Aging impairs the regenerative capacity of skeletal muscle stem cells. Here, the authors identify a stem cell-specific fibronectin splice variant and show that its cell-autonomous secretion through the TGFβ1-Smad3-Srsf1 pathway can be targeted to restore tissue repair in aged mice
- Yuguo Liu
- Svenja C. Schüler
- C. Florian Bentzinger
