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http://dx.doi.org/10.7585/kjps.2012.16.3.261

The application of alternative methods for skin irritation evaluation on pesticides  

Jeong, Mi-Hye (Agro-Material Safety Evaluation Division, Department of Agro-Food Safety, National Academy of Agricultural Science, Rural Development Administration)
Kim, Mi-Kyoung (Crop Protection Division, Department of Agro-Food Safety, National Academy of Agricultural Science, Rural Development Administration)
Park, Soo-Jin (Agro-Material Safety Evaluation Division, Department of Agro-Food Safety, National Academy of Agricultural Science, Rural Development Administration)
You, Are-Sun (Agro-Material Safety Evaluation Division, Department of Agro-Food Safety, National Academy of Agricultural Science, Rural Development Administration)
Hong, Soon-Sung (Agro-Material Safety Evaluation Division, Department of Agro-Food Safety, National Academy of Agricultural Science, Rural Development Administration)
Park, Kyung-Hun (Agro-Material Safety Evaluation Division, Department of Agro-Food Safety, National Academy of Agricultural Science, Rural Development Administration)
Park, Jae-Eup (Agro-Material Safety Evaluation Division, Department of Agro-Food Safety, National Academy of Agricultural Science, Rural Development Administration)
Publication Information
The Korean Journal of Pesticide Science / v.16, no.3, 2012 , pp. 261-266 More about this Journal
Abstract
It is common to use many experiment animals to evaluate the toxicity of chemicals including pesticides. For protecting animal, the concepts of 3R (Reduction, Replacement, Refinement) were introduced and in vitro alternatives methods actively have been developed all over the world. Many experimental animals for toxicological tests have been used, so that it is important to establish the alternative methods. In this study, the alternative method using reconstituted human skin model (Keraskin$^{TM}$) was conducted for classification of skin irritation on pesticides. Sixteen formulations selected on the basis of the degree of irritation were treated by Keraskin$^{TM}$ test. The percent of cell viability was measured into the culture medium collected after treatment of the pesticides for 24-72 hrs. The skin irritations of formulations were evaluated by the cell viability. In this study, The 4 formulations with mild irritation in rabbits were evaluated as nonirritant, the 6 formulations with moderate and severe irritation were evaluated as irritant in human skin model test. We suggest that the alternative test using Keraskin$^{TM}$ model could be used as toxicity evaluation for primary irritation index (P.I.I.) score of greater than or equal to 2.1 of pesticides. The further studies should be required to apply for hazardous assessment of pesticides on alternative skin irritation methods because of the interindividual variability of the sensitivity of skin irritation on pesticides.
Keywords
Alternative method; Skin Irritation; Skin model;
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