Cited by 3,576interferon and immune responsesImmune Response and InflammationEndoplasmic Reticulum Stress and Disease

STING is an endoplasmic reticulum adaptor that facilitates innate immune signalling

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Ishikawa, Hiroki, Barber, Glen N.·2008·Nature

Abstract

The cellular innate immune system is essential for recognizing pathogen infection and for establishing effective host defence. But critical molecular determinants responsible for facilitating an appropriate immune response-following infection with DNA and RNA viruses, for example-remain to be identified. Here we report the identification, following expression cloning, of a molecule (STING; stimulator of interferon genes) that appears essential for effective innate immune signalling processes. It comprises five putative transmembrane regions, predominantly resides in the endoplasmic reticulum and is able to activate both NF-kappaB and IRF3 transcription pathways to induce expression of type I interferon (IFN-alpha and IFN-beta ) and exert a potent anti-viral state following expression. In contrast, loss of STING rendered murine embryonic fibroblasts extremely susceptible to negative-stranded virus infection, including vesicular stomatitis virus. Further, STING ablation abrogated the ability of intracellular B-form DNA, as well as members of the herpesvirus family, to induce IFN-beta, but did not significantly affect the Toll-like receptor (TLR) pathway. Yeast two-hybrid and co-immunoprecipitation studies indicated that STING interacts with RIG-I and with SSR2 (also known as TRAPbeta), which is a member of the translocon-associated protein (TRAP) complex required for protein translocation across the endoplasmic reticulum membrane following translation. Ablation by RNA interference of both TRAPbeta and translocon adaptor SEC61beta was subsequently found to inhibit STING's ability to stimulate expression of IFN-beta. Thus, as well as identifying a regulator of innate immune signalling, our results imply a potential role for the translocon in innate signalling pathways activated by select viruses as well as intracellular DNA.

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  • TBK1 activates NF-κB to induce expression of interferon and inflammatory cytokines.

    “TBK1 also activates NF‐κB to induce expression of IFN and inflammatory cytokines.65, 66, 67”

    From Cellular senescence and senescence-associated secretory phenotype via the cGAS-STING signaling pathway in cancer (2020) · cites this paper as [65]

    The paper’s Abstract reports that STING activates NF-κB and IRF3 pathways to induce type I interferon. It also reports that STING’s activity requires TBK-1, but links TBK-1 to IRF3 activation; it does not establish that TBK1 activates NF-κB or induces inflammatory cytokines. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • cGAMP produced by cGAS activation binds to STING on the ER membrane and leads to translocation of STING from ER to Golgi where it is further modified.

    “cGAMP produced by cGAS activation binds to STING which is located on the membrane of endoplasmic reticulum (ER)391 and leads to the translocation of STING from ER to the Golgi where it is further modified.392”

    From Role of neuroinflammation in neurodegeneration development (2023) · cites this paper as [391]

  • STING is a major pathway for the detection of immunogenic tumors and initiation of a spontaneous T cell response.

    “the stimulator of interferon genes (STING) has been shown to be a major pathway for the detection of immunogenic tumors and initiation of a spontaneous T cell response18–21.”

    From Epigenetic state determines the in vivo efficacy of STING agonist therapy (2023) · cites this paper as [20]

    The paper’s Abstract reports STING-mediated responses to intracellular DNA and pathogens, but does not address detection of immunogenic tumors or initiation of a spontaneous T-cell response. Searches for those terms and for tumor, cancer, and antitumor immunity found no passage supporting the attributed claim. (LLM, conf=0.76)

    Experimental — accuracy not yet measured
  • TBK1 associated with STING promotes dsDNA-mediated NF-κB activation and proinflammatory gene transcription.

    “TBK1 associated with STING also facilitates dsDNA-mediated activation of NF-κB to promote proinflammatory gene transcription (Abe and Barber, 2014; Ishikawa and Barber, 2008).”

    From Cytoplasmic DNA: sources, sensing, and role in aging and disease (2021) · cites this paper as Ishikawa and Barber, 2008

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Authors
Ishikawa, H., & Barber, G. N.
Affiliations
University of Miami (US)
Corresponding author
Barber, Glen N.
Venue
Nature
Published
2008-08-24
Volume
455
Issue
7213
Pages
674-678
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2060004514
Cited by
3,576
References
29
Citations by year
2026: 310 · 2025: 394 · 2024: 359 · 2023: 332 · 2022: 322 · 2021: 315 · 2020: 270 · 2019: 195 · 2018: 163 · 2017: 161 · 2016: 115 · 2015: 118 · 2014: 112 · 2013: 123 · 2012: 83
FWCI
28.23
Type
journal article
Language
en
Update notices
erratum (2008-11-13)
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
National Institute of Allergy and Infectious Diseases (R01AI079336)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › interferon and immune responses
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Endoplasmic Reticulum Stress and Disease
Keywords
STING, endoplasmic reticulum, innate immunity, interferon-beta, IRF3, NF-κB, RIG-I, Sec61β, translocon, TRAP complex, vesicular stomatitis virus, herpesvirus, negative-strand RNA viruses, viral DNA sensing, antiviral defense, protein translocation, pattern recognition receptors
MeSH terms
STING Protein, Animals, Cell Line, Endoplasmic Reticulum, Fibroblasts, Humans, Immunity, Innate, Interferons, Membrane Proteins, Mice, Inbred C57BL, Signal Transduction, Mice, Knockout, Mice

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