Figure 6From: Repression of tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) but not its receptors during oral cancer progressionDR4 and DR5 immunohistochemical staining of the lesion shown in figure 5 (× 100). Immunoreactivity for either DR4 (top) or DR5 (bottom) is not altered in dysplasia compared to adjacent uninvolved mucosa.Back to article page