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Published on: January 21, 2020
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Causal relationship between periodontitis and prostate diseases: a bidirectional Mendelian randomization study
Lin Yang1,2, Li Wang3, Yong-Bo Zheng1
1Department of Urology, Affiliated Hospital of North Sichuan Medical College, Nanchong, China.
Clinical Oral Investigations
|February 13, 2025
Summary
This study found no causal link between periodontitis and prostate diseases using genetic analysis. Further research is needed to explore potential underlying connections between these conditions.
Area of Science:
- Oral health research
- Urology
- Genetic epidemiology
Background:
- Emerging evidence suggests an association between periodontitis and prostate disease.
- Causality and confounding factors remain unclear, necessitating further investigation.
- Bidirectional Mendelian Randomization (MR) offers a genetic approach to address confounding.
Purpose of the Study:
- To investigate the causal relationship between periodontitis and prostate diseases.
- To utilize a bidirectional Mendelian Randomization (MR) analysis to mitigate confounding factors.
- To determine if periodontitis causally influences prostate disease risk, or vice versa.
Main Methods:
- Summary-level data for periodontitis (N=45,563) and prostate diseases (benign prostatic hyperplasia, prostatitis, prostate cancer; N>130,000) were used.
- Bidirectional Mendelian Randomization (MR) analysis was performed using inverse variance-weighted (IVW), MR-Egger, and weighted median methods.
- Sensitivity analyses including MR-Egger intercept and MR-PRESSO were conducted to ensure result robustness.
Main Results:
- The primary IVW analysis indicated no statistically significant causal relationship between periodontitis and prostate diseases.
- Sensitivity analyses corroborated the primary finding, reinforcing the lack of a detectable causal link.
- Evidence supporting a direct association between periodontitis and prostate disease was found to be insufficient.
Conclusions:
- This MR study did not establish a causal relationship between periodontitis and prostate disease.
- The possibility of shared underlying mechanisms or etiological connections cannot be entirely excluded.
- Further large-scale studies employing diverse methodologies are recommended to fully elucidate any potential association.
