Expression of NANOG and Its Regulation in Oral Squamous Cell Carcinoma

Figure 2

(a) Squamous cell carcinoma (right) and adjacent mucosa with severe dysplasia (left) and a small area of mild dysplasia (). HE, orig. magnification 2x. (b) Invasive squamous carcinoma. HE, orig. magnification 20x. (c) Adjacent mucosa with severe dysplasia and a small area of mild dysplasia (). HE, orig. magnification 10x. (d) Expression of NANOG in carcinoma and in dysplastic epithelium in adjacent mucosa (). Immunohistochemistry, orig. magnification 2x. (e) Expression of NANOG in carcinoma, with cytoplasmic staining. Immunohistochemistry, orig. magnification, 20x. (f) Strong staining for NANOG in areas of severe dysplasia and weak staining in areas of mild dysplasia (). Immunohistochemistry, orig. magnification 10x.

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