Journal
CANCER EPIDEMIOLOGY BIOMARKERS & PREVENTION
Volume 23, Issue 10, Pages 2101-2110Publisher
AMER ASSOC CANCER RESEARCH
DOI: 10.1158/1055-9965.EPI-14-0084
Keywords
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Funding
- Natural Science Foundation of China [30872937, 30930102]
- 973 Project of National Ministry of Science and Technology Grant [2011CB504300, 2012CB910800]
- Charity Project of National Ministry of Health [201202014, 200902002]
- Natural Science Foundation of Beijing [7100001]
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Background: Despite the established link between oral human papillomavirus (HPV) infection and a subset of oropharyngeal squamous cell carcinoma (OSCC), little is known about the epidemiology of oral HPV infection among healthy adults in China. Methods: Oral swab specimens and questionnaires were collected from 5,410 individuals (ages 25-65 years). HPV DNA in oral exfoliated cells was tested by general primer-mediated (SPF1/GP6+) PCR and sequencing. Univariate and multivariate analyses were performed to assess the associations between exposure factors and oral infection. Results: Alpha mucosal HPV types were detected in 0.67% [95% confidence interval (CI), 0.47%-0.93%] of 5,351 beta-globin-positive specimens, and cutaneous HPV in 5.46% (95% CI, 4.86%-6.10%). HPV16 and 3 were the most prevalent types of a mucosal (0.43%; 95% CI, 0.27%-0.64%) and cutaneous HPV (4.17%; 95% CI, 3.65%-4.74%), respectively. The prevalence of a mucosal HPV decreased with increasing age (25-65 years) from 0.93% to 0.36% (P-trend = 0.033), and was associated with self-reported history of oral disease [adjusted odds ratio (OR), 4.78; 95% CI, 1.07-21.41]. In 1,614 heterosexual couples, cutaneous HPV in one partner was found to increase the other partner's risk of cutaneous HPV infection (adjusted OR, 2.33; 95% CI, 1.22-4.48). Conclusions: Oral HPV infection, particularly with a mucosal types, is rare among healthy adults in China. A younger age and a history of oral disease imply higher risk of a mucosal HPV infection. Impact: This study addresses the paucity of epidemiological data on oral HPV infection among healthy population in China. (C) 2014 AACR.
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