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    Please use this identifier to cite or link to this item: http://ir.cnu.edu.tw/handle/310902800/28623

    標題: Modulation of Cyclins, p53 and Mitogen-Activated Protein Kinases Signaling in Breast Cancer Cell Lines by 4-(3,4,5-Trimethoxyphenoxy)benzoic Acid
    作者: Lee, Kuan-Han
    Ho, Wen-Yueh
    Wu, Shu-Jing
    Omar, Hany A.
    Huang, Po-Jui
    Wang, Clay C. C.
    Hung, Jui-Hsiang
    貢獻者: 藥學系
    關鍵字: cyclins
    MAPK kinases
    4-(3,4,5-trimethoxyphenoxy)benzoic acid
    日期: 2014-01
    上傳時間: 2015-05-06 21:22:54 (UTC+8)
    出版者: Mdpi Ag
    摘要: Despite the advances in cancer therapy and early detection, breast cancer remains a leading cause of cancer-related deaths among females worldwide. The aim of the current study was to investigate the antitumor activity of a novel compound, 4-(3,4,5-trimethoxyphenoxy)benzoic acid (TMPBA) and its mechanism of action, in breast cancer. Results indicated the relatively high sensitivity of human breast cancer cell-7 and MDA-468 cells towards TMPBA with IC50 values of 5.9 and 7.9 mu M, respectively compared to hepatocarcinoma cell line Huh-7, hepatocarcinoma cell line HepG2, and cervical cancer cell line Hela cells. Mechanistically, TMPBA induced apoptotic cell death in MCF-7 cells as indicated by 4 ',6-diamidino-2-phenylindole (DAPI) nuclear staining, cell cycle analysis and the activation of caspase-3. Western blot analysis revealed the ability of TMPBA to target pathways mediated by mitogen-activated protein (MAP) kinases, 5 ' adenosine monophosphate-activated protein kinase (AMPK), and p53, of which the concerted action underlined its antitumor efficacy. In addition, TMPBA induced alteration of cyclin proteins' expression and consequently modulated the cell cycle. Taken together, the current study underscores evidence that TMPBA induces apoptosis in breast cancer cells via the modulation of cyclins and p53 expression as well as the modulation of AMPK and mitogen-activated protein kinases (MAPK) signaling. These findings support TMPBA's clinical promise as a potential candidate for breast cancer therapy.
    關聯: International Journal of Molecular Sciences, v.15 n.1, pp.743-757
    Appears in Collections:[生物科技系(所)] 期刊論文
    [保健營養系(所) ] 期刊論文
    [化妝品應用與管理系(所)] 期刊論文
    [藥學系(所)] 期刊論文

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