Prognostic significance of E-cadherin and β-catenin expression in HPV-negative oropharyngeal squamous cell carcinomas.

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Prognostic significance of E-cadherin and β-catenin expression in HPV-negative oropharyngeal squamous cell carcinomas.

Head Neck. 2017 Aug 17;:

Authors: García-Pedrero JM, García-Cabo P, Ángeles Villaronga M, Hermida-Prado F, Granda-Díaz R, Allonca E, Rodrigo JP

Abstract
BACKGROUND: The purpose of this work was to investigate the prognostic significance of E-cadherin and β-catenin expression in surgically treated human papillomavirus (HPV)-negative patients with oropharyngeal squamous cell carcinoma (SCC).
METHODS: Consecutive patients with oropharyngeal SCC who underwent surgical treatment between 1990 and 2009 were retrospectively collected. Immunohistochemical analysis of E-cadherin and β-catenin expression was performed on tissue microarrays.
RESULTS: E-cadherin and β-catenin expression was evaluable in 232 cases. Low membranous E-cadherin, low membranous β-catenin expression, and nuclear β-catenin expression were associated with a poorer disease-specific and overall survival, although the differences were only significant for β-catenin membranous expression (P = .024 and P = .016, respectively). In multivariate analysis, nodal metastasis and low membranous β-catenin expression were significant independent predictors of reduced disease-specific and overall survival.
CONCLUSION: Low membranous β-catenin expression is a significant independent predictor of both reduced disease-specific and overall survival in patients with HPV-negative oropharyngeal SCC.

PMID: 28815780 [PubMed - as supplied by publisher]

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