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Updated: Dec 9, 2025

An Orthotopic Bladder Cancer Model for Gene Delivery Studies
Published on: December 1, 2013
BK polyomavirus infection promotes growth and aggressiveness in bladder cancer
Yigang Zeng1, Jiajia Sun1,2, Juan Bao1
1Department of Urology, Shanghai Public Health Clinical Center, Fudan University, Shanghai, 201508, China.
Background:
Recent studies have confirmed the integration of the BK polyomavirus (BKPyV) gene into the cellular genome of urothelial carcinomas in transplant recipients, further confirming the correlation between BKPyV and urothelial carcinomas after transplantation. However, the role BKPyV infections play in the biological function of bladder cancer remains unclear.
Methods:
We developed a BKPyV-infected bladder cancer cell model and a mice tumor model to discuss the role of BKPyV infections.
Results:
Our research proves that BKPyV infections promote the proliferation, invasion and migration of bladder cancer cells, while the activation of β-catenin signaling pathway is one of its mediation mechanisms.
Conclusions:
We first described BKPyV infection promotes the proliferation, invasion and migration of bladder cancer. We verified the role of β-catenin signaling pathway and Epithelial-Mesenchymal Transition effect in BKPyV-infected bladder cancer. These results provide meaningful information towards the diagnosis and treatment of clinical bladder cancer.
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