Evidence map›Paper›PMID 19151317›Full record

ArticleAmerican journal of respiratory cell and molecular biology2009

Airway epithelium stimulates smooth muscle proliferation.

Nikita K Malavia, Christopher B Raub, Sari B Mahon, Matthew Brenner, Reynold A Panettieri, Steven C George

Abstract read
In one paragraph

Article in American journal of respiratory cell and molecular biology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed
–field-weighted citation impact
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

38 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. Review
  5. Article
  6. Article
  7. Review
  8. Article
  9. Review
  10. Passive siRNA transfection method for gene knockdown in air-liquid interface airway epithelial cell cultures.American journal of physiology. Lung cellular and molecular physiology · 2021
    Article
  11. Article
  12. Article
  13. Airway mechanical compression: its role in asthma pathogenesis and progression.European respiratory review : an official journal of the European Respiratory Society · 2020
    Review
  14. Review
  15. Article
  16. Review
  17. Stem cell-based Lung-on-Chips: The best of both worlds?Advanced drug delivery reviews · 2019
    Review
  18. The Aftermath of Bronchoconstriction.Journal of engineering and science in medical diagnostics and therapy · 2019
    Review
  19. Article
  20. Review
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

6 authors.

Nikita K MalaviaDepartment of Chemical, Biochemical Engineering and Material Science,, 3120 Natural Sciences II, University of California, Irvine, Irvine, CA 92697-2715, USA.
Christopher B Raub
Sari B Mahon
Matthew Brenner
Reynold A Panettieri
Steven C George

Funding

Mechanisms of Subepithelial Fibrosis in AsthmaR01HL067954 · NHLBI · UNIVERSITY OF CALIFORNIA-IRVINE · PI GEORGE, STEVEN CARL · 2003 to 2012
$3.7M
Ozone ALTERS Airway Smooth Muscle FUNCTION IN ASTHMAR01HL080676 · NHLBI · UNIVERSITY OF PENNSYLVANIA · PI PANETTIERI, REYNOLD ALEXANDER · 2005 to 2008
$1.8M
Interferons Modulate Airway Smooth Muscle GrowthR01HL081824 · NHLBI · UNIVERSITY OF PENNSYLVANIA · PI PANETTIERI, REYNOLD ALEXANDER · 2005 to 2008
$1.7M
High Resolution Optical Coherence Tomography for Early Airway Cancer DetectionR01CA124967 · NCI · UNIVERSITY OF CALIFORNIA-IRVINE · PI BRENNER, MATTHEW · 2007 to 2011
$1.3M
NCI NIH HHS R01 CA 124967NCI NIH HHS R01 CA124967NHLBI NIH HHS R01 HL067954NHLBI NIH HHS R01 HL080676NHLBI NIH HHS R01 HL081824PHS HHS P30 FS013508
6 · The paper itself

Abstract

Communication between the airway epithelium and stroma is evident during embryogenesis, and both epithelial shedding and increased smooth muscle proliferation are features of airway remodeling. Hence, we hypothesized that after injury the airway epithelium could modulate airway smooth muscle proliferation. Fully differentiated primary normal human bronchial epithelial (NHBE) cells at an air-liquid interface were co-cultured with serum-deprived normal primary human airway smooth muscle cells (HASM) using commercially available Transwells. In some co-cultures, the NHBE were repeatedly (x4) scrape-injured. An in vivo model of tracheal injury consisted of gently denuding the tracheal epithelium (x3) of a rabbit over 5 days and then examining the trachea by histology 3 days after the last injury. Our results show that HASM cell number increases 2.5-fold in the presence of NHBE, and 4.3-fold in the presence of injured NHBE compared with HASM alone after 8 days of in vitro co-culture. In addition, IL-6, IL-8, monocyte chemotactic protein (MCP)-1 and, more markedly, matrix metalloproteinase (MMP)-9 concentration increased in co-culture correlating with enhanced HASM growth. Inhibiting MMP-9 release significantly attenuated the NHBE-dependent HASM proliferation in co-culture. In vivo, the injured rabbit trachea demonstrated proliferation in the smooth muscle (trachealis) region and significant MMP-9 staining, which was absent in the uninjured control. The airway epithelium modulates smooth muscle cell proliferation via a mechanism that involves secretion of soluble mediators including potential smooth muscle mitogens such as IL-6, IL-8, and MCP-1, but also through a novel MMP-9-dependent mechanism.

Indexed as

Cell ProliferationAnimalsCells, CulturedChemokine CCL2Coculture TechniquesEpithelial CellsHumansInterleukin-6Interleukin-8MaleMAP Kinase Signaling SystemMatrix Metalloproteinase 9Mitogen-Activated Protein KinasesMyocytes, Smooth MuscleRabbitsRespiratory MucosaChemokine CCL2Interleukin-6Interleukin-8Matrix Metalloproteinase 9Mitogen-Activated Protein Kinases

Identifiers

PMID19151317
PMCPMC2742749

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.