ArticleJournal of oral & facial pain and headache2026
Gut microbial and metabolomic alterations associated with herpetic trigeminal neuralgia: an exploratory multi-omics study.
Article in Journal of oral & facial pain and headache, 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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Abstract
backgroundHerpetic trigeminal neuralgia (HTN) is a neuropathic pain disorder caused by varicella-zoster virus invasion of the trigeminal nerve, but its mechanisms remain poorly elucidated. Accumulating evidence implicates gut microbiota dysbiosis and metabolic perturbations in modulating chronic pain via the gut-brain axis, yet their roles in HTN have not been systematically explored.
methodsIntegrated multi-omics analysis was performed on 19 patients with HTN and 18 healthy controls. Fecal metagenomic sequencing characterized gut microbial composition and function. Untargeted metabolomics profiled metabolic signatures in fecal and circulating samples. Weighted gene co-expression network analysis (WGCNA) and random forest modeling screened pivotal microbial and metabolic features associated with HTN. Correlation analysis between differential metabolites and clinical pain scores validated the translational potential of identified alterations.
resultsHTN patients showed significantly reduced gut microbial diversity, with enriched
conclusionsThis study provides multi-omics evidence of gut microbial and metabolic dysregulation in HTN, generating hypotheses for further mechanistic research. Large-scale, multicenter prospective cohorts with standardized metadata collection are needed to validate these findings.
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