Evidence map›Paper›PMID 24771853›Full record

ArticleJournal of immunology (Baltimore, Md. : 1950)2014

Overlapping and asymmetric functions of TCR signaling during thymic selection of CD4 and CD8 lineages.

Charles Sinclair, Benedict Seddon

Open access · bronzeAbstract read
In one paragraph

Article in Journal of immunology (Baltimore, Md. : 1950), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
1.3field-weighted citation impact, top 21% 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

12 citing papers in PubMed, 24 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. Article
  5. ZAP-70 in Signaling, Biology, and Disease.Annual review of immunology · 2018
    Review
  6. Review
  7. Article
  8. Article
  9. Article
  10. Article
  11. Zap70 is essential for long-term survival of naive CD8 T cells.Journal of immunology (Baltimore, Md. : 1950) · 2014
    Article
  12. 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

2 authors at 1 institution in 1 country.

Charles SinclairDivision of Immune Cell Biology, Medical Research Council National Institute for Medical Research, London NW7 1AA, United Kingdom.
Benedict SeddonDivision of Immune Cell Biology, Medical Research Council National Institute for Medical Research, London NW7 1AA, United Kingdom benedict.seddon@ucl.ac.uk.
Medical Research Council · GB

Funding

Medical Research Council MC_PC_13055Medical Research Council MC_U117573801Medical Research Council U117573801
6 · The paper itself

Abstract

TCR signaling plays a central role in directing developmental fates of thymocytes. Current models suggest TCR signal duration directs CD4 versus CD8 lineage development. To investigate the role of TCR signaling during positive selection directly, we switched signaling off in a cohort of selecting thymocytes and followed, in time, their subsequent fate. We did this using an inducible Zap70 transgenic mouse model that allowed Zap70-dependent signaling to be turned on and then off again. Surprisingly, loss of TCR signaling in CD4(+)CD8(lo) thymocytes did not prevent their development into committed CD4 single positives (SPs), nor their continued maturation to HSA(lo) SPs. However, numbers of CD4 SPs underwent a substantial decline following loss of Zap70 expression, suggesting an essential survival role for the kinase. Termination of TCR signaling is considered an essential step in CD8 lineage development. Loss of Zap70 expression, however, resulted in the rapid death of CD8 lineage precursor thymocytes and a failure to generate CD8 SPs. Significantly, extending the window of Zap70 expression was sufficient for generation and export of both CD4 and CD8 T cells. These data reveal a parallel requirement for TCR-mediated survival signaling, but an asymmetric requirement for TCR-mediated maturation signals.

Indexed as

AnimalsCD4-Positive T-LymphocytesCD8-Positive T-LymphocytesCell DeathCell SurvivalGene Expression RegulationMiceMice, KnockoutReceptors, Antigen, T-CellSignal TransductionThymus GlandZAP-70 Protein-Tyrosine KinaseReceptors, Antigen, T-CellZap70 protein, mouseZAP-70 Protein-Tyrosine Kinase

Identifiers

PMID24771853
PMCPMC4028205
OpenAlexW1599785575

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.