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KMID : 1161320220370030162
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Journal of Animal Reproduciton and Biotechnology
2022 Volume.37 No. 3 p.162 ~ p.168
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Mecoprop-p interrupts the development of zebrafish via apoptosis and vascular damage
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Park Jun-Ho
An Ga-Ram
Park Ha-Hyun
Hong Tae-Yeon
Chu Kyung-Su
Lim Wha-Sun
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Abstract
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Mecoprop-p, a chlorophenoxy herbicide, has been widely used since the 1980s. Due to its high water solubility, it could be detected in the aquatic environment, as it has already been detected in the surface water or groundwater in several countries. The toxicity of other chlorophenoxy herbicides has been reported; however, there are few studies on the toxicity of mecoprop-p, one of the chlorophenoxy herbicides, on aquatic organisms. Here, we investigated the toxic effects of mecoprop-p using zebrafish. After mecoprop-p exposure, we observed that the zebrafish larvae eyes did not form normally, heart edema was generated, and the body length was shortened. The number of cells undergoing apoptosis also increased in the anterior part including head, heart, and yolk sac of the mecoprop-p-treated zebrafish compared to the untreated controls. Moreover, cardiovascular structures, including the heart and aortic arches, were also malformed after exposure to mecoprop-p. Therefore, our results suggest that mecoprop-p could cause abnormal development in zebrafish larvae and there is also a high possibility that mecoprop-p would be toxic to other aquatic organisms.
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KEYWORD
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abnormal development, apoptosis, cardiovascular toxicity, mecoprop-p, zebrafish
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