Cited by 331Cell death mechanisms and regulationInflammasome and immune disordersNF-κB Signaling Pathways

Survival Function of the FADD-CASPASE-8-cFLIPL Complex

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Dillon, Christopher P., Oberst, Andrew, Weinlich, Ricardo, Janke, Laura J., Kang, Tae-Bong, Ben-Moshe, Tehila, Mak, Tak W., Wallach, David +1 more·2012·Cell Reports

Abstract

Caspase-8, the initiator caspase of the death receptor pathway of apoptosis, its adapter molecule, FADD, required for caspase-8 activation, and cFLIPL, a caspase-8-like protein that lacks a catalytic site and blocks caspase-8-mediated apoptosis, are each essential for embryonic development. Animals deficient in any of these genes present with E10.5 embryonic lethality. Recent studies have shown that development in caspase-8-deficient mice is rescued by ablation of RIPK3, a kinase that promotes a form of programmed, necrotic cell death. Here, we show that FADD, RIPK3 double-knockout mice develop normally but that the lethal effects of cFLIP deletion are not rescued by RIPK3 deficiency. Remarkably, in mice lacking FADD, cFLIP, and RIPK3, embryonic development is normal. This can be explained by the convergence of two cell processes: the enzymatic activity of the FADD-caspase-8-cFLIPL complex blocks RIPK3-dependent signaling (including necrosis), whereas cFLIPL blocks RIPK3-independent apoptosis promoted by the FADD-caspase-8 complex.

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Crossref · 10.1016/j.celrep.2012.03.010

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  • Cflar−/− mice require concomitant knockout of Ripk3 and Fadd to develop into adulthood, underscoring inhibitory role of c-FLIP in both necroptosis and extrinsic apoptosis.

    “Of note, Cflar−/− mice require the concomitant knockout of Ripk3 and Fadd to develop into adulthood, which underscores the inhibitory role of c-FLIP in both necroptosis and extrinsic apoptosis reported above [483, 486].”

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Authors
Dillon, C. P., Oberst, A., Weinlich, R., Janke, L. J., Kang, T.-B., Ben-Moshe, T., Mak, T. W., Wallach, D., & Green, D. R.
Affiliations
  • St. Jude Children's Research Hospital (US)
  • Konkuk University (KR)
  • Weizmann Institute of Science (IL)
  • University Health Network (CA)
Corresponding author
Green, Douglas R.
Venue
Cell Reports
Publisher
Elsevier BV
Published
2012-05
Volume
1
Issue
5
Pages
401-407
ISSN
2211-1247 (ISSN-L)
OpenAlex
W2090234862
Cited by
331
References
34
Citations by year
2026: 8 · 2025: 12 · 2024: 18 · 2023: 13 · 2022: 21 · 2021: 24 · 2020: 17 · 2019: 21 · 2018: 26 · 2017: 25 · 2016: 35 · 2015: 33 · 2014: 49 · 2013: 26 · 2012: 3
FWCI
14.18
Type
journal article
Language
en
Open access
Locations
  • Cell Reports (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Institute of General Medical Sciences (R01GM052735)
  • National Institute of Allergy and Infectious Diseases (R01AI044828, R01AI040646, AI44828, R01AI047891, R37AI044828)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
Keywords
FADD, caspase-8, c-FLIP, RIPK3, death receptor signaling, apoptosis, necrosis, embryonic lethality, double knockout mice, programmed cell death, caspase-8 activation
MeSH terms
Animals, Necrosis, Signal Transduction, Apoptosis, Gene Deletion, Mice, Knockout, Embryonic Development, Mice, Caspase 8, Fas-Associated Death Domain Protein, Receptor-Interacting Protein Serine-Threonine Kinases, CASP8 and FADD-Like Apoptosis Regulating Protein

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