Protective effects of montelukast and Hypericum perforatum against intestinal ischemia-reperfusion injury in hamsters
Terzi, Elcin Hakan
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Aim: To evaluate the effects of montelukast and Hypericum perforatum against ischemia/reperfusion (I/R)-induced intestinal damage. Materials and methods: Twenty-eight hamsters were divided into 4 groups following midline abdominal laparotomy: control group (n = 7), I/R group (n = 7), montelukast and I/R (MIR) group (n = 7), and Hypericum perforatum and I/R (HPIR) group (n = 7). After 60 min of ischemia through obstruction of the superior mesenteric artery, 24 h of reperfusion was maintained. Ten minutes prior to the reperfusion period, the MIR group received 7 mg/kg of intraperitoneal montelukast and the HPIR group received 7 mg/kg of intraperitoneal Hypericum perforatum. Malondialdehyde, glutathione, myeloperoxidase, and cardiotrophin-1 levels were measured from blood samples. A semiquantitative histological evaluation was performed. Results: Montelukast and Hypericum perforatum significantly reduced malondialdehyde levels and increased glutathione levels compared to the I/R group (P < 0.008). A statistically significant difference was also found between the I/R group and MIR and HPIR groups in terms of myeloperoxidase levels (P < 0.008). The MIR and HPIR groups showed increased cardiotrophin-1 levels compared to the control and I/R groups (P < 0.008 for all). The MIR and HPIR groups showed significantly lower histological scores compared to the I/R group (P = 0.03 and P = 0.007, respectively). Conclusion: This study demonstrated the preventive effects of montelukast and Hypericum perforatum on I/R-induced intestinal injury.