Abstract
The aim of this study was to investigate the in vitro and in vivo efficacies of chemotherapy employing albendazole liposome (L-ABZ), Huaier aqueous extract, and a Huaier aqueous extract/L-ABZ combination against Echinococcus granulosus. Protoscolices of E. granulosus were incubated in vitro with the two drugs, either separately or in combination, at the following final concentrations: 2 mg/mL Huaier aqueous extract, 10 μg/mL L-ABZ, and 2 mg/mL Huaier aqueous extract + 10 μg/mL L-ABZ. Huaier aqueous extract and L-ABZ displayed slower protoscolicidal activity when applied separately than when used in combination. The maximum protoscolicidal effect was found with the combination Huaier aqueous extract + L-ABZ. Despite the low Huaier aqueous extract + L-ABZ concentrations used, protoscolex viability dropped rapidly. In vivo studies were performed on mice injected with protoscolices of E. granulosus. Huaier aqueous extract and L-ABZ were administered three times a week for a period of 4 months by the oral route. Huaier aqueous extract in E. granulosus-infected mice was effective. Combined application of both drugs did increase the treatment efficacy. In conclusion, the outcomes obtained clearly demonstrated that in vitro and in vivo treatment with Huaier aqueous extract and L-ABZ is effective against E. granulosus.
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This study was supported by the National Natural Science Foundation of China (no. 30960338), National Key Technologies R&D Program of China (no. 2009BAI82B06), Xinjiang Production and Construction Corps foundation (2011BB019, 2011BA0158), and Shihezi University foundation (Rezx200925, LHJJ2010B10).
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Hailong Lv and Yufeng Jiang contribute equally to the manuscript.
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Lv, H., Jiang, Y., Liao, M. et al. In vitro and in vivo treatments of Echinococcus granulosus with Huaier aqueous extract and albendazole liposome. Parasitol Res 112, 193–198 (2013). https://doi.org/10.1007/s00436-012-3125-1
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DOI: https://doi.org/10.1007/s00436-012-3125-1