Cited by 283Ubiquitin and proteasome pathwaysNF-κB Signaling PathwaysProtein Degradation and Inhibitors

CYLD, A20 and OTULIN deubiquitinases in NF-κB signaling and cell death: so similar, yet so different

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Lork, Marie, Verhelst, Kelly, Beyaert, Rudi·2017·Cell Death & Differentiation

Abstract

Polyubiquitination of proteins has a pivotal role in the regulation of numerous cellular functions such as protein degradation, DNA repair and cell signaling. As deregulation of these processes can result in pathological conditions such as inflammatory diseases, neurodegeneration or cancer, tight regulation of the ubiquitin system is of tremendous importance. Ubiquitination by E3 ubiquitin ligases can be counteracted by the activity of several deubiquitinating enzymes (DUBs). CYLD, A20 and OTULIN have been implicated as key DUBs in the negative regulation of NF-κB transcription factor-mediated gene expression upon stimulation of cytokine receptors, antigen receptors and pattern recognition receptors, by removing distinct types of polyubiquitin chains from specific NF-κB signaling proteins. In addition, they control TNF-induced cell death signaling leading to apoptosis and necroptosis via similar mechanisms. In the case of A20, also catalytic-independent mechanisms of action have been demonstrated to have an important role. CYLD, A20 and OTULIN have largely overlapping substrates, suggesting at least partially redundant functions. However, mice deficient in one of the three DUBs show significant phenotypic differences, indicating also non-redundant functions. Here we discuss the activity and polyubiquitin chain-type specificity of CYLD, A20 and OTULIN, their specific role in NF-κB signaling and cell death, the molecular mechanisms that regulate their activity, their role in immune homeostasis and the association of defects in their activity with inflammation, autoimmunity and cancer.

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Authors
Lork, M., Verhelst, K., & Beyaert, R.
Affiliations
Ghent University (BE)
Corresponding author
Beyaert, Rudi
Venue
Cell Death & Differentiation
Published
2017-03-31
Volume
24
Issue
7
Pages
1172-1183
ISSN
  • 1350-9047 (ISSN-L)
  • 1476-5403
OpenAlex
W2600455045
Cited by
282
References
136
Citations by year
2026: 26 · 2025: 18 · 2024: 37 · 2023: 27 · 2022: 33 · 2021: 51 · 2020: 33 · 2019: 21 · 2018: 22 · 2017: 14
FWCI
2.30
Type
journal article
Language
en
Open access
Locations
  • Cell Death and Differentiation (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Ghent University Academic Bibliography (Ghent University) (submittedVersion)
Funders
  • Fonds Wetenschappelijk Onderzoek
  • Vlaamse regering
  • Fondation contre le Cancer
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ubiquitin and proteasome pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Degradation and Inhibitors
Keywords
CYLD, A20, OTULIN, deubiquitinase, NF-κB signaling, TNF-induced cell death, apoptosis, necroptosis, E3 ubiquitin ligase, immune homeostasis, inflammation, autoimmunity, cancer, ubiquitination
MeSH terms
Deubiquitinating Enzymes, Animals, Humans, Models, Biological, Signal Transduction, NF-kappa B, Cell Death, Ubiquitination

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