Summarized by Masters of Longevity from Aging Cell.
Skeletal muscle aging explained through shifting cell–cell signals and population behaviors; a review that guides readers through conceptual frameworks and therapeutic directions.

Key Takeaways
- The review synthesizes evidence that altered crosstalk among muscle stem cells, immune cells, fibroblasts, and vasculature drives impaired muscle regeneration with age.
- Population dynamics models are used to explain how small cellular-state shifts produce large-scale decline in muscle repair capacity during aging.
- Therapeutic strategies discussed aim to restore regenerative niche signals or rebalance cell populations to rejuvenate aged muscle function.



