Nature Communications (Mar 2021)

Cytotoxic CD8+ T cells promote granzyme B-dependent adverse post-ischemic cardiac remodeling

  • Icia Santos-Zas,
  • Jeremie Lemarié,
  • Ivana Zlatanova,
  • Marine Cachanado,
  • Jean-Christophe Seghezzi,
  • Hakim Benamer,
  • Pascal Goube,
  • Marie Vandestienne,
  • Raphael Cohen,
  • Maya Ezzo,
  • Vincent Duval,
  • Yujiao Zhang,
  • Jin-Bo Su,
  • Alain Bizé,
  • Lucien Sambin,
  • Philippe Bonnin,
  • Maxime Branchereau,
  • Christophe Heymes,
  • Corinne Tanchot,
  • José Vilar,
  • Clement Delacroix,
  • Jean-Sebastien Hulot,
  • Clement Cochain,
  • Patrick Bruneval,
  • Nicolas Danchin,
  • Alain Tedgui,
  • Ziad Mallat,
  • Tabassome Simon,
  • Bijan Ghaleh,
  • Jean-Sébastien Silvestre,
  • Hafid Ait-Oufella

DOI
https://doi.org/10.1038/s41467-021-21737-9
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 13

Abstract

Read online

Immune cells contribute to adverse remodeling following myocardial infarction. Here the authors show in mice and pigs that CD8+ lymphocytes release Granzyme B in the infarcted heart leading to cardiomyocyte death, enhanced inflammation and deterioration of cardiac function.