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Fig. 5 | BMC Cancer

Fig. 5

From: Down-regulation of S100A9 inhibits osteosarcoma cell growth through inactivating MAPK and NF-κB signaling pathways

Fig. 5

Reduced S100A9 up-regulates the cell cycle-related proteins p21 and p27 causing the inactivation of CDK2 and CDK4. a. Three OS cell lines were treated with empty vectors and siRNA-S100A9 vectors, and then were tested by western blot in terms of p21 and p27. GAPDH was used as loading control (n = 5, **p < 0.01; ***p < 0.001, versus empty vectors group). b. The activity of CDK2 and CDK4 in OS cells of blank control groups, empty vectors groups and siRNA-S100A9 vectors groups were quantified by spectrophotometric assay (n = 9,***p < 0.001, versus empty vectors group)

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