• naphtho[1,2-b]furan-4,5-dione inhibits mda-mb-231 cell migration and invasion by suppressing src-mediated signaling pathways

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    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
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     naphtho[1,2-b]furan-4,5-dione (nfd), a bioactive component of avicennia marina, has been demonstrated to display anti-cancer activity. breast cancer is a highly malignant carcinoma and most deaths of breast cancer are caused by metastasis. in this study, we showed that nfd blocked migration and invasion of mda-mb-231 breast cancer cells without affecting apoptosis or growth arrest. nfd caused significant block of src kinase activity in mda-mb-231 cells. moreover, nfd treatment was correlated with reduced phosphorylation of fak at tyr 576/577, 861 and 925 sites, p130cas at tyr 410, and paxillin at tyr 118. nfd also suppressed the activation of phosphatidylinositol 3-kinase/akt. consistent with inhibition of these signaling pathways and invasion, nfd reduced the expression of matrix metalloproteinase-9. furthermore, src antagonist pp2 caused a significant decrease in the phosphorylation of fak, p130cas, paxillin, and pi3k/akt. our findings provide evidences that nfd inhibits src-mediated signaling pathways involved in controlling breast cancer migration and invasion, suggesting that it has a therapeutic potential in breast cancer treatment.

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