Lack of Association between High-risk Human Papillomaviruses and Oral Squamous Cell Carcinoma in Young Japanese Patients

Rushatamukayanunt, Pradit; Morita, Kei-Ichi; Matsukawa, Sho; Harada, Hiroyuki; Shimamoto, Hiroaki; Tomioka, Hirofumi; Omura, Ken

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자료유형: 학술저널

저자정보: Rushatamukayanunt, Pradit (Oral and Maxillofacial Surgery, Department of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University) Morita, Kei-Ichi (Oral and Maxillofacial Surgery, Department of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University) Matsukawa, Sho (Oral and Maxillofacial Surgery, Department of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University) Harada, Hiroyuki (Oral and Maxillofacial Surgery, Department of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University) Shimamoto, Hiroaki (Oral and Maxillofacial Surgery, Department of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University) Tomioka, Hirofumi (Oral and Maxillofacial Surgery, Department of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University) Omura, Ken (Oral and Maxillofacial Surgery, Department of Oral Health Sciences, Graduate)

저널정보: 아시아태평양암예방학회 Asian Pacific journal of cancer prevention : APJCP Asian Pacific journal of cancer prevention : APJCP 제15권 제10호

발행연도: 2014.1

수록면: 4,135 - 4,141 (7page)

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Background: Human papillomaviruses (HPV) may play an important role as one of the possible etiologies of oral squamous cell carcinoma (OSCC). The present study aimed to investigate the association between HPV and OSCC in young Japanese patients by examining the presence of HPV DNA and surrogate markers in OSCC tissues. Materials and Methods: Forty young patients with OSCC whose surgical specimens were available were analyzed and compared with 40 patients randomly recruited from a pool of patients aged >40 years. HPV DNA was detected using the polymerase chain reaction-based AMPLICOR$^{(R)}$ HPV test, and surrogate markers of HPV infection were analyzed using immunohistochemical techniques to detect $p16^{INK4a}$ and p53. Results: Only two (5%) young patients and one (2.5%) older patient were positive for HPV DNA. $p16^{INK4a}$ overexpression was identified in six (15%) young patients. p53 staining levels were not high in tissues of most young patients (27 patients, 67.5%). HPV DNA status did not significantly correlate with $p16^{INK4a}$ expression levels. Profiles of increased levels of $p16^{INK4a}$ expression with diminished levels of p53 staining were not associated with the presence of HPV DNA. The combined p53 with $p16^{INK4a}$ profiles were significantly correlated with alcohol consumption in younger patients (p=0.006). Conclusions: Results of the present study indicate that HPV is less likely to cause OSCC in young Japanese patients, and the $p16^{INK4a}$ expression level is not an appropriate surrogate marker for HPV infection in OSCC.

#Oral squamous cell carcinoma #human papillomavirus #$p16^{INK4a}$ #p53 #young

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Rushatamukayanunt, Pradit

소속기관 Oral and Maxillofacial Surgery, Department of Oral Health Sciences, Graduate School of Medical and D