Evidence map›Paper›PMID 22163292›Full record

ArticlePloS one2011

DC-SIGN increases the affinity of HIV-1 envelope glycoprotein interaction with CD4.

Karolin Hijazi, Yufei Wang, Carlo Scala, Simon Jeffs, Colin Longstaff, Daniel Stieh, Beth Haggarty, Guido Vanham, Dominique Schols, Jan Balzarini and 4 more

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
1.8field-weighted citation impact, top 17% 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

24 citing papers in PubMed, 41 citations in OpenAlex.

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  15. Human lectins and their roles in viral infections.Molecules (Basel, Switzerland) · 2015
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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

14 authors at 10 institutions in 3 countries.

Karolin HijaziKing's College London, Dental Institute, Oral Immunology, Tower Wing, Guy's Hospital, London, United Kingdom.
Yufei Wang
Carlo Scala
Simon Jeffs
Colin Longstaff
Daniel Stieh
Beth Haggarty
Guido Vanham
Dominique Schols
Jan Balzarini
Ian M Jones
James Hoxie
Robin Shattock
Charles G Kelly
Guy's Hospital · GBKing's College London · GBRega Institute for Medical Research · BESt George's, University of London · GBImperial College London · GBNational Institute for Biological Standards and Control · GBPenn Center for AIDS Research · USUniversity of Antwerp · BEUniversity of Pennsylvania · USUniversity of Reading · GB

Funding

Department of HealthMedical Research Council G0200000
6 · The paper itself

Abstract

Mannose-binding C-type lectin receptors, expressed on Langerhans cells and subepithelial dendritic cells (DCs) of cervico-vaginal tissues, play an important role in HIV-1 capture and subsequent dissemination to lymph nodes. DC-SIGN has been implicated in both productive infection of DCs and the DC-mediated trans infection of CD4(+) T cells that occurs in the absence of replication. However, the molecular events that underlie this efficient transmission have not been fully defined. In this study, we have examined the effect of the extracellular domains of DC-SIGN and Langerin on the stability of the interaction of the HIV-1 envelope glycoprotein with CD4 and also on replication in permissive cells. Surface plasmon resonance analysis showed that DC-SIGN increases the binding affinity of trimeric gp140 envelope glycoproteins to CD4. In contrast, Langerin had no effect on the stability of the gp140:CD4 complex. In vitro infection experiments to compare DC-SIGN enhancement of CD4-dependent and CD4-independent strains demonstrated significantly lower enhancement of the CD4-independent strain. In addition DC-SIGN increased the relative rate of infection of the CD4-dependent strain but had no effect on the CD4-independent strain. DC-SIGN binding to the HIV envelope protein effectively increases exposure of the CD4 binding site, which in turn contributes to enhancement of infection.

Indexed as

Antibodies, MonoclonalBinding SitesCD4 AntigensCD4-Positive T-LymphocytesCell Adhesion MoleculesDC-Specific ICAM-3 Grabbing Nonintegrinenv Gene Products, Human Immunodeficiency VirusFlow CytometryGene Expression ProfilingGene Expression Regulation, ViralHIV-1HIV Envelope Protein gp120HIV Envelope Protein gp41HumansKineticsLectins, C-TypeAntibodies, MonoclonalCD4 AntigensCell Adhesion MoleculesDC-Specific ICAM-3 Grabbing Nonintegrinenv Gene Products, Human Immunodeficiency Virusgp140 envelope protein, Human immunodeficiency virus 1HIV Envelope Protein gp120HIV Envelope Protein gp41Lectins, C-TypeReceptors, Cell SurfaceRecombinant Proteins

Identifiers

PMID22163292
PMCPMC3233575
OpenAlexW2049305304

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.