ArticleOral health & preventive dentistry2025
Causal Association Between Oral Microbiota and Major Salivary Gland Cancer: A Bidirectional Two-Sample Mendelian Randomization Study.
Article in Oral health & preventive dentistry, 2025. 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
purposeThe two-sample Mendelian randomization approach was used to assess the potential causal relationships between 33 oral microbes and salivary gland cancer. MATERIALS AND
methodsThe data used in this study were obtained from summary statistics of genome-wide association studies (GWAS). The instrumental variables included 33 known oral microbes, comprising a total of 39,117,105 single nucleotide polymorphisms (SNPs). The outcome variable, major salivary gland cancer (MSGC), included 11,831,294 SNPs. Mendelian randomization (MR) analysis was conducted via inverse-variance weighted (IVW) as the primary method. To ensure the robustness of the results, Cochran's Q test, the MR-Egger intercept test, leave-one-out analysis, and reverse MR analysis were employed.
resultsThe IVW analysis results indicated that the genus Alloprevotella (odds ratio [OR] = 1.267; 95% confidence interval (CI) = 1.037-1.549; p = 0.020) and the species Veillonella dispar (OR = 1.369; 95%CI = 1.081-1.734; p = 0.009) are statistically significant risk factors for the occurrence of MSGC.
conclusionThe genus Alloprevotella and the species Veillonella dispar have a positive causal relationship with major salivary gland cancer.
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