Journal
TURKISH JOURNAL OF MEDICAL SCIENCES
Volume 49, Issue 5, Pages 1590-1598Publisher
Tubitak Scientific & Technological Research Council Turkey
DOI: 10.3906/sag-1901-193
Keywords
Hydronephrosis; cyclosporine A; kidney injury; renal pelvic perfusion; renal protection
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Funding
- National Science Fund Project of China [81200501]
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Background/aim: Cyclosporine A (CsA), a traditional immunosuppressive compound, has been reported to specifically prevent ischemia reperfusion tissue injury via apoptosis pathway. This study aimed to explore the renoprotective effects of CsA on the kidneys of rabbits undergoing renal pelvic perfusion. Materials and methods: A total of 30 rabbits were randomly assigned into a control group (n = 6) and an experimental group (n = 24). 'The experimental group underwent a surgical procedure that induced severe hydronephrosis and was then stochastically divided into 4 groups (S1, S1, S2, and S2'), consisting of 6 rabbits each. Groups Si and S1' were perfused with 20 mmHg of fluid, while groups S2 and S2' were perfused with 60 mmHg of fluid. Administration to groups S1' and S2' was done intravenously, with CsA once a day for I week before perfusion. In the control group, after severe hydronephrosis was induced, a sham operation was performed in a second laparotomy. Acute kidney damage was evaluated using hematoxylin and eosin staining, in addition to analyzing the initochondrial ultrastructure and initochondrial membrane potential (MMP). The cytochrome C (CytC) and neutrophil gelatinase-associated lipocalin (NGAL) expression were examined immunohistocheinically using Western blotting and reverse transcription-polymerase chain reaction. Results: It was found that the renal histopathological damage was ameliorated, mitochondrial vacuolization was lower, MMP was higher, and the CytC and NGAL contents were decreased after drug intervention (groups S1' and S2') when compared to the experimental groups (S1 and S2). Furthermore, there was no difference between drug intervention groups S1' and S21'. Conclusion: These results suggest that CsA can attenuate renal damage from severe hydronephrosis induced by renal pelvic perfusion in rabbits. It plays a protective role in the acute kidney injury process, possibly through increased MMP and mitochondrial changes.
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