Human papilloma virus 16 E6 oncoprotein associated with p53 inactivation in colorectal cancer

Figure 3 Immunohistochemical analysis of human papilloma virus 16 E6 protein in colorectal tumors and adjacent normal tissues. A: A negative result of immunostaining in tumor cells (100 ×); B: Human papilloma virus 16 (HPV16) E6 protein expressed in endothelial cells (400 ×); C: HPV16 E6 protein expressed in endothelial cells and lymphocytes (100 ×); D: HPV16 E6 protein expressed in lymphocytes and dysplastic gland (400 ×); E: HPV16 E6 protein expressed in endothelial cells and tumor cells (400 ×); F: HPV16 E6 protein expressed in normal gland (400 ×); G: HPV16 E6 protein in endothelial cells and Fibroblast (400 ×); H: HPV16 E6 protein in endothelial cells, lymphocytes and tumor cells (400 ×). E: Endothelial cells; T: Tumor cells; L: Lymphocytes; DG: Dysplastic gland.