IL-1 enhances expansion, effector function, tissue localization, and memory response of antigen-specific CD8 T cells

Ben-Sasson, S. Z., Hogg, A., Hu-Li, J., Wingfield, P., Chen, X., Crank, M., Caucheteux, Stephane, Ratner-Hurevich, M., Berzofsky, J. A., Nir-Paz, R. and Paul, W. E. 2013. IL-1 enhances expansion, effector function, tissue localization, and memory response of antigen-specific CD8 T cells. Journal of Experimental Medicine 210 (3) , pp. 491-502. 10.1084/jem.20122006

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Abstract

Here, we show that interleukin-1 (IL-1) enhances antigen-driven CD8 T cell responses. When administered to recipients of OT-I T cell receptor transgenic CD8 T cells specific for an ovalbumin (OVA) peptide, IL-1 results in an increase in the numbers of wild-type but not IL1R1−/− OT-I cells, particularly in spleen, liver, and lung, upon immunization with OVA and lipopolysaccharide. IL-1 administration also results in an enhancement in the frequency of antigen-specific cells that are granzyme B+, have cytotoxic activity, and/ or produce interferon γ (IFN-γ). Cells primed in the presence of IL-1 display enhanced expression of granzyme B and increased capacity to produce IFN-γ when rechallenged 2 mo after priming. In three in vivo models, IL-1 enhances the protective value of weak immunogens. Thus, IL-1 has a marked enhancing effect on antigen-specific CD8 T cell expansion, differentiation, migration to the periphery, and memory.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine
Subjects:	R Medicine > R Medicine (General)
Publisher:	Rockefeller University Press
ISSN:	0022-1007
Date of First Compliant Deposit:	30 March 2016
Last Modified:	11 May 2023 16:18
URI:	https://orca.cardiff.ac.uk/id/eprint/52736

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