Partial inactivation of CCR5- and CXCR4- tropic HIV-1 by human urine

Partial inactivation of CCR5- and CXCR4- tropic HIV-1 by human urine Human urine has been poorly investigated with regard to infection with human immunodeficiency virus (HIV). Here, we have studied the anti-infective functional properties of human urine against HIV. The effect of fresh urine pools on CCR5- and CXCR4-tropic HIV-1 was evaluated by using four in vitro mucosal models: reduction of infectivity of urine-treated HIV-1 particles, HIV-1 attachment to immature monocyte-derived dendritic cells (iMDDC), transfer of HIV-1 particles from iMDDC to autologous CD4 T cells, and HIV-1 transcytosis through epithelial cells. Human urine partially disrupted both CCR5- and CXCR4-tropic HIV-1 particles, moderately decreased the adsorption of HIV-1 on dendritic cells, and partially decreased the transfer of HIV-1 particles from dendritic cells to autologous T cells. These findings demonstrate partial inactivation of HIV infectivity and suggest that voiding urine after coitus could play a potential role in reducing the risk of HIV infection by both mechanically flushing out and neutralizing the infectivity of HIV-1 particles present in the genital tract. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Partial inactivation of CCR5- and CXCR4- tropic HIV-1 by human urine

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Publisher
Springer Vienna
Copyright
Copyright © 2011 by Springer-Verlag
Subject
Biomedicine; Virology; Infectious Diseases; Medical Microbiology
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-011-1114-9
Publisher site
See Article on Publisher Site

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