Research Article

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

Figure 2

Expression of IL-1β and IL-6 mRNA in HaCaT cells at different time points after UVB irradiation with UVB 20 mJ/cm2. Expression levels of IL-1β and IL-6 mRNA were detected by the RT-qPCR method at 30 minutes, 1 hour, 2 hours, and 24 hours, respectively. (a) Expression levels of IL-1β. (b) Expression levels of IL-6. for all groups. and .
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