Cited by 193Cell death mechanisms and regulationNF-κB Signaling PathwaysImmune Response and Inflammation

IAPs limit activation of RIP kinases by TNF receptor 1 during development

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Moulin, Maryline, Anderton, Holly, Voss, Anne K, Thomas, Tim, Wong, Wendy Wei‐Lynn, Bankovacki, Aleksandra, Feltham, Rebecca, Chau, Diep +3 more·2012·The EMBO Journal

Abstract

Inhibitor of apoptosis (IAP) proteins cIAP1, cIAP2, and XIAP (X-linked IAP) regulate apoptosis and cytokine receptor signalling, but their overlapping functions make it difficult to distinguish their individual roles. To do so, we deleted the genes for IAPs separately and in combination. While lack of any one of the IAPs produced no overt phenotype in mice, deletion of cIap1 with cIap2 or Xiap resulted in mid-embryonic lethality. In contrast, Xiap(-/-)cIap2(-/-) mice were viable. The death of cIap2(-/-)cIap1(-/-) double mutants was rescued to birth by deletion of tumour necrosis factor (TNF) receptor 1, but not TNFR2 genes. Remarkably, hemizygosity for receptor-interacting protein kinase 1 (Ripk1) allowed Xiap(-/-)cIap1(-/-) double mutants to survive past birth, and prolonged cIap2(-/-)cIap1(-/-) embryonic survival. Similarly, deletion of Ripk3 was able to rescue the mid-gestation defect of cIap2(-/-)cIap1(-/-) embryos, as these embryos survived to E15.5. cIAPs are therefore required during development to limit activity of RIP kinases in the TNF receptor 1 signalling pathway.

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Authors
Moulin, M., Anderton, H., Voss, A. K., Thomas, T., Wong, W. W., Bankovacki, A., Feltham, R., Chau, D., Cook, W. D., Silke, J., & Vaux, D. L.
Affiliations
  • La Trobe University (AU)
  • Walter and Eliza Hall Institute of Medical Research (AU)
  • The University of Melbourne (AU)
Corresponding author
Vaux, David L
Venue
The EMBO Journal
Published
2012-02-10
Volume
31
Issue
7
Pages
1679-1691
ISSN
  • 0261-4189 (ISSN-L)
  • 1460-2075
OpenAlex
W1857408336
Cited by
193
References
52
Citations by year
2026: 7 · 2025: 2 · 2024: 2 · 2023: 8 · 2022: 14 · 2021: 17 · 2020: 12 · 2019: 17 · 2018: 12 · 2017: 10 · 2016: 20 · 2015: 23 · 2014: 21 · 2013: 19 · 2012: 9
FWCI
9.26
Type
journal article
Language
en
Open access
Locations
  • The EMBO Journal (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (submittedVersion, other-oa)
Funders
  • Leukemia and Lymphoma Society
  • Australian Government
  • La Trobe University
  • National Health and Medical Research Council (1003435, 461221, 433063, 541901, 575512)
  • Japan Society for the Promotion of Science (22689008)
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
inhibitor of apoptosis proteins, cIAP1, cIAP2, XIAP, TNF receptor 1, RIPK1, RIPK3, embryonic lethality, cytokine receptor signalling, apoptosis regulation, gene deletion
MeSH terms
Animals, Female, Male, Signal Transduction, Gene Deletion, Receptors, Tumor Necrosis Factor, Type I, Receptors, Tumor Necrosis Factor, Type II, Inhibitor of Apoptosis Proteins, Mice, Receptor-Interacting Protein Serine-Threonine Kinases

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