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Review
. 2020 Dec;19(12):860-883.
doi: 10.1038/s41573-020-0081-9. Epub 2020 Sep 16.

Targeting co-stimulatory molecules in autoimmune disease

Natalie M Edner  1 , Gianluca Carlesso  2 , James S Rush  3 , Lucy S K Walker  4
Affiliations
Review

Targeting co-stimulatory molecules in autoimmune disease

Natalie M Edner et al. Nat Rev Drug Discov. 2020 Dec.

Erratum in

Abstract

Therapeutic targeting of immune checkpoints has garnered significant attention in the area of cancer immunotherapy, in which efforts have focused in particular on cytotoxic T lymphocyte antigen 4 (CTLA4) and PD1, both of which are members of the CD28 family. In autoimmunity, these same pathways can be targeted to opposite effect: to curb the over-exuberant immune response. The CTLA4 checkpoint serves as an exemplar, whereby CTLA4 activity is blocked by antibodies in cancer immunotherapy and augmented by the provision of soluble CTLA4 in autoimmunity. Here, we review the targeting of co-stimulatory molecules in autoimmune diseases, focusing in particular on agents directed at members of the CD28 or tumour necrosis factor receptor families. We present the state of the art in co-stimulatory blockade approaches, including rational combinations of immune inhibitory agents, and discuss the future opportunities and challenges in this field.

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