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Generation and maintenance of memory CD4(+) T Cells

Abstract

In the course of an immune response to an infectious microbe, pathogen-specific naive CD4(+) T cells proliferate extensively and differentiate into effector cells. Most of these cells die rapidly, but a small fraction of effector cells persist as memory cells to confer enhanced protection against the same pathogen. Recent advances indicate that strong TCR stimulation during the primary response is essential for the generation of long-lived memory CD4(+) T cells. Memory cells appear to be derived equally from all subsets of effector cells, and memory cells can also acquire additional functional capabilities during the secondary response. Resting memory CD4(+) cells are dependent on signals from contact with IL-7 and IL-15, but not MHC class II, for their survival and intermittent homeostatic proliferation.

Type Journal
ISBN 1879-0372 (Electronic)
Authors van Leeuwen, E. M.; Sprent, J.; Surh, C. D.;
Garvan Authors Prof Jonathan Sprent
Publisher Name CURR OPIN IMMUNOL
Published Date 2009-01-01 00:00:00
Published Volume 21
Published Issue 2
Published Pages 167-72
URL http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=19282163
Status Published In-print
OpenAccess Link https://publications.gimr.garvan.org.au/download.php?10240_10339/09 van Leeuwen COI.pdf