ArticleGeneral psychiatry2025
Investigating the causal role of circulating metabolites in major depressive disorder.
Article in General psychiatry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Exploring the impacts of type 2 diabetes and metformin use on Parkinson's disease: Mendelian randomization analysis and a national cohort study.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2026Article
- A phenome-wide hunt for risk factors of Alzheimer's disease: from metabolic clues to neuroimaging evidence.Journal of translational medicine · 2026Article
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Authors and funding
4 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Background: Metabolic dysregulation has been implicated in major depressive disorder (MDD). Aims: We aimed to explore the potential role of plasma metabolites in MDD. Methods: We conducted Mendelian randomisation (MR) analysis to evaluate the causal effects of 871 circulating metabolites on MDD, using the Genome-Wide Association Studies datasets of MDD (N=1 035 760) and metabolites (N=8299). Bayesian colocalisation and druggability analyses were employed to identify genetic variants contributing to both MDD and levels of metabolites in plasma and to pinpoint metabolites with therapeutic potential, respectively. Results: MR analysis identified 11 metabolites associated with MDD (false discovery rate<0.05). Eight metabolites, including arachidonate (20:4n6) (odds ratio (OR): 0.97), 1-arachidonoyl-GPC (20:4n6) (OR: 0.98), 1-(1-enyl-palmitoyl)-2-palmitoleoyl-GPC (P-16:0/16:1) (OR: 0.97), succinoyltaurine (OR: 0.98), 3-methoxycatechol sulphate (1) (OR: 0.98) and 11β-hydroxyandrosterone glucuronide (OR: 0.97), showed protective effects against MDD. Three metabolites were associated with increased risk, namely, butyrylglycine (OR: 1.03), 3-carboxy-4-methyl-5-propyl-2-furanpropanoate (OR: 1.02) and 1-(1-enyl-stearoyl)-2-oleoyl-GPE (p-18:0/18:1) (OR: 1.02). Colocalisation analysis supported shared genetic signals between five lipid metabolites and MDD, particularly at loci harbouring Conclusions: Genetically predicted levels of certain circulating metabolites make a causal contribution to MDD. Further investigation of their roles may provide novel pathophysiological insights and give clues for targeted therapies.
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