期刊
RESEARCH IN VETERINARY SCIENCE
卷 83, 期 1, 页码 20-26出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.rvsc.2006.10.013
关键词
flubendazole; mebendazole; benzimidazole anthelmintics; pheasant; biotransformation; enzyme induction
Basal activities of certain pheasant hepatic and intestinal biotransformation enzymes and modulation of their activities by anthelmintics flubendazole (FLBZ) and mebendazole (MBZ) were investigated in subcellular fractions that were prepared from liver and small intestine of control and FLBZ or MBZ treated birds. Several oxidation, reduction and conjugation enzyme activities were assessed. In the liver, treatment of pheasants by FLBZ or MBZ caused very slight or no changes in monooxygenase activities and conjugation enzymes. More significative changes were detected in small intestine. Metyrapone and daunorubicin reductase activities were increased by both substances in the liver. This is the first evidence that certain benzimidazoles modulate reductases of carbonyl group. With respect to the relatively slight extent of the changes caused by FLBZ or MBZ we can assume that repeated administration of therapeutic doses of both FLBZ and MBZ has probably no serious influence on pheasant biotransformation enzyme system. (c) 2006 Elsevier Ltd. All rights reserved.
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