Calcium-dependent binding of N2A titin to actin increases titin stiffness in active skeletal muscles, explaining many long-standing enigmas of muscle physiology.
Provides a new model of muscle as a composite material where elastic elements like titin are tuned by activation, explaining long-standing enigmas of muscle physiology.
Muscle has conventionally been viewed as a motor that converts chemical to kinetic energy in series with a passive spring, but new insights emerge when muscle is viewed as a composite material whose elastic elements are tuned by activation. New evidence demonstrates that calcium-dependent binding of N2A titin to actin increases titin stiffness in active skeletal muscles, which explains many long-standing enigmas of muscle physiology.
Kiisa C. Nishikawa (Wed,) conducted a review in Muscle physiology. Calcium-dependent binding of N2A titin to actin was evaluated. Calcium-dependent binding of N2A titin to actin increases titin stiffness in active skeletal muscles, explaining many long-standing enigmas of muscle physiology.
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