Nature Communications (Mar 2021)

Mitochondrial arginase-2 is essential for IL-10 metabolic reprogramming of inflammatory macrophages

  • Jennifer K. Dowling,
  • Remsha Afzal,
  • Linden J. Gearing,
  • Mariana P. Cervantes-Silva,
  • Stephanie Annett,
  • Gavin M. Davis,
  • Chiara De Santi,
  • Nadine Assmann,
  • Katja Dettmer,
  • Daniel J. Gough,
  • Glenn R. Bantug,
  • Fidinny I. Hamid,
  • Frances K. Nally,
  • Conor P. Duffy,
  • Aoife L. Gorman,
  • Alex M. Liddicoat,
  • Ed C. Lavelle,
  • Christoph Hess,
  • Peter J. Oefner,
  • David K. Finlay,
  • Gavin P. Davey,
  • Tracy Robson,
  • Annie M. Curtis,
  • Paul J. Hertzog,
  • Bryan R. G. Williams,
  • Claire E. McCoy

DOI
https://doi.org/10.1038/s41467-021-21617-2
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 14

Abstract

Read online

IL-10 can limit inflammation in part by inhibiting miR-155. Here the authors show how this axis induces mitochondrial arginase-2 to alter the mitochondrial dynamics and bioenergetics of macrophages and make these cells less pro-inflammatory.