April 16, 2024Frontiers in Cell and Developmental BiologyOpen Access

Temporal regulation of the Mediator complex during muscle proliferation, differentiation, regeneration, aging, and disease

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DKDominic KolonayThe Ohio State University Wexner Medical Center KSKristina M. SattlerAmes Research Center CSCorinne StrawserNationwide Children's Hospital

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Implication

Experimental analysis reveals dynamic Mediator complex subunit expression in skeletal muscle, suggesting unique contributions to directing muscle stem cell fate.

Key Points

Mediator complex subunit expression displays dynamic temporal regulation during myogenesis, with distinct transcriptional shifts across muscle differentiation stages.
Unique temporal expression patterns emerge in muscle stem cells after injury, while dystrophic muscle nuclei exhibit extensive subunit expression heterogeneity.
Analysis of publicly available RNA-seq and single nuclei RNA-seq datasets, combined with in vitro and in vivo experiments, mapped subunit regulation in skeletal muscle.
Highlights how the complex coordinates myogenic regulatory factors during lineage transitions—preclinical models; further mechanistic studies remain necessary.

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Kolonay et al. (2024) studied this question.

synapsesocial.com/papers/68e6ee18b6db643587668d5a https://doi.org/10.3389/fcell.2024.1331563

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Implication

Experimental analysis reveals dynamic Mediator complex subunit expression in skeletal muscle, suggesting unique contributions to directing muscle stem cell fate.

Temporal regulation of the Mediator complex during muscle proliferation, differentiation, regeneration, aging, and disease

Discussion

Member takes

Implication

Key Points

Cite This Study

Temporal regulation of the Mediator complex during muscle proliferation, differentiation, regeneration, aging, and disease

Discussion

Member takes

Implication

Key Points

Cite This Study

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