Cited by 42Cell death mechanisms and regulationNF-κB Signaling PathwaysImmune Response and Inflammation

RIP1 kinase activity-dependent roles in embryonic development of Fadd-deficient mice

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Liu, Yongbo, Fan, Cunxian, Zhang, Yifan, Yu, Xianjun, Wu, Xiaoxia, Zhang, Xixi, Zhao, Qun, Zhang, Haiwei +7 more·2017·Cell Death & Differentiation

Abstract

RIP1 is an essential regulator of TNF-induced signaling complexes mediating NF-κB activation, apoptosis and necroptosis. Loss of Rip1 rescues the embryonic lethality of Fadd or Caspase-8-deficient mice, even though the double knockout mice die shortly after birth like Rip1-deficient mice. Recent studies demonstrated that mice expressing RIP1 kinase-dead mutants developed normally and resisted necroptotic stimuli in vitro and in vivo. However, the impact of RIP1 kinase activity on Fadd-/- embryonic development remains unknown. Here, we engineered two RIP1 kinase inactive mutant mouse lines, a Rip1 K45A/K45A mouse line as previously reported and a novel Rip1 Δ/Δ mouse line with an altered P-loop in the kinase domain. While RIP1 K45A could not rescue the embryonic lethality of Fadd-deficient mice at E11.5, RIP1 Δ rescued lethality of Fadd-/- mice at E11.5 and Fadd-/-Rip1 Δ/Δ mice eventually died at E16.5 due to excessive death of fetal liver cells and unregulated inflammation. Under necropotosis-inducing conditions, comparing to Rip1 K45A/K45A cells, Rip1 Δ/Δ cells displayed reduced phosphorylation and oligomerization of RIP3 and MLKL, which lead to increased cell viability. Thus, our study provides genetic evidence that different kinase inactive mutations have distinct impacts on the embryogenesis of Fadd-deficient mice, which might attribute to their extents of protection on necroptosis signaling.

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Crossref · 10.1038/cdd.2017.78

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  • Embryonic lethality imposed on mice by loss of Casp8 or Fadd can be rescued by concurrent ablation of Ripk3 or Mlkl, even though double knockout animals generally display lymphoproliferative and/or systemic autoimmune disorders as adults.

    “Thus, the embryonic lethality imposed on mice by the loss of Casp8 or Fadd can be rescued by concurrent ablation of Ripk3 or Mlkl, even though these double knockout animals generally display lymphoproliferative and/or systemic autoimmune disorders as adults [432, 466, 484, 485].”

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Authors
Liu, Y., Fan, C., Zhang, Y., Yu, X., Wu, X., Zhang, X., Zhao, Q., Zhang, H., Xie, Q., Li, M., Li, X., Ding, Q., Ying, H., Li, D., & Zhang, H.
Affiliations
  • Chinese Academy of Sciences (CN)
  • Shanghai Jiao Tong University (CN)
  • Hubei University of Medicine (CN)
  • Second Military Medical University (CN)
  • East China Normal University (CN)
Corresponding author
  • Zhang, Haiwei
  • Zhang, Haibing
Venue
Cell Death & Differentiation
Published
2017-06-02
Volume
24
Issue
8
Pages
1459-1469
ISSN
  • 1350-9047 (ISSN-L)
  • 1476-5403
OpenAlex
W2620640182
Cited by
42
References
51
Citations by year
2026: 2 · 2025: 1 · 2024: 4 · 2023: 3 · 2022: 6 · 2021: 9 · 2020: 3 · 2019: 7 · 2018: 7
FWCI
1.90
Type
journal article
Language
en
Open access
Locations
  • Cell Death and Differentiation (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Thomas Jefferson University
  • National Natural Science Foundation of China (31571426, 2016YFA0500100)
  • Ministry of Science and Technology of the People's Republic of China (2016YFC1304900, 2016YFA0500100)
  • Directorate for Biological Sciences
  • David Geffen School of Medicine, University of California, Los Angeles
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
Keywords
embryonic lethality, necroptosis, MLKL, kinase-dead mutant, P-loop mutations, uncontrolled inflammation, TNF signaling, apoptosis, embryonic development
MeSH terms
Animals, Embryo, Mammalian, Female, Genes, Lethal, Mutation, Phosphorylation, Pregnancy, Signal Transduction, Mice, Knockout, Gene Expression Regulation, Developmental, GTPase-Activating Proteins, Embryonic Development, Mice, Fas-Associated Death Domain Protein, Receptor-Interacting Protein Serine-Threonine Kinases, Protein Multimerization

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