interferon and immune responses Peer reviewed

A genome-wide map of the genetic network in monocytes that regulates type I interferon induction by the cGAS-STING pathway

Emil Aagaard Thomsen, Jian Zhao, Ryo Narita, Luther J. Davis and 3 more

Science Signaling | Aug 18, 2026

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These datasets are a resource for identifying genes associated with type I IFN-related inborn errors of immunity and cancer and for developing therapies to modulate STING signaling in interferonopathies and other conditions of dysregulated type I IFN.

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Type I interferons (IFNs) are induced by pattern recognition receptors (PRRs) of the innate immune system to protect against foreign pathogens and malignant transformation, and their production must be tightly regulated to balance antiviral defense with tissue homeostasis. To define the genetic network that governs IFN regulation, we conducted genome-wide CRISPR screens for genes that positively or negatively regulated IFNB1 gene expression induced by the PRR cGAS and its downstream effector STING, in both unprimed THP-1 cells and cells primed with IFN-α to mimic an ongoing inflammatory response. Distinct subsets of genes affected IFNB1 induction in the unprimed and primed states, and many regulators had not previously been associated with IFN responses, thereby linking IFNB1 regulation to various cellular pathways. For example, we found that the NCoR/SMRT corepressor complex components TBL1XR1 and HDAC3 cooperated to support IFNB1 expression, with HDAC3 promoting activation of the kinase TBK1, an essential driver of type I IFN responses. These datasets are a resource for identifying genes associated with type I IFN–related inborn errors of immunity and cancer and for developing therapies to modulate STING signaling in interferonopathies and other conditions of dysregulated type I IFN.

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Researchers on this paper

Emil Aagaard Thomsen

first | Aarhus University | ORCID 0000-0002-2685-7745

Jian Zhao

middle | Aarhus University

Ryo Narita

middle | Aarhus University | ORCID 0000-0003-2045-2509

Luther J. Davis

middle | Aarhus University | ORCID 0009-0002-3874-0058

David Olagnier

middle | Aarhus University | ORCID 0000-0001-6912-0674

Søren R. Paludan

middle | Aarhus University | ORCID 0000-0001-9180-4060

Jacob Giehm Mikkelsen

last | Aarhus University | ORCID 0000-0002-1322-3209

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Citation

BibTeX

@article{Thomsen2026genome,
  title = {A genome-wide map of the genetic network in monocytes that regulates type I interferon induction by the cGAS-STING pathway},
  author = {Emil Aagaard Thomsen and Jian Zhao and Ryo Narita and Luther J. Davis and David Olagnier and Søren R. Paludan and Jacob Giehm Mikkelsen},
  journal = {Science Signaling},
  year = {2026},
  doi = {10.1126/scisignal.adx3808},
  url = {https://doi.org/10.1126/scisignal.adx3808}
}

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