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. 2019 Sep 26;44(5):1697–1706. doi: 10.3892/ijmm.2019.4354

Figure 2.

Figure 2

Protein expression of IL-21, IL-21R and PD-L1 in lung tissues of patients with NSCLC. The protein expression levels of (A) IL-21, (B) IL-21R and (C) PD-L1 were measured using western blot analysis. (D) IL-21, IL-21R and PD-L1 protein expression levels were also evaluated by immunohistochemistry (magnification, ×200). (E) Quantitative analysis of immunohistochemistry staining results. **P<0.01, ***P<0.001 vs. normal. IL, interleukin; R, receptor; PD-L1, programmed death 1 ligand 1; NSCLC, non-small-cell lung cancer.