Kadoki M, Patil A, Thaiss CC, Brooks DJ, Pandey S, Deep D, Alvarez D, von Andrian UH, Wagers AJ, Nakai K, Mikkelsen TS, Soumillon M, Chevrier N. 2017. Organism-Level Analysis of Vaccination Reveals Networks of Protection across Tissues. Cell. 171(2):398-413.e21. Pubmed: 28942919 DOI:S0092-8674(17)30949-2


A fundamental challenge in immunology is to decipher the principles governing immune responses at the whole-organism scale. Here, using a comparative infection model, we observe immune signal propagation within and between organs to obtain a dynamic map of immune processes at the organism level. We uncover two inter-organ mechanisms of protective immunity mediated by soluble and cellular factors. First, analyzing ligand-receptor connectivity across tissues reveals that type I IFNs trigger a whole-body antiviral state, protecting the host within hours after skin vaccination. Second, combining parabiosis, single-cell analyses, and gene knockouts, we uncover a multi-organ web of tissue-resident memory T cells that functionally adapt to their environment to stop viral spread across the organism. These results have implications for manipulating tissue-resident memory T cells through vaccination and open up new lines of inquiry for the analysis of immune responses at the organism level.
Copyright © 2017 Elsevier Inc. All rights reserved.

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Amy Wagers seeks to change the way we repair our tissues after an injury. Her research focuses on defining the factors and mechanisms that regulate the migration, expansion, and regenerative potential of adult blood-forming and muscle-forming stem cells.

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