Abstract
Background: Overexpression of keratin 17 (K17) is highly associated with poor prognosis in squamous cell carcinoma (SCC) of the cervix. This study was performed to (1) determine whether K17 may be a prognostic biomarker in head and neck squamous cell carcinoma (HNSCC) and (2) to establish if K17 expression is associated with human papillomavirus (HPV) status. Methods: Immunohistochemical staining was performed for K17 of oral, oropharyngeal, and laryngeal SCCs, and normal oropharyngeal mucosa. The HPV status was determined using polymerase chain reaction (PCR). Results: Elevated K17 expression was significantly associated with an overall decreased patient survival (P =.02) and, more specifically, in patients with oropharyngeal SCC (P =.01). When controlling for HPV status and tumor location K17 was still a significant predictor of survival (P =.01). Conclusion: Therefore, K17 is a novel prognostic biomarker of poor survival for patients with HNSCCs, controlling for anatomic site and HPV status.
| Original language | English |
|---|---|
| Pages (from-to) | 1788-1798 |
| Number of pages | 11 |
| Journal | Head and Neck |
| Volume | 40 |
| Issue number | 8 |
| DOIs | |
| State | Published - Aug 2018 |
Keywords
- biomarker
- head and neck
- head and neck carcinoma
- immunopathology
- keratin 17
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