Location, location, location: Tissue resident memory T cells in mice and humans

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Science Immunology  05 Apr 2019:
Vol. 4, Issue 34, eaas9673
DOI: 10.1126/sciimmunol.aas9673


The discovery of T cells resident in diverse tissues has altered our understanding of adaptive immunity to encompass site-specific responses mediated by tissue-adapted memory T cells throughout the body. Here, we discuss the key phenotypic, transcriptional, and functional features of these tissue-resident memory T cells (TRM) as established in mouse models of infection and translated to humans by novel tissue sampling approaches. Integration of findings from mouse and human studies may hold the key to unlocking the potential of TRM for promoting tissue immunity and preventing infection.

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