Cited by 291Cell death mechanisms and regulationImmune Response and InflammationNF-κB Signaling Pathways

RIP1 suppresses innate immune necrotic as well as apoptotic cell death during mammalian parturition

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Kaiser, William J., Daley-Bauer, Lisa P., Thapa, Roshan J., Mandal, Pratyusha, Berger, Scott B., Huang, Chunzi, Sundararajan, Aarthi, Guo, Hongyan +6 more·2014·Proceedings of the National Academy of Sciences

Abstract

Significance: The protein kinase receptor interacting protein 1 controls signaling via death receptors, Toll-like receptors, and retinoic acid-inducible gene 1-like receptors, dictating inflammatory outcomes as broad as cytokine activation and cell death. RIP1 makes a vital contribution during development, evident from the fact that RIP1-deficient mice die soon after birth. Here, we show that a kinase-independent function of RIP1 dampens the consequences of innate immune cell death. During parturition, RIP1 prevents the lethal consequences of RIP3-dependent necroptosis as well as caspase 8 (Casp8)-dependent apoptosis. In contrast to the RIP1-deficient phenotype, mice lacking a combination of RIP1, RIP3, and Casp8 are born and mature into viable, fertile, and immunocompetent adults. These results demonstrate the important protective role of RIP1 against physiologic and microbial death cues encountered at birth.

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Crossref · 10.1073/pnas.1401857111

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  • Ripk1−/− cells display increased sensitivity to necroptosis and/or extrinsic apoptosis induced by a set of innate immune stimuli.

    “Moreover, Ripk1−/− cells display increased sensitivity to necroptosis and/or extrinsic apoptosis induced by a set of innate immune stimuli [499].”
  • Pro-survival role of RIPK1 in development seems independent of both its kinase activity and RIPK3 binding, as mice expressing kinase-dead RIPK1 (e.g., RIPK1K45A) are viable and fertile.

    “Intriguingly, the pro-survival role of RIPK1 in development seems to be independent of both its kinase activity and RIPK3 binding, as demonstrated by the fact that mice genetically engineered to express a kinase-dead variant of RIPK1 (e.g., RIPK1K45A) are viable and fertile [447, 499, 508].”

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Authors
Kaiser, W. J., Daley-Bauer, L. P., Thapa, R. J., Mandal, P., Berger, S. B., Huang, C., Sundararajan, A., Guo, H., Roback, L., Speck, S. H., Bertin, J., Gough, P. J., Balachandran, S., & Mocarski, E. S.
Affiliations
  • Emory University (US)
  • Department of Microbiology and Immunology, Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA 30322;
  • Fox Chase Cancer Center (US)
  • GlaxoSmithKline (United States) (US)
Venue
Proceedings of the National Academy of Sciences
Published
2014-05-12
Volume
111
Issue
21
Pages
7753-7758
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2069250210
Cited by
291
References
41
Citations by year
2026: 7 · 2025: 12 · 2024: 17 · 2023: 14 · 2022: 17 · 2021: 24 · 2020: 28 · 2019: 29 · 2018: 25 · 2017: 26 · 2016: 39 · 2015: 30 · 2014: 22
FWCI
15.90
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (DP5OD012198)
  • U.S. Public Health Service (R5630363)
  • National Cancer Institute (R01CA168621, T32CA009035)
  • National Institute of Allergy and Infectious Diseases (R01AI020211, R21AI104212, R01AI118853)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
Keywords
RIPK1, RIPK3, caspase-8, necroptosis, apoptosis, innate immunity, childbirth, perinatal lethality, kinase-independent function, TNF-α, interferon, double-stranded RNA, antiviral immunity
MeSH terms
Animals, Enzyme-Linked Immunosorbent Assay, Flow Cytometry, Immunity, Innate, Necrosis, Immunoblotting, Signal Transduction, Apoptosis, DNA Primers, Mice, Knockout, GTPase-Activating Proteins, Parturition, Mice, Caspase 8, Receptor-Interacting Protein Serine-Threonine Kinases, Gene Knock-In Techniques

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