Merkel cell polyomavirus IgG antibody levels are associated with progression to AIDS among HIV-infected individuals

Merkel cell polyomavirus IgG antibody levels are associated with progression to AIDS among... The association of Merkel cell polyomavirus (MCPyV) with Merkel cell carcinoma (MCC) in immunocompromised individuals has been revealed in a number of surveys. The study of MCPyV specific antibody titers and viral loads in such patients has a great attraction for research groups interested in viral reactivation. In this cross-sectional study to evaluate MCPyV antibody titer, DNA prevalence and viral load in peripheral blood mononuclear cells (PBMCs), we examined 205 HIV-1 infected patients and 100 un-infected controls. The HIV-1 infected patients divided into two groups (HIV/AIDS and non-AIDS) according to their CD4 status. Total IgG antibody titer against MCPyV was analyzed by virus like particle (VLP)-based enzyme linked immunosorbent assay (ELISA). Presence of MCPyV-DNA in subject’s PBMCs was examined by quantitative real-time PCR assay. Levels of anti-MCPyV IgG in HIV/AIDS patients were significantly higher than those in non-AIDS HIV-infected and control subjects (p value = <0.001). The prevalence rate of MCPyV-DNA in PBMCs of HIV/AIDS, non-AIDS HIV-infected and un-infected controls were 17%, 16%, and 14% respectively. The MCPyV viral load among the groups ranged between 0.15 to 2.9 copies/103cells (median, 1.9 copies/103cells), with no significant difference between the studied populations (p value = 0.3). Archives of Virology Springer Journals

Merkel cell polyomavirus IgG antibody levels are associated with progression to AIDS among HIV-infected individuals

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Springer Vienna
Copyright © 2016 by Springer-Verlag Wien
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
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