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https://observatorio.fm.usp.br/handle/OPI/21858
Title: | Seroconversion following anal and genital HPV infection in men: The HIM study |
Authors: | GIULIANO, Anna R.; VISCIDI, Raphael; TORRES, B. Nelson; INGLES, Donna J.; SUDENGA, Staci L.; VILLA, Luisa L.; BAGGIO, Maria Luiza; ABRAHAMSEN, Martha; QUITERIO, Manuel; SALMERON, Jorge; LAZCANO-PONCE, Eduardo |
Citation: | PAPILLOMAVIRUS RESEARCH, v.1, p.109-115, 2015 |
Abstract: | Background: Protection from naturally acquired human papillomavirus (HPV) antibodies may influence HPV infection across the lifespan. This study describes seroconversion rates following genital, anal, and oral HPV 6/11/16/18 infections in men and examines differences by HPV type and anatomic site. Methods: Men with HPV 6/11/16/18 infections who were seronegative for those genotypes at the time of DNA detection were selected from the HPV Infection in Men (HIM) Study. Sera specimens collected <= 36 months after detection were analyzed for HPV 6/11/16/18 antibodies using a virus-like particle-based ELISA. Time to seroconversion was separately assessed for each anatomic site, stratified by HPV type. Results: Seroconversion to >= 1 HPV type (6/11/16/18) in this sub-cohort (N=384) varied by anatomic site, with 6.3%, 18.9%, and 0.0% seroconverting following anal, genital, and oral HPV infection, respectively. Regardless of anatomic site, seroconversion was highest for HPV 6 (19.3%). Overall, seroconversion was highest following anal HPV 6 infection (69.2%). HPV persistence was the only factor found to influence seroconversion. Conclusions: Low seroconversion rates following HPV infection leave men susceptible to recurrent infections that can progress to HPV-related cancers. This emphasizes the need for HPV vaccination in men to ensure immune protection against new HPV infections and subsequent disease. (C) 2015 The Authors. |
Appears in Collections: | Artigos e Materiais de Revistas Científicas - FM/MDR Artigos e Materiais de Revistas Científicas - HC/ICESP Artigos e Materiais de Revistas Científicas - LIM/24 Artigos e Materiais de Revistas Científicas - ODS/03 |
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