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    Ischemia-reperfusion injury of rabbit ovary and protective effect of trapidil: an experimental study
    (Springer, 2008) Somuncu, Salih; Cakmak, Murat; Dikmen, Gunnur; Akman, Huelya; Kaya, Murat
    We aimed to detect the protective effect of trapidil in ischemia-reperfusion (IR) injury due to ovarian torsion and detorsion. Thirty-two pubertal New Zealand albino rabbits were used. Adnexal torsion was created by rotating the left adnexa including the tubal and ovarian vessels in a 360 clockwise direction. Adnexal detorsion was done by untwisting the adnexa. In the IR group, left oopherectomy was performed after 3 h of adnexal torsion and 3 h of adnexal detorsion. In the study group, a 3-h adnexal torsion was performed and trapidil was administered intraperitoneally as a single dose of 40 mg/kg, 1 h before detorsion. The left oopherectomy was performed after a 3-h adnexal detorsion. In the sham group, sham operation was performed followed by left oopherectomy. In the control group, normal ovarian tissue was evaluated. Catalase, superoxide dismutase (SOD), glutathione peroxidase (GSH-Px), and malondialdehyde (MDA) levels of ovarian tissue were determined for each group. The values of SOD and GSH-Px activities in the IR group were significantly decreased (P < 0.05). In addition, the MDA level was significantly higher in the IR group (P < 0.01). The trapidil-administered group showed significant increase in the levels of GSH-Px (P < 0.05), catalase (P < 0.05), SOD (P < 0.05), and decreased MDA levels (P < 0.05) compared to those in the IR group. The study has shown that trapidil treatment prevents ischemia induced oxidative damage in the ovarian tissues of rabbits.