Evidence map›Paper›PMID 22662206›Full record

ArticlePloS one2012

Lipoxin A4 stimulates calcium-activated chloride currents and increases airway surface liquid height in normal and cystic fibrosis airway epithelia.

Valia Verrière, Gerard Higgins, Mazen Al-Alawi, Richard W Costello, Paul McNally, Raphaël Chiron, Brian J Harvey, Valérie Urbach

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 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed
4.9field-weighted citation impact, top 5% 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

30 citing papers in PubMed, 51 citations in OpenAlex.

  1. Review
  2. Review
  3. Specialized proresolving mediator resolvin E1 corrects the altered cystic fibrosis nasal epithelium cilia beating dynamics.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  4. Review
  5. Review
  6. Hyperinflammation and airway surface liquid dehydration in cystic fibrosis: purinergic system as therapeutic target.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2021
    Review
  7. Review
  8. Review
  9. Review
  10. Review
  11. Article
  12. Review
  13. Specialized Pro-Resolving Lipid Mediators in Cystic Fibrosis.International journal of molecular sciences · 2018
    Review
  14. Review
  15. Article
  16. Article
  17. Review
  18. 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

8 authors at 4 institutions in 2 countries.

Valia VerrièreDepartment of Molecular Medicine, RCSI Education and Research Centre, Beaumont Hospital, Dublin, Ireland.
Gerard Higgins
Mazen Al-Alawi
Richard W Costello
Paul McNally
Raphaël Chiron
Brian J Harvey
Valérie Urbach
Beaumont Hospital · IEChildren's Health Ireland at Crumlin · IEInstitut de Recherche en Cancérologie de Montpellier · FRNational Children’s Research Centre · IE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cystic Fibrosis (CF) is a genetic disease characterised by a deficit in epithelial Cl(-) secretion which in the lung leads to airway dehydration and a reduced Airway Surface Liquid (ASL) height. The endogenous lipoxin LXA(4) is a member of the newly identified eicosanoids playing a key role in ending the inflammatory process. Levels of LXA(4) are reported to be decreased in the airways of patients with CF. We have previously shown that in normal human bronchial epithelial cells, LXA(4) produced a rapid and transient increase in intracellular Ca(2+). We have investigated, the effect of LXA(4) on Cl(-) secretion and the functional consequences on ASL generation in bronchial epithelial cells obtained from CF and non-CF patient biopsies and in bronchial epithelial cell lines. We found that LXA(4) stimulated a rapid intracellular Ca(2+) increase in all of the different CF bronchial epithelial cells tested. In non-CF and CF bronchial epithelia, LXA(4) stimulated whole-cell Cl(-) currents which were inhibited by NPPB (calcium-activated Cl(-) channel inhibitor), BAPTA-AM (chelator of intracellular Ca(2+)) but not by CFTRinh-172 (CFTR inhibitor). We found, using confocal imaging, that LXA(4) increased the ASL height in non-CF and in CF airway bronchial epithelia. The LXA(4) effect on ASL height was sensitive to bumetanide, an inhibitor of transepithelial Cl(-) secretion. The LXA(4) stimulation of intracellular Ca(2+), whole-cell Cl(-) currents, conductances and ASL height were inhibited by Boc-2, a specific antagonist of the ALX/FPR2 receptor. Our results provide, for the first time, evidence for a novel role of LXA(4) in the stimulation of intracellular Ca(2+) signalling leading to Ca(2+)-activated Cl(-) secretion and enhanced ASL height in non-CF and CF bronchial epithelia.

Indexed as

Anti-Inflammatory Agents, Non-SteroidalCalciumChild, PreschoolChloridesCystic FibrosisCystic Fibrosis Transmembrane Conductance RegulatorDose-Response Relationship, DrugEpithelial CellsHumansLipoxinsPrimary Cell CultureReceptors, Formyl PeptideReceptors, LipoxinRespiratory MucosaAnti-Inflammatory Agents, Non-SteroidalCalciumChloridesCystic Fibrosis Transmembrane Conductance RegulatorFPR2 protein, humanlipoxin A4LipoxinsReceptors, Formyl PeptideReceptors, Lipoxin

Identifiers

PMID22662206
PMCPMC3360607
OpenAlexW2104155773

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.