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Association between mitochondria-related genes and cognitive performance in the PsyCourse Study

Background - Mitochondria generate energy through oxidative phosphorylation (OXPHOS). The function of key OXPHOS proteins can be altered by variation in mitochondria-related genes, which may increase the risk of mental illness. We investigated the association of mitochondria-related genes and their...

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Main Authors: Oraki Kohshour, Mojtaba (Author) , Schulte, Eva C. (Author) , Heilbronner, Urs (Author) , Budde, Monika (Author) , Kalman, Janos L. (Author) , Senner, Fanny (Author) , Heilbronner, Maria (Author) , Reich-Erkelenz, Daniela (Author) , Schaupp, Sabrina K. (Author) , Vogl, Thomas (Author) , Adorjan, Kristina (Author) , Anghelescu, Ion-George (Author) , Arolt, Volker (Author) , Baune, Bernhardt T. (Author) , Dannlowski, Udo (Author) , Dietrich, Detlef (Author) , Fallgatter, Andreas (Author) , Figge, Christian (Author) , Jäger, Markus (Author) , Lang, Fabian U. (Author) , Juckel, Georg (Author) , Konrad, Carsten (Author) , Reimer, Jens (Author) , Reininghaus, Eva Z. (Author) , Schmauß, Max (Author) , Spitzer, Carsten (Author) , von Hagen, Martin (Author) , Wiltfang, Jens (Author) , Zimmermann, Jörg (Author) , Andlauer, Till F. M. (Author) , Nöthen, Markus Maria (Author) , Degenhardt, Franziska (Author) , Forstner, Andreas J. (Author) , Rietschel, Marcella (Author) , Witt, Stephanie (Author) , Fischer, Andre (Author) , Falkai, Peter (Author) , Papiol, Sergi (Author) , Schulze, Thomas G. (Author)
Format: Article (Journal)
Language:English
Published: 9 January 2023
In: Journal of affective disorders
Year: 2023, Volume: 325, Pages: 1-6
ISSN:1573-2517
DOI:10.1016/j.jad.2023.01.013
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1016/j.jad.2023.01.013
Verlag, kostenfrei, Volltext: https://www.sciencedirect.com/science/article/pii/S0165032723000204
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Author Notes:Mojtaba Oraki Kohshour, Eva C. Schulte, Urs Heilbronner, Monika Budde, Janos L. Kalman, Fanny Senner, Maria Heilbronner, Daniela Reich-Erkelenz, Sabrina K. Schaupp, Thomas Vogl, Kristina Adorjan, Ion-George Anghelescu, Volker Arolt, Bernhardt T. Baune, Udo Dannlowski, Detlef Dietrich, Andreas Fallgatter, Christian Figge, Markus Jäger, Fabian U. Lang, Georg Juckel, Carsten Konrad, Jens Reimer, Eva Z. Reininghaus, Max Schmauß, Carsten Spitzer, Martin von Hagen, Jens Wiltfang, Jörg Zimmermann, Till F. M. Andlauer, Markus M. Nöthen, Franziska Degenhardt, Andreas J. Forstner, Marcella Rietschel, Stephanie H. Witt, Andre Fischer, Peter Falkai, Sergi Papiol, Thomas G. Schulze
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Summary:Background - Mitochondria generate energy through oxidative phosphorylation (OXPHOS). The function of key OXPHOS proteins can be altered by variation in mitochondria-related genes, which may increase the risk of mental illness. We investigated the association of mitochondria-related genes and their genetic risk burden with cognitive performance. - Methods - We leveraged cross-sectional data from 1320 individuals with a severe psychiatric disorder and 466 neurotypical individuals from the PsyCourse Study. The cognitive tests analyzed were the Trail-Making Test, Verbal Digit Span Test, Digit-Symbol Test, and Multiple Choice Vocabulary Intelligence Test. Association analyses between the cognitive tests, and single-nucleotide polymorphisms (SNPs) mapped to mitochondria-related genes, and their polygenic risk score (PRS) for schizophrenia (SCZ) were performed with PLINK 1.9 and R program. - Results - We found a significant association (FDR-adjusted p < 0.05) in the Cytochrome C Oxidase Assembly Factor 8 (COA8) gene locus of the OXPHOS pathway with the Verbal Digit Span (forward) test. Mitochondrial PRS was not significantly associated with any of the cognitive tests. - Limitations - Moderate statistical power due to relatively small sample size. - Conclusions - COA8 encodes a poorly characterized mitochondrial protein involved in apoptosis. Here, this gene was associated with the Verbal Digit Span (forward) test, which evaluates short-term memory. Our results warrant replication and may lead to better understanding of cognitive impairment in mental disorders.
Item Description:Online verfügbar 6 Januar 2023, Artikelversion 9 Januar 2023
Gesehen am 23.03.2023
Physical Description:Online Resource
ISSN:1573-2517
DOI:10.1016/j.jad.2023.01.013

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