1. Cell death induction by mycelium extracts from Pleurotus spp. on cervical cancer cell lines.
- Author
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Contreras-Ochoa CO, Maza-Lopez J, Mendoza de Gives P, Aguilar-Marcelino L, Mojica-Cardoso C, Dimas-González J, Fernández-Coto DL, Reyna-Figueroa J, López-Arellano ME, and Lagunas-Martínez A
- Subjects
- Female, Humans, Tumor Suppressor Protein p53 metabolism, Mycelium chemistry, HeLa Cells, Apoptosis, Pleurotus chemistry, Uterine Cervical Neoplasms drug therapy, Antineoplastic Agents pharmacology, Antineoplastic Agents analysis
- Abstract
Mushrooms have health benefits, including anti-tumoral properties. We evaluated the cytotoxic and cell death induction effects of water-soluble extracts of Pleurotus ostreatus and Pleurotus eryngii mycelium in the cervical cancer cell lines HeLa (HVP18
+ ) and SiHa (HVP16+ ) as well as the non-tumoral cell line HaCaT. Both Pleurotus extracts presented similar protein patterns from 190 to 10 kDa and displayed protease activity on a gelatine substrate. The mycelium extracts of both Pleurotus strains induced a dose-dependent cytotoxic effect on HPV+ cells IC50 65 µg), whereas HaCaT cells were less susceptible (IC50 90 µg). The cytotoxic effect at the IC50 concentration was not associated with apoptosis, the activation of Caspases-3/7 was not significantive; only P. eryngii induced a moderate (1.2-fold) increase in SiHa cells. Pleurotus extracts induced autophagy, mainly in SiHa cells (4.3-fold). Neither extracts induced changes in p53 protein expression, suggesting that the cytotoxic effect could be due to p53-independent pathways.- Published
- 2022
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