Evidence map›Paper›PMID 26928963›Full record

ArticleJournal of Crohn's & colitis2016

Eosinophils Contribute to Intestinal Inflammation via Chemoattractant Receptor-homologous Molecule Expressed on Th2 Cells, CRTH2, in Experimental Crohn's Disease.

Balázs Radnai, Eva M Sturm, Angela Stančić, Katharina Jandl, Sandra Labocha, Nerea Ferreirós, Magdalena Grill, Carina Hasenoehrl, Gregor Gorkiewicz, Gunther Marsche and 3 more

Open access · bronzeAbstract read
In one paragraph

Article in Journal of Crohn's & colitis, 2016. 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
4.1field-weighted citation impact, top 7% 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, 32 citations in OpenAlex.

  1. Article
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  6. High PGDBritish journal of cancer · 2022
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  7. Review
  8. Article
  9. Article
  10. Review
  11. Review
  12. Article
  13. Review
  14. Article
  15. Article
  16. Review
  17. The therapeutic potential of CRTH2/DP2 beyond allergy and asthma.Prostaglandins & other lipid mediators · 2017
    Review
  18. The Role of PGEScientific reports · 2017
    Article
  19. Review
  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

13 authors at 2 institutions in 2 countries.

Balázs RadnaiInstitute of Experimental and Clinical Pharmacology, Medical University of Graz, Graz, Austria.
Eva M SturmInstitute of Experimental and Clinical Pharmacology, Medical University of Graz, Graz, Austria.
Angela StančićInstitute of Experimental and Clinical Pharmacology, Medical University of Graz, Graz, Austria.
Katharina JandlInstitute of Experimental and Clinical Pharmacology, Medical University of Graz, Graz, Austria.
Sandra LabochaInstitute of Clinical Pharmacology, Goethe University, Frankfurt/Main, Germany.
Nerea FerreirósInstitute of Clinical Pharmacology, Goethe University, Frankfurt/Main, Germany.
Magdalena GrillInstitute of Experimental and Clinical Pharmacology, Medical University of Graz, Graz, Austria.
Carina HasenoehrlInstitute of Experimental and Clinical Pharmacology, Medical University of Graz, Graz, Austria.
Gregor GorkiewiczInstitute of Pathology, Medical University of Graz, Graz, Austria.
Gunther MarscheInstitute of Experimental and Clinical Pharmacology, Medical University of Graz, Graz, Austria.
Ákos HeinemannInstitute of Experimental and Clinical Pharmacology, Medical University of Graz, Graz, Austria.
Christoph HögenauerDepartment of Internal Medicine, Medical University of Graz, Graz, Austria.
Rudolf SchichoInstitute of Experimental and Clinical Pharmacology, Medical University of Graz, Graz, Austria rudolf.schicho@medunigraz.at.
Medical University of Graz · ATGoethe University Frankfurt · DE

Funding

Austrian Science Fund FWF P 22771Austrian Science Fund FWF P 25633
6 · The paper itself

Abstract

BACKGROUND AND

aimsProstaglandin [PG] D2 activates two receptors, DP and CRTH2. Antagonism of CRTH2 has been shown to promote anti-allergic and anti-inflammatory effects. We investigated whether CRTH2 may play a role in Crohn's disease [CD], focusing on eosinophils which are widely present in the inflamed mucosa of CD patients and express both receptors.

methodsUsing the 2,4,6-trinitrobenzenesulfonic acid [TNBS]-induced colitis model, involvement of CRTH2 in colitis was investigated by pharmacological antagonism, immunohistochemistry, Western blotting, immunoassay, and leukocyte recruitment. Chemotactic assays were performed with isolated human eosinophils. Biopsies and serum samples of CD patients were examined for presence of CRTH2 and ligands, respectively.

resultsHigh amounts of CRTH2-positive cells, including eosinophils, are present in the colonic mucosa of mice with TNBS colitis and in human CD. The CRTH2 antagonist OC-459, but not the DP antagonist MK0524, reduced inflammation scores and decreased TNF-α, IL-1β, and IL-6 as compared with control mice. OC-459 inhibited recruitment of eosinophils into the colon and also inhibited CRTH2-induced chemotaxis of human eosinophils in vitro. Eosinophil-depleted ΔdblGATA knockout mice were less sensitive to TNBS-induced colitis, whereas IL-5 transgenic mice with lifelong eosinophilia were more severely affected than wild types. In addition, we show that serum levels of PGD2 and Δ(12)-PGJ2 were increased in CD patients as compared with control individuals.

conclusionsCRTH2 plays a pro-inflammatory role in TNBS-induced colitis. Eosinophils contribute to the severity of the inflammation, which is improved by a selective CRTH2 antagonist. CRTH2 may, therefore, represent an important target in the pharmacotherapy of CD.

Indexed as

AdultAgedAnimalsBiomarkersBlotting, WesternCase-Control StudiesColitisColonCrohn DiseaseCytokinesEosinophilsFemaleFlow CytometryHumansImmunoassayImmunohistochemistryBiomarkersCytokinesprostaglandin D2 receptorReceptors, ImmunologicReceptors, ProstaglandinTrinitrobenzenesulfonic AcidCrohn′s diseaseCRTH2eosinophils

Identifiers

PMID26928963
PMCPMC4892354
OpenAlexW2290587140

What OpenQuestion holds

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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.