Evidence map›Paper›PMID 18467512›Full record

ArticleAmerican journal of respiratory and critical care medicine2008

Lung fibroblast repair functions in patients with chronic obstructive pulmonary disease are altered by multiple mechanisms.

Shinsaku Togo, Olaf Holz, Xiangde Liu, Hisatoshi Sugiura, Koichiro Kamio, Xiangqi Wang, Shin Kawasaki, Youngsoo Ahn, Karin Fredriksson, C Magnus Skold and 6 more

Open access · greenAbstract read
In one paragraph

Article in American journal of respiratory and critical care medicine, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 107 papers.

0numbers the graph read from it
0cells of the map it votes in
107citing papers in PubMed
9.4field-weighted citation impact, top 2% 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

107 citing papers in PubMed, 201 citations in OpenAlex.

  1. Review
  2. Article
  3. Post-COPD: Can Emphysema Be Repaired?American journal of respiratory and critical care medicine · 2025
    Article
  4. Article
  5. Article
  6. Low Prostaglandin EJournal of clinical medicine · 2024
    Review
  7. Article
  8. Review
  9. Article
  10. Review
  11. Article
  12. Small airway fibroblasts from patients with chronic obstructive pulmonary disease exhibit cellular senescence.American journal of physiology. Lung cellular and molecular physiology · 2024
    Article
  13. Article
  14. Review
  15. Review
  16. Article
  17. Article
  18. Review
  19. Circadian disruption in lung fibroblasts enhances NF-κB activity to exacerbate neutrophil recruitment.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2023
    Article
  20. Extracellular Vesicle-Encapsulated microRNAs as Novel Biomarkers of Lung Health.American journal of respiratory and critical care medicine · 2023
    Article

47 more citing papers are in PubMed but not listed here.

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

16 authors at 4 institutions in 4 countries.

Shinsaku TogoUniversity of Nebraska Medical Center, 985885 Nebraska Medical Center, Omaha, NE 68198-5885, USA.
Olaf Holz
Xiangde Liu
Hisatoshi Sugiura
Koichiro Kamio
Xiangqi Wang
Shin Kawasaki
Youngsoo Ahn
Karin Fredriksson
C Magnus Skold
Kai Christian Mueller
Detlef Branscheid
Lutz Welker
Henrik Watz
Helgo Magnussen
Stephen I Rennard
University of Nebraska Medical Center · USLungenClinic Grosshansdorf · DEKarolinska University Hospital · SEWakayama Medical University · JP

Funding

CYTOKINE MODULATION OF MATRIX REMODELINGR01HL064088 · NHLBI · UNIVERSITY OF NEBRASKA MEDICAL CENTER · PI RENNARD, STEPHEN RENNARD · 1999 to 2002
$767k
NHLBI NIH HHS R01 HL-64088
6 · The paper itself

Abstract

rationaleFibroblasts are believed to be the major cells responsible for the production and maintenance of extracellular matrix. Alterations in fibroblast functional capacity, therefore, could play a role in the pathogenesis of pulmonary emphysema, which is characterized by inadequate maintenance of tissue structure.

objectivesTo evaluate the hypothesis that deficient fibroblast repair characterizes cells obtained from individuals with chronic obstructive pulmonary disease (COPD) compared with control subjects.

methodsFibroblasts were cultured from lung tissue obtained from individuals undergoing thoracotomy and were characterized in vitro. MEASUREMENTS AND MAIN

resultsFibroblasts from individuals with COPD, defined by reduced FEV(1), manifested reduced chemotaxis toward fibronectin and reduced contraction of three-dimensional collagen gels, two bioassays associated with fibroblast repair function. At least two mechanisms appear to account for these differences. Prostaglandin E (PGE), a known inhibitor of fibroblast repair functions, was produced in increased amount by fibroblasts from subjects with COPD, which also expressed increased amounts of the receptors EP2 and EP4, both of which signal through cyclic AMP. Incubation of fibroblasts with indomethacin or with the PKA inhibitor KT-5720 partially restored COPD subject fibroblast function. In addition, fibroblasts from subjects with COPD produced more transforming growth factor (TGF)-beta1, but manifested reduced response to TGF-beta1. The functional alterations in fibroblasts correlated with both lung function assessed by FEV(1) and, for the data available, with severity of emphysema assessed by Dl(CO).

conclusionsFibroblasts from individuals with COPD have reduced capability to sustain tissue repair, which suggests that this may be one mechanism that contributes to the development of emphysema.

Indexed as

AgedCase-Control StudiesCells, CulturedChemotaxisDinoprostoneExtracellular MatrixFemaleFibroblastsHumansMaleMiddle AgedPulmonary Disease, Chronic ObstructiveTransforming Growth Factor beta1DinoprostoneTransforming Growth Factor beta1

Identifiers

PMID18467512
PMCPMC2542423
OpenAlexW2165545983

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.