Human Papillomavirus Oral Infection: Review of Methodological Aspects and Epidemiology.

Pathogens

Laboratory of Virology, National Institute for Infectious Diseases, INMI Lazzaro Spallanzani IRCCS, Via Portuense 292, 00149 Rome, Italy.

Published: October 2021

Oral infection by Human Papillomavirus (HPV) has recently gained great attention because of its involvement in the development of a subset of head and neck squamous cell carcinoma. The role of specific Alpha-HPVs in this regard has been well established, whereas the contribution of other genera is under investigation. Despite their traditional classification as "cutaneous" types, Beta and Gamma HPVs are frequently detected in oral samples. Due to the lack of a standardized protocol, a large variety of methodologies have been used for oral sample collection, DNA extraction, HPV detection and genotyping. Laboratory procedures influence the evaluation of oral HPV prevalence, which largely varies also according to the population characteristics, e.g., age, gender, sexual behavior, Human Immunodeficiency Virus (HIV) status. Nevertheless, oral infection by Beta and Gamma HPVs seems to be even more common than Alpha-HPVs. The latter is 5-7% in the general population, and increases up to 30% approximately in HIV-infected men who have sex with men. Despite major advances in the evaluation of oral HPV prevalence, its natural history is still little understood, especially for Beta and Gamma HPVs. The latest technologies, such as Next Generation Sequencing (NGS), can be exploited to gain new insights into oral HPV, and to improve the identification of novel HPV types.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8625118PMC
http://dx.doi.org/10.3390/pathogens10111411DOI Listing

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