Nature Communications (Nov 2021)

Gain-of-function cardiomyopathic mutations in RBM20 rewire splicing regulation and re-distribute ribonucleoprotein granules within processing bodies

  • Aidan M. Fenix,
  • Yuichiro Miyaoka,
  • Alessandro Bertero,
  • Steven M. Blue,
  • Matthew J. Spindler,
  • Kenneth K. B. Tan,
  • Juan A. Perez-Bermejo,
  • Amanda H. Chan,
  • Steven J. Mayerl,
  • Trieu D. Nguyen,
  • Caitlin R. Russell,
  • Paweena P. Lizarraga,
  • Annie Truong,
  • Po-Lin So,
  • Aishwarya Kulkarni,
  • Kashish Chetal,
  • Shashank Sathe,
  • Nathan J. Sniadecki,
  • Gene W. Yeo,
  • Charles E. Murry,
  • Bruce R. Conklin,
  • Nathan Salomonis

DOI
https://doi.org/10.1038/s41467-021-26623-y
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 14

Abstract

Read online

Mutations in the splicing factor RBM20 cause aggressive Dilated Cardiomyopathy. Here the authors generated RBM20 R636S mutants and knockout in human iPSC-derived cardiomyocytes. Mutant RBM20 showed different target RNA binding, altered splicing and localization to cytoplasmic processing bodies.