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PS VII inhibits the migration and invasion of U2OS osteosarcoma cells. (A) U2OS cell migration was assessed by a wound healing assay following treatment with 0 or 1 μM PS VII 24 h. (B) U2OS cell invasion was assessed by Transwell assay following treatments with 1 μM PS VII for 24 h and staining with crystal violet. Values are presented as the mean ± standard deviation of three independent experiments. **P<0.01 vs. control. PS VII, Paris saponin VII.
