Nature Communications (Oct 2017)

The giant protein titin regulates the length of the striated muscle thick filament

  • Paola Tonino,
  • Balazs Kiss,
  • Josh Strom,
  • Mei Methawasin,
  • John E. Smith,
  • Justin Kolb,
  • Siegfried Labeit,
  • Henk Granzier

DOI
https://doi.org/10.1038/s41467-017-01144-9
Journal volume & issue
Vol. 8, no. 1
pp. 1 – 11

Abstract

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Thick filaments in skeletal muscle and heart are composed of myosin. The authors show that the length of thick filaments is defined by titin, and that alterations in titin length affect force generation and lead to dilated cardiomyopathy in mice.