Cited by 495T-cell and B-cell ImmunologyImmunotherapy and Immune ResponsesPsoriasis: Treatment and Pathogenesis

Progressive differentiation and selection of the fittest in the immune response

Lanzavecchia, Antonio, Sallusto, Federica·2002·Nature Reviews Immunology

Abstract

T cells are stimulated by stochastic exposure to antigen-presenting cells and cytokines. We review evidence that the level of signal that is accumulated determines progression through hierarchical thresholds for proliferation and differentiation, leading to the generation of various intermediates and effector T cells. These cells are then selected to enter the memory pool according to their fitness--that is, their capacity to access and use survival signals. We suggest that the intermediates that are generated by antigenic stimulation of T and B cells persist as central memory cells, which can mount secondary responses to antigen and maintain appropriate levels of effector cells and antibodies throughout the lifetime of an individual.

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Crossref · 10.1038/nri959

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  • The capacity to continuously generate effector memory T cells replenishes the effector memory T cell pool and helps maintain a constant memory T cell repertoire for a human lifetime, despite finite effector cell lifespan and reduced thymus function.

    “The capacity to continuously generate effector memory T cells will replenish the effector memory T cell pool, and help maintain a constant repertoire of memory T cells for a human lifetime, despite the finite lifespan of individual effector cells and reduced thymus function [68].”

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Authors
Lanzavecchia, A., & Sallusto, F.
Affiliations
Institute for Research in Biomedicine (CH)
Corresponding author
  • Lanzavecchia, Antonio
  • Sallusto, Federica
Venue
Nature Reviews Immunology
Published
2002-12
Volume
2
Issue
12
Pages
982-987
ISSN
  • 1474-1733 (ISSN-L)
  • 1474-1741
OpenAlex
W2886274086
Cited by
495
References
69
Citations by year
2026: 2 · 2025: 2 · 2024: 6 · 2023: 10 · 2022: 13 · 2021: 15 · 2020: 7 · 2019: 8 · 2018: 13 · 2017: 12 · 2016: 13 · 2015: 19 · 2014: 13 · 2013: 18 · 2012: 15
FWCI
3.30
Type
journal article
Language
en
Open access
closed
Locations
  • Nature reviews. Immunology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Institute for Research in Biomedicine
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
  • Helmut Horten Stiftung
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Life Sciences › Immunology and Microbiology › Immunology › Psoriasis: Treatment and Pathogenesis
Keywords
T cell differentiation, T cell selection, signal threshold, antigen-presenting cells, cytokines, T cell proliferation, central memory T cells, effector T cells, B cells, memory B cells, survival signaling, secondary immune response
MeSH terms
Animals, Antigens, B-Lymphocytes, Cell Division, Hematopoietic Stem Cells, Humans, Immunity, Active, Immunologic Memory, T-Lymphocytes, Lymphopoiesis

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