Topical permethrin exposure inhibits antibody production and macrophage function in C57B1/6N mice
Permethrin was applied to the shaved dorsal interscapular region of C57B1/6N mice at doses of 0.5, 1.5 or 5.0 mu l/day. These doses corresponded to approximately 22-220 mg/kg/day topical insecticide. Mice were exposed to permethrin in this manner daily for 10 or 30 consecutive days, or every other d...
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Veröffentlicht in: | Food and chemical toxicology 2001-02, Vol.39 (2), p.133-139 |
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container_title | Food and chemical toxicology |
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creator | PUNAREEWATTANA, K SMITH, B. J BLAYLOCK, B. L LONGSTRETH, J SNODGRASS, H. L GOGAL, R. M PRATER, R. M HOLLADAY, S. D |
description | Permethrin was applied to the shaved dorsal interscapular region of C57B1/6N mice at doses of 0.5, 1.5 or 5.0 mu l/day. These doses corresponded to approximately 22-220 mg/kg/day topical insecticide. Mice were exposed to permethrin in this manner daily for 10 or 30 consecutive days, or every other day for 7 or 14 exposures. The splenic macrophage chemiluminescent response was depressed in a dose-dependent manner at 2 and 10 days post-exposure to permethrin. Phagocytic ability of macrophages was not inhibited. Antibody production as shown by plaque-forming cell (PFC) assay decreased significantly after 10 consecutive days of exposure to permethrin. These data indicate that topical permethrin exposure may produce systemic immune effects. |
doi_str_mv | 10.1016/S0278-6915(00)00116-2 |
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source | Elsevier ScienceDirect Journals |
subjects | Biological and medical sciences Medical sciences Pesticides, fertilizers and other agrochemicals toxicology Toxicology |
title | Topical permethrin exposure inhibits antibody production and macrophage function in C57B1/6N mice |
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