Nature Communications (Oct 2022)

NIMA-related kinase 9 regulates the phosphorylation of the essential myosin light chain in the heart

  • Marion Müller,
  • Rose Eghbalian,
  • Jes-Niels Boeckel,
  • Karen S. Frese,
  • Jan Haas,
  • Elham Kayvanpour,
  • Farbod Sedaghat-Hamedani,
  • Maximilian K. Lackner,
  • Oguz F. Tugrul,
  • Thomas Ruppert,
  • Rewati Tappu,
  • Diana Martins Bordalo,
  • Jasmin M. Kneuer,
  • Annika Piekarek,
  • Sabine Herch,
  • Sarah Schudy,
  • Andreas Keller,
  • Nadja Grammes,
  • Cornelius Bischof,
  • Anna Klinke,
  • Margarida Cardoso-Moreira,
  • Henrik Kaessmann,
  • Hugo A. Katus,
  • Norbert Frey,
  • Lars M. Steinmetz,
  • Benjamin Meder

DOI
https://doi.org/10.1038/s41467-022-33658-2
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 18

Abstract

Read online

Phosphorylation of the essential myosin light chain (ELC) influence actin-myosin crossbridge cycling in the heart. Here, the authors show upregulated ELC-phosphorylation in systolic heart failure and identify NIMArelated kinase 9 to bind to ELC mediating its calcium-dependent phosphorylation.