Journal
ONCOLOGY LETTERS
Volume 22, Issue 1, Pages -Publisher
SPANDIDOS PUBL LTD
DOI: 10.3892/ol.2021.12789
Keywords
head and neck squamous cell carcinoma; human papillomavirus; infection; oral squamous cell carcinoma; p16
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Funding
- Japan Society for the Promotion of Science [16H05543]
- Grants-in-Aid for Scientific Research [16H05543] Funding Source: KAKEN
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The study results suggest that HPV-16 infection is less likely to cause oral squamous cell carcinoma in Japan, and p16 expression is not a suitable marker for HPV infection in oral squamous cell carcinoma.
Human papillomavirus (HPV) is a possible carcinogenetic factor in oral squamous cell carcinoma (OSCC). Previous studies have reported the prevalence of HPV in patients with OSCC. However, the association between HPV and OSCC remains controversial. The present study aimed to clarify the association between HPV infection, p16 protein expression and the clinicopathological characteristics of OSCC. The expression level of HPV-16E6 mRNA and p16 protein, a known surrogate marker of HPV infection, was investigated in 100 OSCC cases using TaqMan reverse transcription-quantitative PCR and immunohistochemistry staining, respectively. HPV-16E6 mRNA expression level was only detected in one case (1%), and positive expression of p16 was found in 10 cases (10%), including an HPV-positive case. Subsequently, the association between p16 expression level and clinicopathological characteristic factors were analyzed; however, no significant association was found. These results suggested that HPV-16 infection was less likely to cause OSCC in Japan and p16 expression was not a suitable marker for HPV infection in OSCC.
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