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Effect of endostatin on RAW264.7 macrophage polarity is associated with NF-κB signaling. a Detection of NF-κB activity by luciferase reporter assay. b–e Expression of NF-κB-related proteins VEGF and PIGF as determined by western blotting. Data represent mean ± SD from three independent experiments. *p < 0.05 versus control group; # p < 0.05 versus pScramble group
