Hiv Proviral Dna
Hiv Proviral Dna - Related Videos
10:20
Interview: HIV-1 Proviral DNA Excision Using an Evolved Recombinase
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Cited by 2 •
2008
Current HIV-1 strategies act to suppress the viral life cycle but do not effectively eradicate infection. Here, we demonstrate that an engineered recombinase can efficiently excise integrated HIV-1 proviral DNA from the genome of infected cells.
02:49
Generation of an In Vitro Cell Culture Model of Malaria-HIV Co-Infection
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2025
This video demonstrates the generation of an in vitro malaria-HIV co-infection cell culture model. HIV-infected peripheral blood mononuclear cells co-cultured with Plasmodium falciparum parasitized erythrocytes potentially support each other's growth and provide insights into the immune responses and disease progression in HIV and malaria co-infections.
10:49
In vitro Uncoating of HIV-1 Cores
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Cited by 47 •
2011
Uncoating is an essential step in the early phase of the HIV-1 life cycle and is defined as the disassembly of the capsid shell and the release of the viral ribonucleoprotein complex (vRNP). Here, we demonstrate techniques for isolating intact cores from HIV-1 virions and for quantifying their uncoating in vitro.
13:58
Amplifying and Quantifying HIV-1 RNA in HIV Infected Individuals with Viral Loads Below the Limit of Detection by Standard Clinical Assays
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Cited by 10 •
2011
Quantifying levels of HIV-1 RNA in plasma and sequencing single HIV-1 genomes from individuals with viral loads below the limit of detection (50-75 copies/ml) is difficult. Here we describe how to extract and quantify plasma viral RNA using a real time PCR assay that reliably measures HIV-1 RNA down to 0.3 copies/ml and how to amplify viral genomes by single genome sequencing, from samples with very low viral loads.
05:46
Rapid Screening of HIV Reverse Transcriptase and Integrase Inhibitors
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Cited by 15 •
2014
Here we describe cellular cytotoxicity and single round infectivity assays that allow for the rapid and accurate screening of compounds to determine their cellular cytotoxicity (CC50) and IC50 values against WT and drug resistant HIV-1.
FAQs
After integration, HIV proviral DNA can follow different functional states: it may direct production of new virus or remain transcriptionally silent. This distinction is important because silent proviral DNA can persist in infected cells without continuously producing virus. Studying these states helps explain persistent infection and supports research on strategies for long-term suppression or eradication.
Integrase performs the step that inserts viral DNA into the host cell’s genomic DNA. This placement connects the viral genome to the infected cell’s chromosomes and allows the proviral form to persist as part of the host genetic material. Consequently, integrase activity is central to establishing the persistent infection described in immunology and infection research.
The proviral state depends on a sequence of events rather than on viral RNA alone. HIV RNA is first reverse-transcribed into DNA, and that viral DNA then enters the nucleus before integration into host genomic DNA. Disrupting or examining these stages helps researchers distinguish genome conversion, nuclear access, and chromosomal insertion within the infection process.
Silent proviral DNA represents infected-cell genetic material that may remain present even when it is not actively directing viral production. Its persistence helps account for why infection can continue to affect the host despite periods without obvious ongoing production. In immunology, this provides a framework for studying persistent infection alongside the immune dysfunction associated with HIV.
Detection and quantification are used to measure HIV proviral DNA within infected cell populations. The overview identifies these measurements as tools for characterizing which cells carry the integrated viral form and for monitoring viral reservoirs during antiretroviral therapy. The resulting measurements support comparisons of proviral burden across research conditions without relying only on active viral production.
Researchers measure HIV proviral DNA during antiretroviral therapy when they need to monitor viral reservoirs and persistent infected-cell populations. Because proviral DNA can remain even when it is transcriptionally silent, its measurement adds information about infection beyond current viral production. This makes it relevant for evaluating whether treatment is associated with changes in the reservoir over time.
Proviral DNA measurements provide an outcome for studies testing strategies aimed at long-term viral suppression or eradication. Researchers can use them to characterize infected cells and assess viral reservoirs, including forms that may not currently direct viral production. These data help determine whether an intervention affects the persistent viral material that remains integrated in host chromosomes.
A measurement focused on viral production may not fully represent the infected-cell population because HIV proviral DNA can remain transcriptionally silent. Proviral DNA analysis therefore provides complementary information about integrated viral material and the reservoir. In infection research, combining these perspectives helps distinguish active production from persistence within cells that still carry the viral genome.