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KMID : 1141320220370030203
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Kosin Medical Journal
2022 Volume.37 No. 3 p.203 ~ p.212
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Identification of the transcriptome profile of Miamiensis avidus after mebendazole treatment
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Kim Hyun-Su
Lee A-Reum
Jeon Kyung-Yoon
Ko Eun-Ji
Cha Hee-Jae
Ock Mee-Sun
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Abstract
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Background: The scuticociliate Miamiensis avidus is a major pathogenic agent that causes significant economic losses in the flounder aquaculture industry. Many different types of drugs are being tested to control this disease, including mebendazole, which is a broad-spectrum antiprotozoal agent. The purpose of this study was to determine whether mebendazole worked in vitro against M. avidus and to explore its mechanism of action.
Methods: Transcriptome and gene ontology analyses were conducted to investigate the specifically expressed gene profile. We confirmed the cytotoxic effect of mebendazole against M. avidus when it was applied intermittently for a total of three times. We also identified differentially expressed genes using transcriptome analysis.
Results: Most of the upregulated genes were membrane transport-related genes, including Na+/K+-ATPase. Most of the downregulated genes were categorized into three groups: tubulin-related, metabolism-related, and transport-related genes. The expression levels of glucose uptake-related genes decreased due to the inhibition of tubulin polymerization, but this was not statistically significant.
Conclusions: Our results demonstrate that intermittent treatment with mebendazole has a significant cytotoxic effect on M. avidus. Furthermore, mebendazole induces downregulation of the tubulin-alpha chain and metabolism-related genes. It is presumed that this leads to a glucose shortage and the death of M. avidus. Transcriptome analysis will provide useful clues for further studies on mebendazole applications for scutica control.
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KEYWORD
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Differentially expressed genes, Mebendazole, Miamiensis avidus, Transcriptome analysis
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