Figure 3.

Immunoreactivity of TLR2, TLR3 and TLR4 in subepithelial cells. Bright field micrographs exemplifying TLR-positive cells in the subepithelial tissue. Granulocyte containing TLR2-like immunoreactivity (A), TLR3-positive mast cell (B), TLR4 immunoreactivity in lymphocyte-like cells (C) as well as in a large mononuclear cell (D). Scale bars: A, B and D = 10 μm, C = 8 μm.