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In vitro efficacies of solubility-improved mebendazole derivatives against Echinococcus multilocularis

Recently, we introduced an epoxy group to mebendazole by a reaction with epichlorohydrin and obtained two isoforms, mebendazole C1 (M-C1) and mebendazole C2 (M-C2). The in vitro effects of mebendazole derivatives at different concentrations on Echinococcus multilocularis protoscoleces and metacestod...

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Published in:Parasitology 2019-09, Vol.146 (10), p.1256-1262
Main Authors: Xu, Shuo, Duan, Liping, Zhang, Haobing, Xu, Bin, Chen, Junhu, Hu, Wei, Gui, Weifeng, Huang, Fuqiang, Wang, Xu, Dang, Zhisheng, Zhao, Yumin
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creator Xu, Shuo
Duan, Liping
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Zhao, Yumin
description Recently, we introduced an epoxy group to mebendazole by a reaction with epichlorohydrin and obtained two isoforms, mebendazole C1 (M-C1) and mebendazole C2 (M-C2). The in vitro effects of mebendazole derivatives at different concentrations on Echinococcus multilocularis protoscoleces and metacestodes as well as cytotoxicity in rat hepatoma (RH) cells were examined. The results demonstrated that the solubility of the two derivatives was greatly improved compared to mebendazole. The mortality of protoscoleces in vitro reached to 70–80% after 7 days of exposure to mebendazole or M-C2, and M-C2 showed higher parasiticidal effects than mebendazole (P > 0.05). The parasiticidal effect of M-C1 was low, even at a concentration of 30 µm. The percentage of damaged metacestodes that were treated with mebendazole and M-C2 in vitro at different concentrations were similar, and M-C1 exhibited insignificant effects on metacestodes. Significant morphological changes on protoscoleces and metacestodes were observed after treatment with mebendazole and M-C2. In addition, the introduction of an epoxy group to mebendazole also reduced its cytotoxicity in RH cells. Our results demonstrate that the introduction of an epoxy group not only improved the solubility of mebendazole, but also increased its parasiticidal effects on E. multilocularis and reduced its cytotoxicity in RH cells.
doi_str_mv 10.1017/S0031182019000386
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source Cambridge Journals Online
subjects Animals
Antinematodal Agents - chemistry
Antinematodal Agents - pharmacology
Antinematodal Agents - toxicity
Bioavailability
Cell Line
Cell Survival - drug effects
Cytotoxicity
Derivatives
Disease control
Disease prevention
Drugs
Echinococcus multilocularis
Echinococcus multilocularis - drug effects
Epichlorohydrin
Farmers
Hepatocytes - drug effects
Hepatoma
Isoforms
Laboratory animals
Mebendazole
Mebendazole - analogs & derivatives
Mebendazole - chemistry
Mebendazole - pharmacology
Mebendazole - toxicity
Parasites
Parasitic diseases
Parasitic Sensitivity Tests
Rats
Solubility
Studies
Survival Analysis
Toxicity
title In vitro efficacies of solubility-improved mebendazole derivatives against Echinococcus multilocularis
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