Evidence map›Paper›PMID 25161317›Full record

ArticleScience signaling2014

Diacylglycerol kinase α establishes T cell polarity by shaping diacylglycerol accumulation at the immunological synapse.

Anne Chauveau, Audrey Le Floc'h, Niels S Bantilan, Gary A Koretzky, Morgan Huse

Abstract read
In one paragraph

Article in Science signaling, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.

0numbers the graph read from it
0cells of the map it votes in
45citing papers in PubMed
1.7field-weighted citation impact, top 16% 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

45 citing papers in PubMed, 64 citations in OpenAlex.

  1. Review
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  10. Immune Checkpoint Receptors Signaling in T Cells.International journal of molecular sciences · 2022
    Review
  11. Review
  12. Article
  13. Article
  14. Review
  15. Review
  16. Diacylglycerol Kinase alpha in X Linked Lymphoproliferative Disease Type 1.International journal of molecular sciences · 2021
    Review
  17. Review
  18. Article
  19. Article
  20. 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

5 authors at 2 institutions in 1 country.

Anne ChauveauImmunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA.
Audrey Le Floc'hImmunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA.
Niels S BantilanImmunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA.
Gary A KoretzkyDepartment of Medicine, Weill Cornell Medical College, New York, NY 10065, USA.
Morgan HuseImmunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA. husem@mskcc.org.
Memorial Sloan Kettering Cancer Center · USCornell University · US

Funding

X-RAY CRYSTALLOGRAPHYP30CA008748 · NCI · SLOAN-KETTERING INSTITUTE FOR CANCER RES · PI Nicholas D Socci · 1985 to 2026
$347.4M
Synaptic Control of Cytotoxic T cell FunctionR01AI087644 · NIAID · SLOAN-KETTERING INST CAN RESEARCH · PI HUSE, MORGAN A · 2010 to 2025
$7.3M
NCI NIH HHS P30 CA008748NIAID NIH HHS R01 AI087644
6 · The paper itself

Abstract

Polarization of the T cell microtubule-organizing center (MTOC) to the immunological synapse between the T cell and an antigen-presenting cell (APC) maintains the specificity of T cell effector responses by enabling directional secretion toward the APC. The reorientation of the MTOC is guided by a sharp gradient of the second messenger diacylglycerol (DAG), which is centered at the immunological synapse. We used a single-cell photoactivation approach to demonstrate that diacylglycerol kinase α (DGK-α), which catalyzes the conversion of DAG to phosphatidic acid, determined T cell polarity by limiting the diffusion of DAG. DGK-α-deficient T cells exhibited enlarged accumulations of DAG at the immunological synapse, as well as impaired reorientation of the MTOC. In contrast, T cells lacking the related isoform DGK-ζ did not display polarization defects. We also found that DGK-α localized preferentially to the periphery of the immunological synapse, suggesting that it constrained the area over which DAG accumulated. Phosphoinositide 3-kinase activity was required for the peripheral localization pattern of DGK-α, which suggests a link between DAG and phosphatidylinositol signaling during T cell activation. These results reveal a previously unappreciated function of DGK-α and provide insight into the mechanisms that determine lymphocyte polarity.

Indexed as

AnimalsCD4-Positive T-LymphocytesCell PolarityDiacylglycerol KinaseDiglyceridesEnzyme-Linked Immunosorbent AssayImage Processing, Computer-AssistedImmunological SynapsesMiceMice, TransgenicMicrotubule-Organizing CenterPhosphatidylinositol 3-KinasesSingle-Cell AnalysisStatistics, NonparametricDiacylglycerol KinaseDiglyceridesPhosphatidylinositol 3-Kinases

Identifiers

PMID25161317
PMCPMC4993625
OpenAlexW2065306259

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.