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Erythrocyte glutathione-S-transferase activity in animal species
1Department of Physiology and Pharmacology, School of Veterinary Medicine, Tuskegee University, AL 36088, USA.
Abstract:
This study was conducted to determine and compare the activities of glutathione-S-transferase (GST) in red blood cells of cattle, horses, pigs, goats, dogs, rabbits, rats and mice. The highest GST activity was found in mouse red blood cells followed by that of rats, dogs, cattle, pigs, goats and horses with the lowest activity in rabbits. There were significant differences between the GST activities from these various species. The species differences in GST activities correlate with the reported variable responses of the different species to different toxicants since erythrocyte GST plays a significant role in the detoxification of circulating xenobiotics.