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KMID : 0613820160260101189
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Journal of Life Science
2016 Volume.26 No. 10 p.1189 ~ p.1195
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Effect of Proteases on the Migration and Invasion of U-373-MG Cells Induced by Vascular Endothelial Growth Factor and Hepatocyte Growth Factor
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Jeon Hui-Young
Kim Hwan-Gyu
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Abstract
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Vascular endothelial growth factor (VEGF) and hepatocyte growth factor (HGF) are potent angiogenic factors that have been used clinically to induce angiogenesis. To enable migration and invasion, cells must proliferate and secrete proteinases, which degrade the surrounding extracellular matrix. The goal of this study was to investigate the cell proliferation; matrix metalloproteinase-2 (MMP-2), MMP-9, and plasmin secretion; and migration and invasion of glioma-derived U-373-MG cells induced by VEGF and HGF treatment. An additional goal was to test the hypothesis that elevated secretion of MMP-2, MMP-9, and plasmin contributed directly or indirectly to the proliferation, migration, and invasion of U-373-MG cells. Cell proliferation, migration, and invasion and MMP-2, MMP-9, and plasmin secretion were significantly increased in the VEGF and HGF-treated U-373-MG cells. To elucidate the role of the increased secretion of MMP-2, MMP-9, and plasmin in cell proliferation, migration, and invasion of the U-373-MG cells, they were treated with MMPs inhibitor (BB-94) and plasmin inhibitor (α2AP) prior to VEGF or HGF stimulation. The BB-94 and α2AP treatment resulted in a significant reduction in the cell proliferation, migration, and invasion of the U-373-MG cells as compared with the VEGF- and HGF-treated groups. The results indicate that inhibition of MMPs and plasmin reduce the cell proliferation, migration, and invasion of U-373-MG cells.
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KEYWORD
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Invasion, migration, MMPs, plasmin, protease inhibitor
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