Cited by 2,759interferon and immune responsesImmune Response and InflammationImmunotherapy and Immune Responses

STING regulates intracellular DNA-mediated, type I interferon-dependent innate immunity

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Ishikawa, Hiroki, Ma, Zhe, Barber, Glen N.·2009·Nature

Abstract

The innate immune system is critical for the early detection of invading pathogens and for initiating cellular host defence countermeasures, which include the production of type I interferon (IFN). However, little is known about how the innate immune system is galvanized to respond to DNA-based microbes. Here we show that STING (stimulator of interferon genes) is critical for the induction of IFN by non-CpG intracellular DNA species produced by various DNA pathogens after infection. Murine embryonic fibroblasts, as well as antigen presenting cells such as macrophages and dendritic cells (exposed to intracellular B-form DNA, the DNA virus herpes simplex virus 1 (HSV-1) or bacteria Listeria monocytogenes), were found to require STING to initiate effective IFN production. Accordingly, Sting-knockout mice were susceptible to lethal infection after exposure to HSV-1. The importance of STING in facilitating DNA-mediated innate immune responses was further evident because cytotoxic T-cell responses induced by plasmid DNA vaccination were reduced in Sting-deficient animals. In the presence of intracellular DNA, STING relocalized with TANK-binding kinase 1 (TBK1) from the endoplasmic reticulum to perinuclear vesicles containing the exocyst component Sec5 (also known as EXOC2). Collectively, our studies indicate that STING is essential for host defence against DNA pathogens such as HSV-1 and facilitates the adjuvant activity of DNA-based vaccines.

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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 [66]

    The paper’s main text (indexed under Abstract; page unavailable) links STING–TBK1 complexes to type I IFN production after intracellular DNA stimulation. It also reports defective NF-κB signalling and reduced IL6 production when STING is absent, but does not establish that TBK1 activates NF-κB to induce IFN and inflammatory cytokines. (LLM, conf=0.84)

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Authors
Ishikawa, H., Ma, Z., & Barber, G. N.
Affiliations
University of Miami (US)
Corresponding author
Barber, Glen N.
Venue
Nature
Published
2009-09-23
Volume
461
Issue
7265
Pages
788-792
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1968178474
Cited by
2,759
References
31
Citations by year
2026: 184 · 2025: 229 · 2024: 240 · 2023: 240 · 2022: 237 · 2021: 249 · 2020: 212 · 2019: 182 · 2018: 147 · 2017: 170 · 2016: 110 · 2015: 118 · 2014: 114 · 2013: 115 · 2012: 78
FWCI
30.14
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • National Institutes of Health
  • National Institute of Allergy and Infectious Diseases (AI079336, R56AI079336, R01AI079336)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › interferon and immune responses
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
Keywords
STING, mita, Eris, type I interferon, innate immunity, herpes simplex virus type 1, TBK1, Sec5, endosomes, DNA vaccine, plasmid DNA immunization, Listeria monocytogenes, viral susceptibility, dendritic cells
MeSH terms
STING Protein, Animals, Antigen-Presenting Cells, DNA, Bacterial, DNA, Viral, Endoplasmic Reticulum, Fibroblasts, Immunity, Innate, Interferon Type I, Listeria monocytogenes, Membrane Proteins, Plasmids, T-Lymphocytes, Cytotoxic, Protein Serine-Threonine Kinases, Herpesvirus 1, Human, Mice, Knockout, Vaccines, DNA, Protein Transport, Cytoplasmic Vesicles, Vesicular Transport Proteins, Intracellular Space, Mice

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