Evidence map›Paper›PMID 25424814›Full record

ArticleHuman vaccines & immunotherapeutics2014

Immune responses elicited against rotavirus middle layer protein VP6 inhibit viral replication in vitro and in vivo.

Suvi Lappalainen, Ana Ruth Pastor, Kirsi Tamminen, Vanessa López-Guerrero, Fernando Esquivel-Guadarrama, Laura A Palomares, Timo Vesikari, Vesna Blazevic

Open access · hybridAbstract read
In one paragraph

Article in Human vaccines & immunotherapeutics, 2014. 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
3.4field-weighted citation impact, top 7% 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

24 citing papers in PubMed, 64 citations in OpenAlex.

  1. 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 4 institutions in 2 countries.

Suvi Lappalainena Vaccine Research Center; School of Medicine; University of Tampere; Tampere, Finland.
Ana Ruth Pastor
Kirsi Tamminen
Vanessa López-Guerrero
Fernando Esquivel-Guadarrama
Laura A Palomares
Timo Vesikari
Vesna Blazevic
Tampere University · FIUniversidad Autónoma del Estado de Morelos · MXUniversidad Nacional Autónoma de México · MXTampere University · FI

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Rotavirus (RV) is a common cause of severe gastroenteritis (GE) in children worldwide. Live oral RV vaccines protect against severe RVGE, but the immune correlates of protection are not yet clearly defined. Inner capsid VP6 protein is a highly conserved, abundant, and immunogenic RV protein, and VP6-specific mucosal antibodies, especially IgA, have been implicated to protect against viral challenge in mice. In the present study systemic and mucosal IgG and IgA responses were induced by immunizing BALB/c mice intranasally with a combination of recombinant RV VP6 protein (subgroup II [SGII]) and norovirus (NoV) virus-like particles (VLPs) used in a candidate vaccine. Following immunization mice were challenged orally with murine RV strain EDIMwt (SG non-I-non-II, G3P10[16]). In order to determine neutralizing activity of fecal samples, sera, and vaginal washes (VW) against human Wa RV (SGII, G1P1A[8]) and rhesus RV (SGI, G3P5B[3]), the RV antigen production was measured with an ELISA-based antigen reduction neutralization assay. Only VWs of immunized mice inhibited replication of both RVs, indicating heterotypic protection of induced antibodies. IgA antibody depletion and blocking experiments using recombinant VP6 confirmed that neutralization was mediated by anti-VP6 IgA antibodies. Most importantly, after the RV challenge significant reduction in viral shedding was observed in feces of immunized mice. These results suggest a significant role for mucosal RV VP6-specific IgA for the inhibition of RV replication in vitro and in vivo. In addition, these results underline the importance of non-serotype-specific immunity induced by the conserved subgroup-specific RV antigen VP6 in clearance of RV infection.

Indexed as

Immunity, MucosalAnimalsAntibodies, NeutralizingAntibodies, ViralAntigens, ViralCapsid ProteinsFecesFemaleImmunoglobulin AImmunoglobulin GMice, Inbred BALB CRotavirusSerumVaginaVirus ReplicationVirus SheddingAntibodies, NeutralizingAntibodies, ViralAntigens, ViralCapsid ProteinsImmunoglobulin AImmunoglobulin GVP6 protein, Rotavirusintranasal immunizationmucosal IgAneutralizationrotavirusVP6

Identifiers

PMID25424814
PMCPMC4186038
OpenAlexW2027759660

What OpenQuestion holds

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LicenceCC BY-NC
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.