Abstract |
Propanil is a herbicide that is used extensively in rice farming to kill weeds without damaging the rice plant. The immunotoxic effects of acute exposure to propanil were determined in adult C57Bl/6 female mice exposed intraperitoneally to propanil at doses of 0, 10, 25, 50, 100, 200, or 400 mg/kg body wt. One week following exposure, the immune competency of the animals was assessed. Contact hypersensitivity response (CHR), blastogenic response to T- and B-cell-specific mitogens, and mixed lymphocyte reaction (MLR) were significantly depressed only in propanil-treated animals at 400 mg/kg. However, the number of splenic antibody-producing cells was also significantly depressed in a dose-dependent manner at the lower doses of 50, 100, and 200 mg/kg. In addition, a significant reduction in the thymus weight and an increase in absolute and relative spleen weight were also measured in animals treated with 200 and 400 mg/kg. The increase in spleen weight also showed a concomitant rise in spleen cellularity. These data indicate that propanil has a dose-dependent immunotoxic effect on the adult mouse that affects primarily the humoral response.
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Authors | J B Barnett, J Gandy |
Journal | Fundamental and applied toxicology : official journal of the Society of Toxicology
(Fundam Appl Toxicol)
Vol. 12
Issue 4
Pg. 757-64
(May 1989)
ISSN: 0272-0590 [Print] United States |
PMID | 2744277
(Publication Type: Journal Article, Research Support, U.S. Gov't, P.H.S.)
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Chemical References |
- Anilides
- Concanavalin A
- Propanil
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Topics |
- Anilides
(toxicity)
- Animals
- Body Weight
(drug effects)
- Concanavalin A
- Dermatitis, Contact
(immunology)
- Female
- Immunity
(drug effects)
- Mice
- Mice, Inbred C57BL
- Organ Size
(drug effects)
- Propanil
(toxicity)
- Spleen
(drug effects)
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