Evidence map›Paper›PMID 25192825›Full record

ArticleVirology journal2014

Identification of swine influenza virus epitopes and analysis of multiple specificities expressed by cytotoxic T cell subsets.

Lasse E Pedersen, Solvej Ø Breum, Ulla Riber, Lars E Larsen, Gregers Jungersen

Abstract read
In one paragraph

Article in Virology journal, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing 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

13 citing papers in PubMed.

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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

5 authors.

Lasse E PedersenNational Veterinary Institute, Technical University of Denmark, Frederiksberg C, Denmark. lasse.eggers@gmail.com.
Solvej Ø Breum
Ulla Riber
Lars E Larsen
Gregers Jungersen

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundMajor histocompatibility complex (MHC) class I peptide binding and presentation are essential for antigen-specific activation of cytotoxic T lymphocytes (CTLs) and swine MHC class I molecules, also termed swine leukocyte antigens (SLA), thus play a crucial role in the process that leads to elimination of viruses such as swine influenza virus (SwIV). This study describes the identification of SLA-presented peptide epitopes that are targets for a swine CTL response, and further analyses multiple specificities expressed by SwIV activated CTL subsets.

findingsFour SwIV derived peptides were identified as T cell epitopes using fluorescent influenza:SLA tetramers. In addition, multiple CTL specificities were analyzed using peptide sequence substitutions in two of the four epitope candidates analyzed. Interestingly both conserved and substituted peptides were found to stain the CD4-CD8+ T cell subsets indicating multiple specificities.

conclusionsThis study describes a timely and cost-effective approach for viral epitope identification in livestock animals. Analysis of T cell subsets showed multiple specificities suggesting SLA-bound epitope recognition of different conformations.

Indexed as

Amino Acid SequenceAnimalsAntigens, ViralEpitopes, T-LymphocyteGene Expression RegulationHistocompatibility Antigens Class IHistocompatibility Antigens Class IIInfluenza A virusMajor Histocompatibility ComplexSwineT-Lymphocytes, CytotoxicAntigens, ViralEpitopes, T-LymphocyteHistocompatibility Antigens Class IHistocompatibility Antigens Class IIswine leukocyte antigen

Identifiers

PMID25192825
PMCPMC4161877

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LicenceCC BY
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Registered trials

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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.