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IFN-γ decreases the proliferative rate of HEMs. HEMs were treated with 100, 200 or 400 ng/ml IFN-γ for 24, 48 and 72 h and the proliferative rate was analyzed using a Cell Counting Kit-8 assay. Data are presented as the mean ± SD from three independent HEM cultures. *P<0.05 vs. control at 48 h; #P<0.05 vs. control at 72 h. HEMs, human epidermal melanocytes; IFN, interferon.
