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Rev. bras. farmacogn ; 27(3): 306-314, May-June 2017. graf
Article in English | LILACS | ID: biblio-898676

ABSTRACT

Abstract Metabolic plasticity in cancer cells assures cell survival and cell proliferation under variable levels of oxygen and nutrients. Therefore, new anticancer treatments endeavor to target such plasticity by modifying main metabolic pathways as glycolysis or oxidative phosphorylation. In American traditional medicine Petiveria alliacea L., Phytolaccacea, leaf extracts have been used for leukemia and breast cancer treatments. Herein, we study cytotoxicity and antitumoral effects of P. alliacea extract in tumor/non-tumorigenic cell lines and murine breast cancer model. Breast cancer cells treated with P. alliacea dry extract showed reduction in β-F1-ATPase expression, glycolytic flux triggering diminished intracellular ATP levels, mitochondrial basal respiration and oxygen consumption. Consequently, a decline in cell proliferation was observed in conventional and three-dimension spheres breast cancer cells culture. Additionally, in vivo treatment of BALB/c mice transplanted with the murine breast cancer TS/A tumor showed that P. alliacea extract via i.p. decreases the primary tumor growth and increases survival in the TS/A model.

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