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- W4367693293 abstract "Abstract Oxidative stress has been linked to the onset and progression of different neoplasia. Antioxidants might help prevent it by modulating biochemical processes involved in cell proliferation. Here, the aim was to evaluate the in vitro cytotoxic effect of Haloferax mediterranei bacterioruberin-rich carotenoid extracts (BRCE) (0–100 µg/ml) in six BC cell lines, representative of the intrinsic phenotypes and a healthy mammary epithelium cell line. Cell index values were obtained using xCELLigence RTCA System. Furthermore, cell diameter, viability, and concentration were measured at 12 h, 24 h, and 30 h. We found that BC cells were selectively affected by BRCE (SI > 1, p < 0.005). After 30 h, the population of BC cells exposed to 100 µg/ml was 11.7–64.6% of the control ( p = 0.0001–0.0009). Triple-negative cells were significantly affected [MDA-MB-231 (IC 50 51.8 µg/ml, p < 0.0001) and MDA-MB-468 (IC 50 63.9 µg/ml, p < 0.0001)]. Cell size was also reduced after 30 h treatment in 3.8 (± 0.1) µm and 3.3 (± 0.02) µm for SK-BR-3 ( p < 0.0001) and MDA-MB-468 ( p < 0.0001), respectively. In conclusion, Hfx. mediterranei BRCE exerts a cytotoxic effect on BC cell lines representative of all studied intrinsic subtypes. Furthermore, results obtained for MDA-MB-231 and MDA-MB-468 are very promising, considering the aggressive behaviour of the triple-negative BC subtype." @default.
- W4367693293 created "2023-05-03" @default.
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- W4367693293 date "2023-05-02" @default.
- W4367693293 modified "2023-10-10" @default.
- W4367693293 title "Haloarchaeal carotenoids exert an in vitro antiproliferative effect on human breast cancer cell lines" @default.
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- W4367693293 doi "https://doi.org/10.1038/s41598-023-34419-x" @default.
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