In the triple-negative breast cancer MDA-MB-231 cell line, sulforaphane enhances the intracellular accumulation and anticancer action of doxorubicin encapsulated in liposomes
2019
Abstract A new combination of sulforaphane (a natural compound obtained from Brassicaceae vegetables) and the cytostatic drug doxorubicin was entrapped in nanometer-sized liposomes. In vitro experiments were performed to investigate the cytotoxicity of these structures on the human breast cancer cell line MDA-MB-231. Confocal microscopy studies revealed enhanced cellular endocytotic internalization, followed by the release of the examined combination from the lysosomes. The in vitro interaction analysis using the Chou-Talalay approach showed high synergistic activity of the examined combination. This synergistic activity enables a considerable reduction in cytostatic dosage and an increase in cancer treatment efficiency.
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