Oxytocin stimulates repair of old mice’s muscles
Naturally produced hormone, well known for its role in social bonding, could help heal injuries in the elderly
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/06/ts_5082Image_crop.jpg?fit=860%2C460&ssl=1)
LOVE YOUR MUSCLES Old mice have trouble repairing their muscles after an injury (center, black shows missing muscle cells). The “love hormone” oxytocin helps old mice (right) regenerate muscle tissue as well as young mice (left) do. Muscle proteins are stained in red, DNA in blue.
C. Elabd and W. Cousin