Affiliation:
1. Leukocyte Dynamics Group, Center for Translational Immunology University Medical Center Utrecht Utrecht The Netherlands
Abstract
SummaryMemory T cells form an essential part of immunological memory, which can last for years or even a lifetime. Much experimental work has shown that the individual cells that make up the memory T‐cell pool are in fact relatively short‐lived. Memory T cells isolated from the blood of humans, or the lymph nodes and spleen of mice, live about 5–10 fold shorter than naive T cells, and much shorter than the immunological memory they convey. The commonly accepted view is, therefore, that long‐term T‐cell memory is maintained dynamically rather than by long‐lived cells. This view is largely based on memory T cells in the circulation, identified using rather broad phenotypic markers, and on research in mice living in overly clean conditions. We wondered to what extent there may be heterogeneity in the dynamics and lifespans of memory T cells. We here review what is currently known about the dynamics of memory T cells in different memory subsets, locations in the body and conditions of microbial exposure, and discuss how this may be related to immunometabolism and how this knowledge can be used in various clinical settings.
Funder
Nederlandse Organisatie voor Wetenschappelijk Onderzoek
Subject
Immunology,Immunology and Allergy
Cited by
3 articles.
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