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Updated: May 28, 2026
Renal Ischaemia Reperfusion Injury: A Mouse Model of Injury and Regeneration
Published on: June 7, 2014
Effect of mirtazapine on oxidative stress created in rat kidneys by ischemia-reperfusion
Adem Tok1, Ebru Sener, Abdulmecit Albayrak
1Department of Urology, Erzurum Region Education and Research Hospital, Erzurum, Turkey.
Abstract:
In this study, the effect of mirtazapine on rat kidneys versus ischemia-reperfusion (IR) damage was biochemically and histopathologically investigated. The results have shown that malondialdehyde (MDA) level of healthy rat group is 15.2 mol/g protein. The level of this substance was measured as 26.7 mol/g in only ischemia group. The MDA levels of IR and mirtazapine + renal ischemia-reperfusion (MRIR) groups were 39 ± 17.6 mol/g protein. While myeloperoxidase activity of healthy rat group was 20.2 u/g, the activities of only ischemia, IR, and MRIR groups were 28, 36.3, and 21 u/g, respectively. The glutathione levels were measured as 17.7, 12.8, 7.5, and 16.2 nmol/g in healthy, only ischemia, IR, and MRIR groups, respectively. Finally, glutathione S-transferase activities of healthy, only ischemia, IR, and MRIR groups were determined as 20, 13.8, 7.1, and 18.3 u/g, respectively. Histopathologically, while hemorrhage in interstitial area was observed in only ischemia group, significant tubular epithelial swelling, necrosis, and cast accumulation were seen in IR group. In MRIR group, only mild tubular epithelial swelling and mild hyaline cast accumulation were observed in kidney tissue. Consequently, it can be said that mirtazapine has a protective effect on IR-induced kidney damage.
Insights
Mirtazapine shows a protective effect against kidney damage caused by ischemia-reperfusion (IR) injury. Biochemical and histopathological analyses confirmed reduced oxidative stress and inflammation in rats treated with mirtazapine.
Area of Science:
- Nephrology
- Pharmacology
- Pathology
Background:
- Kidney ischemia-reperfusion (IR) injury is a significant clinical concern.
- Oxidative stress and inflammation are key mediators of IR-induced kidney damage.
- Investigating renoprotective agents is crucial for improving patient outcomes.
Purpose of the Study:
- To investigate the protective effects of mirtazapine against kidney IR injury in a rat model.
- To evaluate the biochemical and histopathological changes associated with IR and mirtazapine treatment.
Main Methods:
- Rats were subjected to renal ischemia-reperfusion.
- Mirtazapine treatment was administered to the MRIR group.
- Biochemical markers including malondialdehyde (MDA), myeloperoxidase (MPO) activity, glutathione (GSH) levels, and glutathione S-transferase (GST) activity were measured.
- Kidney tissues were examined histopathologically.
Main Results:
- Mirtazapine treatment (MRIR group) significantly reduced malondialdehyde levels and myeloperoxidase activity compared to the IR group.
- Glutathione levels and glutathione S-transferase activity were preserved in the MRIR group, indicating reduced oxidative stress.
- Histopathological examination revealed reduced tubular necrosis, epithelial swelling, and cast accumulation in the MRIR group compared to the IR group.
Conclusions:
- Mirtazapine demonstrates significant renoprotective effects against ischemia-reperfusion injury.
- The protective mechanism likely involves the mitigation of oxidative stress and inflammatory responses.
- Mirtazapine may be a potential therapeutic agent for preventing or treating kidney IR injury.
