abstract

Autism spectrum disorder (ASD) comprises a range of neurodevelopmental disorders characterized by deficits in social interaction and communication as well as by restricted and repetitive behaviours. ASD has a strong genetic component with high heritability. Exome sequencing analysis has recently identified many de novo mutations in a variety of genes in individuals with ASD, with CHD8, a gene encoding a chromatin remodeller, being most frequently affected. Whether CHD8 mutations are causative for ASD and how they might establish ASD traits have remained unknown. Here we show that mice heterozygous for Chd8 mutations manifest ASD-like behavioural characteristics including increased anxiety, repetitive behaviour, and altered social behaviour. CHD8 haploinsufficiency did not result in prominent changes in the expression of a few specific genes but instead gave rise to small but global changes in gene expression in the mouse brain, reminiscent of those in the brains of patients with ASD. Gene set enrichment analysis revealed that neurodevelopment was delayed in the mutant mouse embryos. Furthermore, reduced expression of CHD8 was associated with abnormal activation of RE-1 silencing transcription factor (REST), which suppresses the transcription of many neuronal genes. REST activation was also observed in the brains of humans with ASD, and CHD8 was found to interact physically with REST in the mouse brain. Our results are thus consistent with the notion that CHD8 haploinsufficiency is a highly penetrant risk factor for ASD, with disease pathogenesis probably resulting from a delay in neurodevelopment.

Original languageEnglish
Pages (from-to)675-679
Number of pages5
JournalNature
Volume537
Issue number7622
DOIs
Publication statusPublished - 01-01-2016

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Haploinsufficiency
Phenotype
Transcription Factors
Genes
Brain
Mutation
Exome
Autism Spectrum Disorder
Social Behavior
Interpersonal Relations
Transcriptional Activation
Chromatin
Embryonic Structures
Anxiety
Communication
Gene Expression

All Science Journal Classification (ASJC) codes

  • General

Cite this

Katayama, Y., Nishiyama, M., Shoji, H., Ohkawa, Y., Kawamura, A., Sato, T., ... Nakayama, K. I. (2016). CHD8 haploinsufficiency results in autistic-like phenotypes in mice. Nature, 537(7622), 675-679. https://doi.org/10.1038/nature19357
Katayama, Yuta ; Nishiyama, Masaaki ; Shoji, Hirotaka ; Ohkawa, Yasuyuki ; Kawamura, Atsuki ; Sato, Tetsuya ; Suyama, Mikita ; Takumi, Toru ; Miyakawa, Tsuyoshi ; Nakayama, Keiichi I. / CHD8 haploinsufficiency results in autistic-like phenotypes in mice. In: Nature. 2016 ; Vol. 537, No. 7622. pp. 675-679.
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Katayama, Y, Nishiyama, M, Shoji, H, Ohkawa, Y, Kawamura, A, Sato, T, Suyama, M, Takumi, T, Miyakawa, T & Nakayama, KI 2016, 'CHD8 haploinsufficiency results in autistic-like phenotypes in mice', Nature, vol. 537, no. 7622, pp. 675-679. https://doi.org/10.1038/nature19357

CHD8 haploinsufficiency results in autistic-like phenotypes in mice. / Katayama, Yuta; Nishiyama, Masaaki; Shoji, Hirotaka; Ohkawa, Yasuyuki; Kawamura, Atsuki; Sato, Tetsuya; Suyama, Mikita; Takumi, Toru; Miyakawa, Tsuyoshi; Nakayama, Keiichi I.

In: Nature, Vol. 537, No. 7622, 01.01.2016, p. 675-679.

Research output: Contribution to journalArticle

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Katayama Y, Nishiyama M, Shoji H, Ohkawa Y, Kawamura A, Sato T et al. CHD8 haploinsufficiency results in autistic-like phenotypes in mice. Nature. 2016 Jan 1;537(7622):675-679. https://doi.org/10.1038/nature19357