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Published on: May 17, 2024
Tadalafil protector effect during ischemia-reperfusion in rats.
Eduardo Gabriel Gerber Wietzikoski1, Julio Cesar Foiatto1, Nicolau Gregori Czeczko2
1Fellow Master degree, Postgraduate Program in Surgery Principles, Medical Research Institute, Faculdade Evangélica do Paraná (FEPAR), Curitiba-PR, Brazil. Conception, design, intellectual and scientific content of the study; manuscript preparation.
Tadalafil administration before warm ischemia and reperfusion in rats significantly reduced renal leukocyte infiltration. This finding suggests a potential protective effect of tadalafil in kidney injury.
Area of Science:
- Nephrology
- Pharmacology
- Experimental Medicine
Background:
- Warm ischemia and reperfusion injury (IRI) is a significant cause of acute kidney injury.
- Tadalafil, a phosphodiesterase-5 inhibitor, has shown potential renoprotective effects in various models.
- The impact of tadalafil on histological damage following renal IRI requires further investigation.
Purpose of the Study:
- To investigate the histological effects of tadalafil on rat renal tissue subjected to warm ischemia and subsequent reperfusion.
- To evaluate specific histological parameters indicative of renal injury and inflammation.
Main Methods:
- Twenty rats were allocated into two groups: a control group and an experimental group receiving tadalafil (10 mg/kg).
- Both groups underwent a partial nephrectomy followed by 45 minutes of warm ischemia and 24 hours of reperfusion.
- Histological analysis focused on parameters such as tubular cell detachment, brush border loss, interstitial edema, leukocyte infiltration, and necrosis.
Main Results:
- Tadalafil administration significantly reduced leukocyte infiltration in the renal interstitium (p = 0.036).
- No statistically significant differences were observed between the groups for other evaluated histological parameters, including tubular damage and edema.
- Mortality rate was 20% in both groups, with excluded rats not impacting the primary outcome analysis.
Conclusions:
- Tadalafil demonstrates a statistically significant protective effect against leukocyte infiltration during renal warm ischemia and reperfusion.
- Further research is warranted to explore the broader renoprotective mechanisms and clinical applicability of tadalafil in IRI.
