Muscle satellite cells (MuSCs) supply nuclei to existing myofibers in response to mechanical loading. This myonuclear accretion is critical for efficient muscle hypertrophy. Herein, we present protocols for the detection of MuSC-derived new myonuclei in loaded mouse muscle, including procedures for EdU injection to stain myonuclei, followed by surgery and skeletal muscle fixation. We then describe immunostaining for EdU myonuclei and image acquisition for quantitative analyses. For complete details on the use and execution of this protocol, please refer to Kaneshige et al. (2022).
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| http://dx.doi.org/10.1016/j.xpro.2022.101307 | DOI Listing |
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