Abstract
Cytokines are secreted or membrane-presented molecules that mediate broad cellular functions, including development, differentiation, growth and survival. Accordingly, the regulation of cytokine activity is extraordinarily important both physiologically and pathologically. Cytokine and/or cytokine receptor engineering is being widely investigated to safely and effectively modulate cytokine activity for therapeutic benefit. IL-2 in particular has been extensively engineered, to create IL-2 variants that differentially exhibit activities on regulatory T cells to potentially treat autoimmune disease versus effector T cells to augment antitumour effects. Additionally, engineering approaches are being applied to many other cytokines such as IL-10, interferons and IL-1 family cytokines, given their immunosuppressive and/or antiviral and anticancer effects. In modulating the actions of cytokines, the strategies used have been broad, including altering affinities of cytokines for their receptors, prolonging cytokine half-lives in vivo and fine-tuning cytokine actions. The field is rapidly expanding, with extensive efforts to create improved therapeutics for a range of diseases.
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Acknowledgements
This work is supported by the Division of Intramural Research, National Heart, Lung, and Blood Institute, NIH.
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W.J.L. is an inventor on patents related to IL-2 partial agonists. J.X.L. declares no competing interests.
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Leonard, W.J., Lin, JX. Strategies to therapeutically modulate cytokine action.
Nat Rev Drug Discov (2023). https://doi.org/10.1038/s41573-023-00746-x
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Accepted: 02 June 2023
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Published: 04 August 2023
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DOI: https://doi.org/10.1038/s41573-023-00746-x