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Changes in NF-κB/Snail expression level detected in tumor tissues. (a) qPCR used to detect NF-κB expression in tumor tissues. (b) qPCR used to detect Snail expression in tumor tissues. (c) Immunohistochemical detection of NF-κB expression in tumor tissues. (d) Immunohistochemistry used to detect Snail expression in tumor tissues. ∗P < 0.05. ∗∗P < 0.01. Magnification: 200x.
