Cited by 61Bipolar Disorder and TreatmentSchizophrenia research and treatmentTreatment of Major Depression

Transcriptome sequencing implicates dorsal striatum-specific gene network, immune response and energy metabolism pathways in bipolar disorder

Pacifico, R, Davis, R L·2017·Molecular Psychiatry

Abstract

Bipolar disorder (BD) is a highly heritable and heterogeneous mental illness whose manifestations often include impulsive and risk-taking behavior. This particular phenotype suggests that abnormal striatal function could be involved in BD etiology, yet most transcriptomic studies of this disorder have concentrated on cortical brain regions. We believe we report the first transcriptome sequencing of the postmortem human dorsal striatum comparing bipolar (18) and control (17) subjects. Fourteen genes were detected as differentially expressed at a 5% false discovery rate, including a few immune response genes such as NLRC5, S100A12, LILRA4 and FCGBP, as well as an assortment of non-protein coding genes. Functional pathway analysis found an enrichment of upregulated genes across many immune/inflammation pathways and an enrichment of downregulated genes among oxidative phosphorylation pathways. Co-expression network analysis revealed 20 modules of highly interconnected genes; two of the modules were significantly enriched for BD susceptibility single-nucleotide polymorphisms deriving from a large genome-wide association study data set. Remarkably, the module with the highest genetic association signal for BD, which contained many genes from signaling pathways, was also enriched in markers characteristic of gene expression in dorsal striatum medium spiny neurons-unlike most other modules, which showed no such regional and neuronal specificity. These findings draw a link between BD etiology at the gene level and a specific brain region, and highlight striatal signaling pathways as potential targets for the development of novel treatments to manage BD.

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Crossref · 10.1038/mp.2016.94

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Authors
Pacifico, R., & Davis, R. L.
Affiliations
Scripps Research Institute (US)
Corresponding author
Davis, R L
Venue
Molecular Psychiatry
Published
2016-06-28
Volume
22
Issue
3
Pages
441-449
ISSN
  • 1359-4184 (ISSN-L)
  • 1476-5578
OpenAlex
W2467259862
Cited by
61
References
69
Citations by year
2026: 6 · 2025: 6 · 2024: 3 · 2023: 4 · 2022: 12 · 2021: 5 · 2020: 7 · 2019: 11 · 2018: 4 · 2017: 2 · 2016: 1
FWCI
5.33
Type
journal article
Language
en
Open access
closed
Locations
  • Molecular Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Bipolar Disorder and Treatment
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
Keywords
bipolar disorder, dorsal striatum, immune response genes, inflammation, oxidative phosphorylation, energy metabolism, medium spiny neurons, gene co-expression network, single nucleotide polymorphisms, NLRC5, S100A12, FCGBP
MeSH terms
Adult, Aged, Aged, 80 and over, Autopsy, Bipolar Disorder, Brain, Central Nervous System, Corpus Striatum, Energy Metabolism, Female, Humans, Immunity, Active, Male, Middle Aged, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, Gene Expression Profiling, Gene Regulatory Networks, Genome-Wide Association Study, Transcriptome

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