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. 2019 Mar 7;41(5):2833–2843. doi: 10.3892/or.2019.7053

Figure 2.

Figure 2.

Lentivirus transduction particles were transfected into Cal-27 and FaDu cells. (A) Representative green fluorescent images of transfected cells. (B) Relative expression of PD-L1 mRNA was detected by quantitative polymerase chain reaction. Data were expressed as the mean ± standard deviation. (C) Western blot analysis of PD-L1 protein expression in PD-L1over, PD-L1RNAi, PD-L1over NC and PD-L1RNAi NC expression. *P<0.05 and **P<0.01. PD-L1, programmed death-ligand 1; PD-L1over, PD-L1-overexpressing; PD-L1RNAi, PD-L1 knockdown; NC, negative control.