ArticleJournal of virological methods2016
Development and validation of a cell-based assay system to assess human immunodeficiency virus type 1 integrase multimerization.
Article in Journal of virological methods, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed, 2 citations in OpenAlex.
- A Conformational Escape Reaction of HIV-1 against an Allosteric Integrase Inhibitor.Journal of virology · 2020Article
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Authors and funding
7 authors at 3 institutions in 3 countries.
Funding
Abstract
Multimerization of HIV-1 integrase (IN) subunits is required for the concerted integration of HIV-1 proviral DNA into the host genome. Thus, the disruption of IN multimerization represents a new avenue for intervening HIV-1 infection. Here, we generated a cell-based assay system to assess IN multimerization using a newly constructed bimolecular fluorescence complementation (BiFC-IN) system. BiFC-IN proteins were efficient in emitting fluorescence, and amino acid (AA) substitutions associated with IN multimerization attenuated fluorescence, suggesting that the BiFC-IN system may be useful for evaluating the profile of IN multimerization. A recently reported non-catalytic site IN inhibitor (NCINI), which allosterically induces IN over-multimerization/aggregation, significantly increased fluorescence in the BiFC-IN system. An IN's substitution, A128T, associated with viral resistance to NCINIs, decreased the NCINI-induced increase of fluorescence, suggesting that A128T reduces the potential for IN over-multimerization. Moreover, E11K and F181T substitutions known to inhibit IN tetramerization also reduced the NCINI-induced fluorescence increase, suggesting that NCINI-induced IN over-multimerization was more likely to occur from tetramer subunits than from dimer subunits. The present study demonstrates that our cell-based BiFC-IN system may be useful in elucidating the profile of IN multimerization, and also help evaluate and identify novel compounds that disrupt IN multimerization in living cells.
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Registered trials
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