Yoon Cho, Chul Min Park, Yong-Ju Heo, Hae-Bin Park, Min-Seok Kim
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Drosophila melanogaster as potential alternative animal model for evaluating acute inhalation toxicity.
Drosophila melanogaster (D. melanogaster) is a promising model biological system. It has a short life cycle and can provide a substantial number of specimens suitable for comprehensive genetic and molecular analyses in a short time. In this study, we investigated the acute inhalation toxicity of methylisothiazolinone (MIT) and chloromethylisothiazolinone (CMIT) in a D. melanogaster model. During exposure, environmental conditions, mass median aerodynamic and geometric standard diameters were measured. After inhalation exposure, the survival rate, climbing ability, and bang sensitivity were measured on days 1, 2, and 7. Notably, the survival rate of flies decreased in an exposure concentration-dependent manner. Climbing ability and bang sensitivity were also altered in the MIT/CMIT group, compared with the negative control group. Overall, these results provide a reliable D. melanogaster model system for inhalation toxicity study.
期刊介绍:
The Journal of Toxicological Sciences (J. Toxicol. Sci.) is a scientific journal that publishes research about the mechanisms and significance of the toxicity of substances, such as drugs, food additives, food contaminants and environmental pollutants. Papers on the toxicities and effects of extracts and mixtures containing unidentified compounds cannot be accepted as a general rule.