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Updated: Dec 21, 2025

Measurement of BK-polyomavirus Non-Coding Control Region Driven Transcriptional Activity Via Flow Cytometry
Published on: July 13, 2019
Pathogenicity of BK virus on the urinary system
Wojciech Krajewski1, Dorota Kamińska2, Adrian Poterek1
1Department of Urology and Oncological Urology, Wrocław Medical University, Wrocław, Poland.
BK virus, commonly latent, can reactivate in immunocompromised individuals, leading to serious kidney and bladder complications post-transplant. This review covers BK virus
Area of Science:
- Urology
- Virology
- Immunology
Background:
- BK virus is a ubiquitous polyomavirus.
- It primarily affects kidney tubular epithelial cells and bladder transitional cells.
Purpose of the Study:
- To review current data on the urologic aspects of BK virus infection.
- To discuss detection methods and available treatments for BK virus.
Main Methods:
- A comprehensive literature search was performed using Medline database.
- PRISMA guidelines were followed for the search.
- Keywords included 'BK virus' and urologic conditions like transplantation, nephropathy, and cystitis.
Main Results:
- BK virus typically remains latent but can reactivate in immunocompromised states.
- Post-transplant complications include polyomavirus-associated nephropathy (kidney transplant) and hemorrhagic cystitis (stem cell transplant).
Conclusions:
- BK virus poses significant risks in transplant recipients.
- Understanding its urologic manifestations, detection, and treatment is crucial.
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