Figure 2.

Immunohistochemistry of cellular proteins p16INK4a and pRb. A and C, p16INK4a expression in normal tumor-adjacent mucosa (M) and in tumor (T) tissue, respectively. B and D, pRb expression in normal tumor-adjacent mucosa and in tumor tissue, respectively. S, stroma. Original magnification 10×. p16INK4a low in the normal tumor-adjacent mucosa (blue-stained nuclei (A)), high in the tumor (brown stained nuclei (C)). pRb high in normal tumor-adjacent mucosa (brown-stained nuclei (B)), low in the tumor (blue-stained nuclei (D)).

Baboci et al. Virology Journal 2013 10:334   doi:10.1186/1743-422X-10-334
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