PCM1 labeling reveals myonuclear and nuclear dynamics in skeletal muscle across species

Abstract excerpt

Myonuclei transcriptionally regulate muscle fibers during homeostasis and adaptation to exercise. Their subcellular location and quantity are important when characterizing phenotypes of myopathies, the effect of treatments, and understanding the roles of satellite cells in muscle adaptation and muscle “memory.” Difficulties arise in identifying myonuclei due to their proximity to the sarcolemma and closely...

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