Cited by 758interferon and immune responsesCell death mechanisms and regulationCytomegalovirus and herpesvirus research

DAI/ZBP1/DLM-1 Complexes with RIP3 to Mediate Virus-Induced Programmed Necrosis that Is Targeted by Murine Cytomegalovirus vIRA

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Upton, Jason W., Kaiser, William J., Mocarski, Edward S.·2012·Cell Host & Microbe

Abstract

Programmed necrosis, like apoptosis, eliminates pathogen-infected cells as a component of host defense. Receptor-interacting protein kinase (RIP) 3 (also called RIPK3) mediates RIP homotypic interaction motif (RHIM)-dependent programmed necrosis induced by murine cytomegalovirus (MCMV) infection or death receptor activation and suppressed by the MCMV-encoded viral inhibitor of RIP activation (vIRA). We find that interferon-independent expression of DNA-dependent activator of interferon regulatory factors (DAI, also known as ZBP1 or DLM-1) sensitizes cells to virus-induced necrosis and that DAI knockdown or knockout cells are resistant to this death pathway. Importantly, as with RIP3(-/-) mice, vIRA mutant MCMV pathogenesis is restored in DAI(-/-) mice, consistent with a DAI-RIP3 complex being the natural target of vIRA. Thus, DAI interacts with RIP3 to mediate virus-induced necrosis analogous to the RIP1-RIP3 complex controlling death receptor-induced necroptosis. These studies unveil a role for DAI as the RIP3 partner mediating virus-induced necrosis.

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Crossref · 10.1016/j.chom.2012.01.016

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  • Necroptosis is a regulated form of necrosis triggered by intra- and extracellular signals and is initiated by chemokine receptors such as FAS, by pathogen recognition receptors such as TLR3, TLR4, and ZBP1, and by TNFR1.

    “Necroptosis is a regulated form of necrosis triggered by intra- and extracellular signals and is initiated by chemokine receptors such as FAS [292], by pathogen recognition receptors such as Toll-like receptor (TLR)3, TLR4, and Z-DNA binding protein (ZBP)1 [293, 294], and by the TNF receptor (TNFR)1 [295].”

    From Oligodendrocyte death and myelin loss in the cuprizone model: an updated overview of the intrinsic and extrinsic causes of cuprizone demyelination (2022) · cites this paper as [293]

    The Results section states that TLR3 can induce necroptosis, and the Discussion identifies DAI/ZBP1 as a pattern-recognition receptor involved in virus-induced programmed necrosis. The citation is attached to the group of pathogen-recognition receptors, but our copy does not establish TLR4 as an initiator of necroptosis. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • Necroptosis is a form of RCD initiated by perturbations of extracellular or intracellular microenvironment detected by specific death receptors including FAS and TNFR1, or PRRs including TLR3, TLR4, ZBP1.

    “Necroptosis is a form of RCD initiated by perturbations of the extracellular or intracellular microenvironment detected by specific death receptors, including (but not limited to) FAS and TNFR1 [423–427], or pathogen recognition receptors (PRRs), including TLR3, TLR4, and Z-DNA binding protein 1 (ZBP1; also known as DAI) [428–430].”

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Authors
Upton, J. W., Kaiser, W. J., & Mocarski, E. S.
Affiliations
Emory University (US)
Corresponding author
Mocarski, Edward S.
Venue
Cell Host & Microbe
Publisher
Elsevier BV
Published
2012-03
Volume
11
Issue
3
Pages
290-297
ISSN
1931-3128 (ISSN-L)
OpenAlex
W2084414744
Cited by
758
References
44
Citations by year
2026: 35 · 2025: 51 · 2024: 65 · 2023: 58 · 2022: 69 · 2021: 69 · 2020: 64 · 2019: 46 · 2018: 62 · 2017: 53 · 2016: 51 · 2015: 39 · 2014: 45 · 2013: 35 · 2012: 15
FWCI
18.74
Type
journal article
Language
en
Update notices
addendum (2019-10-09)
Open access
Locations
  • Cell Host & Microbe (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute of Biomedical Innovation
  • National Institutes of Health (1f32ai080175-01a1)
  • National Institute of Allergy and Infectious Diseases (R01AI030363, R01AI20211, R01AI020211, F32 AI080175, R56AI030363, R21AI030363, AI30363, F32 AI080175-01A1)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › interferon and immune responses
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Health Sciences › Medicine › Epidemiology › Cytomegalovirus and herpesvirus research
Keywords
necroptosis, RIPK3, DAI, ZBP1, murine cytomegalovirus, VirA, virus-induced cell death, host defense against viruses, protein complex formation
MeSH terms
Animals, Glycoproteins, Herpesviridae Infections, Inflammation, Mice, Inbred C57BL, Necrosis, Viral Proteins, Signal Transduction, NF-kappa B, RNA-Binding Proteins, Interferon-beta, Apoptosis, Muromegalovirus, Mice, Knockout, Viral Load, NIH 3T3 Cells, Multiprotein Complexes, Mice, Receptor-Interacting Protein Serine-Threonine Kinases, Host-Pathogen Interactions

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