Withania somnifera Induces Cytotoxic and Cytostatic Effects on Human T Leukemia Cells
AbstractCancer chemotherapy is characterized by an elevated intrinsic toxicity and the development of drug resistance. Thus, there is a compelling need for new intervention strategies with an improved therapeutic profile. Immunogenic cell death (ICD) represents an innovative anticancer strategy where dying cancer cells release damage-associated molecular patterns promoting tumor-specific immune responses. The roots of Withania somnifera (W. somnifera) are used in the Indian traditional medicine for their anti-inflammatory, immunomodulating, neuroprotective, and anticancer activities. The present study is designed to explore the antileukemic activity of the dimethyl sulfoxide extract obtained from the roots of W. somnifera (WE). We studied its cytostatic and cytotoxic activity, its ability to induce ICD, and its genotoxic potential on a human T-lymphoblastoid cell line by using different flow cytometric assays. Our results show that WE has a significant cytotoxic and cytostatic potential, and induces ICD. Its proapoptotic mechanism involves intracellular Ca2+ accumulation and the generation of reactive oxygen species. In our experimental conditions, the extract possesses a genotoxic potential. Since the use of Withania is suggested in different contexts including anti-infertility and osteoarthritis care, its genotoxicity should be carefully considered for an accurate assessment of its risk–benefit profile. View Full-Text
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Turrini, E.; Calcabrini, C.; Sestili, P.; Catanzaro, E.; de Gianni, E.; Diaz, A.R.; Hrelia, P.; Tacchini, M.; Guerrini, A.; Canonico, B.; Papa, S.; Valdrè, G.; Fimognari, C. Withania somnifera Induces Cytotoxic and Cytostatic Effects on Human T Leukemia Cells. Toxins 2016, 8, 147.
Turrini E, Calcabrini C, Sestili P, Catanzaro E, de Gianni E, Diaz AR, Hrelia P, Tacchini M, Guerrini A, Canonico B, Papa S, Valdrè G, Fimognari C. Withania somnifera Induces Cytotoxic and Cytostatic Effects on Human T Leukemia Cells. Toxins. 2016; 8(5):147.Chicago/Turabian Style
Turrini, Eleonora; Calcabrini, Cinzia; Sestili, Piero; Catanzaro, Elena; de Gianni, Elena; Diaz, Anna R.; Hrelia, Patrizia; Tacchini, Massimo; Guerrini, Alessandra; Canonico, Barbara; Papa, Stefano; Valdrè, Giovanni; Fimognari, Carmela. 2016. "Withania somnifera Induces Cytotoxic and Cytostatic Effects on Human T Leukemia Cells." Toxins 8, no. 5: 147.
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