Epigenetic Maintenance of Acquired Gene Expression Programs During Memory CD8 T Cell Homeostasis

Overview

Journal Front Immunol

Specialty Allergy & Immunology

Date 2018 Feb 7

PMID 29403491

Citations 20

Authors

Hossam A Abdelsamed

Caitlin C Zebley

Ben Youngblood

Affiliations

Soon will be listed here.

Abstract

Memory CD8 T cells have a unique ability to provide lifelong immunity against pathogens containing their cognate epitope. Because of their ability to provide lifelong protection, the generation of memory T cells is now a major focus for current vaccination or adoptive cell therapy approaches to treat chronic viral infections and cancer. It is now clear that maintenance of memory CD8 T cells occurs through a process of antigen-independent homeostatic proliferation, which is regulated in part by the gamma chain cytokines IL-7 and IL-15. Here, we will describe the role of these cytokines in the survival and self-renewal of memory CD8 T cells. Further, we will describe the role of epigenetics in the maintenance of acquired functions among memory CD8 T cells during homeostatic proliferation.

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