Early Effects of Tribromoethanol, Ketamine/Xylazine, Pentobarbitol, and Isoflurane Anesthesia on Hepatic and Lymphoid Tissue in ICR Mice
Three hours after TBE or K/X administration, AST activity increased three- to fourfold above that in untreated and saline-injected control animals, and remained high at six hours. Administration of PB did not effect AST activity at three hours, but there was a significant increase at six hours. Activity of ALT was non-significantly increased three hours after TBE and K/X, but not PB administration. Administration of IF had no effect on hepatic enzyme activities, and GGT was not increased after administration of any of the agents. Markedly increased apoptosis was observed in splenic follicles and in hepatic Kupffer and endothelial cells at three hours after TBE and K/X administration, but apoptosis decreased to control levels by six hours. Increased apoptosis was not observed after IF administration.
Administration of TBE and K/X causes injury to lymphocytes and to hepatic Kupffer and endothelial cells within three hours, and PB administration induces changes within six hours. Thus, use of these anesthetic agents should be avoided when experiments are being designed to test short-term effects of an experimental intervention on the spleen and possibly on all lymphoid tissues. In addition, they also should be avoided in experiments testing effects on hepatic tissue.
Document Type: Research Article
Affiliations: Department of Internal Medicine and Sanders-Brown Center on Aging, Room MN644A, University of Kentucky, Lexington, Kentucky 40536-0298
Publication date: 2002-02-01
Comparative Medicine (CM), an international journal of comparative and experimental medicine, is the leading English-language publication in the field and is ranked by the Science Citation Index in the upper third of all scientific journals. The mission of CM is to disseminate high-quality, peer-reviewed information that expands biomedical knowledge and promotes human and animal health through the study of laboratory animal disease, animal models of disease, and basic biologic mechanisms related to disease in people and animals.
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