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. 2014 May 29;155(1):320–325. doi: 10.1016/j.jep.2014.05.035

Fig. 1.

Fig. 1

(A) The cytotoxic effect of PSE on DF-1 cells. The cells were treated with various concentration of PSE and the cell viability was determined by MTT assays. (B) The anti-viral effect of PSE. DF-1 cells were infected with H6N1 virus in the absence or presence of PSE. The morphological investigation showed that PSE reduced the CPE caused by H6N1 virus on DF-1 cells. (C) PSE increased the viability of DF-1 cells infected with H6N1 virus. DF-1 cells were infected with H6N1 virus with various concentrations of PSE and the cell viability was determined by MTT assays. Each value in (A) and (C) is the result of mean±S.D. of three independent experiments.