Cited by 542Schizophrenia research and treatmentGenomic variations and chromosomal abnormalitiesGenetic Associations and Epidemiology

The DISC locus in psychiatric illness

Chubb, J E, Bradshaw, N J, Soares, D C, Porteous, D J, Millar, J K·2008·Molecular Psychiatry

Abstract

The DISC locus is located at the breakpoint of a balanced t(1;11) chromosomal translocation in a large and unique Scottish family. This translocation segregates in a highly statistically significant manner with a broad diagnosis of psychiatric illness, including schizophrenia, bipolar disorder and major depression, as well as with a narrow diagnosis of schizophrenia alone. Two novel genes were identified at this locus and due to the high prevalence of schizophrenia in this family, they were named Disrupted-in-Schizophrenia-1 (DISC1) and Disrupted-in-Schizophrenia-2 (DISC2). DISC1 encodes a novel multifunctional scaffold protein, whereas DISC2 is a putative noncoding RNA gene antisense to DISC1. A number of independent genetic linkage and association studies in diverse populations support the original linkage findings in the Scottish family and genetic evidence now implicates the DISC locus in susceptibility to schizophrenia, schizoaffective disorder, bipolar disorder and major depression as well as various cognitive traits. Despite this, with the exception of the t(1;11) translocation, robust evidence for a functional variant(s) is still lacking and genetic heterogeneity is likely. Of the two genes identified at this locus, DISC1 has been prioritized as the most probable candidate susceptibility gene for psychiatric illness, as its protein sequence is directly disrupted by the translocation. Much research has been undertaken in recent years to elucidate the biological functio…

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Crossref · 10.1038/sj.mp.4002106

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  • Mutations in DISC1 are associated with high rates of mental illness.

    “Mutations in DISC1 are associated with high rates of mental illness120,121, and more subtle polymorphisms are associated with decreased PFC gray matter and impaired working memory122,123.”
  • Loss-of-function mutations in DISC1 are associated with a variety of mental illnesses, especially an increased incidence of depression.

    “As loss-of-function mutations in DISC1 are associated with a variety of mental illnesses, especially an increased incidence of depression120, loss of spines may contribute to a variety of disorders, with symptoms related to the subcircuit(s) most affected—for example, changes in vmPFC increasing risk of depression and impairment of dlPFC circuits increasing risk of schizophrenia.”

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Authors
Chubb, J. E., Bradshaw, N. J., Soares, D. C., Porteous, D. J., & Millar, J. K.
Affiliations
Western General Hospital (GB)
Corresponding author
Millar, J K
Venue
Molecular Psychiatry
Published
2007-10-02
Volume
13
Issue
1
Pages
36-64
ISSN
  • 1359-4184 (ISSN-L)
  • 1476-5578
OpenAlex
W2047679528
Cited by
542
References
5
Citations by year
2026: 4 · 2025: 6 · 2024: 11 · 2023: 6 · 2022: 9 · 2021: 14 · 2020: 18 · 2019: 17 · 2018: 20 · 2017: 22 · 2016: 33 · 2015: 40 · 2014: 32 · 2013: 32 · 2012: 56
FWCI
6.89
Type
journal article
Language
en
Open access
closed
Locations
  • Molecular Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomic variations and chromosomal abnormalities
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
Keywords
DISC1, schizophrenia, bipolar disorder, major depressive disorder, schizoaffective disorder, scaffold proteins, genetic linkage, genetic association, brain development, cytoskeletal function, cAMP signaling, genetic heterogeneity, cognitive characteristics
MeSH terms
Animals, Mental Disorders, Humans, Genetic Linkage, Nerve Tissue Proteins, RNA, Messenger, Genetic Predisposition to Disease, RNA, Long Noncoding

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