Evidence map›Paper›PMID 24637690›Full record

ArticleAntimicrobial agents and chemotherapy2014

Nonnucleoside inhibitors of norovirus RNA polymerase: scaffolds for rational drug design.

Auda A Eltahla, Kun Lee Lim, John-Sebastian Eden, Andrew G Kelly, Jason M Mackenzie, Peter A White

Open access · bronzeAbstract read
In one paragraph

Article in Antimicrobial agents and chemotherapy, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
4.3field-weighted citation impact, top 5% 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

25 citing papers in PubMed, 44 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Article
  5. Antiviral Candidates for Treating Hepatitis E Virus Infection.Antimicrobial agents and chemotherapy · 2019
    Article
  6. Article
  7. Norovirus antivirals: Where are we now?Medicinal research reviews · 2019
    Review
  8. Review
  9. Review
  10. Article
  11. Article
  12. Article
  13. Article
  14. Review
  15. Article
  16. Current tools for norovirus drug discovery.Expert opinion on drug discovery · 2016
    Review
  17. Antiviral targets of human noroviruses.Current opinion in virology · 2016
    Review
  18. Article
  19. Article
  20. Anti-norovirus therapeutics: a patent review (2010-2015).Expert opinion on therapeutic patents · 2016
    Review
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

6 authors at 4 institutions in 2 countries.

Auda A EltahlaSchool of Biotechnology and Biomolecular Sciences, Faculty of Science, University of New South Wales, Sydney, NSW, Australia.
Kun Lee LimSchool of Biotechnology and Biomolecular Sciences, Faculty of Science, University of New South Wales, Sydney, NSW, Australia Molecular Laboratory, Department of Pathology, Singapore General Hospital, Singapore.
John-Sebastian EdenMarie Bashir Institute for Infectious Diseases and Biosecurity, School of Biological Sciences and Sydney Medical School, University of Sydney, Sydney, NSW, Australia.
Andrew G KellySchool of Biotechnology and Biomolecular Sciences, Faculty of Science, University of New South Wales, Sydney, NSW, Australia.
Jason M MackenzieDepartment of Microbiology and Immunology, University of Melbourne, Melbourne, VIC, Australia.
Peter A WhiteSchool of Biotechnology and Biomolecular Sciences, Faculty of Science, University of New South Wales, Sydney, NSW, Australia p.white@unsw.edu.au.
UNSW Sydney · AUSingapore General Hospital · SGUniversity of Melbourne · AUUniversity of Sydney · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Norovirus (NoV) is the leading cause of acute gastroenteritis worldwide, causing over 200,000 deaths a year. NoV is nonenveloped, with a single-stranded RNA genome, and is primarily transmitted person to person. The viral RNA-dependent RNA polymerase (RdRp) is critical for the production of genomic and subgenomic RNA and is therefore a prime target for antiviral therapies. Using high-throughput screening, nearly 20,000 "lead-like" compounds were tested for inhibitory activity against the NoV genogroup II, genotype 4 (GII.4) RdRp. The four most potent hits demonstrated half-maximal inhibitory concentrations (IC50s) between 5.0 μM and 9.8 μM against the target RdRp. Compounds NIC02 and NIC04 revealed a mixed mode of inhibition, while NIC10 and NIC12 were uncompetitive RdRp inhibitors. When examined using enzymes from related viruses, NIC02 demonstrated broad inhibitory activity while NIC04 was the most specific GII.4 RdRp inhibitor. The antiviral activity was examined using available NoV cell culture models; the GI.1 replicon and the infectious GV.1 murine norovirus (MNV). NIC02 and NIC04 inhibited the replication of the GI.1 replicon, with 50% effective concentrations (EC50s) of 30.1 μM and 71.1 μM, respectively, while NIC10 and NIC12 had no observable effect on the NoV GI.1 replicon. In the MNV model, NIC02 reduced plaque numbers, size, and viral RNA levels in a dose-dependent manner (EC50s between 2.3 μM and 4.8 μM). The remaining three compounds also reduced MNV replication, although with higher EC50s, ranging from 32 μM to 38 μM. In summary, we have identified novel nonnucleoside inhibitor scaffolds that will provide a starting framework for the development and future optimization of targeted antivirals against NoV.

Indexed as

Antiviral AgentsCaliciviridae InfectionsCell Line, TumorCell SurvivalDrug DesignGastroenteritisGenotypeHigh-Throughput Screening AssaysHumansInhibitory Concentration 50NorovirusRecombinant ProteinsRepliconRNA-Dependent RNA PolymeraseRNA, ViralStructure-Activity RelationshipAntiviral AgentsRecombinant ProteinsRNA-Dependent RNA PolymeraseRNA, Viral

Identifiers

PMID24637690
PMCPMC4068436
OpenAlexW1971382864

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.