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Published on: April 27, 2014
Urobiome Analysis in Interstitial Cystitis/Bladder Pain Syndrome Reveals Nuanced Differences Associated with
Seth A Reasoner1, Jamisha Francis1, Mollie Gidney1
1Division of Molecular Pathogenesis, Department of Pathology, Microbiology & Immunology, Vanderbilt University Medical Center, Nashville, TN, USA.
The study found no widespread differences in the urinary microbiome (urobiome) based on interstitial cystitis/bladder pain syndrome (IC/BPS) pain localization. Specific bacteria like Dialister were less abundant in individuals with localized pelvic pain.
Area of Science:
- Urology
- Microbiology
- Pain Medicine
Background:
- Interstitial cystitis/bladder pain syndrome (IC/BPS) is a chronic pain condition with varied symptoms and treatment responses.
- The role of the urinary microbiome (urobiome) in IC/BPS pathophysiology and its relation to pain phenotypes is not well understood.
Purpose of the Study:
- To investigate the association between the urobiome and IC/BPS symptoms over time.
- To determine if the urobiome differentiates between localized pelvic pain and widespread pain phenotypes in IC/BPS.
Main Methods:
- Analysis of urine samples from a longitudinal randomized controlled trial of psychotherapy for IC/BPS patients.
- 16S rRNA sequencing was used to characterize the urobiome composition at baseline, post-treatment, and 5 months.
- Comparison of urobiome diversity, stability, and association with IC/BPS symptoms and pain localization.
Main Results:
- Menopausal status and recent urinary tract infection significantly influenced urobiome composition.
- No widespread differences in the urobiome were found correlating with IC/BPS pain localization or severity.
- Reduced abundance of a specific bacterial sequence (Dialister ASV) was observed in individuals with localized pelvic pain.
Conclusions:
- The urobiome does not appear to broadly differentiate IC/BPS pain phenotypes.
- Specific bacterial alterations may be associated with IC/BPS symptomatology.
- Further research is needed to explore the urobiome's role in IC/BPS.
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