Evidence map›Paper›PMID 22379077›Full record

ArticleJournal of virology2012

Decreased neuraminidase activity is important for the adaptation of H5N1 influenza virus to human airway epithelium.

Natalia A Ilyushina, Nicolai V Bovin, Robert G Webster

Open access · bronzeAbstract read
In one paragraph

Article in Journal of virology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed
4.9field-weighted citation impact, top 4% 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

37 citing papers in PubMed, 51 citations in OpenAlex.

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  10. Insight into the first multi-epitope-based peptide subunit vaccine against avian influenza A virus (H5N6): An immunoinformatics approach.Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases · 2022
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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

3 authors at 3 institutions in 2 countries.

Natalia A IlyushinaDepartment of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, Tennessee, USA.
Nicolai V Bovin
Robert G Webster
D.I. Ivanovsky Institute of Virology Russian Academy of Medical Sciences · RUInstitute of Bioorganic Chemistry · RUSt. Jude Children's Research Hospital · US

Funding

NIAID NIH HHS HHSN266200700005C
6 · The paper itself

Abstract

Highly pathogenic avian H5N1 influenza viruses remain a pandemic threat. Antiviral drugs such as neuraminidase (NA) inhibitors will be crucial for disease control in the event of a pandemic. Should drug-resistant H5N1 viruses develop, all defense strategies will be compromised. To determine the likelihood and mechanisms of emergence of NA inhibitor-resistant H5N1 variants in humans, we serially passaged two H5N1 viruses, A/Hong Kong/213/03 and A/Turkey/65-1242/06, in normal human bronchial epithelial (NHBE) cells in the presence of oseltamivir, zanamivir, or peramivir. To monitor the emergence of changes associated with the adaptation of H5N1 viruses to humans, we passaged the strains in the absence of drugs. Under pressure of each NA inhibitor, A/Turkey/65-1242/06 developed mutations in the hemagglutinin (HA) (H28R and P194L/T215I) and NA (E119A) proteins that reduced virus binding to α2,3-sialyl receptor and NA activity. Oseltamivir pressure selected a variant of A/Hong Kong/213/03 virus with HA P194S mutation that decreased viral binding to α2,6 receptor. Under peramivir pressure, A/Hong Kong/213/03 virus developed a novel NA mutation, R156K, that reduced binding to all three drugs, caused about 90% loss of NA activity, and compromised replication in NHBE cells. Both strains were eliminated in NHBE cells when they were cultivated in the absence of drugs. Here, we show for the first time that decreased NA activity mediated through NA inhibitors is essential for the adaptation of pandemic H5N1 influenza virus to humans. This ability of decreased NA activity to promote H5N1 infection underlines the necessity to optimize management strategies for a plausible H5N1 pandemic.

Indexed as

Adaptation, BiologicalAmino Acid SubstitutionAnimalsCell LineDogsDrug Resistance, ViralEnzyme ActivationEnzyme InhibitorsGenes, ViralHemagglutininsHumansInfluenza A Virus, H5N1 SubtypeKineticsMicrobial Sensitivity TestsMutationNeuraminidaseEnzyme InhibitorsHemagglutininsNeuraminidaseReceptors, VirusRibonucleoproteins

Identifiers

PMID22379077
PMCPMC3347354
OpenAlexW2153017236

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.