Cited by 38Schizophrenia research and treatmentGenomics and Chromatin DynamicsGenetic Associations and Epidemiology

The DOI matches its Crossref record; 56 of the 56 references it cites were found in a registry or an index.

The three-dimensional landscape of the genome in human brain tissue unveils regulatory mechanisms leading to schizophrenia risk

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Mah, Won, Won, Hyejung·2020·Schizophrenia Research

Abstract

Recent advances in our understanding of the genetic architecture of schizophrenia have shed light on the schizophrenia etiology. While common variation is one of the major genetic contributors, the majority of common variation reside in non-coding genome, posing a significant challenge in understanding the functional impact of this class of genetic variation. Functional genomic datasets that range from expression quantitative trait loci (eQTL) to chromatin interactions are critical to identify the potential target genes and functional consequences of non-coding variation. In this review, we discuss how three-dimensional chromatin landscape, identified by a technique called Hi-C, has facilitated the identification of potential target genes impacting schizophrenia risk. We outline key steps for Hi-C driven gene mapping, and compare Hi-C defined schizophrenia risk genes defined across developmental epochs and cell types, which offer rich insights into the temporal window and cellular etiology of schizophrenia. In contrast with a neurodevelopmental hypothesis in schizophrenia, Hi-C defined schizophrenia risk genes are postnatally enriched, suggesting that postnatal development is also important for schizophrenia pathogenesis. Moreover, Hi-C defined schizophrenia risk genes are highly expressed in excitatory neurons, highlighting excitatory neurons as a central cell type for schizophrenia. Further characterization of Hi-C defined schizophrenia risk genes demonstrated enrichment for genes that harbor loss-of-function variation in neurodevelopmental disorders, suggesting a shared genetic etiology between schizophrenia and neurodevelopmental disorders. Collectively, moving the search space from risk variants to the target genes lays a foundation to understand the neurobiological basis of schizophrenia.

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Metadata

Authors
Mah, W., & Won, H.
Affiliations
University of North Carolina at Chapel Hill (US)
Corresponding author
Won, Hyejung
Venue
Schizophrenia Research
Publisher
Elsevier BV
Published
2020-03
Volume
217
Pages
17-25
ISSN
0920-9964 (ISSN-L)
OpenAlex
W2921156692
Cited by
38
References
56
Citations by year
2026: 2 · 2025: 4 · 2024: 1 · 2023: 6 · 2022: 6 · 2021: 6 · 2020: 10
FWCI
1.27
Type
journal article
Language
en
Open access
Locations
  • Schizophrenia Research (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • NIH (R00MH113823)
  • NARSAD
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
Keywords
schizophrenia, 3D genome organization
MeSH terms
Brain, Chromatin, Humans, Schizophrenia, Genome, Polymorphism, Single Nucleotide, Genome-Wide Association Study

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