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- W2586550166 endingPage "e0171840" @default.
- W2586550166 startingPage "e0171840" @default.
- W2586550166 abstract "Dihydroartemisinin (DHA) and artesunate (ARS), two artemisinin derivatives, have efficacious anticancer activities against human hepatocarcinoma (HCC) cells. This study aims to study the anticancer action of the combination treatment of DHA/ARS and farnesylthiosalicylic acid (FTS), a Ras inhibitor, in HCC cells (Huh-7 and HepG2 cell lines). FTS pretreatment significantly enhanced DHA/ARS-induced phosphatidylserine (PS) externalization, Bak/Bax activation, mitochondrial membrane depolarization, cytochrome c release, and caspase-8 and -9 activations, characteristics of the extrinsic and intrinsic apoptosis. Pretreatment with Z-IETD-FMK (caspase-8 inhibitor) potently prevented the cytotoxicity of the combination treatment of DHA/ARS and FTS, and pretreatment with Z-VAD-FMK (pan-caspase inhibitor) significantly inhibited the loss of ΔΨm induced by DHA/ARS treatment or the combination treatment of DHA/ARS and FTS in HCC cells. Furthermore, silencing Bak/Bax modestly but significantly inhibited the cytotoxicity of the combination treatment of DHA/ARS and FTS. Interestingly, pretreatment with an antioxidant N-Acetyle-Cysteine (NAC) significantly prevented the cytotoxicity of the combination treatment of DHA and FTS instead of the combination treatment of ARS and FTS, suggesting that reactive oxygen species (ROS) played a key role in the anticancer action of the combination treatment of DHA and FTS. Similar to FTS, DHA/ARS also significantly prevented Ras activation. Collectively, our data demonstrate that FTS potently sensitizes Huh-7 and HepG2 cells to artemisinin derivatives via accelerating the extrinsic and intrinsic apoptotic pathways." @default.
- W2586550166 created "2017-02-17" @default.
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- W2586550166 date "2017-02-09" @default.
- W2586550166 modified "2023-09-24" @default.
- W2586550166 title "Farnesylthiosalicylic acid sensitizes hepatocarcinoma cells to artemisinin derivatives" @default.
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- W2586550166 doi "https://doi.org/10.1371/journal.pone.0171840" @default.
- W2586550166 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/5300221" @default.
- W2586550166 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/28182780" @default.
- W2586550166 hasPublicationYear "2017" @default.
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