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Figure 5: SiPTEN increased the ratio of M2/M1 in the tumor environment. (a) Flow cytometry staining for CD11b, CD86, and CD206 to evaluate the proportion of M1 and M2 macrophages in each group. (b) Expression of Arg1 and iNOS in each group of cells at the molecular level. (c) The expression of Arg1 and iNOS in each group of cells at the protein level. The data were expressed as mean ± standard deviation. The results were reproducible in three independent experiments. *P values < 0.05 vs. control group, #P values < 0.05 vs. SW620 group 
