ArticleThe Canadian journal of urology2026
Unraveling the bidirectional association between mental disorders and prostatitis: insights from a genetic perspective.
Article in The Canadian journal of urology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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8 authors.
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Abstract
backgroundThe causal link between mental illness and prostatitis remains inconclusive, largely due to heterogeneity and potential confounders. This study explored the causal link between mental illness and prostatitis in men using Mendelian randomization (MR), and offered recommendations for enhancing future research.
methodsPublicly accessible genome-wide association study (GWAS) data were accessed via the IEU OpenGWAS platform and FinnGen database for this research. The inverse variance weighted (IVW) approach served as the primary Mendelian randomization analysis, while MR-Egger, weighted median, weighted mode, and simple mode methods were additionally applied to evaluate potential relationships between prostatitis and four psychiatric disorders (schizophrenia, depression, bipolar disorder, and anxiety).
resultsThe analysis indicated a significant causal association between depression and prostatitis (OR = 1766.294, p = 0.01), whereas no evidence of a causal relationship was observed for schizophrenia, bipolar disorder, or anxiety with prostatitis (p > 0.05). In the reverse-direction MR analysis, prostatitis showed no evidence of a causal effect on psychiatric disorders. Further sensitivity analyses did not reveal pleiotropy or heterogeneity, and leave-one-out analyses indicated that the overall results were not significantly affected by any single instrumental variable. Sensitivity analyses provided no indication of pleiotropy or heterogeneity, and leave-one-out testing suggested that the overall results remained stable regardless of the exclusion of any single instrumental variable.
conclusionThe present study provides genetic evidence that depression may increase the risk of prostatitis, highlighting the need for early preventive strategies. Additional studies are needed to clarify the mechanisms connecting depression and prostatitis in men.
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