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Changes in lipid peroxidation levels and lipid composition in the lungs, livers, kidneys and brains of mice treated with paraquat

✍ Scribed by Nobuyoshi Sato; Kohyu Fujii; Osafumi Yuge; Michio Morio

Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
325 KB
Volume
12
Category
Article
ISSN
0260-437X

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✦ Synopsis

We examined lipid peroxide levels and the lipid composition of homogenates prepared from the lungs, livers, kidneys and brains of 48 male ICR mice treated with 30 mg kg-I paraquat (l,l'-dimethyl-4,4'-bipyridylium dichloride). The mice were divided into eight groups, in which they were killed 0, 1.5, 3, 6, 12, 24, 48 and 120 h after the administration of paraquat. A significant increase in the lipid peroxide level was identified only in the liver. Change in lipid composition was identified in all the examined organs. However, the change was not a characteristic one in which there is a selective decrease of polyunsaturated fatty acids which become degraded in a lipid peroxidation reaction. It is possible that the mechanism of paraquat toxicity may differ in different organs.

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