4.7 Article

Oxyresveratrol Modulates Genes Associated with Apoptosis, Cell Cycle Control and DNA Repair in MCF-7 Cells

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FRONTIERS IN PHARMACOLOGY
卷 12, 期 -, 页码 -

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FRONTIERS MEDIA SA
DOI: 10.3389/fphar.2021.694562

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oxyresveratrol; artocarpus lakoocha; anticancer; gene expression; microarray

资金

  1. Royal Thai government, Thailand [R253184]

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Oxyresveratrol (OXY) alters key gene expression and biological pathways in MCF-7 breast cancer cells, inducing apoptosis and inhibiting cell cycle control. These changes were validated through quantitative PCR analysis and protein assays.
Oxyresveratrol (OXY) is a small molecule phytochemical which has been reported to have important biological function. The aim of this study was to elucidate the gene expression and biological pathways altered in MCF-7, breast cancer cells following exposure to OXY. The cytotoxicity to different cancer cell lines was screened using MTT assay and then whole gene expression was elucidated using microarray. The pathways selected were also validated by quantitative PCR analysis, fluorometric and western blot assay. A total of 686 genes were found to have altered mRNA expression levels of two-fold or more in the 50 mu M OXY-treated group, while 2,338 genes were differentially expressed in the 100 mu M-treated group. The relevant visualized global expression patterns of genes and pathways were generated. Apoptosis was activated through mitochondria-lost membrane potential, caspase-3 expression and chromatin condensation without DNA damage. G0/G1 and S phases of the cell cycle control were inhibited dose-dependently by the compound. Rad51 gene (DNA repair pathway) was significantly down-regulated (p < 0.0001). These results indicate that OXY moderates key genes and pathways in MCF-7 cells and that it could be developed as a chemotherapy or chemo-sensitizing agent.

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