Evidence map›Paper›PMID 24940654›Full record

ArticleThe Journal of investigative dermatology2014

Knockdown of filaggrin in a three-dimensional reconstructed human epidermis impairs keratinocyte differentiation.

Valérie Pendaries, Jeremy Malaisse, Laurence Pellerin, Marina Le Lamer, Rachida Nachat, Sanja Kezic, Anne-Marie Schmitt, Carle Paul, Yves Poumay, Guy Serre and 1 more

Open access · bronzeAbstract 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 54 papers.

0numbers the graph read from it
0cells of the map it votes in
54citing papers in PubMed
9.3field-weighted citation impact, top 2% 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

54 citing papers in PubMed, 138 citations in OpenAlex.

  1. Functional properties and skin care effects of sodium trehalose sulfate.Skin research and technology : official journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI) · 2024
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  12. Advanced In Vitro Three-Dimensional Skin Models of Atopic Dermatitis.Tissue engineering and regenerative medicine · 2023
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  18. Revisiting the Roles of Filaggrin in Atopic Dermatitis.International journal of molecular sciences · 2022
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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

11 authors at 4 institutions in 3 countries.

Valérie PendariesUMR5165 CNRS, Toulouse, France; U1056 INSERM, Toulouse, France; UDEAR, University of Toulouse, Toulouse, France.
Jeremy MalaisseCell and Tissue Laboratory, URPHYM-NARILIS, University of Namur, Namur, Belgium.
Laurence PellerinUMR5165 CNRS, Toulouse, France; U1056 INSERM, Toulouse, France; UDEAR, University of Toulouse, Toulouse, France.
Marina Le LamerUMR5165 CNRS, Toulouse, France; U1056 INSERM, Toulouse, France; UDEAR, University of Toulouse, Toulouse, France.
Rachida NachatUMR5165 CNRS, Toulouse, France; U1056 INSERM, Toulouse, France; UDEAR, University of Toulouse, Toulouse, France.
Sanja KezicAcademic Medical Center, Coronel Institute of Occupational Health, Amsterdam, The Netherlands.
Anne-Marie SchmittPierre Fabre Dermo-Cosmétique, Toulouse, France.
Carle PaulUMR5165 CNRS, Toulouse, France; U1056 INSERM, Toulouse, France; UDEAR, University of Toulouse, Toulouse, France; University Hospital, Toulouse, France.
Yves PoumayCell and Tissue Laboratory, URPHYM-NARILIS, University of Namur, Namur, Belgium.
Guy SerreUMR5165 CNRS, Toulouse, France; U1056 INSERM, Toulouse, France; UDEAR, University of Toulouse, Toulouse, France.
Michel SimonUMR5165 CNRS, Toulouse, France; U1056 INSERM, Toulouse, France; UDEAR, University of Toulouse, Toulouse, France. Electronic address: michel.simon@udear.cnrs.fr.
Centre National de la Recherche Scientifique · FRUniversity of Namur · BEAmsterdam UMC Location University of Amsterdam · NLPierre Fabre (France) · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Atopic dermatitis is a chronic inflammatory skin disorder characterized by defects in the epidermal barrier and keratinocyte differentiation. The expression of filaggrin, a protein thought to have a major role in the function of the epidermis, is downregulated. However, the impact of this deficiency on keratinocytes is not really known. This was investigated using lentivirus-mediated small-hairpin RNA interference in a three-dimensional reconstructed human epidermis (RHE) model, in the absence of other cell types than keratinocytes. Similar to what is known for atopic skin, the experimental filaggrin downregulation resulted in hypogranulosis, a disturbed corneocyte intracellular matrix, reduced amounts of natural moisturizing factor components, increased permeability and UV-B sensitivity of the RHE, and impaired keratinocyte differentiation at the messenger RNA and protein levels. In particular, the amounts of two filaggrin-related proteins and one protease involved in the degradation of filaggrin, bleomycin hydrolase, were lower. In addition, caspase-14 activation was reduced. These results demonstrate the importance of filaggrin for the stratum corneum properties/functions. They indicate that filaggrin downregulation in the epidermis of atopic patients, either acquired or innate, may be directly responsible for some of the disease-related alterations in the epidermal differentiation program and epidermal barrier function.

Indexed as

AdolescentAdultCase-Control StudiesCaspase 14Cell DifferentiationCell Membrane PermeabilityCells, CulturedDermatitis, AtopicDown-RegulationEpidermisFemaleFilaggrin ProteinsGene Knockdown TechniquesHumansIntermediate Filament ProteinsKeratinocytesCaspase 14Filaggrin ProteinsFLG protein, humanIntermediate Filament ProteinsRNA, Small Interfering

Identifiers

PMID24940654
OpenAlexW2029563065

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.