Manuel Mattheisen

Schizophrenia risk variants affecting microRNA function and site-specific regulation of NT5C2 by miR-206

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Despite the identification of numerous schizophrenia-associated genetic variants, few have been examined functionally to identify and characterize the causal variants. To mitigate this, we aimed at identifying functional variants affecting miRNA function. Using data from a large-scale genome-wide association study of schizophrenia, we looked for schizophrenia risk variants altering either miRNA binding sites, miRNA genes, promoters for miRNA genes, or variants that were expression quantitative trait loci (eQTLs) for miRNA genes. We hereby identified several potentially functional variants relating to miRNA function with our top finding being a schizophrenia protective allele that disrupts miR-206׳s binding to NT5C2 thus leading to increased expression of this gene. A subsequent experimental follow-up of the variant using a luciferase-based reporter assay confirmed that the allele disrupts the binding. Our study therefore suggests that miR-206 may contribute to schizophrenia risk through allele-dependent regulation of the genome-wide significant gene NT5C2.

Original languageEnglish
JournalEuropean neuropsychopharmacology : the journal of the European College of Neuropsychopharmacology
Volume26
Issue9
Pages (from-to)1522-6
Number of pages5
ISSN0924-977X
DOIs
Publication statusPublished - Sep 2016

    Research areas

  • Journal Article

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