Brodin, Johanna and Zanini, Fabio and Thebo, Lina and Lanz, Christa and Bratt, Göran and Neher, Richard A. and Albert, Jan. (2016) Establishment and stability of the latent HIV-1 DNA reservoir. eLife, 5. p. 15.
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Official URL: http://edoc.unibas.ch/53977/
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Abstract
HIV-1 infection cannot be cured because the virus persists as integrated proviral DNA in long-lived cells despite years of suppressive antiretroviral therapy (ART). In a previous paper (Zanini et al, 2015) we documented HIV-1 evolution in 10 untreated patients. Here we characterize establishment, turnover, and evolution of viral DNA reservoirs in the same patients after 3-18 years of suppressive ART. A median of 14% (range 0-42%) of the DNA sequences were defective due to G-to-A hypermutation. Remaining DNA sequences showed no evidence of evolution over years of suppressive ART. Most sequences from the DNA reservoirs were very similar to viruses actively replicating in plasma (RNA sequences) shortly before start of ART. The results do not support persistent HIV-1 replication as a mechanism to maintain the HIV-1 reservoir during suppressive therapy. Rather, the data indicate that DNA variants are turning over as long as patients are untreated and that suppressive ART halts this turnover.
Faculties and Departments: | 05 Faculty of Science > Departement Biozentrum > Computational & Systems Biology > Computational Modeling of Biological Processes (Neher) |
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UniBasel Contributors: | Neher, Richard |
Item Type: | Article, refereed |
Article Subtype: | Research Article |
ISSN: | 2050-084X |
Note: | Publication type according to Uni Basel Research Database: Journal article |
Identification Number: |
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Last Modified: | 03 Oct 2017 07:29 |
Deposited On: | 03 Oct 2017 07:29 |
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