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|標題:||1-Deoxynojirimycin Inhibits Metastasis of B16F10 Melanoma Cells by Attenuating the Activity and Expression of Matrix Metalloproteinases-2 and-9 and Altering Cell Surface Glycosylation||作者:||Wang, R.J.
|關鍵字:||1-Deoxynojirimycin (1-DNJ);antimetastatic potential;matrix;metalloproteinases-2 and-9;cell surface glycosylation;tissue inhibitor;in-vivo;tumor;oligosaccharides;carcinoma;motility;invasion;cancer||Project:||Journal of Agricultural and Food Chemistry||期刊/報告no：:||Journal of Agricultural and Food Chemistry, Volume 58, Issue 16, Page(s) 8988-8993.||摘要:||
1-Deoxynojirimycin (1-DNJ), an iminosugar rich in mulberry, has been shown to possess antimetastatic potential. The antimetastatic mechanisms of 1-DNJ in melanoma B16F10 cells were studied, as were the antimetastatic activity (cell adhesion, migration, and invasion) of 1-DNJ, matrix metalloproteinases (MMP-2 and MMP-9), tissue inhibitors of metalloproteinase (TIMP-1 and TIMP-2) mRNA, and flow cytometric analysis of cell surface in melanoma B16F10 cells. 1-DNJ significantly inhibited invasion, migration, and cell-matrix adhesion and markedly decreased MMP-2 and MMP-9 activity and mRNA expression. In contrast, 1-DNJ effectively enhanced the expression of TIMP-2 mRNA. In addition, 1-DNJ significantly decreased abnormal glycosylation and/or sialylation on B16F10 melanoma cell surface but increased the levels of a-mannose. Thus, the antimetastatic effects of 1-DNJ against B16F10 melanoma cells are likely associated with its attenuated activities and expression of MMP-2/9, enhancement of the TIMP-2 mRNA expression, and alterations of the cell surface-binding motif. These results suggest that 1-DNJ may be useful as an adjuvant of antimetastatic agents such as cisplatin.
|Appears in Collections:||食品暨應用生物科技學系|
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