alexa Relationship between insulin-like growth factor-1 receptor and human papillomavirus in patients with oropharyngeal cancer.


Immunochemistry & Immunopathology

Author(s): Matsumoto F, Fujimaki M, Ohba S, Kojima M, Yokoyama J,

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Abstract BACKGROUND: Human papillomavirus (HPV)-positive oropharyngeal squamous cell carcinoma (SCC) is associated with better prognosis than HPV-negative oropharyngeal SCC. The purpose of this study was to assess the expression of insulin-like growth factor-1 receptor (IGF-1R) in patients with oropharyngeal SCC, its relationship to HPV status and various clinical parameters, and its relationship with clinical outcome. METHODS: The study subjects were 59 patients with oropharyngeal SCC. IGF-1R expression was examined by immunohistochemistry in paraffin-embedded tumor tissues. HPV status was evaluated by in situ hybridization (ISH) in the same tissues. RESULTS: IGF-1R did not correlate with clinical parameters, but IGF-1R expression was more common in HPV-negative tumors than in HPV-positive tumors. The prognosis was poorer in patients of the IGF-1R-positive group than in the IGF-1R-negative group. CONCLUSION: The results suggested that IGF-1R expression in oropharyngeal SCC correlated with poor prognosis in HPV-negative patients. Treatment targeting IGF-1R could potentially improve the survival of patients with HPV-negative oropharyngeal SCC. © 2014 Wiley Periodicals, Inc. This article was published in Head Neck and referenced in Immunochemistry & Immunopathology

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