Evidence map›Paper›PMID 23145172›Full record

ArticlePloS one2012

Sphingosine 1-phosphate modulates antigen capture by murine Langerhans cells via the S1P2 receptor subtype.

Lukasz Japtok, Katrin Schaper, Wolfgang Bäumer, Heinfried H Radeke, Se Kyoo Jeong, Burkhard Kleuser

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
2.6field-weighted citation impact, top 10% 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

21 citing papers in PubMed, 46 citations in OpenAlex.

  1. Trial
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  8. Ceramides in Skin Health and Disease: An Update.American journal of clinical dermatology · 2021
    Review
  9. Review
  10. Topical Application of S1PBiomolecules & therapeutics · 2020
    Article
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  12. Article
  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

6 authors at 4 institutions in 2 countries.

Lukasz JaptokFaculty of Mathematics and Natural Science, Department of Toxicology, Institute of Nutritional Science, University of Potsdam, Potsdam, Germany.
Katrin Schaper
Wolfgang Bäumer
Heinfried H Radeke
Se Kyoo Jeong
Burkhard Kleuser
University of Potsdam · DEUniversity of Veterinary Medicine Hannover, Foundation · DEGoethe University Frankfurt · DEKomipharm International (South Korea) · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Dendritic cells (DCs) play a pivotal role in the development of cutaneous contact hypersensitivity (CHS) and atopic dermatitis as they capture and process antigen and present it to T lymphocytes in the lymphoid organs. Recently, it has been indicated that a topical application of the sphingolipid sphingosine 1-phosphate (S1P) prevents the inflammatory response in CHS, but the molecular mechanism is not fully elucidated. Here we indicate that treatment of mice with S1P is connected with an impaired antigen uptake by Langerhans cells (LCs), the initial step of CHS. Most of the known actions of S1P are mediated by a family of five specific G protein-coupled receptors. Our results indicate that S1P inhibits macropinocytosis of the murine LC line XS52 via S1P(2) receptor stimulation followed by a reduced phosphatidylinositol 3-kinase (PI3K) activity. As down-regulation of S1P(2) not only diminished S1P-mediated action but also enhanced the basal activity of LCs on antigen capture, an autocrine action of S1P has been assumed. Actually, S1P is continuously produced by LCs and secreted via the ATP binding cassette transporter ABCC1 to the extracellular environment. Consequently, inhibition of ABCC1, which decreased extracellular S1P levels, markedly increased the antigen uptake by LCs. Moreover, stimulation of sphingosine kinase activity, the crucial enzyme for S1P formation, is connected not only with enhanced S1P levels but also with diminished antigen capture. These results indicate that S1P is essential in LC homeostasis and influences skin immunity. This is of importance as previous reports suggested an alteration of S1P levels in atopic skin lesions.

Indexed as

Administration, TopicalAnimalsAntigensCells, CulturedDermatitis, ContactEndocytosisFemaleHomeostasisLangerhans CellsLysophospholipidsMiceMice, Inbred BALB CPhosphatidylinositol 3-KinasePhosphorylationProto-Oncogene Proteins c-aktReceptors, LysosphingolipidAntigensLysophospholipidsPhosphatidylinositol 3-KinaseProto-Oncogene Proteins c-aktReceptors, LysosphingolipidSphingosinesphingosine 1-phosphate

Identifiers

PMID23145172
PMCPMC3493526
OpenAlexW2160938468

What OpenQuestion holds

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LicenceCC BY
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.