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  • Title: Allium willeanum Holmboe exerts anticancer activities on metastatic breast cancer cells MCF-7 and MDA-MB-231.
    Author: Isbilen O, Volkan E.
    Journal: Heliyon; 2021 Aug; 7(8):e07730. PubMed ID: 34401594.
    Abstract:
    Allium species are medically important plants, rich in bioactive molecules with antitumoral properties. In this study, we aimed to investigate the molecular composition and in vitro anticancer activities of Allium willeanum Holmboe, an endemic Allium species of the island of Cyprus. GC-MS analysis of ethanolic extracts of A. willeanum H. bulb (AWB) showed bioactive molecules, octadecanoic acid 2-hydroxy-1-(hydroxymethyl)ethyl ester (21.99 %), hexadecanoic acid (20.42 %), pentadecanoic acid (9.19 %), 1,2-benzenedicarboxylic acid, diethyl ester (8.79 %), with known anticancer activities. AWB exerted significant reduction in mitochondria dependent metabolic activity as a measure of cell growth on MCF-7 (weakly metastatic) and MDA-MB-231 (strongly metastatic) human breast cancer (BCa) cell lines with a more prominent effect on highly metastatic BCa cells. Both trypan blue and lactate dehydrogenase (LDH) cytotoxicity assays quantitatively revealed that exposure to AWB extract significantly reduced cancer cell viability in both tested cell types. Differential activation of caspases in the tested cell lines indicated faster apoptotic activity on MDA-MB-231 cells compared to MCF-7. A significant reduction in cell motility was demonstrated upon AWB exposure of MCF-7 and MDA-MB-231 cells. AWB bioactive molecules collectively act on cancer cells to exert significant cytotoxic, apoptotic activities on both MCF-7 and MDA-MB-231 cells and significantly reduce their lateral motility, elucidating AWB as a promising agent to further be utilized in anticancer studies.
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