Evidence map›Paper›PMID 21640972›Full record

ArticleThe American journal of pathology2011

Pathogenesis of Influenza A/H5N1 virus infection in ferrets differs between intranasal and intratracheal routes of inoculation.

Rogier Bodewes, Joost H C M Kreijtz, Geert van Amerongen, Ron A M Fouchier, Albert D M E Osterhaus, Guus F Rimmelzwaan, Thijs Kuiken

Open access · bronzeAbstract readComparative Study
In one paragraph

Article in The American journal of pathology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 67 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
67citing papers in PubMed, 1 pooled it
8.2field-weighted citation impact, top 2% 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

67 citing papers in PubMed, 1 synthesis or guideline pooled it, 105 citations in OpenAlex.

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  19. Characteristics of animal models for COVID-19.Animal models and experimental medicine · 2022
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7 more citing papers are in PubMed but not listed here.

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

7 authors at 1 institution in 1 country.

Rogier BodewesDepartment of Virology, Erasmus Medical Center, Rotterdam, The Netherlands.
Joost H C M Kreijtz
Geert van Amerongen
Ron A M Fouchier
Albert D M E Osterhaus
Guus F Rimmelzwaan
Thijs Kuiken
Erasmus MC · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Most patients infected with highly pathogenic avian influenza A/H5N1 virus develop severe pneumonia resulting in acute respiratory distress syndrome, with extrarespiratory disease as an uncommon complication. Intranasal inoculation of ferrets with influenza A/H5N1 virus causes lesions in both the respiratory tract and extrarespiratory organs (primarily brain). However, the route of spread to extrarespiratory organs and the relative contribution of extrarespiratory disease to pathogenicity are largely unknown. In the present study, we characterized lesions in the respiratory tract and central nervous system (CNS) of ferrets (n = 8) inoculated intranasally with influenza virus A/Indonesia/5/2005 (H5N1). By 7 days after inoculation, only 3 of 8 ferrets had a mild or moderate bronchointerstitial pneumonia. In contrast, all 8 ferrets had moderate or severe CNS lesions, characterized by meningoencephalitis, choroiditis, and ependymitis, and centered on tissues adjoining the cerebrospinal fluid. These findings indicate that influenza A/H5N1 virus spread directly from nasal cavity to brain, and that CNS lesions contributed more than pulmonary lesions to the pathogenicity of influenza A/H5N1 virus infection in ferrets. In comparison, intratracheal inoculation of ferrets with the same virus reproducibly caused severe bronchointerstitial pneumonia. The method of virus inoculation requires careful consideration in the design of ferret experiments as a model for influenza A/H5N1 in humans.

Indexed as

Administration, IntranasalIntubation, IntratrachealAnimalsBrainBrain DiseasesDisease Models, AnimalDogsFemaleFerretsImmunoenzyme TechniquesInfluenza A Virus, H5N1 SubtypeKidneyLung DiseasesOrthomyxoviridae InfectionsVirus Replication

Identifiers

PMID21640972
PMCPMC3123863
OpenAlexW2132319113

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.