Figure 1From: Toll-like receptor 4 single-nucleotide polymorphisms Asp299Gly and Thr399Ile in head and neck squamous cell carcinomasTLR4 immunohistochemistry in head and neck squamous cell carcinomas. (A) Strong (score 3+); (B) moderate (score 2+); (C) weak staining (score 1+); (D) negative control (no immunoreactivity); (E) positive control (strong staining in endothelial inflammatory cells expressing TLR4).Back to article page