Cell-Type-Specific Interleukin 1 Receptor 1 Signaling in the Brain Regulates Distinct Neuroimmune Activities

Liu et al. employ a genetic knockin reporter system in mice to track and reciprocally delete and/or express IL-1 receptor 1 (IL-1R1) in specific CNS cell types. They define cell-type-specific roles for IL-1 signaling, including an essential role for endothelial IL-1R1 in mediating sickness behavior, and provide a foundation for the dissection of IL-1R1 signaling pathways in the pathogenesis of CNS disease.

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