Publication: HIV-1 persistence in CD4+ T cells with stem cell-like properties
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2014
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Buzon, M. J., H. Sun, C. Li, A. Shaw, K. Seiss, Z. Ouyang, E. Martin-Gayo, et al. 2014. “HIV-1 persistence in CD4+ T cells with stem cell-like properties.” Nature medicine 20 (2): 139-142. doi:10.1038/nm.3445. http://dx.doi.org/10.1038/nm.3445.
Abstract
Cellular HIV-1 reservoirs that persist despite antiretroviral treatment are incompletely defined. We show that during suppressive antiretroviral therapy, CD4+ T memory stem cells (TSCM) harbor high per-cell levels of HIV-1 DNA, and make increasing contributions to the total viral CD4+ T cell reservoir over time. Moreover, phylogenetic studies suggested long-term persistence of viral quasispecies in CD4+ TSCM cells. Thus, HIV-1 may exploit stem cell characteristics of cellular immune memory to promote long-term viral persistence.
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