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. 2014 Nov 10;2014:249367. doi: 10.1155/2014/249367

Figure 2.

Figure 2

The effect of G. superba and C. roseus extracts on viability of IFN-γ-treated HaCaT cells. The final concentration of IFN-γ was applied to the cells at 1 ng/mL. Detection of cell viability was performed using MTT assay ((a) and (c)) and trypan blue exclusion ((b) and (d)). Cell viability values shown as mean ± SD were derived from 3 independent experiments. The final concentrations applied to the cells were 0.01, 0.1, 1, and 10 μg/mL of G. superba extract and 10, 25, 50, and 100 μg/mL of C. roseus extract.