Evidence map›Paper›PMID 17804497›Full record

ArticleJournal of virology2007

Inhibition of human immunodeficiency virus type 1 concerted integration by strand transfer inhibitors which recognize a transient structural intermediate.

Krishan K Pandey, Sibes Bera, Jacob Zahm, Ajaykumar Vora, Kara Stillmock, Daria Hazuda, Duane P Grandgenett

Open access · bronzeAbstract read
In one paragraph

Article in Journal of virology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
2.2field-weighted citation impact, top 13% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

28 citing papers in PubMed, 44 citations in OpenAlex.

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  16. Structure-based modeling of the functional HIV-1 intasome and its inhibition.Proceedings of the National Academy of Sciences of the United States of America · 2010
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 2 institutions in 1 country.

Krishan K PandeyInstitute for Molecular Virology, Saint Louis University Health Sciences Center, St Louis, MO 63110, USA.
Sibes Bera
Jacob Zahm
Ajaykumar Vora
Kara Stillmock
Daria Hazuda
Duane P Grandgenett
Saint Louis University · USUnited States Military Academy · US

Funding

AVIAN RETROVIRUS DNA SYNTHESIS AND ITS REGULATIONSR01CA016312 · NCI · SAINT LOUIS UNIVERSITY · PI GRANDGENETT, DUANE P · 1985 to 2008
$2.3M
HIV-1 INTEGRATION PROTEINR01AI031334 · NIAID · SAINT LOUIS UNIVERSITY · PI GRANDGENETT, DUANE P · 1991 to 2005
$1.5M
NCI NIH HHS CA16312NCI NIH HHS R01 CA016312NIAID NIH HHS AI31334NIAID NIH HHS R01 AI031334
6 · The paper itself

Abstract

Human immunodeficiency virus type 1 (HIV-1) integrase (IN) inserts the viral DNA genome into host chromosomes. Here, by native agarose gel electrophoresis, using recombinant IN with a blunt-ended viral DNA substrate, we identified the synaptic complex (SC), a transient early intermediate in the integration pathway. The SC consists of two donor ends juxtaposed by IN noncovalently. The DNA ends within the SC were minimally processed (~15%). In a time-dependent manner, the SC associated with target DNA and progressed to the strand transfer complex (STC), the nucleoprotein product of concerted integration. In the STC, the two viral DNA ends are covalently attached to target and remain associated with IN. The diketo acid inhibitors and their analogs effectively inhibit HIV-1 replication by preventing integration in vivo. Strand transfer inhibitors L-870,810, L-870,812, and L-841,411, at low nM concentrations, effectively inhibited the concerted integration of viral DNA donor in vitro. The inhibitors, in a concentration-dependent manner, bound to IN within the SC and thereby blocked the docking onto target DNA, which thus prevented the formation of the STC. Although 3'-OH recessed donor efficiently formed the STC, reactions proceeding with this substrate exhibited marked resistance to the presence of inhibitor, requiring significantly higher concentrations for effective inhibition of all strand transfer products. These results suggest that binding of inhibitor to the SC occurs prior to, during, or immediately after 3'-OH processing. It follows that the IN-viral DNA complex is "trapped" by the strand transfer inhibitors via a transient intermediate within the cytoplasmic preintegration complex.

Indexed as

Anti-HIV AgentsDNA, ViralHIV-1HumansInhibitory Concentration 50Keto AcidsNaphthyridinesVirus IntegrationAnti-HIV AgentsDNA, ViralKeto AcidsL-841,411L870810L870812Naphthyridines

Identifiers

PMID17804497
PMCPMC2169005
OpenAlexW2171813035

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.