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Objective:  Kidney transplantation is an important treatment option in end stage renal failure. Tissue death may be an important problem when a kidney is removed from a cadaver and transported to a donor a long distance away. The purpose of this study is to determine the critical time point for apoptotic cell death in a renal ischemia/reperfusion model and determine the effects of N-acetylcystein on apoptosis induced by ischemia injury.    Methods:  Apoptotic cell death after induced renal ischemia followed by reperfusion, was estimated in a group of Wistar albino rats by immunoflourescence and ELISA techniques. N-acetylcystein, an antioxidant agent, was given to the rats to study the effect on apoptosis. Tissues were examined immunohistochemically at 0, 1 h, 24 h, 5 days and 10 days for detection of apoptotic cells.    Results:  Our results showed that an ischemia for 60 min followed by reperfusion for 60 min triggered apoptosis. Moreover, N-acetylcystein significantly diminished both the ischemia/reperfusion damage and apoptosis.    Conclusion:  We anticipate our results would be important for kidney transplantation in estimating the critical time point for apoptosis and administration of N-acetylcystein prior to removal of the organ may be important in delaying the onset of apoptosis.

Critical time point for apoptotic cell death in an experimental ischemia/reperfusion model and the effect of N-acetylcystein