Nature Communications (Jul 2022)

Selective activation and expansion of regulatory T cells using lipid encapsulated mRNA encoding a long-acting IL-2 mutein

  • Seymour de Picciotto,
  • Nicholas DeVita,
  • Chiaowen Joyce Hsiao,
  • Christopher Honan,
  • Sze-Wah Tse,
  • Mychael Nguyen,
  • Joseph D. Ferrari,
  • Wei Zheng,
  • Brian T. Wipke,
  • Eric Huang

DOI
https://doi.org/10.1038/s41467-022-31130-9
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 14

Abstract

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IL-2 has been used to expand regulatory T (Treg) cells for treating inflammatory disorders. Here the authors test an engineered IL-2 mutein, delivered subcutaneously as mRNA, to show its increased specificity for activating and expanding Treg cells in both rodents and non-human primates, and to demonstrate its ability to suppress autoimmunity in mouse models.