Abstract:Background: Esophageal squamous cell carcinoma (ESCC) is a highly lethal cancer. Human papillomavirus (HPV) is currently considered as a potential risk factor for ESCC, but this assumption is still contradictory. P16INK4a (p16) staining can be used as an alternative marker of HPV oncogene activity. This study was to investigate the role of HPV in esophageal cancer and to compare the relationship between HPV status and PIK3CA, PIK3CB. Methods: Immunohistochemistry, Western blot, and RT-PCR analyses were perfor… Show more
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