Evidence map›Paper›PMID 24121403›Full record

ArticleThe Journal of investigative dermatology2014

Skin fragility and impaired desmosomal adhesion in mice lacking all keratins.

Janina Bär, Vinod Kumar, Wera Roth, Nicole Schwarz, Miriam Richter, Rudolf E Leube, Thomas M Magin

Abstract read
PubMed Publisher
In one paragraph

Article in The Journal of investigative dermatology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
2.8field-weighted citation impact, top 11% 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

25 citing papers in PubMed, 50 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Article
  5. Review
  6. Article
  7. Article
  8. The desmosome as a model for lipid raft driven membrane domain organization.Biochimica et biophysica acta. Biomembranes · 2020
    Review
  9. Article
  10. Melanoma in the Eyes of Mechanobiology.Frontiers in cell and developmental biology · 2020
    Review
  11. Article
  12. Review
  13. Article
  14. Article
  15. Epidermolytic Ichthyosis Sine Epidermolysis.The American Journal of dermatopathology · 2017
    Article
  16. Review
  17. Review
  18. Article
  19. Intermediate filament dynamics: What we can see now and why it matters.BioEssays : news and reviews in molecular, cellular and developmental biology · 2016
    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

7 authors at 3 institutions in 1 country.

Janina BärTranslational Center for Regenerative Medicine and Institute of Biology, University of Leipzig, Leipzig, Germany.
Vinod KumarTranslational Center for Regenerative Medicine and Institute of Biology, University of Leipzig, Leipzig, Germany.
Wera RothGerman Center for Neurodegenerative Diseases, Bonn, Germany.
Nicole SchwarzInstitute of Molecular and Cellular Anatomy, RWTH Aachen University, Aachen, Germany.
Miriam RichterTranslational Center for Regenerative Medicine and Institute of Biology, University of Leipzig, Leipzig, Germany.
Rudolf E LeubeInstitute of Molecular and Cellular Anatomy, RWTH Aachen University, Aachen, Germany.
Thomas M MaginTranslational Center for Regenerative Medicine and Institute of Biology, University of Leipzig, Leipzig, Germany. Electronic address: thomas.magin@trm.uni-leipzig.de.
Leipzig University · DERWTH Aachen University · DEGerman Center for Neurodegenerative Diseases · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Keratins perform major structural and regulatory functions in epithelia. Owing to redundancy, their respective contribution to epidermal integrity, adhesion, and cell junction formation has not been addressed in full. Unexpectedly, the constitutive deletion of type II keratins in mice was embryonic lethal ∼ E9.5 without extensive tissue damage. This prompted us to analyze keratin functions in skin where keratins are best characterized. Here, we compare the mosaic and complete deletion of all type II keratins in mouse skin, with distinct consequences on epidermal integrity, adhesion, and organismal survival. Mosaic knockout (KO) mice survived ∼ 12 days while global KO mice died perinatally because of extensive epidermal damage. Coinciding with absence of keratins, epidermal fragility, inflammation, increased epidermal thickness, and increased proliferation were noted in both strains of mice, accompanied by significantly smaller desmosomes. Decreased desmosome size was due to accumulation of desmosomal proteins in the cytoplasm, causing intercellular adhesion defects resulting in intercellular splits. Mixing different ratios of wild-type and KO keratinocytes revealed that ∼ 60% of keratin-expressing cells were sufficient to maintain epithelial sheets under stress. Our data reveal a major contribution of keratins to the maintenance of desmosomal adhesion and epidermal integrity with relevance for the treatment of epidermolysis bullosa simplex and other keratinopathies.

Indexed as

Gene Expression Regulation, DevelopmentalAnimalsCell AdhesionCell MembraneCytoplasmDesmosomesDisease Models, AnimalEpidermisEpidermolysis Bullosa SimplexEpitheliumGene DeletionKeratinocytesKeratins, Type IIMiceMice, KnockoutMosaicismKeratins, Type II

Identifiers

PMID24121403
OpenAlexW2018951971

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.