Low doses of ethanolic extract of Boldo(Peumus boldus) can ameliorate toxicity generated by cisplatin in normal liver cells of mice in vivo and in WRL-68 cells in vitro, but not in cancer cells in vivo or in vitro

查看全文 作　　者：Jesmin [1]Mondal;Kausik [1]Bishayee;Ashis Kumar [2]Panigrahi;Anisur Rahman Khuda-[1]Bukhsh

机构地区：[1]Cytogenetics and Molecular Biology Laboratory, Department of Zoology, University of Kalyani;[2]Fisheries and Aquaculture Laboratory, Department of Zoology, University of Kalyani

出　　处：《Journal of Integrative Medicine》索引2014年第12卷第5期,共14页

基　　金：supported by a grant of University of Grant Commission,New Delhi,India,sanctioned to Jesmin Mondal through Maulana Azad National Fellowship scheme 摘　　要：OBJECTIVE: Use of cisplatin, a conventional anticancer drug, is restricted because it generates strong hepatotoxicity by accumulating in liver. Therefore its anticancer potential can only be fully exploited if its own toxicity is considerably reduced. Towards this goal, ethanolic extract of the plant, Boldo(Peumus boldus), known for its antihepatotoxic effects, was used simultaneously with cisplatin, to test its ability to reduce cisplatin's cytotoxicity without affecting its anticancer potential. METHODS: The cytotoxicity of Boldo extract(BE) and cisplatin, administered alone and in combination, was determined in three cancer cell lines(A549, HeLa, and HepG2) and in normal liver cells(WRL-68). Drug-DNA interaction, DNA damage, cell cycle, apoptosis, reactive oxygen species(ROS) and mitochondrial membrane potential(MMP, ΔΨ) were also studied. Hepatotoxicity and antioxidant activity levels were determined by alanine aminotransferase, aspartate aminotransferase, lactate dehydrogenase and glutathione assays in mice. The cytotoxicity of related proteins was tested by Western blotting. RESULTS: Co-administration of BE and cisplatin increased viability of normal cells, but had no effect on the viability of cancer cells. Boldo protected liver from damage and normalized different antioxidant enzyme levels in vivo and also reduced ROS and re-polarized MMP in vitro. Bax and cytochrome c translocation was reduced with caspase 3 down-regulation. Further, a drugDNA interaction study revealed that BE reduced cisplatin's DNA-binding capacity, resulting in a reduction in DNA damage. CONCLUSION: Results indicated that a low dose of BE could be used benefi cially in combination with cisplatin to reduce its toxicity without hampering cisplatin's anticancer effect. These fi ndings signify a potential future use of BE in cancer therapy. 关键词：乙醇提取物肿瘤细胞肝毒性肝细胞低剂量顺铂体外体内

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Low doses of ethanolic extract of Boldo(Peumus boldus) can ameliorate toxicity generated by cisplatin in normal liver cells of mice in vivo and in WRL-68 cells in vitro, but not in cancer cells in vivo or in vitro

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