Evidence map›Paper›PMID 22479601›Full record

ArticlePloS one2012

The respiratory syncytial virus G protein conserved domain induces a persistent and protective antibody response in rodents.

Thien N Nguyen, Ultan F Power, Alain Robert, Jean-François Haeuw, Katia Helffer, Amadeo Perez, Miguel-Angel Asin, Nathalie Corvaia, Christine Libon

Abstract read
In one paragraph

Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
–field-weighted citation impact
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

24 citing papers in PubMed.

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  20. Respiratory syncytial virus--a comprehensive review.Clinical reviews in allergy & immunology · 2013
    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

9 authors.

Thien N NguyenMicrobiotechnologie, Centre de Recherche and Développement Pierre Fabre, Toulouse, France. thien.nguyen@pierre-fabre.com
Ultan F Power
Alain Robert
Jean-François Haeuw
Katia Helffer
Amadeo Perez
Miguel-Angel Asin
Nathalie Corvaia
Christine Libon

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Respiratory syncytial virus (RSV) is an important cause of severe upper and lower respiratory disease in infants and in the elderly. There are 2 main RSV subtypes A and B. A recombinant vaccine was designed based on the central domain of the RSV-A attachment G protein which we had previously named G2Na (aa130-230). Here we evaluated immunogenicity, persistence of antibody (Ab) response and protective efficacy induced in rodents by: (i) G2Na fused to DT (Diphtheria toxin) fragments in cotton rats. DT fusion did not potentiate neutralizing Ab responses against RSV-A or cross-reactivity to RSV-B. (ii) G2Nb (aa130-230 of the RSV-B G protein) either fused to, or admixed with G2Na. G2Nb did not induce RSV-B-reactive Ab responses. (iii) G2Na at low doses. Two injections of 3 µg G2Na in Alum were sufficient to induce protective immune responses in mouse lungs, preventing RSV-A and greatly reducing RSV-B infections. In cotton rats, G2Na-induced RSV-reactive Ab and protective immunity against RSV-A challenge that persisted for at least 24 weeks. (iv) injecting RSV primed mice with a single dose of G2Na/Alum or G2Na/PLGA [poly(D,L-lactide-co-glycolide]. Despite the presence of pre-existing RSV-specific Abs, these formulations effectively boosted anti-RSV Ab titres and increased Ab titres persisted for at least 21 weeks. Affinity maturation of these Abs increased from day 28 to day 148. These data indicate that G2Na has potential as a component of an RSV vaccine formulation.

Indexed as

AnimalsAntibodies, NeutralizingAntibody AffinityAntibody FormationEnzyme-Linked Immunosorbent AssayFemaleImmune SystemMiceMice, Inbred BALB CProtein Structure, TertiaryRatsRecombinant ProteinsRespiratory Syncytial VirusesRespiratory Syncytial Virus InfectionsSigmodontinaeViral Envelope ProteinsAntibodies, Neutralizingattachment protein GRecombinant ProteinsViral Envelope Proteins

Identifiers

PMID22479601
PMCPMC3315535

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LicenceCC BY
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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.