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Updated: May 10, 2026

In Vitro Resident Memory CD8 T Cell Differentiation Using Epithelial Organoid-T Cell Co-culture System
Published on: February 3, 2026
Distinct resident and recirculating memory T cell subsets in non-lymphoid tissues
Francis R Carbone1, Laura K Mackay, William R Heath
1Department of Microbiology and Immunology, The University of Melbourne, Melbourne, Victoria 3010, Australia. fcarbone@unimelb.edu.au
Abstract:
Antigen experienced or memory T cells make a critical contribution to immunity against infection. Many pathogens colonise non-lymphoid tissues and memory T cells in these compartments can deal with such localised infections. Emerging data show that there are at least two phenotypically distinct peripheral T cell subsets, one permanently resident and one recirculating between tissues and blood. A full appreciation of the T cells in the non-lymphoid memory pool and their relationship to those in the circulation is an important step in understanding how to generate and exploit effective peripheral immunity for the purpose of infection control.
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