Evidence map›Paper›PMID 15272390›Full record

ReviewThe International journal of developmental biology2004

Evo-Devo of amniote integuments and appendages.

Ping Wu, Lianhai Hou, Maksim Plikus, Michael Hughes, Jeffrey Scehnet, Sanong Suksaweang, Randall Widelitz, Ting-Xin Jiang, Cheng-Ming Chuong

Abstract readComparative StudyReview
In one paragraph

Review in The International journal of developmental biology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 98 papers.

0numbers the graph read from it
0cells of the map it votes in
98citing papers in PubMed
3.3field-weighted citation impact, top 8% 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

98 citing papers in PubMed, 184 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Review
  5. Review
  6. Effects of snake fungal disease (ophidiomycosis) on the skin microbiome across two major experimental scales.Conservation biology : the journal of the Society for Conservation Biology · 2025
    Article
  7. Article
  8. Review
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Evo Devo of the Vertebrates Integument.Journal of developmental biology · 2023
    Review
  18. A shark-inspired general model of tooth morphogenesis unveils developmental asymmetries in phenotype transitions.Proceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  19. Article
  20. Introduction to the Development of Skin in Vertebrates.Journal of developmental biology · 2023
    Article

38 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

9 authors at 4 institutions in 2 countries.

Ping WuDepartment of Pathology, University of Southern California, Los Angeles, CA, USA.
Lianhai Hou
Maksim Plikus
Michael Hughes
Jeffrey Scehnet
Sanong Suksaweang
Randall Widelitz
Ting-Xin Jiang
Cheng-Ming Chuong
University of Southern California · USSouthern California University for Professional Studies · USInstitute of Clinical Research · USInstitute of Vertebrate Paleontology and Paleoanthropology · CN

Funding

Size regulation of skin appendagesR01AR047364 · NIAMS · UNIVERSITY OF SOUTHERN CALIFORNIA · PI Cheng-Ming Chuong · 2002 to 2026
$10.1M
LIW5R01AR042177 · NIAMS · UNIVERSITY OF SOUTHERN CALIFORNIA · PI CHUONG, CHENG-MING · 1995 to 2013
$5.7M
NIAMS NIH HHS R01 AR042177NIAMS NIH HHS R01 AR047364
6 · The paper itself

Abstract

Integuments form the boundary between an organism and the environment. The evolution of novel developmental mechanisms in integuments and appendages allows animals to live in diverse ecological environments. Here we focus on amniotes. The major achievement for reptile skin is an adaptation to the land with the formation of a successful barrier. The stratum corneum enables this barrier to prevent water loss from the skin and allowed amphibian / reptile ancestors to go onto the land. Overlapping scales and production of beta-keratins provide strong protection. Epidermal invagination led to the formation of avian feather and mammalian hair follicles in the dermis. Both adopted a proximal - distal growth mode which maintains endothermy. Feathers form hierarchical branches which produce the vane that makes flight possible. Recent discoveries of feathered dinosaurs in China inspire new thinking on the origin of feathers. In the laboratory, epithelial - mesenchymal recombinations and molecular mis-expressions were carried out to test the plasticity of epithelial organ formation. We review the work on the transformation of scales into feathers, conversion between barbs and rachis and the production of "chicken teeth". In mammals, tilting the balance of the BMP pathway in K14 noggin transgenic mice alters the number, size and phenotypes of different ectodermal organs, making investigators rethink the distinction between morpho-regulation and pathological changes. Models on the evolution of feathers and hairs from reptile integuments are discussed. A hypothetical Evo-Devo space where diverse integument appendages can be placed according to complex phenotypes and novel developmental mechanisms is presented.

Indexed as

Biological EvolutionGrowth and DevelopmentAnimalsIntegumentary SystemMorphogenesisVertebrates

Identifiers

PMID15272390
PMCPMC4386668
OpenAlexW2137293965

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.