Long-Term Intrapatient Evolution During HIV-2 Infection

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Long-Term Intrapatient Evolution During HIV-2 Infection

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Title: Long-Term Intrapatient Evolution During HIV-2 Infection
Author: MacNeil, Adam; Sankalé, Jean-Louis; Sarr, Abdoulaye Dieng; Mboup, Souleymane; Meloni, Seema Thakore; Kanki, Phyllis Jean

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Citation: MacNeil, Adam, Jean-Louis Sankalé, Seema Thakore Meloni, Abdoulaye Dieng Sarr, Souleymane Mboup, and Phyllis Kanki. 2006. Long-term intrapatient evolution during HIV-2 infection. Retrovirology 3(Suppl 1):P38.
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Abstract: HIV-2 disease progression and transmission is attenuated compared to HIV-1, yet prospective studies examining HIV-2 intrapatient evolution have been limited. We examined viral sequence evolution in the C2V3C3 region of the viral env gene in 8 HIV-2 infected individuals from Dakar, Senegal, over the course of approximately 10 years. To compare results to HIV-1 infection, we reanalyzed data from our previous study that examined intrapatient evolution in HIV-1 infected individuals from the same population. HIV-2 sequences from early and late timepoints were phylogenetically intermixed for all subjects, and no distinct trends were observed in terms of increases or decreases in fragment size or number of N-linked glycosylation sites. In homologous env C2V3 sequence, rates of viral divergence and diversification were slower in individuals infected with HIV-2 than individuals with HIV-1. This data indicates that viral evolution occurs slowly in HIV-2 infection, which is consistent with the slow disease progression observed in HIV-2 infection, and supports the notion that viral evolution may be a relevant correlate for disease progression.
Published Version: doi:10.1086/511308
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1716858/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:4597686
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