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Effects of peptides at various concentrations on plaque formation. (A) CEF cells were exposed to active peptides at concentrations of 6, 12, 24, and 48 nM. Both CAU and AU displayed efficient fusion inhibition activity on the same orders of magnitude at the concentrations tested. (B) CEF cells were exposed to CAU at a concentration of 12 nM in four different modes. The results shown are representative of three independent experiments. P < 0.01 (t test).
