| 1 | Hepatotoxic Alterations Induced by Subchronic Exposure of Rats to Formulated Fenvalerate (20% EC) by Nose Only Inhalation显示文摘Objective Fenvalerate (20% EC) is a synthetic pyrethroid, which is commonly used in India by farmers for the protection of many food and vegetable crops against a wide variety of insects. However, its inhalation toxicity data is very limited in the literature due to the fact that the exposure levels associated with these effects were usually not reported. Hence, inhalation exposure was carried out to investigate the hepatotoxic effects. Method Adult male rats were exposed to fen for 4 h/day, 5 days a week for 90 days by using Flow Past Nose Only Inhalation Chamber. Sham treated control rats were exposed to compressed air in the inhalation chamber for the same period. Results The results indicated hepatomegaly, increased activities of serum clinical enzymes (indicative of liver damage/dysfunction) along with pronounced histopathological damage of liver. Conclusion The hepatotoxic potential of formulated Fen (20% EC) in rats exposed by nose only inhalation is being reported for the first time and warrant adequate safety measures for human beings exposed to this insecticide, particularly by inhalation route. | U.MANI A.K.PRASAD V.SURESHKUMAR P.KUMAR KEWAL LAL B.K.MAJI K.K.DUTTA | 2004 | Biomedical and Environmental Sciences2004，17，3： | 0 |
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