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Fig. 2 | Virology Journal

Fig. 2

From: Pulmonary endothelium-derived PD-L1 induced by the H9N2 avian influenza virus inhibits the immune response of T cells

Fig. 2

PD-L1 expression in the RPMECs infected with the live H9N2 virus or with the inactivated viral particles. PD-L1 mRNA and protein levels in the RPMECs were detected at 12 and 24 h post infection with the H9N2 virus (H9N2 virus) or with the inactivated  H9N2 viral particles at an MOI of 5 (Viral particle). a PD-L1 mRNA levels post infection with the live H9N2 or with the inactivated H9N2 viral particles. b PD-L1 protein levels post infection with the live H9N2 or with the inactivated H9N2 viral particles. * Statistical analysis among the live H9N2 group, the inactivated H9N2 viral particle group and the control group at 12 h and 24h (*P < 0.05, ***P < 0.001)

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