Nature Communications (May 2021)

The ubiquitylation of IL-1β limits its cleavage by caspase-1 and targets it for proteasomal degradation

  • Swarna L. Vijayaraj,
  • Rebecca Feltham,
  • Maryam Rashidi,
  • Daniel Frank,
  • Zhengyang Liu,
  • Daniel S. Simpson,
  • Gregor Ebert,
  • Angelina Vince,
  • Marco J. Herold,
  • Andrew Kueh,
  • Jaclyn S. Pearson,
  • Laura F. Dagley,
  • James M. Murphy,
  • Andrew I. Webb,
  • Kate E. Lawlor,
  • James E. Vince

DOI
https://doi.org/10.1038/s41467-021-22979-3
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 16

Abstract

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Hyperactivation of inflammasome-induced IL-1β can cause immunopathology and is a feature of autoinflammatory diseases. Here, the authors show how ubiquitination of IL-1β limits its activity by targeting it for proteasomal degradation and preventing its cleavage by caspase-1.