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Effect of conditioned media from UVB-irradiated keratinocytes treated with or without astaxanthin on MMP-1 production in cultured fibroblasts. Each value represents mean value ± SD, *p<0.01 by ANOVA/Dunnett’s test. ANOVA, analysis of variance; AX, astaxanthin; MMP, matrix metalloproteinase; UV, ultraviolet.
