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Elevated expression of keratin 17 in oropharyngeal squamous cell carcinoma is associated with decreased survival

  • Stony Brook University

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

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 languageEnglish
Pages (from-to)1788-1798
Number of pages11
JournalHead and Neck
Volume40
Issue number8
DOIs
StatePublished - Aug 2018

Keywords

  • biomarker
  • head and neck
  • head and neck carcinoma
  • immunopathology
  • keratin 17

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