Evidence map›Paper›PMID 21677135›Full record

ArticleJournal of immunology (Baltimore, Md. : 1950)2011

Anti-CD8 antibodies can trigger CD8+ T cell effector function in the absence of TCR engagement and improve peptide-MHCI tetramer staining.

Mathew Clement, Kristin Ladell, Julia Ekeruche-Makinde, John J Miles, Emily S J Edwards, Garry Dolton, Tamsin Williams, Andrea J A Schauenburg, David K Cole, Sarah N Lauder and 6 more

Open access · bronzeAbstract read
In one paragraph

Article in Journal of immunology (Baltimore, Md. : 1950), 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
0.9field-weighted citation impact, top 27% 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

27 citing papers in PubMed, 41 citations in OpenAlex.

  1. Article
  2. Article
  3. Specific imaging of CD8 + T-Cell dynamics with a nanobody radiotracer against human CD8β.European journal of nuclear medicine and molecular imaging · 2024
    Article
  4. Review
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  6. Review
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  8. Article
  9. Article
  10. Preclinical Evaluation ofMolecular imaging and biology · 2021
    Article
  11. CD8 coreceptor-mediated focusing can reorder the agonist hierarchy of peptide ligands recognized via the T cell receptor.Proceedings of the National Academy of Sciences of the United States of America · 2021
    Article
  12. Review
  13. Article
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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

16 authors at 3 institutions in 2 countries.

Mathew ClementCardiff University School of Medicine, University Hospital, Cardiff CF14 4XN, United Kingdom.
Kristin Ladell
Julia Ekeruche-Makinde
John J Miles
Emily S J Edwards
Garry Dolton
Tamsin Williams
Andrea J A Schauenburg
David K Cole
Sarah N Lauder
Awen M Gallimore
Andrew J Godkin
Scott R Burrows
David A Price
Andrew K Sewell
Linda Wooldridge
Cardiff University · GBUniversity Hospital of Wales · GBQIMR Berghofer Medical Research Institute · AU

Funding

Wellcome Trust 079848
6 · The paper itself

Abstract

CD8(+) T cells recognize immunogenic peptides presented at the cell surface bound to MHCI molecules. Ag recognition involves the binding of both TCR and CD8 coreceptor to the same peptide-MHCI (pMHCI) ligand. Specificity is determined by the TCR, whereas CD8 mediates effects on Ag sensitivity. Anti-CD8 Abs have been used extensively to examine the role of CD8 in CD8(+) T cell activation. However, as previous studies have yielded conflicting results, it is unclear from the literature whether anti-CD8 Abs per se are capable of inducing effector function. In this article, we report on the ability of seven monoclonal anti-human CD8 Abs to activate six human CD8(+) T cell clones with a total of five different specificities. Six of seven anti-human CD8 Abs tested did not activate CD8(+) T cells. In contrast, one anti-human CD8 Ab, OKT8, induced effector function in all CD8(+) T cells examined. Moreover, OKT8 was found to enhance TCR/pMHCI on-rates and, as a consequence, could be used to improve pMHCI tetramer staining and the visualization of Ag-specific CD8(+) T cells. The anti-mouse CD8 Abs, CT-CD8a and CT-CD8b, also activated CD8(+) T cells despite opposing effects on pMHCI tetramer staining. The observed heterogeneity in the ability of anti-CD8 Abs to trigger T cell effector function provides an explanation for the apparent incongruity observed in previous studies and should be taken into consideration when interpreting results generated with these reagents. Furthermore, the ability of Ab-mediated CD8 engagement to deliver an activation signal underscores the importance of CD8 in CD8(+) T cell signaling.

Indexed as

Cytotoxicity, ImmunologicAntibodiesCD8 AntigensCD8-Positive T-LymphocytesClone CellsHLA-A2 AntigenHLA-A AntigensHumansImmunophenotypingLigandsPeptidesReceptors, Antigen, T-CellSignal TransductionStaining and LabelingSurface Plasmon ResonanceAntibodiesCD8alpha antigenCD8 AntigensHLA-A*02:01 antigenHLA-A2 AntigenHLA-A AntigensLigandsPeptidesReceptors, Antigen, T-Cell

Identifiers

PMID21677135
PMCPMC3145095
OpenAlexW2171868381

What OpenQuestion holds

Textmetadata
LicenceTDM
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.