We investigated anti-invasive effects of the anthocyanins from fruits of Vitis coignetiae Pulliat (known as meoru in Korea) on human hepatoma Hep3B cells. The anthocyanins inhibited cell invasion in a dose-dependent manner as measured by Matrigel (BD Biosciences, San Jose, CA, USA) invasion assays. They also inhibited expression of matrix metalloproteinase (MMP)-2 and MMP-9 and activation of nuclear factor kappaB (NF-kappaB) stimulated by tumor necrosis factor alpha. Taken together, the results of this study indicate that the anthocyanins isolated from fruits of V. coignetiae Pulliat have anti-invasive effects on human hepatoma Hep3B cells and inhibit MMP-2 and MMP-9 gene expression at least in part through the inhibition of NF-kappaB activation.
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