Fig. 5From: Effects of Helichrysum bracteatum flower extracts on UVB irradiation-induced inflammatory biomarker expressionEffects of H. bracteatum flower extracts (HBFE) on inflammatory gene expression. a IL-6 mRNA expression. b TNF-α mRNA expression. c COX-2 mRNA expression. Positive control (PC): 10 μM hydrocortisone. The results are expressed as the mean ± SD of three independent experiments (compared to control: *P < 0.05, **P < 0.001)Back to article page