Evidence map›Paper›PMID 21131470›Full record

ArticleAmerican journal of respiratory and critical care medicine2011

Segmental allergen challenge alters multimeric structure and function of surfactant protein D in humans.

Elena N Atochina-Vasserman, Carla Winkler, Helen Abramova, Frank Schaumann, Norbert Krug, Andrew J Gow, Michael F Beers, Jens M Hohlfeld

Open access · greenAbstract read
In one paragraph

Article in American journal of respiratory and critical care medicine, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
2.9field-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

23 citing papers in PubMed, 39 citations in OpenAlex.

  1. Article
  2. Article
  3. Observational
  4. Article
  5. Article
  6. Surfactant protein-D modulation of pulmonary macrophage phenotype is controlled byAmerican journal of physiology. Lung cellular and molecular physiology · 2019
    Article
  7. Article
  8. Article
  9. Review
  10. Article
  11. Surfactant dysfunction and lung inflammation in the female mouse model of lymphangioleiomyomatosis.American journal of respiratory cell and molecular biology · 2015
    Article
  12. Radiation-induced lung injury and inflammation in mice: role of inducible nitric oxide synthase and surfactant protein D.Toxicological sciences : an official journal of the Society of Toxicology · 2015
    Article
  13. Eosinophil-associated lung diseases. A cry for surfactant proteins A and D help?American journal of respiratory cell and molecular biology · 2014
    Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Update in asthma 2011.American journal of respiratory and critical care medicine · 2012
    Review
  19. Review
  20. Article
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 5 institutions in 2 countries.

Elena N Atochina-VassermanDepartment of Medicine, University of Pennsylvania School of Medicine, Philadelphia,PA, USA.
Carla Winkler
Helen Abramova
Frank Schaumann
Norbert Krug
Andrew J Gow
Michael F Beers
Jens M Hohlfeld
Fraunhofer Institute for Toxicology and Experimental Medicine · DECalifornia University of Pennsylvania · USMedizinische Hochschule Hannover · DERutgers, The State University of New Jersey · USUniversity of Pennsylvania · US

Funding

Translational Research Support CoreP30ES005022 · NIEHS · UNIV OF MED/DENT NJ-R W JOHNSON MED SCH · PI ROBERT John LAUMBACH · 1988 to 2026
$47.4M
Translational Research Support CoreP30ES013508 · NIEHS · UNIVERSITY OF PENNSYLVANIA · PI Rebecca A Simmons · 2006 to 2026
$35.3M
Models of P. carinii infections SP-A and SP-D null miceR01HL064520 · NHLBI · UNIVERSITY OF PENNSYLVANIA · PI BEERS, MICHAEL FRANCIS · 1999 to 2009
$3.3M
NO-Modified Biomolecules and Pulmonary SignalingR01HL086621 · NHLBI · RUTGERS, THE STATE UNIV OF N.J. · PI GOW, ANDREW J · 2008 to 2016
$2.8M
NHLBI NIH HHS HL-086621NHLBI NIH HHS HL-64520NHLBI NIH HHS R01 HL086621NIEHS NIH HHS P30 ES005022NIEHS NIH HHS P30-ES013508
6 · The paper itself

Abstract

rationaleSurfactant protein D (SP-D), a 43-kD collectin, is synthesized and secreted by airway epithelia as a dodecamer formed by assembly of four trimeric subunits. We have previously shown that the quaternary structure of SP-D can be altered during inflammatory lung injury through its modification by S-nitrosylation, which in turn alters its functional behavior producing a proinflammatory response in effector cells.

objectivesWe hypothesized that alterations in structure and function of SP-D may occur in humans with acute allergic inflammation.

methodsBronchoalveolar lavage (BAL) fluid was collected from 15 nonsmoking patients with mild intermittent allergic asthma before and 24 hours after segmental provocation with saline, allergen, LPS, and mixtures of allergen and LPS. Structural modifications of SP-D were analyzed by native and sodium dodecyl sulfate gel electrophoresis. MEASUREMENTS AND MAIN

resultsThe multimeric structure of native SP-D was found to be disrupted after provocation with allergen or a mixture of allergen and LPS. Interestingly, under reducing conditions, sodium dodecyl sulfate-polyacrylamide gel electrophoresis demonstrated that 7 of 15 patients with asthma developed an abnormal cross-linked SP-D band after segmental challenge with either allergen or a mixture of allergen with LPS but not LPS alone. Importantly, patients with asthma with cross-linked SP-D demonstrated significantly higher levels of BAL eosinophils, nitrogen oxides, IL-4, IL-5, IL-13, and S-nitrosothiol-SP-D compared with patients without cross-linked SP-D.

conclusionsWe conclude that segmental allergen challenge results in changes of SP-D multimeric structure and that these modifications are associated with an altered local inflammatory response in the distal airways.

Indexed as

AdultAllergensAnalysis of VarianceAsthmaBronchial Provocation TestsBronchoalveolar Lavage FluidChemotaxisElectrophoresis, Polyacrylamide GelFemaleHumansImmunoblottingMalePulmonary Surfactant-Associated Protein DReference ValuesRespiratory HypersensitivitySampling StudiesAllergensPulmonary Surfactant-Associated Protein DS-Nitrosothiols

Identifiers

PMID21131470
PMCPMC3086753
OpenAlexW2032532790

What OpenQuestion holds

Textmetadata
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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.