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Pretreatment with allopurinol partly prevented generation of free oxygen radicals in the pancreas of dogs with experimental acute pancreatitis. Allopurinol holds promise for the prevention of acute postoperative pancreatitis.
The development of experimental acute pancreatitis in rats was accompanied by intensification of lipid peroxidation, activation of superoxide dismutase and glutathione reductase, inhibition of glutathione transferase, and deceleration of aniline N-hydroxylation by cytochrome P-450 in the liver. Antioxidants inhibited lipid peroxidation and antioxidant… (More)
In dogs with acute reflux pancreatitis specific activity of superoxide dismutase in the pancreas rapidly increased (over 15 min). Activation of this enzyme by free oxygen radicals was demonstrated in in vitro experiments. Treatment with allopurinol prevented activation of superoxide dismutase. Our results indicate that superoxide ions are generated in the… (More)
Titanium and polypropylene mesh endoprostheses were implanted into the rat abdominal cavity and the populations of cells migrating to their surface were analyzed. On both materials, the cells were presented mainly by macrophages that proliferated, activated, and fused to form multinuclear cells. Contact with the foreign surface triggered superoxide anion… (More)