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Beyond Sterility: the Urinary Microbiome in Bladder Cancer Carcinogenesis and Treatment
Stephanie Aron1, Margaret Meagher1, Sarah Azari1
1Department of Urology, University of California, San Diego, CA, USA.
Current Urology Reports
|January 14, 2026
Summary
The urinary microbiome, or bacteria in the bladder, influences bladder cancer risk and treatment. Understanding these bacterial communities is key for personalized bladder cancer management.
Area of Science:
- Urology
- Oncology
- Microbiology
Background:
- The traditional view of a sterile bladder is being challenged by new research.
- The urinary microbiome plays a role in bladder cancer development and treatment response.
Purpose of the Study:
- To review the current understanding of the urinary microbiome's role in bladder cancer.
- To identify limitations in current research and suggest future directions.
Main Methods:
- Literature review of studies on the urinary microbiome and bladder cancer.
- Analysis of the interplay between bacterial communities and cancer pathogenesis.
- Evaluation of microbiome profiling for personalized medicine.
Main Results:
- Disruption of the normal bladder bacterial community is linked to increased cancer risk.
- Specific bacterial strains correlate with varied responses to bladder cancer treatments.
- The precise mechanisms of urinary microbiome influence on bladder cancer are still being defined.
Conclusions:
- The urinary microbiome is a critical factor in bladder cancer biology.
- Further research is needed to fully elucidate these interactions.
- Microbiome profiling holds promise for personalized bladder cancer management strategies.
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