Cited by 277NF-κB Signaling PathwaysImmune Response and InflammationNatural Compounds in Disease Treatment

Ubiquitination of RIP Is Required for Tumor Necrosis Factor α-induced NF-κB Activation

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Li, Hongxiu, Kobayashi, Masayuki, Blonska, Marzenna, You, Yun, Lin, Xin·2006·Journal of Biological Chemistry

Abstract

Stimulation of cells with tumor necrosis factor (TNFalpha) triggers a recruitment of various signaling molecules, such as RIP, to the TNFalpha receptor 1 complex, leading to activation of NF-kappaB. Previous studies indicate that RIP plays an essential role for TNFalpha-induced NF-kappaB activation, but the molecular mechanism by which RIP mediates TNFalpha signals to activate NF-kappaB is not fully defined. Earlier studies suggest that RIP undergoes a ligand-dependent ubiquitination. However, it remains to be determined whether the ubiquitination of RIP is required for TNFalpha-induced NF-kappaB activation. In this study, we have identified Lys377 of RIP as the functional ubiquitination site, because mutating this residue to arginine completely abolished RIP-mediated NF-kappaB activation. The K377R mutation of RIP cannot undergo ligand-dependent ubiquitination and fails to recruit its downstream signaling components into the TNFalpha receptor 1 complex. Together, our studies provide the first genetic evidence that the ubiquitination of RIP is required for TNFalpha-induced NF-kappaB activation.

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  • TNFR1 activation can have diverse outcomes depending on variables such as post-translational modification status of RIPK1, which impacts assembly of pro-survival vs pro-death signaling complexes.

    “In particular, TNFR1 activation can have diverse outcomes depending on multiple variables, such as the post-translational modification status of RIPK1, which has a direct impact on the assembly of pro-survival vs. pro-death signaling complexes [323–325].”

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Authors
Li, H., Kobayashi, M., Blonska, M., You, Y., & Lin, X.
Affiliations
The University of Texas MD Anderson Cancer Center (US)
Corresponding author
Lin, Xin
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2006-05
Volume
281
Issue
19
Pages
13636-13643
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2124249714
Cited by
277
References
25
Citations by year
2026: 11 · 2025: 10 · 2024: 10 · 2023: 12 · 2022: 13 · 2021: 17 · 2020: 11 · 2019: 8 · 2018: 10 · 2017: 14 · 2016: 10 · 2015: 16 · 2014: 13 · 2013: 11 · 2012: 14
FWCI
8.90
Type
journal article
Language
en
Open access
Locations
  • Journal of Biological Chemistry (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of General Medical Sciences (GM065899)
  • National Institute of Allergy and Infectious Diseases (AI058048)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Health Sciences › Medicine › Complementary and alternative medicine › Natural Compounds in Disease Treatment
Keywords
RIP, ubiquitination, TNF-α, NF-κB activation, ubiquitination sites, signal transduction
MeSH terms
Amino Acid Sequence, Binding Sites, Gene Expression Regulation, Humans, Molecular Sequence Data, Mutation, Tumor Necrosis Factor-alpha, Signal Transduction, NF-kappa B, Protein Serine-Threonine Kinases, Jurkat Cells, Amino Acid Substitution, Ubiquitin, Receptors, Tumor Necrosis Factor, Type I, Tumor Necrosis Factor Receptor-Associated Peptides and Proteins, Receptor-Interacting Protein Serine-Threonine Kinases

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