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  • Title: Apoptotic Activity and Cytotoxic Effect of Convolvulus spicatus on Human Breast Cancer Cell Line (MCF-7).
    Author: Ahmed Mobasher M.
    Journal: Pak J Biol Sci; 2021 Jan; 24(6):646-655. PubMed ID: 34486340.
    Abstract:
    <b>Background and Objective:</b> Despite advancements in modern therapeutic strategies, breast cancer still the most common cause of the high death rate among women worldwide. Wild plants and their extracts have been used in traditional medicine because of their efficient anti-cancer properties. This study aims to investigate <i>in vitro</i> the anti-cancer, anti-proliferative and potential therapeutic effects of <i>Convolvulus spicatus </i>(<i>C. spicatus</i>) methanolic extract against human breast cancer cell line Michigan Cancer Foundation-7 (MCF-7), besides putting shed on the mechanism of action of this extract. <b>Materials and Methods:</b> MTT (dimethylthiazol-diphenyltetrazolium bromide) cytotoxicity assay was done to evaluate <i>C. spicatus</i> methanolic extract's cytotoxic effects and its therapeutic potentiality against MCF-7 cells. Flow cytometry was used to clarify the potential impact of the different concentrations of the extract against the cell cycle's evolution. Nuclear densification and apoptotic changes were also analyzed and the Annexin V/propidium iodide staining method was used to ensure the anti-proliferative effect of <i>C. spicatus </i>extracts. The expression level of the apoptotic regulatory gene (Bax gene) was evaluated. <b>Results:</b> The results proved that cytotoxicity was significantly elevated in a dose-dependent manner under various concentrations. preG1 apoptosis and cell growth arrest at the G<sub>2</sub>/M phase was noticed. Bax gene was upregulated at its mRNA level by a 5.6-fold increase, compared to the untreated MCF-7 cells. <b>Conclusion:</b> This study gives deep insight into evaluating natural extracts and/or bioactive ingredients derived from the <i>C. spicatus</i> plant and eventually exhibited a promising apoptosis-inducing anti-cancer agent.
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