Evidence map›Paper›PMID 20059994›Full record

ArticleDevelopmental biology2010

Regeneration of oral siphon pigment organs in the ascidian Ciona intestinalis.

Hélène Auger, Yasunori Sasakura, Jean-Stéphane Joly, William R Jeffery

Open access · greenAbstract read
In one paragraph

Article in Developmental biology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
2.5field-weighted citation impact, top 12% 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

23 citing papers in PubMed, 50 citations in OpenAlex.

  1. Integrin-Alpha-6+ Cells Are Responsible for Blastema Formation During Oral Siphon Regeneration in Ciona robusta.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2025
    Article
  2. Article
  3. The salamander blastema within the broader context of metazoan regeneration.Frontiers in cell and developmental biology · 2023
    Review
  4. Article
  5. Review
  6. Studying Regeneration in Ascidians: An Historical Overview.Methods in molecular biology (Clifton, N.J.) · 2022
    Review
  7. Article
  8. Article
  9. Article
  10. Review
  11. Review
  12. Article
  13. Cellular and Molecular Mechanisms of Hydra Regeneration.Results and problems in cell differentiation · 2019
    Review
  14. Article
  15. Article
  16. Article
  17. Journal of cardiovascular development and disease · 2016
    Article
  18. Article
  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

4 authors at 3 institutions in 3 countries.

Hélène AugerINRA MSNC Group, DEPSN, Institut A. Fessard, CNRS, 1 Avenue de la Terrasse, 91198 Gif-Sur-Yvette, France.
Yasunori Sasakura
Jean-Stéphane Joly
William R Jeffery
Centre National de la Recherche Scientifique · FRMarine Biological Laboratory · USUniversity of Tsukuba · JP

Funding

Regulation of Eye Growth and Development by the LensR01EY014619 · NEI · UNIV OF MARYLAND, COLLEGE PARK · PI JEFFERY, WILLIAM R · 2003 to 2012
$3.8M
The Tunicate Ciona: A New Model for the Effects of Aging on Tissue RegenerationR01AG037918 · NIA · UNIV OF MARYLAND, COLLEGE PARK · PI JEFFERY, WILLIAM R · 2010 to 2014
$1.5M
NEI NIH HHS R01 EY014619NIA NIH HHS R01 AG037918
6 · The paper itself

Abstract

Ascidians have powerful capacities for regeneration but the underlying mechanisms are poorly understood. Here we examine oral siphon regeneration in the solitary ascidian Ciona intestinalis. Following amputation, the oral siphon rapidly reforms oral pigment organs (OPO) at its distal margin prior to slower regeneration of proximal siphon parts. The early stages of oral siphon reformation include cell proliferation and re-growth of the siphon nerves, although the neural complex (adult brain and associated organs) is not required for regeneration. Young animals reform OPO more rapidly after amputation than old animals indicating that regeneration is age dependent. UV irradiation, microcautery, and cultured siphon explant experiments indicate that OPOs are replaced as independent units based on local differentiation of progenitor cells within the siphon, rather than by cell migration from a distant source in the body. The typical pattern of eight OPOs and siphon lobes is restored with fidelity after distal amputation of the oral siphon, but as many as 16 OPOs and lobes can be reformed following proximal amputation near the siphon base. Thus, the pattern of OPO regeneration is determined by cues positioned along the proximal distal axis of the oral siphon. A model is presented in which columns of siphon tissue along the proximal-distal axis below pre-existing OPO are responsible for reproducing the normal OPO pattern during regeneration. This study reveals previously unknown principles of oral siphon and OPO regeneration that will be important for developing Ciona as a regeneration model in urochordates, which may be the closest living relatives of vertebrates.

Indexed as

RegenerationAnimalsAnimals, Genetically ModifiedBody PatterningCell DifferentiationCell ProliferationCiona intestinalisMouth

Identifiers

PMID20059994
PMCPMC3581043
OpenAlexW1998695366

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.