Research Article

UVB-Induced Secretion of IL-1β Promotes Melanogenesis by Upregulating TYR/TRP-1 Expression In Vitro

Figure 6

Effect of IL-1β knockdown on the expression of SCF and COX-2 in HaCaT cells. (a, b) The effects of siRNA489 on expression levels of IL-1β mRNA and protein, respectively. (c, d) The inhibitory effect of siRNA489 on UVB-induced increases in SCF and COX-2 expression in HaCaT cells. for all groups. and .
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