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National Institute of Environmental Health Sciences

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Publication Detail

Title: Human memory T cells with a naive phenotype accumulate with aging and respond to persistent viruses.

Authors: Pulko, Vesna; Davies, John S; Martinez, Carmine; Lanteri, Marion C; Busch, Michael P; Diamond, Michael S; Knox, Kenneth; Bush, Erin C; Sims, Peter A; Sinari, Shripad; Billheimer, Dean; Haddad, Elias K; Murray, Kristy O; Wertheimer, Anne M; Nikolich-Žugich, Janko

Published In Nat Immunol, (2016 Aug)

Abstract: The number of naive T cells decreases and susceptibility to new microbial infections increases with age. Here we describe a previously unknown subset of phenotypically naive human CD8(+) T cells that rapidly secreted multiple cytokines in response to persistent viral antigens but differed transcriptionally from memory and effector T cells. The frequency of these CD8(+) T cells, called 'memory T cells with a naive phenotype' (TMNP cells), increased with age and after severe acute infection and inversely correlated with the residual capacity of the immune system to respond to new infections with age. CD8(+) TMNP cells represent a potential new target for the immunotherapy of persistent infections and should be accounted for and subtracted from the naive pool if truly naive T cells are needed to respond to antigens.

PubMed ID: 27270402 Exiting the NIEHS site

MeSH Terms: No MeSH terms associated with this publication

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