<p>Representative photomicrographs for IL-6 (1:400) immunohistochemical staining of fetal skin. (A) control; (B) LPS at 16 h; (C) LPS and IL-1ra at 16 h exposure. (D) The number of positive cells (arrow), that were counted between groups. (magnification bar represents 20 μm). <b>*</b>indicates a significant increase in the number of positive cells relative to the untreated control. ɸ indicates a significant decrease in number of positive cells relative to LPS.</p
