Cited by 562Cell death mechanisms and regulationNF-κB Signaling PathwaysImmune Response and Inflammation

RIPK1 Blocks Early Postnatal Lethality Mediated by Caspase-8 and RIPK3

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Dillon, Christopher P., Weinlich, Ricardo, Rodriguez, Diego A., Cripps, James G., Quarato, Giovanni, Gurung, Prajwal, Verbist, Katherine C., Brewer, Taylor L. +6 more·2014·Cell

Abstract

Receptor-interacting protein kinase (RIPK)-1 is involved in RIPK3-dependent and -independent signaling pathways leading to cell death and/or inflammation. Genetic ablation of ripk1 causes postnatal lethality, which was not prevented by deletion of ripk3, caspase-8, or fadd. However, animals that lack RIPK1, RIPK3, and either caspase-8 or FADD survived weaning and matured normally. RIPK1 functions in vitro to limit caspase-8-dependent, TNFR-induced apoptosis, and animals lacking RIPK1, RIPK3, and TNFR1 survive to adulthood. The role of RIPK3 in promoting lethality in ripk1(-/-) mice suggests that RIPK3 activation is inhibited by RIPK1 postbirth. Whereas TNFR-induced RIPK3-dependent necroptosis requires RIPK1, cells lacking RIPK1 were sensitized to necroptosis triggered by poly I:C or interferons. Disruption of TLR (TRIF) or type I interferon (IFNAR) signaling delayed lethality in ripk1(-/-)tnfr1(-/-) mice. These results clarify the complex roles for RIPK1 in postnatal life and provide insights into the regulation of FADD-caspase-8 and RIPK3-MLKL signaling by RIPK1.

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Crossref · 10.1016/j.cell.2014.04.018

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  1. Ma Y Temkin V Liu H Pope RM 2005 NF-kappaB protects macrophages from lipopolysaccharide-induced cell death: the role of caspase 8 and receptor-interacting protein The Journal of biological chemistry 280 41827 41834 16246838
  2. Zhang SQ Kovalenko A Cantarella G Wallach D 2000 Recruitment of the IKK signalosome to the p55 TNF receptor: RIP and A20 bind to NEMO (IKKgamma) upon receptor stimulation Immunity 12 301 311 10755617

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Authors
Dillon, C. P., Weinlich, R., Rodriguez, D. A., Cripps, J. G., Quarato, G., Gurung, P., Verbist, K. C., Brewer, T. L., Llambi, F., Gong, Y.-N., Janke, L. J., Kelliher, M. A., Kanneganti, T.-D., & Green, D. R.
Affiliations
  • St. Jude Children's Research Hospital (US)
  • University of Massachusetts Chan Medical School (US)
Corresponding author
Green, Douglas R.
Venue
Cell
Publisher
Elsevier BV
Published
2014-05
Volume
157
Issue
5
Pages
1189-1202
ISSN
0092-8674 (ISSN-L)
OpenAlex
W1987186266
Cited by
562
References
52
Citations by year
2026: 23 · 2025: 46 · 2024: 30 · 2023: 32 · 2022: 46 · 2021: 53 · 2020: 52 · 2019: 50 · 2018: 48 · 2017: 39 · 2016: 69 · 2015: 42 · 2014: 32
FWCI
24.89
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Cancer Institute (R01CA169291, CA169291, P30CA021765)
  • National Institute of Allergy and Infectious Diseases (R01AI044828, AI44828, R01AI075118)
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
RIPK1, RIPK3, caspase-8, FADD, postnatal lethality, necroptosis, apoptosis, TNFR1 signaling, MLKL, type I interferon signaling, TRIF, IFNAR, poly(I:C), inflammation, cell death regulation
MeSH terms
Animals, Animals, Newborn, Embryo, Mammalian, Fibroblasts, Genes, Lethal, Inflammation, Interferons, Mice, Inbred C57BL, Cell Death, Apoptosis, Adaptor Proteins, Vesicular Transport, Receptors, Tumor Necrosis Factor, Type I, Tumor Necrosis Factors, Mice, Caspase 8, Fas-Associated Death Domain Protein, Receptor-Interacting Protein Serine-Threonine Kinases

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