Evidence map›Paper›PMID 17697131›Full record

ArticleCellular microbiology2008

Burkholderia cenocepacia ET12 strain activates TNFR1 signalling in cystic fibrosis airway epithelial cells.

Umadevi S Sajjan, Marc B Hershenson, Janet F Forstner, John J LiPuma

Open access · bronzeAbstract readComparative Study
In one paragraph

Article in Cellular microbiology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
1.5field-weighted citation impact, top 16% 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

15 citing papers in PubMed, 25 citations in OpenAlex.

  1. Conformational states of TNFR1 as a molecular switch for receptor function.Protein science : a publication of the Protein Society · 2020
    Article
  2. Review
  3. Review
  4. Article
  5. Article
  6. Article
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  8. Article
  9. Article
  10. Innate immunity in the respiratory epithelium.American journal of respiratory cell and molecular biology · 2011
    Review
  11. Article
  12. Article
  13. Host evasion by Burkholderia cenocepacia.Frontiers in cellular and infection microbiology · 2011
    Review
  14. Article
  15. 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

4 authors at 1 institution in 1 country.

Umadevi S SajjanDepartment of Pediatrics and Communicable Diseases, University of Michigan Medical School, 1150 W. Medical Center Drive, Ann Arbor, MI 48109, USA. usajjan@umich.edu
Marc B Hershenson
Janet F Forstner
John J LiPuma
University of Michigan–Ann Arbor · US

Funding

Rhinovirus and COPD exacerbationsR01HL082550 · NHLBI · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI HERSHENSON, MARC B. · 2005 to 2009
$1.8M
NHLBI NIH HHS HL82550NHLBI NIH HHS R01 HL082550
6 · The paper itself

Abstract

Burkholderia cenocepacia is an important pulmonary pathogen in individuals with cystic fibrosis (CF). Infection is often associated with severe pulmonary inflammation, and some patients develop a fatal necrotizing pneumonia and sepsis ('cepacia syndrome'). The mechanisms by which this species causes severe pulmonary inflammation are poorly understood. Here, we demonstrate that B. cenocepacia BC7, a potentially virulent representative of the epidemic ET12 lineage, binds to tumour necrosis factor receptor 1 (TNFR1) and activates TNFR1-related signalling pathway similar to TNF-alpha, a natural ligand for TNFR1. This interaction participates in stimulating a robust IL-8 production from CF airway epithelial cells. In contrast, BC45, a less virulent ET12 representative, and ATCC 25416, an environmental B. cepacia strain, do not bind to TNFR1 and stimulate only minimal IL-8 production from CF cells. Further, TNFR1 expression is increased in CF airway epithelial cells compared with non-CF cells. We also show that B. cenocepacia ET12 strain colocaizes with TNFR1 in vitro and in the lungs of CF patients who died due to infection with B. cenocepacia, ET12 strain. Together, these results suggest that interaction of B. cenocepacia, ET12 strain with TNFR1 may contribute to robust inflammatory responses elicited by this organism.

Indexed as

Bacterial AdhesionBurkholderia cepacia complexBurkholderia InfectionsCells, CulturedCystic FibrosisEpithelial CellsHumansInterleukin-8Receptors, Tumor Necrosis Factor, Type IRespiratory MucosaInterleukin-8Receptors, Tumor Necrosis Factor, Type I

Identifiers

PMID17697131
PMCPMC3226749
OpenAlexW2159777745

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.