Evidence map›Paper›PMID 23614662›Full record

ArticleAmerican journal of respiratory and critical care medicine2013

Regulation and function of epithelial secreted phospholipase A2 group X in asthma.

Teal S Hallstrand, Ying Lai, William A Altemeier, Cara L Appel, Brian Johnson, Charles W Frevert, Kelly L Hudkins, James G Bollinger, Prescott G Woodruff, Dallas M Hyde and 2 more

Open access · greenAbstract read
In one paragraph

Article in American journal of respiratory and critical care medicine, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
2.8field-weighted citation impact, top 9% 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

29 citing papers in PubMed, 44 citations in OpenAlex.

  1. High levels of eicosanoids and docosanoids in the lungs of intubated COVID-19 patients.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2021
    Trial
  2. Trial
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  5. Article
  6. The investigation of the role of oral-originatedFrontiers in microbiology · 2024
    Article
  7. Review
  8. Article
  9. Article
  10. Article
  11. The Use of Quantitative Digital Pathology to Measure Proteoglycan and Glycosaminoglycan Expression and Accumulation in Healthy and Diseased Tissues.The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society · 2021
    Review
  12. The Intricate Web of Phospholipase AAmerican journal of respiratory cell and molecular biology · 2020
    Article
  13. Article
  14. Secreted Phospholipase AJournal of immunology (Baltimore, Md. : 1950) · 2020
    Article
  15. Article
  16. Function of secreted phospholipase ABiochimica et biophysica acta. Molecular and cell biology of lipids · 2019
    Review
  17. Harmful and protective roles of group V phospholipase ABiochimica et biophysica acta. Molecular and cell biology of lipids · 2019
    Review
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

12 authors at 3 institutions in 2 countries.

Teal S HallstrandDepartment of Medicine, University ofWashington, Seattle, WA, USA. tealh@u.washington.edu
Ying Lai
William A Altemeier
Cara L Appel
Brian Johnson
Charles W Frevert
Kelly L Hudkins
James G Bollinger
Prescott G Woodruff
Dallas M Hyde
William R Henderson
Michael H Gelb
University of Washington · USInstitute of Cell Biology and Neurobiology · ITUniversity of California, San Francisco · US

Funding

National Institute on Aging (NIA) ColonyP51OD011107 · OD · UNIVERSITY OF CALIFORNIA AT DAVIS · PI Simon J. Atkinson · 2012 to 2026
$191.5M
Thymic Stromal Lymphopoietin (TSLP) and Lung Inflammation and ImmP01HL098067 · NHLBI · BENAROYA RESEARCH INST AT VIRGINIA MASON · PI ZIEGLER, STEVEN F · 2010 to 2014
$13.5M
Biochemical Studies of 14-kDa Phospholipases A2R37HL036235 · NHLBI · UNIVERSITY OF WASHINGTON · PI GELB, MICHAEL H · 2007 to 2016
$4.1M
Secretory Phospholipase A2s in Airway PathophysiologyR01HL089215 · NHLBI · UNIVERSITY OF WASHINGTON · PI HALLSTRAND, TEAL S · 2008 to 2017
$4.0M
NHLBI NIH HHS P01 HL098067NHLBI NIH HHS P01HL098067NHLBI NIH HHS R01 HL089215NHLBI NIH HHS R01HL089215NHLBI NIH HHS R37 HL036235NHLBI NIH HHS R37HL036235NIH HHS P51 OD011107
6 · The paper itself

Abstract

rationaleIndirect airway hyperresponsiveness (AHR) is a fundamental feature of asthma that is manifest as exercise-induced bronchoconstriction (EIB). Secreted phospholipase A2 group X (sPLA2-X) plays a key role in regulating eicosanoid formation and the development of inflammation and AHR in murine models.

objectivesWe sought to examine sPLA2-X in the airway epithelium and airway wall of patients with asthma, the relationship to AHR in humans, and the regulation and function of sPLA2-X within the epithelium.

methodsWe precisely phenotyped 34 patients with asthma (19 with and 15 without EIB) and 10 normal control subjects to examine in vivo differences in epithelial gene expression, quantitative morphometry of endobronchial biopsies, and levels of secreted protein. The regulation of sPLA2-X gene (PLA2G10) expression was examined in primary airway epithelial cell cultures. The function of epithelial sPLA2-X in eicosanoid formation was examined using PLA2 inhibitors and murine tracheal epithelial cells with Pla2g10 deletion. MEASUREMENTS AND MAIN

resultsWe found that sPLA2-X protein is increased in the airways of patients with asthma and that epithelial-derived sPLA2-X may be increased in association with indirect AHR. The expression of sPLA2-X increases during in vitro epithelial differentiation; is regulated by inflammatory signals including tumor necrosis factor, IL-13, and IL-17; and is both secreted from the epithelium and directly participates in the release of arachidonic acid by epithelial cells.

conclusionsThese data reveal a relationship between epithelial-derived sPLA2-X and indirect AHR in asthma and that sPLA2-X serves as an epithelial regulator of inflammatory eicosanoid formation. Therapies targeting epithelial sPLA2-X may be useful in asthma.

Indexed as

AdolescentAdultAnimalsAsthmaAsthma, Exercise-InducedBronchial HyperreactivityEnzyme-Linked Immunosorbent AssayEpithelial CellsFemaleGene ExpressionGroup X Phospholipases A2HumansMaleMiceMice, Inbred C57BLMiddle AgedGroup X Phospholipases A2

Identifiers

PMID23614662
PMCPMC3735246
OpenAlexW2092234092

What OpenQuestion holds

Textmetadata
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.