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. 2018 Jan 11;46(3):1033–1042. doi: 10.1177/0300060517736913

Figure 1.

Figure 1.

Densitometric analysis of human papillomavirus (HPV) E6/E7 oncoproteins was performed on Western blots to quantify the E6/E7 oncoprotein-positivity in cervical cytological specimens using a positive threshold value of 20% (ratio of E6 or E7 to glyceraldehyde 3-phosphate dehydrogenase [GAPDH]). (A) Percentage value of E6/GAPDH; (B) percentage value of E7/GAPDH; (C) Western blot analysis of E6/E7 oncoproteins in representative samples with definition of protein expression (+ or –). 1–13: samples of HPV-infected patients, 14: negative control sample from a healthy volunteer.