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Nature medicine:HIV长期潜伏的藏身地

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发表于 2015-1-31 19:47:01 | 显示全部楼层 |阅读模式
转自旧论坛:http://biosky.haotui.com/viewthr ... 6amp%3Btypeid%3D142
楼主:marine0425030

近日,科学家们发现TSCM细胞(T memory stem cell)可能是HIV病毒长期潜伏的藏身地,这些细胞有望成为未来HIV治疗的潜在靶点。

HIV-1 persistence in CD4+ T cells with stem cell–like properties


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 cells) harbor high per-cell levels of HIV-1 DNA and make increasing contributions to the total viral CD4+ T cell reservoir over time. Moreover, we conducted phylogenetic studies that suggested long-term persistence of viral quasispecies in CD4+ TSCM cells. Thus, HIV-1 may exploit the stem cell characteristics of cellular immune memory to promote long-term viral persistence





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