Comparative studies on serum arginase and transaminases in hepatic necrosis in various species of domestic animals.
Serum concentrations of arginase, glutamic pyruvic transaminase (SGPT) and glutamic oxaloacetic transaminase (SGOT) in dogs, cats, horses, cattle, sheep and pigs were determined before and after oral administration of CCl(4) at doses known to cause hepatic necrosis. Following CCl(4) administration, serum concentration of arginase and SGOT increased to a level of diagnostic significance in all animals. SGPT increased markedly in dogs and cats and marginally in 1 of 3 cattle and 2 of 3 pigs. In the surviving animals, the serum concentration of arginase returned to normal range much earlier than SGPT or SGOT. Based on the CCl(4) experimental toxicity results of this study, an elevated level of serum arginase would appear to be a reliable indicator of hepatic necrosis in both small and large animals whereas SGPT would be a reliable indicator of hepatic necrosis only in dogs and cats.
Biological Research Division, Pitman-Moore, Inc., Washington Crossing, New Jersey 08560.
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Koger