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. 2018 Sep 27;9:2129. doi: 10.3389/fimmu.2018.02129

Figure 1.

Figure 1

IFNα up-regulates PD-L1 expression on different myeloid immune cell populations ex vivo. FACS analysis of PD-L1 expression on the surface of different myeloid immune cells from splenocytes of healthy mice. Splenocytes were isolated, treated for 24 h with 1,000 U/ml IFNα and investigated by flow cytometry. The results are presented as interleaved bars (A,B), as box and whiskers plots (C,E) or column bar graphs (D,F) and statistically analyzed using two-way ANOVA (A,B) or unpaired T-tests (C–F), n = 4, **p < 0.01, and ***p < 0.001.