Evidence map›Paper›PMID 21628458›Full record

ArticleThe Journal of biological chemistry2011

Tumor necrosis factor α-mediated induction of interleukin 17C in human keratinocytes is controlled by nuclear factor κB.

Claus Johansen, Jette L Riis, Anne Gedebjerg, Knud Kragballe, Lars Iversen

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed
2.2field-weighted citation impact, top 13% 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

30 citing papers in PubMed, 63 citations in OpenAlex.

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  18. Gene Variant in the NF-BioMed research international · 2019
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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

5 authors at 1 institution in 1 country.

Claus JohansenDepartment of Dermatology, Aarhus University Hospital, DK-8000 Aarhus C, Denmark. claus.johansen@ki.au.dk
Jette L Riis
Anne Gedebjerg
Knud Kragballe
Lars Iversen
Aarhus University Hospital · DK

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

IL-17C is a member of the IL-17 family of cytokines. The expression of IL-17C has been demonstrated to be strongly induced by TNFα in human keratinocytes, and recently the level of IL-17C was found to be increased in the inflammatory skin disease psoriasis. However, little is known about the molecular mechanisms involved in the regulation of IL-17C. Here, we show that pretreatment of cultured human keratinocytes with the inhibitor of κB kinase 2 inhibitor, SC-514, resulted in a significant reduction in both IL-17C mRNA and protein expression, indicating the significance of this pathway in the regulation of IL-17C. NF-κB binding sites were identified upstream from the IL-17C gene, and by electrophoretic mobility shift assay NF-κB was shown to bind to all three identified binding sites. Moreover, NF-κB binding to these sites was inducible by TNFα. Supershift analysis revealed binding of the NF-κB subunits p65 and p50 to all three NF-κB binding sites. To determine the contribution of NF-κB in IL-17C expression, we conducted luciferase gene reporter experiments and demonstrated that a 3204-bp promoter fragment of IL-17C containing three putative NF-κB binding sites was strongly activated by TNFα. Interestingly, mutations of the three NF-κB binding sites revealed that one specific NF-κB binding site was crucial for the TNFα-mediated IL-17C induction because mutation of this specific site completely abolished TNFα-induced IL-17C promoter activation. We conclude that the activation of NF-κB (p65/p50) is crucial for the TNFα-induced stimulation of IL-17C expression in human keratinocytes.

Indexed as

AdultBase SequenceBinding SitesCells, CulturedDNAHumansInterleukin-17KeratinocytesNF-kappa B p50 SubunitOligodeoxyribonucleotidesPromoter Regions, GeneticSignal TransductionThiophenesTranscriptional ActivationTranscription Factor RelATumor Necrosis Factor-alphaDNAInterleukin-17NF-kappaB decoyNF-kappa B p50 SubunitOligodeoxyribonucleotidesSC 514ThiophenesTranscription Factor RelATumor Necrosis Factor-alpha

Identifiers

PMID21628458
PMCPMC3138275
OpenAlexW2025447458

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.