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Review
.2023 Mar;68(3):193-197.
doi: 10.1038/s10038-022-01076-3. Epub 2022 Aug 30.

Genetics of autism spectrum disorders and future direction

Affiliations
Review

Genetics of autism spectrum disorders and future direction

Yuka Yasuda et al. J Hum Genet.2023 Mar.

Erratum in

Abstract

Autism spectrum disorders (ASDs) have been increasing in prevalence. ASD is a complex human genetic disorder with high heredity and involves interactions between genes and the environment. A significant inheritance pattern in ASD involves a rare genetic mutation; common copy number variants refer to duplication or deletion of stretches of chromosomal loci or protein-disrupting single-nucleotide variants. Haploinsufficiency is one of the more common single-gene causes of ASD, explaining at least 0.5% of cases. Epigenetic mechanisms, such as DNA methylation, act at an interface of genetic and environmental risk and protective factors. Advances in genome-wide sequencing have broadened the view of the human methylome and have revealed the organization of the human genome into large-scale methylation domains with a footprint over neurologically important genes involved in embryonic development. Psychiatric disorders, including ASD, are expected to be diagnosed based on their genetically regulated pathophysiology and to be linked to their treatment.

© 2022. The Author(s), under exclusive licence to The Japan Society of Human Genetics.

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References

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