Evidence map›Paper›PMID 35237662›Full record

ArticleFrontiers in molecular biosciences2022

SARS-CoV-2 Spike Protein Unlikely to Bind to Integrins

Houcemeddine Othman, Haifa Ben Messaoud, Oussema Khamessi, Hazem Ben-Mabrouk, Kais Ghedira, Avani Bharuthram, Florette Treurnicht, Ikechukwu Achilonu, Yasien Sayed, Najet Srairi-Abid

Open access · goldAbstract read
In one paragraph

Article in Frontiers in molecular biosciences, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
1.8field-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

14 citing papers in PubMed, 20 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Integrin αProceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  7. Article
  8. Review
  9. Coagulopathy in COVID-19 and anticoagulation clinical trials.Best practice & research. Clinical haematology · 2022
    Review
  10. Article
  11. Review
  12. Article
  13. Article
  14. Can the SARS-CoV-2 Spike Protein Bind Integrins Independent of the RGD Sequence?Frontiers in cellular and infection microbiology · 2021
    Article
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

10 authors at 6 institutions in 2 countries.

Houcemeddine OthmanSydney Brenner Institute for Molecular Bioscience, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.
Haifa Ben MessaoudNational Gene Bank of Tunisia, Boulevard du Leader Yesser Arafet, Tunis, Tunisia.
Oussema KhamessiUniversité de Tunis El Manar, Institut Pasteur de Tunis, LR11IPT08 Venins et Biomolecules Therapeutiques, Tunis, Tunisie.
Hazem Ben-MabroukLaboratory of Biomolecules, Venoms and Theranostic Applications, LR20IPT01, Institut Pasteur de Tunis, University of Tunis El Manar, Tunis, Tunisia.
Kais GhediraLaboratory of Bioinformatics, Biomathematics and Biostatistics (BIMS), Institut Pasteur de Tunis (IPT), University of Tunis El Manar, Tunis, Tunisia.
Avani BharuthramDepartment of Virology, National Health Laboratory Services and the School of Pathology, University of the Witwatersrand, Johannesburg, South Africa.
Florette TreurnichtDepartment of Virology, National Health Laboratory Services and the School of Pathology, University of the Witwatersrand, Johannesburg, South Africa.
Ikechukwu AchilonuProtein Structure-Function Research Unit, School of Molecular and Cell Biology, University of Witwatersrand, Johannesburg, South Africa.
Yasien SayedProtein Structure-Function Research Unit, School of Molecular and Cell Biology, University of Witwatersrand, Johannesburg, South Africa.
Najet Srairi-AbidLaboratory of Biomolecules, Venoms and Theranostic Applications, LR20IPT01, Institut Pasteur de Tunis, University of Tunis El Manar, Tunis, Tunisia.
Institut Pasteur de Tunis · TNUniversity of the Witwatersrand · ZABanque Nationale de Gènes · TNNational Health Laboratory Service · ZATunis El Manar University · TNTunis University · TN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The Receptor Binding Domain (RBD) of SARS-CoV-2 virus harbors a sequence of Arg-Gly-Asp tripeptide named RGD motif, which has also been identified in extracellular matrix proteins that bind integrins as well as other disintegrins and viruses. Accordingly, integrins have been proposed as host receptors for SARS-CoV-2. However, given that the microenvironment of the RGD motif imposes a structural hindrance to the protein-protein association, the validity of this hypothesis is still uncertain. Here, we used normal mode analysis, accelerated molecular dynamics microscale simulation, and protein-protein docking to investigate the putative role of RGD motif of SARS-CoV-2 RBD for interacting with integrins. We found, that neither RGD motif nor its microenvironment showed any significant conformational shift in the RBD structure. Highly populated clusters of RBD showed no capability to interact with the RGD binding site in integrins. The free energy landscape revealed that the RGD conformation within RBD could not acquire an optimal geometry to allow the interaction with integrins. In light of these results, and in the event where integrins are confirmed to be host receptors for SARS-CoV-2, we suggest a possible involvement of other residues to stabilize the interaction.

Indexed as

COVID-19integrinmolecular dynamcisRBDSARS-CoV-2

Identifiers

PMID35237662
PMCPMC8883519
OpenAlexW4226153262

What OpenQuestion holds

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Registered trials

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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.