Cited by 88HIV Research and TreatmentVirus-based gene therapy researchHIV/AIDS drug development and treatment

Strict Control of Human Immunodeficiency Virus Type 1 Replication by a Genetic Switch: Tet for Tat

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Verhoef, Koen, Marzio, Giuseppe, Hillen, Wolfgang, Bujard, Hermann, Berkhout, Ben·2001·Journal of Virology

Abstract

Live-attenuated human immunodeficiency virus type 1 (HIV-1) variants have shown great promise as AIDS vaccines, but continued replication can lead to the selection of faster-replicating variants that are pathogenic. We therefore designed HIV-1 genomes that replicate exclusively upon addition of the nontoxic effector doxycycline (dox). This was achieved by replacement of the viral TAR-Tat system for transcriptional activation by the Escherichia coli-derived Tet system for inducible gene expression. These designer "HIV-rtTA" viruses replicate in a strictly dox-dependent manner both in a T-cell line and in primary blood cells, and the rate of replication can be fine-tuned by simple variation of the dox concentration. These HIV-rtTA viruses provide a tool to perform genetics, e.g., selection and optimization experiments, with the E. coli-derived Tet reagents in a eukaryotic background. Furthermore, such viruses may represent improved vaccine candidates because their replication can be turned on and off at will.

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Crossref · 10.1128/jvi.75.2.979-987.2001

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  • In the presence of dox, rtTA binds to the tetO-LTR promoter and activates viral transcription, so HIV-rtTA replication can be controlled by the administration of dox.

    “In the presence of dox, rtTA will bind to the tetO-LTR promoter and activate viral transcription. HIV-rtTA replication can thus be controlled by the administration of dox (Fig. 3C).”

    From Tet-On Systems For Doxycycline-inducible Gene Expression (2016) · cites this paper as [42]

  • We used the Tet-On system to generate an HIV-1 variant that replicates exclusively in the presence of dox.

    “We used the Tet-On system to generate an HIV-1 variant that replicates exclusively in the presence of dox [42].”

    From Tet-On Systems For Doxycycline-inducible Gene Expression (2016) · cites this paper as [42]

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Authors
Verhoef, K., Marzio, G., Hillen, W., Bujard, H., & Berkhout, B.
Affiliations
  • Amsterdam UMC Location University of Amsterdam (NL)
  • Friedrich-Alexander-Universität Erlangen-Nürnberg (DE)
  • Heidelberg University (DE)
Venue
Journal of Virology
Published
2001-01-15
Volume
75
Issue
2
Pages
979-987
ISSN
  • 0022-538X (ISSN-L)
  • 1098-5514
OpenAlex
W2087430988
Cited by
88
References
55
Citations by year
2020: 2 · 2017: 1 · 2016: 3 · 2015: 3 · 2014: 1 · 2013: 2 · 2012: 5
FWCI
2.56
Type
journal article
Language
en
Open access
Locations
  • Journal of Virology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Pure Amsterdam UMC (publishedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
Funders
KWF Kankerbestrijding
Topics
  • Life Sciences › Immunology and Microbiology › Virology › HIV Research and Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
  • Health Sciences › Medicine › Infectious Diseases › HIV/AIDS drug development and treatment
Keywords
HIV-1, Tet-On system, doxycycline-inducible expression, replication control, primary T cells
MeSH terms
Bacterial Proteins, Cell Line, Chemoreceptor Cells, Escherichia coli, Humans, Membrane Proteins, Receptors, Cell Surface, Repressor Proteins, T-Lymphocytes, Transfection, Virus Replication, HIV-1, Transcriptional Activation, Gene Products, tat, Gene Expression Regulation, Viral, Mutagenesis, Insertional, Gene Deletion, Escherichia coli Proteins, tat Gene Products, Human Immunodeficiency Virus

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