Abstract:
:The protective effect of oxygen free radical scavenger superoxide dismutase (SOD) against the warm ischemic damage that occurs in kidneys harvested from non-heart-beating donors is controversial because of its short half-life. In this model, we compared the protective effect of SOD and two longer lasting polyethylene glycol (PEG)-linked forms of SOD in a model of renal ischemia induced by 60 min of arterial clamping in rats. Rats treated with PEG1-SOD and PEG2-SOD had a better renal function than controls, with significantly lower serum creatinine levels throughout the follow-up period and a significantly higher creatinine clearance on postoperative days 1, 2, and 4. In native SOD treated-rats, serum creatinine was lower than in controls, though not significantly so, and creatinine clearance was significantly higher on postoperative day 4. Our results indicate that the protective effect of SOD against renal warm ischemia can be enhanced by prolonging its half-life by binding the enzyme to PEG.
journal_name
Transplantationjournal_title
Transplantationauthors
Morpurgo E,Cadrobbi R,Morpurgo M,Rigotti P,Schiavon F,Schiavon O,Caliceti P,Ancona E,Veronese FMdoi
10.1097/00007890-199611150-00006subject
Has Abstractpub_date
1996-11-15 00:00:00pages
1221-3issue
9eissn
0041-1337issn
1534-6080journal_volume
62pub_type
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