Cited by 255Cell death mechanisms and regulationImmune Response and InflammationInflammasome and immune disorders

XIAP Restricts TNF- and RIP3-Dependent Cell Death and Inflammasome Activation

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Yabal, Monica, Müller, Nicole, Adler, Heiko, Knies, Nathalie, Groß, Christina J., Damgaard, Rune Busk, Kanegane, Hirokazu, Ringelhan, Marc +8 more·2014·Cell Reports

Abstract

X-linked inhibitor of apoptosis protein (XIAP) has been identified as a potent regulator of innate immune responses, and loss-of-function mutations in XIAP cause the development of the X-linked lymphoproliferative syndrome type 2 (XLP-2) in humans. Using gene-targeted mice, we show that loss of XIAP or deletion of its RING domain lead to excessive cell death and IL-1β secretion from dendritic cells triggered by diverse Toll-like receptor stimuli. Aberrant IL-1β secretion is TNF dependent and requires RIP3 but is independent of cIAP1/cIAP2. The observed cell death also requires TNF and RIP3 but proceeds independently of caspase-1/caspase-11 or caspase-8 function. Loss of XIAP results in aberrantly elevated ubiquitylation of RIP1 outside of TNFR complex I. Virally infected Xiap(-/-) mice present with symptoms reminiscent of XLP-2. Our data show that XIAP controls RIP3-dependent cell death and IL-1β secretion in response to TNF, which might contribute to hyperinflammation in patients with XLP-2.

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Authors
Yabal, M., Müller, N., Adler, H., Knies, N., Groß, C. J., Damgaard, R. B., Kanegane, H., Ringelhan, M., Kaufmann, T., Heikenwälder, M., Strasser, A., Groß, O., Ruland, J., Peschel, C., Gyrd-Hansen, M., & Jost, P. J.
Affiliations
  • TUM Klinikum (DE)
  • Helmholtz Munich (DE)
  • University of Copenhagen (DK)
  • University of Toyama (JP)
  • University of Bern (CH)
  • The University of Melbourne (AU)
Corresponding author
Jost, Philipp J.
Venue
Cell Reports
Publisher
Elsevier BV
Published
2014-06
Volume
7
Issue
6
Pages
1796-1808
ISSN
2211-1247 (ISSN-L)
OpenAlex
W2081745303
Cited by
255
References
49
Citations by year
2026: 7 · 2025: 14 · 2024: 13 · 2023: 12 · 2022: 24 · 2021: 20 · 2020: 32 · 2019: 23 · 2018: 32 · 2017: 20 · 2016: 25 · 2015: 22 · 2014: 8 · 2012: 1
FWCI
10.24
Type
journal article
Language
en
Open access
Locations
  • Cell Reports (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Bern Open Repository and Information System (University of Bern) (submittedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • mediaTUM (Technical University of Munich) (submittedVersion)
  • Site cant be reached (submittedVersion, cc-by-nc-nd)
  • Research at the University of Copenhagen (University of Copenhagen) (submittedVersion)
  • Open Access CRIS of the University of Bern
Funders
  • Novo Nordisk Fonden
  • Natural Sciences and Engineering Research Council of Canada
  • Human Frontier Science Program (0073/2012)
  • Bundesministerium für Bildung und Forschung (PIM-01GS0802-3)
  • Lundbeckfonden
  • Deutsche Krebshilfe (109310)
  • Wilhelm Sander-Stiftung (2009.046.1+2)
  • Natur og Univers, Det Frie Forskningsråd
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 › Molecular Biology › Inflammasome and immune disorders
Keywords
XIAP, RIPK3, IL-1β secretion, inflammasome activation, dendritic cells, Toll-like receptor signaling, RING domain, innate immunity, viral infection, hyperinflammation
MeSH terms
Animals, Dendritic Cells, Female, Lipopolysaccharides, Male, Mice, Transgenic, Tumor Necrosis Factor-alpha, Cell Death, Apoptosis, Mice, X-Linked Inhibitor of Apoptosis Protein, Receptor-Interacting Protein Serine-Threonine Kinases, Interleukin-1beta, Inflammasomes

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