alexa Impacts of HIV infection and long-term use of antiretroviral therapy on the prevalence of oral human papilloma virus type 16.
Infectious Diseases

Infectious Diseases

Journal of AIDS & Clinical Research

Author(s): Amornthatree K, Sriplung H, Mitarnun W, Nittayananta W, Amornthatree K, Sriplung H, Mitarnun W, Nittayananta W

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Abstract BACKGROUND: The objectives of this study were to determine (i) the prevalence and the copy numbers of oral human papilloma virus type 16 (HPV-16) in HIV-infected patients compared with non-HIV controls, and (ii) the effects of antiretroviral therapy (ART) and its duration on the virus. METHODS: A cross-sectional study was carried out in HIV-infected patients with and without ART and in non-HIV controls. Saliva samples were collected, and the DNA extracted from those samples was used as a template to detect HPV-16 E6 and E7 by quantitative polymerase chain reaction. Student's t-test and ANOVA test were performed to determine the prevalence rates among groups. RESULTS: Forty-nine HIV-infected patients: 37 on ART (age range, 23-54 years; mean, 37 years), 12 not on ART (age range, 20-40 years; mean, 31 years), and 20 non-HIV controls (age range, 19-53 years; mean, 31 years) were enrolled. The prevalence of oral HPV-16 infection and the copy numbers of the virus were significantly higher in HIV-infected patients than in non-HIV controls when using E6 assay (geometric mean = 10696 vs. 563 copies/10(5) cells, P < 0.001), but not E7 assay. No significant difference was observed between those who were and were not on ART. Long-term use of ART did not significantly change the prevalence of oral HPV-16 infection and the copy numbers of the virus (P = 0.567). CONCLUSION: We conclude that the prevalence of oral HPV-16 infection and the copy numbers of the virus are increased by HIV infection. Neither the use of ART nor its duration significantly affected the virus. © 2011 John Wiley & Sons A/S.
This article was published in J Oral Pathol Med and referenced in Journal of AIDS & Clinical Research

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