The giant muscle protein titin is an adjustable molecular spring

Henk L. Granzier, Siegfried Labeit

Research output: Contribution to journalReview articlepeer-review

54 Scopus citations


When muscles are stretched, the giant protein titin develops passive force. Titin's force performs important functions that include maintaining the structural integrity of the sarcomere, and triggering signal transduction pathways. We propose that the mechanical properties of titin can be tuned according to the mechanical demands places on muscle, using mechanisms that include alternative splicing and posttranslational modifications.

Original languageEnglish (US)
Pages (from-to)50-53
Number of pages4
JournalExercise and Sport Sciences Reviews
Issue number2
StatePublished - Apr 2006


  • Differential splicing
  • Mechanosensing
  • Muscle mechanics
  • Passive force
  • Posttranslational modification
  • Titin

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation


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