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. 2018 Oct;120:98-103.
doi: 10.1016/j.fct.2018.07.011. Epub 2018 Jul 5.

Diosgenin Induces Genotoxic and Mutagenic Effects on HepG2 Cells

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Diosgenin Induces Genotoxic and Mutagenic Effects on HepG2 Cells

Marina Sampaio Cruz et al. Food Chem Toxicol. .

Abstract

Yam roots and other plants from Dioscorea genus have cultural, nutritional and economic importance to tropical and subtropical regions and have a great amount of diosgenin in its composition. In the present study the cytotoxic, genotoxic and mutagenic potential of diosgenin on HepG2 cells was investigated. Cytotoxicity was assessed using MTT and clonogenic assay. Genotoxic and mutagenic effects were performed using single cell gel electrophoresis and cytokinesis-block micronucleus assay, respectively. A reduction on cell viability was observed due to diosgenin treatment at concentrations higher than 30 μM. A genotoxic effect was shown by comet assay and CBMN. Besides, an increase in micronucleus frequency along with a significant cytostatic effect were observed. Diosgenin elicited DNA damage on HepG2 cells which could not be efficiently repaired contributing to the mutagenic effect observed. Those results suggest that diosgenin deleterious effect could take place through genetic instability, fact that affects the normal cell cycle, leading to cell's death.

Keywords: Cytotoxicity; Diosgenin; Genotoxicity; Mutagenicity.

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