ArticleFrontiers in psychiatry2025
Association between interleukin-27 and suicidal ideation: a Mendelian randomization analysis and peripheral blood experimental study.
Article in Frontiers in 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Hospital-Presenting Intentional Self-Harm and Events of Undetermined Intent in Croatia from 2017 to 2023.Journal of prevention (2022) · 2026Article
- Comparative effects of various exercise interventions on anxiety and depression symptoms in children and adolescents: a network meta-analysis of randomized controlled trials.European child & adolescent psychiatry · 2026Review
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Authors and funding
7 authors.
Funding
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Abstract
Background: Suicide is a leading global cause of mortality, with major depressive disorder (MDD) contributing significantly. Neuroimmune mechanisms, particularly inflammation, are increasingly recognized in the pathophysiology of depression and suicidal ideation. This study investigated the relationship between inflammatory cytokines and suicidal ideation in patients with MDD. Methods: A two sample Mendelian randomization analysis using Genome-Wide Association Study data was performed to evaluate the associations between 16 inflammatory cytokines and suicidal ideation. Then the patients with MDD, stratified by suicidal ideation severity were assessed for peripheral cytokine levels (interleukin [IL])-2, IL-4, IL-6, IL-10, interferon-gamma [IFN-γ], IL-17, IL-12, IL-27, and tumor necrosis factor-α) using flow cytometry and enzyme-linked immunosorbent assay. Results: MR analysis revealed significant associations of tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) and IL-27 with negative and positive effects, respectively. Individuals with high suicide risk exhibited elevated IL-27, IL-12, IFN-γ and IL-4 compared with low suicide risk. Conclusion: There are genetic associations between IL-27 and suicidal ideation, which is biologically corroborated by elevated peripheral IL-27 levels in high-risk suicidal individuals, highlighting its potential as a clinically viable biomarker for assessing suicidal risk in depressive patients.
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