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- W1977539095 abstract "Capsaicin is the major pungent component of the hot chili peppers of the genus Capsicum, which are consumed worldwide as a food additive. More recently, the selective action of capsaicin against cancer cells has been reported. Capsaicin was found to induce apoptosis and inhibit proliferation of a wide range of cancer cells in vitro, whereas being inactive against normal cells. As data on capsaicin-induced genotoxicity are limited and the effects of capsaicin against human lung A549 and DU145 prostate cancer cells were not explored in detail, we were interested in determining whether capsaicin-associated genotoxicity may also provoke A549 and DU145 cell death. Capsaicin-induced decrease in metabolic activity and cell proliferation, and changes in the cell cycle were limited to high concentrations used (≥100 μM), whereas, at lower concentrations, capsaicin stimulated both DNA double strand breaks and micronuclei production. Capsaicin was unable to provoke apoptotic cell death when used up to 250 μM concentrations. Capsaicin induced oxidative stress, but was ineffective in provoking the dissipation of the mitochondrial inner transmembrane potential. A different magnitude of p53 binding protein 1 (53BP1) recruitment contributed to diverse capsaicin-induced genotoxic effects in DU145 and A549 cells. Capsaicin was also found to be a DNA hypermethylating agent in A549 cells. In summary, we have shown that genotoxic effects of capsaicin may contribute to limited susceptibility of DU145 and A549 cancer cells to apoptosis in vitro, which may question the usefulness of capsaicin-based anticancer therapy, at least in a case of lung and prostate cancer." @default.
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- W1977539095 date "2015-02-01" @default.
- W1977539095 modified "2023-10-15" @default.
- W1977539095 title "Capsaicin-induced genotoxic stress does not promote apoptosis in A549 human lung and DU145 prostate cancer cells" @default.
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- W1977539095 doi "https://doi.org/10.1016/j.mrgentox.2015.02.003" @default.
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