Insights into cytokine-receptor interactions from cytokine engineering

Jamie B. Spangler, Ignacio Moraga, Juan L. Mendoza, K. Christopher Garcia

Research output: Contribution to journalReview articlepeer-review

Abstract

Cytokines exert a vast array of immunoregulatory actions critical to human biology and disease. However, the desired immunotherapeutic effects of native cytokines are often mitigated by toxicity or lack of efficacy, either of which results from cytokine receptor pleiotropy and/or undesired activation of off-target cells. As our understanding of the structural principles of cytokine-receptor interactions has advanced, mechanism-based manipulation of cytokine signaling through protein engineering has become an increasingly feasible and powerful approach. Modified cytokines, both agonists and antagonists, have been engineered with narrowed target cell specificities, and they have also yielded important mechanistic insights into cytokine biology and signaling. Here we review the theory and practice of cytokine engineering and rationalize the mechanisms of several engineered cytokines in the context of structure. We discuss specific examples of how structure-based cytokine engineering has opened new opportunities for cytokines as drugs, with a focus on the immunotherapeutic cytokines interferon, interleukin-2, and interleukin-4.

Original languageEnglish (US)
Pages (from-to)139-167
Number of pages29
JournalAnnual review of immunology
Volume33
DOIs
StatePublished - Mar 21 2015
Externally publishedYes

Keywords

  • Immune signaling
  • Immunotherapeutics
  • Interferon
  • Interleukin
  • Ligand-receptor interaction
  • Protein design

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

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