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  • Title: The activity of gamma-glutamyltransferase after bile duct ligation in guinea pig.
    Author: Huseby NE, Vik T.
    Journal: Clin Chim Acta; 1978 Sep 01; 88(2):385-92. PubMed ID: 29727.
    Abstract:
    The activity of gamma-glutamyltransferase was studied in guinea pig after bile duct ligation. In serum, an abrupt increase in activity up to 10--20 times the normal value was found 3 h after obstruction and the mean activity over the first 3 days following the operation was some 8 times the normal value. In liver, however, a small decline in activity could be demonstrated. The administration of cycloheximide did not influence the acute increase in serum activity. Bile duct ligation caused marked increases in serum bile acid levels which initially paralleled the serum gamma-glutamyltransferase activity. It is suggested that the increased serum activity may arise from the solubilization by bile acids of liver membrane-bound enzyme.
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