期刊
BIOTECHNIC & HISTOCHEMISTRY
卷 90, 期 1, 页码 25-30出版社
TAYLOR & FRANCIS INC
DOI: 10.3109/10520295.2014.936507
关键词
endosulfan; immunohistochemistry; kidney; pathology; rabbits; toxicity
Endosulfan is an insecticide that is composed of two stereoisomers: alpha- and beta-endosulfan in an approximate ratio of 70: 30. Owing to its widespread use, poisoning of both humans and animals is possible. We examined the toxic effects of endosulfan on New Zealand white rabbit kidneys. Rabbit kidneys were examined histopathologically and caspase-3 activity was detected using immunohistochemistry. Animals were divided into four groups: Group 1 was given a sublethal dose of endosulfan in corn oil by oral gavage daily for 6 weeks, Group 2 was given endosulfan + vitamin C during the same period, Group 3 was given corn oil daily and vitamin C on alternate days, Group 4 was given only corn oil daily throughout the experiment. By the end of experimental period, the concentration of alpha-endosulfan was greater than the beta-endosulfan concentration in the kidneys of both of endosulfan treated groups (Groups 1 and 2). Decreased accumulation of alpha -and beta-endosulfan was observed in Group 2, possibly because of the antioxidant effect of the vitamin C. Histopathological examination revealed hemorrhages, tubule cell necrosis, glomerular infiltration, glomerulosclerosis and proteinaceous material in the tubules, and Bowman spaces in the kidneys of Group 1. Caspase-3 reaction was stronger in Group 1 than in the other groups. Apoptotic activity was most frequent in proximal tubule cells. Endosulfan is toxic to rabbit kidneys. Vitamin C treatment reduced the accumulation of endosulfan in kidneys and reduced its toxicity.
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