Stem cell-like memory T cells: A perspective from the dark side.

Shujun Gao, Xiuting Liang, Hui Wang, Boyang Bao, Keyu Zhang, Yanling Zhu, Qixiang Shao

Cellular immunology 2021 Mar

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Much attention has been paid to a newly discovered subset of memory T (TM) cells-stem cell-like memory T> (TSCM) cells for their high self-renewal ability, multi-differentiation potential and long-term effector function in adoptive therapy against tumors. Despite their application in cancer therapy, an excess of TSCM cells also contributes to the persistence of autoimmune diseases for their immune memory and HIV infection as a long-lived HIV reservoir. Signaling pathways Wnt, AMPK/mTOR and NF-κB are key determinants for TM cell generation, maintenance and proinflammatory effect. In this review, we focus on the phenotypic and functional characteristics of TSCM cells and discuss their role in autoimmune diseases and HIV-1 chronic infection. Also, we explore the potential mechanism and signaling pathways involved in immune memory and look into the future therapy strategies of targeting long-lived TM cells to suppress pathogenic immune memory. Copyright © 2020 Elsevier Inc. All rights reserved.

Citation

Shujun Gao, Xiuting Liang, Hui Wang, Boyang Bao, Keyu Zhang, Yanling Zhu, Qixiang Shao. Stem cell-like memory T cells: A perspective from the dark side. Cellular immunology. 2021 Mar;361:104273