Old muscle stem cells can act young again but there’s a catch
AI Summary
Researchers from UCLA found that a protein named NDRG1 in older muscle stem cells hampers their ability to quickly repair injuries, leading to slower healing in aging muscles. While this protein acts as a brake on repair, it also ensures the cells' survival through aging, which is why they persist longer. This dual role of NDRG1 sheds light on the complex mechanisms behind muscle aging and could pave the way for targeted therapies to enhance muscle repair in older adults.
Original Source
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