Evidence map›Paper›PMID 16484686›Full record

ArticleAmerican journal of respiratory cell and molecular biology2006

Ciliary beat frequency is maintained at a maximal rate in the small airways of mouse lung slices.

Philippe Delmotte, Michael J Sanderson

Open access · greenAbstract read
In one paragraph

Article in American journal of respiratory cell and molecular biology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 60 papers.

0numbers the graph read from it
0cells of the map it votes in
60citing papers in PubMed
1.5field-weighted citation impact, top 19% 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

60 citing papers in PubMed, 115 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Why Homoscleromorph Sponges Have Ciliated Epithelia: Evidence for an Ancestral Role in Mucociliary Driven Particle Flux.Journal of experimental zoology. Part B, Molecular and developmental evolution · 2025
    Article
  5. Review
  6. Article
  7. Review
  8. Article
  9. Article
  10. Article
  11. Review
  12. Mucociliary clearance is impaired in small airways of cystic fibrosis pigs.American journal of physiology. Lung cellular and molecular physiology · 2024
    Article
  13. Review
  14. Article
  15. Article
  16. Innovative three-dimensional models for understanding mechanisms underlying lung diseases: powerful tools for translational research.European respiratory review : an official journal of the European Respiratory Society · 2023
    Review
  17. Article
  18. Article
  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

2 authors at 1 institution in 1 country.

Philippe DelmotteDepartment of Physiology, University of Massachusetts Medical School, 55 Lake Avenue, North Worcester, MA 01655, USA.
Michael J Sanderson
University of Massachusetts Chan Medical School · US

Funding

The regulation of airway ciliary activityR01HL070882 · NHLBI · UNIV OF MASSACHUSETTS MED SCH WORCESTER · PI SANDERSON, MICHAEL J. · 2002 to 2005
$1.3M
NHLBI NIH HHS HL70882
6 · The paper itself

Abstract

Ciliary beat frequency (CBF) is a key factor in the defense of the airways, and ATP can stimulate CBF by increasing intracellular calcium concentration ([Ca2+]i). However, the regulatory effects of ATP have been mainly studied in cultured or isolated epithelial cells from the large cartilaginous airways. The aim of this study was to evaluate the regulation of CBF in small airways of lung slices that are representative of in vivo tissue. Mice lungs were inflated with agarose and cut into thin slices with a vibratome. CBF in the small bronchioles was observed with differential interference contrast microscopy and quantified using high-speed digital imaging (at 240 images s(-1)). We found that the in situ organization of the ciliated cells was well preserved and that their CBF was high. We verified the fidelity of our recording system by analyzing rapid changes in CBF in response to temperature. However, we found that ATP had no effect on CBF, despite the fact that the [Ca2+]i, measured with confocal fluorescence imaging, was increased. Ionomycin and purinergic or beta-adrenergic agonists also failed to increase CBF. Similar results were obtained in outgrowths of cells cultured from lung slices. By contrast, ATP increased the slower CBF of outgrowths of ciliated cells cultured from tracheal rings. Therefore, we conclude that CBF in intrapulmonary airways of mice is maintained at a maximum rate and cannot be further increased by agonist stimulation. These conditions would ensure that mucociliary clearance is constantly active to provide continuous airway protection.

Indexed as

Adenosine DeaminaseAdenosine TriphosphateAnimalsApyraseCalcium SignalingCells, CulturedCiliaColforsinEpithelial CellsHexokinaseIn Vitro TechniquesIonomycinIsoproterenolLungMiceMice, Inbred BALB CAdenosine DeaminaseAdenosine TriphosphateApyraseColforsinHexokinaseIonomycinIsoproterenol

Identifiers

PMID16484686
PMCPMC2658692
OpenAlexW2066485136

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.