HIV 2-long terminal repeat circular DNA is stable in primary CD4+T Cells.
HIV 2-long terminal repeat circular DNA is stable in primary CD4+T Cells.
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DOI：
10.1016/j.virol.2013.02.028
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发表时间：
2013-06-20
期刊：
影响因子：
3.7
通讯作者：
O'Doherty U
中科院分区：
文献类型：
--
作者：
Pace MJ;Graf EH;O'Doherty U
Treatment resistant latent reservoirs remain a barrier to curing HIV, but the maintenance and properties of these reservoirs are not completely understood. 2-LTR circular HIV DNA has been used to assess ongoing viral replication in HAART treated patients. However, the half-life of this DNA form is still debated with conflicting in vivo and in vitro data. Prior in vitro studies have focused on cell lines or short lived activated cells in cultures of brief duration, while in vivo studies have the added complications of cell migration, division, and death. Therefore, we monitored the stability of 2-LTR circles in primary CD4+T cells in a month long culture and compared it to the stability of integrated HIV DNA and T cell receptor excision circles (TRECs), another circular DNA form that is thought to be stable. We found that 2-LTRs, along with TRECs, were stable, suggesting 2-LTRs do not necessarily indicate ongoing replication.
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