Fig. 4From: TLR2 deficiency promotes IgE and inhibits IgG1 class-switching following ovalbumin sensitizationImmunohistochemistry staining of p-STAT3 showed lower numbers of positive epithelial cells in the lungs of OVA-sensitized TLR2−/− mice compared with those of OVA-sensitized wild-type mice. Magnification: 200-fold. *: p < 0.05, n = 6 mice per groupBack to article page