Aberrant Methylation Inactivates Transforming Growth Factor Receptor I in Head and Neck Squamous Cell Carcinoma
Figure 2
Immunohistochemistry of protein in HNSCCs (200X). (a) Immunohistochemical detection of protein (brown signal in nonneoplastic epithelium adjacent to HNSCC). (b) Lack of protein staining in the HNSCC.
