Evidence map›Paper›PMID 23284737›Full record

ArticlePloS one2012

Heterologous SUMO-2/3-ubiquitin chains optimize IκBα degradation and NF-κB activity.

Fabienne Aillet, Fernando Lopitz-Otsoa, Isabel Egaña, Roland Hjerpe, Paul Fraser, Ron T Hay, Manuel S Rodriguez, Valérie Lang

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.

0numbers the graph read from it
0cells of the map it votes in
39citing papers in PubMed
2.3field-weighted citation impact, top 12% 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

39 citing papers in PubMed, 58 citations in OpenAlex.

  1. Review
  2. Review
  3. Article
  4. SUMOylation protects against sepsis-associated acute kidney injury by stabilizing IκBα.Molecular therapy : the journal of the American Society of Gene Therapy · 2026
    Article
  5. The role of SUMOylation in epithelial-mesenchymal transition.Journal of molecular medicine (Berlin, Germany) · 2025
    Review
  6. The impact of dysregulation SUMOylation on prostate cancer.Journal of translational medicine · 2025
    Review
  7. Review
  8. Review
  9. Review
  10. Review
  11. Article
  12. TheCells · 2022
    Article
  13. Article
  14. Review
  15. Article
  16. Post-translational Modifications of IκBα: The State of the Art.Frontiers in cell and developmental biology · 2020
    Review
  17. Review
  18. Article
  19. Article
  20. Review
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

8 authors at 4 institutions in 3 countries.

Fabienne AilletProteomics Unit, CIC bioGUNE, CIBERehd, Derio, Bizkaia, Spain.
Fernando Lopitz-Otsoa
Isabel Egaña
Roland Hjerpe
Paul Fraser
Ron T Hay
Manuel S Rodriguez
Valérie Lang
Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas · ESCIC bioGUNE · ESUniversity of Dundee · GBUniversity of Toronto · CA

Funding

Canadian Institutes of Health Research
6 · The paper itself

Abstract

The NF-κB pathway is regulated by SUMOylation at least at three levels: the inhibitory molecule IκBα, the IKK subunit γ/NEMO and the p52 precursor p100. Here we investigate the role of SUMO-2/3 in the degradation of IκBα and activation of NF-κB mediated by TNFα. We found that under conditions of deficient SUMOylation, an important delay in both TNFα-mediated proteolysis of IκBα and NF-κB dependent transcription occurs. In vitro and ex vivo approaches, including the use of ubiquitin-traps (TUBEs), revealed the formation of chains on IκBα containing SUMO-2/3 and ubiquitin after TNFα stimulation. The integration of SUMO-2/3 appears to promote the formation of ubiquitin chains on IκBα after activation of the TNFα signalling pathway. Furthermore, heterologous chains of SUMO-2/3 and ubiquitin promote a more efficient degradation of IκBα by the 26S proteasome in vitro compared to chains of either SUMO-2/3 or ubiquitin alone. Consistently, Ubc9 silencing reduced the capture of IκBα modified with SUMO-ubiquitin hybrid chains that display a defective proteasome-mediated degradation. Thus, hybrid SUMO-2/3-ubiquitin chains increase the susceptibility of modified IκBα to the action of 26S proteasome, contributing to the optimal control of NF-κB activity after TNFα-stimulation.

Indexed as

CytoplasmHeLa CellsHumansI-kappa B ProteinsNF-kappa BNF-KappaB Inhibitor alphaPhosphorylationProteasome Endopeptidase ComplexProteolysisSignal TransductionSmall Ubiquitin-Related Modifier ProteinsSumoylationTumor Necrosis Factor-alphaUbiquitinUbiquitin-Conjugating EnzymesUbiquitin-Conjugating Enzyme UBC9I-kappa B ProteinsNF-kappa BNF-KappaB Inhibitor alphaNFKBIA protein, humanProteasome Endopeptidase ComplexSmall Ubiquitin-Related Modifier ProteinsSUMO2 protein, humanSUMO3 protein, humanTumor Necrosis Factor-alphaUbiquitinUbiquitin-Conjugating EnzymesUbiquitin-Conjugating Enzyme UBC9Ubiquitins

Identifiers

PMID23284737
PMCPMC3527444
OpenAlexW2050968102

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.