IL-2 immunotherapy for targeting regulatory T cells in autoimmunity

被引:0
|
作者
Valentina Lykhopiy
Vanshika Malviya
Stephanie Humblet-Baron
Susan M. Schlenner
机构
[1] KU Leuven-University of Leuven,Department of Microbiology, Immunology and Transplantation
[2] argenx BV,undefined
[3] Industriepark Zwijnaarde 7,undefined
来源
Genes & Immunity | 2023年 / 24卷 / 5期
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摘要
FOXP3+ regulatory T cells (Treg) are indispensable for immune homoeostasis and for the prevention of autoimmune diseases. Interleukin-2 (IL-2) signalling is critical in all aspects of Treg biology. Consequences of defective IL-2 signalling are insufficient numbers or dysfunction of Treg and hence autoimmune disorders in human and mouse. The restoration and maintenance of immune homoeostasis remain central therapeutic aims in the field of autoimmunity. Historically, broadly immunosuppressive drugs with serious side-effects have been used for the treatment of autoimmune diseases or prevention of organ-transplant rejection. More recently, ex vivo expanded or in vivo stimulated Treg have been shown to induce effective tolerance in clinical trials supporting the clinical benefit of targeting natural immunosuppressive mechanisms. Given the central role of exogenous IL-2 in Treg homoeostasis, a new and promising focus in drug development are IL-2-based approaches for in vivo targeted expansion of Treg or for enhancement of their suppressive activity. In this review, we summarise the role of IL-2 in Treg biology and consequences of dysfunctional IL-2 signalling pathways. We then examine evidence of efficacy of IL-2-based biological drugs targeting Treg with specific focus on therapeutic candidates in clinical trials and discuss their limitations.
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页码:248 / 262
页数:14
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