Key result
Post-rigor storage of rabbit skeletal muscle markedly increased the dissociation of thick and thin filaments by ATP, likely related to a protein released from myofibrils upon Ca2+ treatment.
Population
Rabbit skeletal muscle (myofibrils)
Comparison
Post-rigor storage and ATP/Ca2+ treatment vs Freshly prepared muscles or muscles in rigor
Design
Preclinical
Authors
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Does not inform clinical muscle management; hypothesis-generating for Ca2+-released myofibrillar proteins in mammalian models.
Post-rigor storage of rabbit skeletal muscle increases the dissociation of thick and thin filaments by ATP, potentially related to a protein released from Z discs upon Ca2+ treatment.
Takahashi et al. (1981) studied Postmortem changes in skeletal muscle. Post-rigor storage vs. Muscles in rigor was evaluated on Amount of thick and thin filaments dissociated by ATP. Post-rigor storage of rabbit skeletal muscle markedly increased the dissociation of thick and thin filaments by ATP, likely related to a protein released from myofibrils upon Ca2+ treatment.
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