Evidence map›Paper›PMID 35419694›Full record

ArticleAnalytical and bioanalytical chemistry2022

Use of hyphenated analytical techniques to identify the bioactive constituents of Gunnera perpensa L., a South African medicinal plant, which potently inhibit SARS-CoV-2 spike glycoprotein-host ACE2 binding.

Luke Invernizzi, Phanankosi Moyo, Joel Cassel, Freddie J Isaacs, Joseph M Salvino, Luis J Montaner, Ian Tietjen, Vinesh Maharaj

Open access · bronzeAbstract read
In one paragraph

Article in Analytical and bioanalytical chemistry, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
2.8field-weighted citation impact, top 10% 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

8 citing papers in PubMed, 23 citations in OpenAlex.

  1. Review
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  6. Natural products as a source of Coronavirus entry inhibitors.Frontiers in cellular and infection microbiology · 2024
    Review
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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

8 authors at 2 institutions in 2 countries.

Luke InvernizziDepartment of Chemistry, University of Pretoria, Pretoria, South Africa.ORCID http://orcid.org/0000-0003-1095-365X
Phanankosi MoyoDepartment of Chemistry, University of Pretoria, Pretoria, South Africa.ORCID http://orcid.org/0000-0001-7692-3256
Joel CasselThe Wistar Institute, Philadelphia, PA, USA.ORCID http://orcid.org/0000-0001-8465-8739
Freddie J IsaacsPure Herbal Medicine, Uitenhage, South Africa.
Joseph M SalvinoThe Wistar Institute, Philadelphia, PA, USA.ORCID http://orcid.org/0000-0002-2184-5980
Luis J MontanerThe Wistar Institute, Philadelphia, PA, USA.ORCID http://orcid.org/0000-0001-5799-6759
Ian TietjenThe Wistar Institute, Philadelphia, PA, USA.ORCID http://orcid.org/0000-0002-8991-6490
Vinesh MaharajDepartment of Chemistry, University of Pretoria, Pretoria, South Africa. vinesh.maharaj@up.ac.za.ORCID http://orcid.org/0000-0002-6512-304X
The Wistar Institute · USUniversity of Pretoria · ZA

Funding

Canadian Institutes for Health Research CIHR PJT-153057Commonwealth of Pennsylvania I.T.Commonwealth of Pennsylvania J.M.S.Commonwealth of Pennsylvania L.J.M.Department of Science and Innovation, South Africa DST/CON 0031/2019Wistar Discovery Fund J.M.S.Wistar Discovery Fund L.J.M.
6 · The paper itself

Abstract

SARS-CoV-2, the causative agent of COVID-19, continues to cause global morbidity and mortality despite the increasing availability of vaccines. Alongside vaccines, antivirals are urgently needed to combat SARS-CoV-2 infection and spread, particularly in resource-limited regions which lack access to existing therapeutics. Small molecules isolated from medicinal plants may be able to block cellular entry by SARS-CoV-2 by antagonising the interaction of the viral spike glycoprotein receptor-binding domain (RBD) with the host angiotensin-converting enzyme II (ACE2) receptor. As the medicinal plant Gunnera perpensa L. is being used by some South African traditional healers for SARS-CoV-2/COVID-19 management, we hypothesised that it may contain chemical constituents that inhibit the RBD-ACE2 interaction. Using a previously described AlphaScreen-based protein interaction assay, we show here that the DCM:MeOH extract of G. perpensa readily disrupts RBD (USA-WA1/2020)-ACE2 interactions with a half-maximal inhibition concentration (IC

Indexed as

COVID-19 Drug TreatmentPlants, MedicinalAngiotensin-Converting Enzyme 2Antiviral AgentsPlant ExtractsSARS-CoV-2South AfricaSpike Glycoprotein, CoronavirusAngiotensin-Converting Enzyme 2Antiviral AgentsPlant ExtractsSpike Glycoprotein, Coronavirusspike protein, SARS-CoV-2AntiviralGunnera perpensaPunicalaginPunicalinSARS-CoV-2UPLC-IMS-HRMS

Identifiers

PMID35419694
PMCPMC9007697
OpenAlexW4224016350

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.