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Cellular latency in human immunodeficiency virus-infected individuals with high CD4 levels can be detected by the presence of promoter-proximal transcripts.
Open accessAbstract
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 expression of viral proteins and an increase in promoter-distal transcripts. The presence of promoter-proximal transcripts also serves as a marker for latency in humans. We observed the exclusive presence of promoter-proximal viral transcripts in peripheral mononuclear cells from the majority (10/11) of asymptomatic HIV-infected individuals examined. Activation of these cells in vitro, and viremia in vivo, correlated with a switch from promoter-proximal transcription to promoter-distal transcription. These results suggest that the control between latency and replication of HIV in vivo is at the level of transcription elongation.
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Feinberg, M. B., Baltimore, D., & Frankel, A. D. (1991) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.88.9.4045 · Cited by 365
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Chun, T.-W., Finzi, D., Margolick, J., Chadwick, K., Schwartz, D., & Siliciano, R. F. (1995) · Nature Medicine · doi:10.1038/nm1295-1284 · Cited by 787
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Metadata
- Authors
- Adams, M., Sharmeen, L., Kimpton, J., Romeo, J. M., Garcia, J. V., Peterlin, B. M., Groudine, M., & Emerman, M.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 1994-04-26
- Volume
- 91
- Issue
- 9
- Pages
- 3862-3866
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2018359511
- Cited by
- 182
- References
- 1
- FWCI
- 3.76
- Type
- journal article
- Language
- en
- Open access
- green
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- CoChat. (2026). Citation check: Cellular latency in human immunodeficiency virus-infected individuals with high CD4 levels can be detected by the presence of promoter-proximal transcripts. https://app.cochat.ai/papers/10.1073/pnas.91.9.3862
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- Adams, M., Sharmeen, L., Kimpton, J., Romeo, J. M., Garcia, J. V., Peterlin, B. M., Groudine, M., & Emerman, M. (1994). Cellular latency in human immunodeficiency virus-infected individuals with high CD4 levels can be detected by the presence of promoter-proximal transcripts. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.91.9.3862
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