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Effect of BV on IL-8. (a) and TNF-α. (b) mRNA expression in keratinocytes after 72 h culture. The relative intensity of IL-8 and TNF-α mRNA was normalized to the intensity of GAPDH mRNA. Treatment with BV did not induce significant levels of IL-8. (a) and TNF-α. (b) mRNA compared with negative control (cells only). Values are expressed as mean ± SE relative to the negative control (cells only). *P < 0.05 compared with the negative control
