Abstract:
:Acute renal failure secondary to ischemia/reperfusion (I/R) injury is associated with significant mortality and morbidity. Aminoguanidine (AG), an inducible nitric oxide synthase inhibitor with antioxidant properties, has been reported beneficial in renal I/R injury. The aim of the present study was to investigate the effect of AG on renal I/R injury and compare the effectiveness of different AG treatment modalities. Sprague-Dawley rats were randomly assigned to one of four groups. The control group (n = 6) received sham operation. The I/R group (n = 6), AG-I group (n = 8), and AG-II group (n = 8) received bilateral renal ischemia for 45 min followed by 24 hours of reperfusion. The AG-I group received AG (50 mg/kg) intraperitoneally four hours and 10 minutes before the induction of ischemia. The AG-II group received AG (50 mg/kg) intraperitoneally four hours and 10 minutes after the initiation of reperfusion. Serum urea and creatinine levels increased significantly in the I/R and AG-I groups compared to the control group. Kidney samples from rats in the I/R and AG-I groups revealed severe tubular damage at histopathological examination. Posttreatment with AG significantly reduced serum urea and creatinine levels and improved histopathological lesions compared with the I/R group. Although pretreatment with AG failed to protect kidneys against I/R injury in this experimental model, posttreatment with AG attenuated renal dysfunction and histopathological changes after I/R injury.
journal_name
Ren Failjournal_title
Renal failureauthors
Onem Y,Ipcioglu OM,Haholu A,Sen H,Aydinoz S,Suleymanoglu S,Bilgi O,Akyol Idoi
10.1080/08860220802546313subject
Has Abstractpub_date
2009-01-01 00:00:00pages
50-3issue
1eissn
0886-022Xissn
1525-6049pii
907768691journal_volume
31pub_type
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