Cellular latency in human immunodeficiency virus-infected individuals with high CD4 levels can be detected by the presence of promoter-proximal transcripts.

Abstract excerpt

We have investigated the molecular basis of human immunodeficiency virus type 1 (HIV-1) latency in a tissue culture model and in HIV-infected people. We show that increased levels of Tat, but not Rev, can release the proviruses from latency in U1 cells. The absence of Tat in these cells is manifested by the accumulation of promoter-proximal viral transcripts, whereas the presence of Tat correlates with increased...

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