Figure 2From: Expression and significance of HMGB1, TLR4 and NF-κB p65 in human epidermal tumors Expression of TLR4 in epidermal tumors and normal skin by IHC EnVision (magnification × 400). (a) to (e). Positive expression of TLR4 was located on the epithelial membrane (purple arrow). (f). **P <0.01 as compared TLR4 on epithelial cell membranes in SCC. The error bars represent the standard error of the mean (SEM).Back to article page