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. 2022 May 9;102:154154. doi: 10.1016/j.phymed.2022.154154

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Fig 4 — Inhibition of pseudovirus entry into HEK293T cells overexpressing hACE2. (A) The amount of intracellular luciferase activity (indicating the rate of virus entry) was measured at different dilutions of the pseudovirus. (B) Pseudovirus entry was inhibited by PMR_water or PMR_EtOH in a dose-dependent manner. The inhibition percentage was determined according 20 to the luciferase activity normalized to the luciferase activity without extract. A SARS-CoV-2 neutralizing antibody was used as a positive control. The data represent mean ± SD, (n = 3).