Figure 2.

Lysozyme reduced viral entry into HCECs in a dose-dependent manner. (A) Measurement of cytotoxicity by the CCK8 assay in HCECs treated with various doses of lysozyme for 24 hours. (B) Western blot analysis of the efficiency of ACE2 overexpression. (C) Measurement of cell entry by luciferase assay in HCECs treated with ACE2 overexpressing lentivirus and different dose lysozyme (5 mg/mL and 10 mg/mL). Values are mean ± SD from at least three independent experiments. *P < 0.5; **P < 0.1; ***P < 0.001 versus control group using one-way ANOVA.