Dataset Information

HPV oral and oropharynx infection dynamics in young population.

ABSTRACT: The incidence of human papillomavirus (HPV)-associated cancers, especially those from the head and neck region, has increased. The relatively early age of presentation of HPV-positive head and neck cancer (HNC) indicates that viral infection might be acquired early in life. Persistent HPV infection has been recognized as the main risk factor for cancer development, but most studies have focused on evaluating HPV persistence in the genital region. Thus, in this work, we aimed to evaluate the prevalence of HPV in oral cavity and oropharynx in a young population, as well as the possible persistence of the infection after 12 months. Our results indicate that almost half (46.8%) of the analyzed population harbors an HPV infection either in the oral cavity or in the oropharynx. Furthermore, after 1 year of initial identification, half of them eliminated the infection, and only one person (5.26%) exhibited persistence. Interestingly, 50% of the individuals who successfully eliminated the infection acquired a new viral type, indicating that even when the primary infection is effectively eliminated by the immune system, there is a dynamic circulation of HR-HPV types that produce reinfection. This dynamic HPV infection among young individuals could influence the future establishment of cancer in some proportion of the cases.

SUBMITTER: Moran-Torres A

PROVIDER: S-EPMC8578222 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature

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HPV oral and oropharynx infection dynamics in young population.

Morán-Torres Adriana A Pazos-Salazar Nidia G NG Téllez-Lorenzo Susana S Jiménez-Lima Roberto R Lizano Marcela M Reyes-Hernández Diego O DO Marin-Aquino José de J JJ Manzo-Merino Joaquín J

Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] 20210904 4

The incidence of human papillomavirus (HPV)-associated cancers, especially those from the head and neck region, has increased. The relatively early age of presentation of HPV-positive head and neck cancer (HNC) indicates that viral infection might be acquired early in life. Persistent HPV infection has been recognized as the main risk factor for cancer development, but most studies have focused on evaluating HPV persistence in the genital region. Thus, in this work, we aimed to evaluate the prev ...[more]

PMID: 34482527

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Project description:The oral transmission of HPV and, consequently, the risk of oral cancer has increased in the last years. Oral sex has often been implicated among the risk factors for oral HPV infections, however, there is still no consensus on these topics, nor on the relationship between genital and oral HPV infections. The present study aimed to evaluate the coexistence of papilloma virus, at the levels of the oral and genital mucosa, in women with a histologically confirmed HPV lesions (and a positive HPV test) at the genital level and a negative HPV control group. We also evaluated how some risk factors, such as smoking, the number of partners, age, and sexual habits can influence the possible presence of the virus itself in the oropharynx of the same women. In total, 117 unvaccinated women aged between 18 and 52 were enrolled. We found that the prevalence of oral HPV infection was high among the women with concomitant genital HPV infection (22%) compared to the HPV-negative women (0%), and the estimated odds ratio was 17.36 (95% CI: 1.02, 297.04). In none of the women with oral HPV did we find any relevant clinical lesions. The potential risk factors for HPV infections in the oropharynx and genitals were analyzed based on questionnaire responses. A multivariate analysis showed that genital HPV infections were significantly associated with a number of sexual partners > 10 (OR 138.60, 95% CI: 6.04-3181.30, p < 0.001), but the data also referred to having between 3-5 or 6-10 partners as being significant, as were a high level of education (OR 6.24, 95% CI: 1.67-4.23.26 p = 0.003), a frequency of sexual intercourse >10 (OR 91.67 95% CI: 3.20-2623.52, p = 0.004), oral sex (OR 6.16, 95% CI: 1.22-31.19, p = 0.014), and >20 cigarettes/day (OR 6.09 95% CI: 1.21-30.61, p = 0.014). Furthermore, being "separate" and having multiple sexually transmitted diseases were also significantly associated with genital HPV infection. In contrast, oral HPV infections were significantly associated with women aged 36 to 50 years (OR 27.38, 95% CI: 4.37-171.37; p = 0.000202) and oral sex (OR 95.5, 95% CI: 5.13-1782.75, p = 0.001126).Additionally, being separate, being cohabitant, lifetime sexual partners of >10, 3-5 lifetime sexual partners, <20 years of age, >10 sexual intercourse per month, occasional and regular anal sex, >20 cigarettes per day, a history of sexually transmitted disease (herpes and multiple), and having a history of genital warts were significant. Screening and early diagnosis are considered to be practically unfeasible for this category of cancer, given the lack of visible lesions; the 9-valent HPV vaccine remains the only means that could help to successfully counter the growing incidence of oral squamous cell carcinoma.

Dataset Information

HPV oral and oropharynx infection dynamics in young population.

Publications

HPV oral and oropharynx infection dynamics in young population.

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