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. 2019 Mar;7(5):97. doi: 10.21037/atm.2019.01.44

Figure 2.

Figure 2

Expressions and correlation of HIF-1α and PD-L1 between groups evaluated with Western blotting. Western blotting results showed that both the protein levels of HIF-1α and PD-L1 were higher in the IH group than the CTL group (A,B). A significant correlation between HIF-1α and PD-L1 was observed in the IH group (D), while the same correlation failed to be found in the CTL group (C). **, P<0.01 when compared with the CTL group; ***, P<0.001 when compared with the CTL group. Note: the HIF-1α and PD-L1 values represented in the figure are controlled by GAPDH. CTL, control; IH, intermittent hypoxia.