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Updated: Jul 11, 2026

Preparation and Culture of Myogenic Precursor Cells/Primary Myoblasts from Skeletal Muscle of Adult and Aged Humans
Published on: February 16, 2017
Intrinsic changes and extrinsic influences of myogenic stem cell function during aging
Andrew S Brack1, Thomas A Rando
1Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA 94305-5235, USA.
Aging impairs skeletal muscle regeneration by affecting the function of myogenic stem cells (satellite cells) and their surrounding environment. Understanding these stem cell-environment interactions is key for developing therapies for age-related muscle decline.
Area of Science:
- Muscle biology
- Stem cell research
- Aging research
Background:
- Skeletal muscle regeneration relies on myogenic stem cells, also known as satellite cells.
- The efficiency of muscle regeneration decreases with age, indicating altered satellite cell function.
- Satellite cells are influenced by their surrounding tissue environment, which changes during aging.
Purpose of the Study:
- To review the mechanisms underlying impaired muscle regeneration in aging.
- To explore the role of satellite cell biology and their interaction with the aging muscle environment.
Main Methods:
- This is a review article, synthesizing existing research.
- Focuses on the biological mechanisms of satellite cells and their niche.
Main Results:
- Aging alters the functionality of satellite cells and their progeny.
- Extrinsic factors within the aging muscle tissue impact satellite cell behavior.
- Both reversible and irreversible changes occur in satellite cells due to aging.
Conclusions:
- Impaired muscle regeneration in aging is linked to changes in satellite cell biology and their niche.
- Further research into stem cell-environment interactions holds therapeutic potential for age-related muscle conditions.
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