Evidence map›Paper›PMID 19013445›Full record

ArticleDevelopmental biology2009

Notch regulation of progenitor cell behavior in quiescent and regenerating auditory epithelium of mature birds.

Nicolas Daudet, Robin Gibson, Jialin Shang, Amy Bernard, Julian Lewis, Jennifer Stone

Open access · greenAbstract read
In one paragraph

Article in Developmental biology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 64 papers.

0numbers the graph read from it
0cells of the map it votes in
64citing papers in PubMed
2.8field-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

64 citing papers in PubMed, 99 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. Article
  5. Hair Cell Regeneration: From Animals to Humans.Clinical and experimental otorhinolaryngology · 2024
    Review
  6. Review
  7. Article
  8. Review
  9. Article
  10. Review
  11. Article
  12. Review
  13. Article
  14. Article
  15. Article
  16. Gene Therapy for Human Sensorineural Hearing Loss.Frontiers in cellular neuroscience · 2019
    Review
  17. Article
  18. Article
  19. Article
  20. Article

4 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

6 authors at 2 institutions in 2 countries.

Nicolas DaudetVertebrate Development Laboratory, Cancer Research UK, London, UK.
Robin Gibson
Jialin Shang
Amy Bernard
Julian Lewis
Jennifer Stone
University of Washington · USCancer Research UK · GB

Funding

Restoring FMRP Phenotypes Frpm Temporal Regional and Splice- Isoforms VarationsP30HD002274 · NICHD · UNIVERSITY OF WASHINGTON · PI GURALNICK, MICHAEL J · 1985 to 2013
$33.6M
UNIVERSITY OF WASHINGTON RESEARCH CORE CENTERP30DC004661 · NIDCD · UNIVERSITY OF WASHINGTON · PI RAIBLE, DAVID W, STONE, JENNIFER S. · 2000 to 2014
$11.1M
Motley Diversity SupplementR01DC003829 · NIDCD · UNIVERSITY OF WASHINGTON · PI RUBEL, EDWIN W · 1999 to 2014
$6.0M
Hair Cell Regeneration: Molecular RegulationR01DC003696 · NIDCD · UNIVERSITY OF WASHINGTON · PI STONE, JENNIFER S. · 2003 to 2011
$2.5M
HAIR CELL REGENERATION--INTERCELLULAR REGULATIONR29DC003696 · NIDCD · UNIVERSITY OF WASHINGTON · PI STONE, JENNIFER S. · 1998 to 2002
$329k
Hair Cell Regeneration: Molecular RegulationR55DC003696 · NIDCD · UNIVERSITY OF WASHINGTON · PI STONE, JENNIFER S. · 2013 to 2013
$100k
Biotechnology and Biological Sciences Research Council BB/F007175/1Cancer Research UKNICHD NIH HHS HD002274NICHD NIH HHS P30 HD002274NIDCD NIH HHS DC03696NIDCD NIH HHS DC03829NIDCD NIH HHS DC04661NIDCD NIH HHS P30 DC004661NIDCD NIH HHS R01 DC003696NIDCD NIH HHS R01 DC003829NIDCD NIH HHS R29 DC003696NIDCD NIH HHS R55 DC003696
6 · The paper itself

Abstract

Unlike mammals, birds regenerate auditory hair cells (HCs) after injury. During regeneration, mature non-sensory supporting cells (SCs) leave quiescence and convert into HCs, through non-mitotic or mitotic mechanisms. During embryogenesis, Notch ligands from nascent HCs exert lateral inhibition, restricting HC production. Here, we examined whether Notch signaling (1) is needed in mature birds to maintain the HC/SC pattern in the undamaged auditory epithelium or (2) governs SC behavior once HCs are injured. We show that Notch pathway genes are transcribed in the mature undamaged epithelium, and after HC injury, their transcription is upregulated in the region of highest mitotic activity. In vitro treatment with DAPT, an inhibitor of Notch activity, had no effect on SCs in the undamaged epithelium. Following HC damage, DAPT had no direct effect on SC division. However, after damage, DAPT caused excessive regeneration of HCs at the expense of SCs, through both mitotic and non-mitotic mechanisms. Conversely, overexpression of activated Notch in SCs after damage caused them to maintain their phenotype and inhibited HC regeneration. Therefore, signaling through Notch is not required for SC quiescence in the healthy epithelium or to initiate HC regeneration after damage. Rather, Notch prevents SCs from regenerating excessive HCs after damage.

Indexed as

Amyloid Precursor Protein SecretasesAnimalsCell DifferentiationCells, CulturedChickensDipeptidesEpitheliumHair Cells, AuditoryLabyrinth Supporting CellsMitosisReceptors, NotchRegenerationStem CellsTissue Culture TechniquesAmyloid Precursor Protein SecretasesDipeptidesN-(N-(3,5-difluorophenacetyl)alanyl)phenylglycine tert-butyl esterReceptors, Notch

Identifiers

PMID19013445
PMCPMC2660390
OpenAlexW1970288230

What OpenQuestion holds

Textmetadata
LicenceTDM
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.