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. 2020 Jul 3;13:6443–6452. doi: 10.2147/OTT.S192250

Figure 4.

Figure 4

S100A9 induces prostate cancer cell metastasis in vivo. DU-145 cells were transfected with pcDNA3.1 or pc DNA-S100A9 plasmid. (A, B) The expression or secretion of S100A9 was determined by Western blot and ELISA. The cells were injected to nude mice via tail vein. 30 days after inoculation, nude mice were sacrificed. (C) Expressions of S100A9 and integrin β1 in xenograft tumors were detected by immunohistochemistry. (D) Expressions of FAK, p-FAK, NF-kB p65 and p-NF-kB p65 in xenograft tumors were determined by Western blot. (E) Micrometastatic tumors in the lungs of mouse xenografts were counted and subjected to H and E staining. Scale bar 50 μ. Magnifcation×200. Data are represented as the mean ± S.E.M.*p<0.05.