Naringenin, major one of the citrus flavonoids, have been identified that exert antioxidative, anticancer effects. The present study investigated the effects of naringenin on tumor invasion and matrix metalloproteinases (MMPs) activities. Naringenin inhibited cell invasion of HT-1080 fibrosarcoma cells in a dose-dependent manner. The activities of MMP-2 and MMP-9 were inhibited by naringenin as demonstrated by gelatin zymography assay. Furthermore, the amounts of MMP-2, MMP-9, and MT1-MMP mRNA were analyzed in the cells. MMP-2, MMP-9, and MT1-MMP mRNA expression were suppressed by naringenin with time and dose-dependent. These results demonstrate that anti-metastatic activities of naringenin resulted from blocking of invasion of the HT-1080 cells. Taken together, the results of this studies provide evidence that naringenin possess an anti-metastatic activity.
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