Evidence map›Paper›PMID 12021259›Full record

ArticleThe Journal of cell biology2002

Dual functions of [alpha]4[beta]1 integrin in epicardial development: initial migration and long-term attachment.

Jennifer K Sengbusch, Wei He, Karen A Pinco, Joy T Yang

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of cell biology, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 63 papers.

0numbers the graph read from it
0cells of the map it votes in
63citing papers in PubMed
2.9field-weighted citation impact, top 9% 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

63 citing papers in PubMed, 132 citations in OpenAlex.

  1. Review
  2. Article
  3. Epicardium-myocardium crosstalk orchestrates heart development.Frontiers in cell and developmental biology · 2025
    Review
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Molecular and cellular basis of embryonic cardiac chamber maturation.Seminars in cell & developmental biology · 2021
    Review
  10. Article
  11. Epicardium in Heart Development.Cold Spring Harbor perspectives in biology · 2020
    Review
  12. Review
  13. Covering and Re-Covering the Heart: Development and Regeneration of the Epicardium.Journal of cardiovascular development and disease · 2018
    Review
  14. Review
  15. Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article

3 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

4 authors at 2 institutions in 1 country.

Jennifer K SengbuschDepartment of Cell Biology, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
Wei He
Karen A Pinco
Joy T Yang
Johns Hopkins University · USJohns Hopkins Medicine · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The epicardium of the mammalian heart arises from progenitor cells outside the developing heart. The epicardial progenitor (EPP) cells migrate onto the heart through a cyst-mediated mechanism in which the progenitors are released from the tissue of origin as cysts; the cysts float in the fluid of the pericardial cavity and attach to the naked myocardial surface of the heart, and cells in the cysts then migrate out to form an epithelial sheet. In this paper, we show that the gene encoding the alpha4 subunit of alpha4beta1 integrin (alpha4beta1) is essential for this migratory process. We have generated a knockin mutation in mice replacing the alpha4 integrin gene with the lacZ reporter gene, placing lacZ under the control of the alpha4 integrin promoter. We show that in homozygous mutant embryos, the migration of EPP progenitor cells is impaired due to inefficient budding of the cysts and a failure of the cells in the cysts to migrate on the heart. This study provides direct genetic evidence for essential roles for alpha4beta1 integrin-mediated cell adhesion in the migration of progenitor cells to form the epicardium, in addition to a previous finding that alpha4beta1 is essential for maintaining the epicardium (Yang, J.T., H. Rayburn, and R.O. Hynes. 1995. Development. 121:549-560).

Indexed as

AnimalsBiomarkersCell AdhesionCell MovementFibronectinsGene Expression Regulation, DevelopmentalHomozygoteIntegrin alpha4beta1IntegrinsIn Vitro TechniquesLac OperonMiceMice, Inbred C57BLMice, TransgenicMyocardiumPericardiumBiomarkersFibronectinsIntegrin alpha4beta1IntegrinsReceptors, Lymphocyte HomingVascular Cell Adhesion Molecule-1

Identifiers

PMID12021259
PMCPMC2173412
OpenAlexW2163226372

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
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.