ArticleImmunity2026
Brain endothelial cells orchestrate a neuroprotective antiviral state in the CNS in response to peripheral viral pattern sensing.
Article in Immunity, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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20 authors.
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Abstract
West Nile virus (WNV) and other neurotrophic arboviruses are human pathogens that can cause life-threatening encephalitis. To uncover determinants of severe disease progression, we employed a murine infection model of WNV and experimentally uncoupled peripheral pathogen sensing from active viral replication. Peripheral sensing of a viral dsRNA mimic in the footpad led to robust induction of antiviral type I interferon (IFN-I)-stimulated genes and establishment of an antiviral state within the brain. Systematic approaches combining cytokine profiling, single-nuclei transcriptomics, immune modulation, and genetic perturbations revealed critical roles for systemic IFN-I and IFN-I receptor signaling in brain microvascular endothelial cells. This inter-organ antiviral crosstalk protected against severe encephalitis caused by a range of neurotropic viruses across Orthoflaviviridae, Togaviridae, and Orthoherpesviridae. Thus, these data unravel a cross-tissue antiviral signaling network that counteracts lethal encephalitis, pointing to therapeutic avenues for encephalitic disease caused by emerging viral pathogens.
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