Protective effect of osthole on testicular ischemia/reperfusion injury in rats

蛇床子素对大鼠睾丸缺血/再灌注损伤的保护作用

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作者:Osman Hakan Kocaman, Tansel Günendi, Mustafa Erman Dörterler, Ismail Koyuncu, Hakim Çelik, Nihat Yumuşak, Mehmet Emin Böleken

Background

Testicular torsion is a urological emergency that requires urgent surgical intervention which

Conclusion

In our study, we observed that osthole reduced oxidative damage, suppressed the inflammatory process, prevented apoptosis, and reduced cell damage. We think that with repeated doses, cellular damage would gradually decline.

Methods

28 Wistar-albino rats were randomly divided into four experimental groups (n=7). Group 1 was the sham operation group. In Group 2 (I/R), 3-h ischemia was created by rotating the testis 720° clockwise, followed by 3 h of reperfusion. In Group 3 (I/R + single dose of Osthole), 20 mg/kg ostol was administered intraperitoneally half an hour before detorsion after 3 h of torsion. The testis was detorsioned. Three h of detorsion was applied. In Group 4 (I/R + twice doses of Osthole), 20 mg/kg ostol was administered intraperitoneally half an hour before detorsion, followed by 3-h torsion. The testis was released and detorsioned. Half an hour after the detorsion, an intraperitoneal dose of 20 mg/kg osthole was administered again. Detorsion was done for 3 h. All rats were sacrificed after 6 h and right orchiectomy was performed for blood for biochemical analysis and histopathological sample.

Results

Glutathion, nuclear respiratory factor 2, Superoxide dismutase, and 8-hydroxydeoxyguanosine levels were decreased in I/R rats, while interleukin-6, malondialdehyde, and myeloperoxidase levels were increased. While caspase 3, caspase 8, caspase 9, and TUNEL showed moderate immunopositive tissues immunohistochemically in rats with I/R damage, mild immunopositive tissues were detected in Group 3 and Group 4. In the histochemical examination, degenerative tubule structure and separation of epithelial cells were observed in I/R rats, while partially healed testicular tissue was detected in Group 3 and Group 4.

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