Correlation Of Transcriptionally Active Human Papillomavirus Status With The Clinical And Molecular Profiles Of Head And Neck Squamous Cell Carcinomas

HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK(2021)

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摘要
Background To examine the molecular profiles of human papillomavirus (HPV)-positive and HPV-negative head and neck squamous cell carcinomas (HNSCCs), expression of epidermal growth factor receptor (EGFR), phospho-EGFR dimers, hypoxia markers, and cancer stem cell markers were evaluated.Methods HPV-status was confirmed using RNA-ISH. Immunohistochemical data of biomarker expression levels were analyzed using the Mann-Whitney U test. The clinical outcomes and biomarker expression in the HPV-positive (n = 25), matched HPV-negative (n = 49), and p16-positive/HPV-negative (n = 20) subgroups were comparatively analyzed.Results HPV was detected in 25 (5.8%) cases and was significantly associated with favorable outcomes. HPV-positive tumors exhibited lower membrane expression of EGFR, pEGFRY1068, pEGFRY1173, CD44, CD44v6, and CD98hc than HPV-negative and p16-positive tumors. The expression of HIF1 alpha, CA9, ALDH1A1, and SOX2 was not significantly associated with HPV-status. The clinical outcomes and biomarker expression levels were similar between the HPV-negative and p16-positive HNSCC.Conclusion HPV-positive HNSCC exhibited distinct molecular profile compared to HPV-negative and p16-positive HNSCC. The clinical and molecular profiles were similar between p16-positive and HPV-negative subgroups.
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关键词
cancer stem cell markers, EGFR, HNSCC, human papillomavirus, hypoxia markers
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