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Role of Ets-1 in fibronectin-derived heparin-binding domain polypeptides alleviating melanoma cell invasiveness and chemoresistance

, : Role of Ets-1 in fibronectin-derived heparin-binding domain polypeptides alleviating melanoma cell invasiveness and chemoresistance. Experimental Dermatology 23(7): 512-513

In this study, we observed that rhFNHN29 and rhFNHC36, two recombinant heparin-binding domain polypeptides of fibronectin, suppressed adhesion and invasion of B16F10 and A375 melanoma cells mediated by integrin αv and α2 in a dose-dependent manner. Combined with low-concentration epirubicin (EPI), rhFNHN29 or rhFNHC36 exhibited a synergistic inhibition on the viability and metastasis of B16F10 cells. Moreover, in the presence of high-concentration rhFNHN29 or rhFNHC36, the Ets-1 activity and the expression of p-FAK, p-Erk1/2 and Ets-1 were notably downregulated in B16F10 cells. Ets-1 is one of the central regulatory links for rhFNHN29 and rhFNHC36 to suppress the adhesion and invasion of melanoma cells. Combining rhFNHN29 or rhFNHC36 with EPI may be a good way to alleviate invasiveness or chemoresistance in melanoma.


PMID: 24816403

DOI: 10.1111/exd.12444

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