Cited by 280NF-κB Signaling PathwaysDNA Repair MechanismsGenomics and Chromatin Dynamics

A Cytoplasmic ATM-TRAF6-cIAP1 Module Links Nuclear DNA Damage Signaling to Ubiquitin-Mediated NF-κB Activation

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Hinz, Michael, Stilmann, Michael, Arslan, Seda Çöl, Khanna, Kum Kum, Dittmar, Gunnar, Scheidereit, Claus·2010·Molecular Cell

Abstract

As part of the genotoxic stress response, cells activate the transcription factor NF-κB. The DNA strand break sensor poly(ADP-ribose)-polymerase-1 (PARP-1) and the kinase ataxia telangiectasia mutated (ATM) act as proximal signal mediators. PARP-1 assembles a nucleoplasmic signalosome, which triggers PIASy-mediated IKKγ SUMOylation. ATM-dependent IKKγ phosphorylation and subsequent ubiquitination were implicated to activate the cytoplasmic IκB kinase (IKK) complex by unknown mechanisms. We show that activated ATM translocates in a calcium-dependent manner to cytosol and membrane fractions. Through a TRAF-binding motif, ATM activates TRAF6, resulting in Ubc13-mediated K63-linked polyubiquitin synthesis and cIAP1 recruitment. The ATM-TRAF6-cIAP1 module stimulates TAB2-dependent TAK1 phosphorylation. Both nuclear PARP-1- and cytoplasmic ATM-driven signaling branches converge at the IKK complex to catalyze monoubiquitination of IKKγ at K285. Our data indicate that exported SUMOylated IKKγ acts as a substrate. IKKγ monoubiquitination is a prerequisite for genotoxic IKK and NF-κB activation, but also promotes cytokine signaling.

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Crossref · 10.1016/j.molcel.2010.09.008

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  • Following DSB induction, activated ATM couples with protein intermediates leading to its cytoplasmic transport and downstream activation of NF-kB.

    “Subsequent studies confirmed that following DSB induction, activated ATM couples with a number of protein intermediates leading to its cytoplasmic transport and downstream activation of NF‐kB (Hinz et al, 2010; Wu et al, 2010; Miyamoto, 2011).”

    From Mechanisms of DNA damage-mediated neurotoxicity in neurodegenerative disease (2022) · cites this paper as Hinz et al, 2010

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Authors
Hinz, M., Stilmann, M., Arslan, S. Ç., Khanna, K. K., Dittmar, G., & Scheidereit, C.
Affiliations
  • Max Delbrück Center (DE)
  • QIMR Berghofer Medical Research Institute (AU)
Corresponding author
Scheidereit, Claus
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2010-10
Volume
40
Issue
1
Pages
63-74
ISSN
1097-2765 (ISSN-L)
OpenAlex
W2083922442
Cited by
280
References
42
Citations by year
2026: 11 · 2025: 7 · 2024: 17 · 2023: 10 · 2022: 19 · 2021: 21 · 2020: 18 · 2019: 13 · 2018: 16 · 2017: 18 · 2016: 9 · 2015: 12 · 2014: 20 · 2013: 21 · 2012: 44
FWCI
8.97
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • PubMed (publishedVersion)
  • MDC Repository (Max-Delbrueck-Center for Molecular Medicine) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
ATM kinase, TRAF6, cIAP1, NF-κB activation, DNA damage signaling, genotoxic stress response, PARP1, K63-linked ubiquitination, Ubc13, SUMOylation, PIASy, TAB2, TAK1, IKK complex
MeSH terms
Poly (ADP-Ribose) Polymerase-1, MAP Kinase Kinase Kinase 7, Calcium, Cell Nucleus, Cytosol, DNA Damage, DNA-Binding Proteins, HeLa Cells, Humans, Mutation, Phosphorylation, Poly(ADP-ribose) Polymerases, Protein Binding, Recombinant Proteins, Time Factors, Transfection, Tumor Necrosis Factor-alpha, Signal Transduction, NF-kappa B, Protein Serine-Threonine Kinases, Cell Cycle Proteins, MAP Kinase Kinase Kinases, Protein Transport, Tumor Suppressor Proteins, Ubiquitin, RNA Interference, Ubiquitin-Conjugating Enzymes, Ubiquitin-Protein Ligases, TNF Receptor-Associated Factor 6, Adaptor Proteins, Signal Transducing, Inhibitor of Apoptosis Proteins, I-kappa B Kinase, DNA Breaks, Double-Stranded, Ubiquitination, Hep G2 Cells, Ataxia Telangiectasia Mutated Proteins

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