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[Intraprostatic urinary reflux associated prostatitis caused by partial urethral obstruction in the rat model]
Wei Liu1, Shi-Wen Li, Xin-Min Zheng
1Department of Urology, Zhongnan Hospital, Wuhan University, Wuhan, Hubei 430071, China. 1979liuwei@163.com
Zhonghua Nan Ke Xue = National Journal of Andrology
|February 27, 2008
Summary
Researchers developed a rat model for chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) by inducing urinary reflux. Increased cyclooxygenase-2 (COX-2) expression in the prostate suggests its role in CP/CPPS pathogenesis.
Area of Science:
- Urology
- Inflammation Research
- Animal Modeling
Context:
- Chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) is a common urological condition with poorly understood pathogenesis.
- Intraprostatic urinary reflux is a proposed mechanism contributing to CP/CPPS development.
Purpose:
- To establish a reliable rat model for studying intraprostatic urinary reflux-associated prostatitis.
- To investigate the role of cyclooxygenase-2 (COX-2) in the pathogenesis of CP/CPPS using this model.
Summary:
- A rat model of partial urethral obstruction was created to induce intraprostatic urinary reflux and prostatitis.
- Prostate tissues showed inflammation and significantly elevated COX-2 expression in the experimental group compared to controls.
- COX-2 expression increased over time, correlating with the severity of inflammation.
Impact:
- This study provides a valuable animal model for further research into CP/CPPS.
- The findings suggest that up-regulated COX-2 expression due to intraprostatic urinary reflux is a key factor in CP/CPPS development.
