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Contact: Sarah Yang
scyang@berkeley.edu
510-643-7741
University of California - Berkeley

Muscle Fibers

Caption: On the left is healthy muscle tissue from a young mouse. The ability of muscle to repair itself decreases with age, as evidenced by the middle image of old muscle tissue, which shows a lower density of muscle fibers, increased scar tissue and inflammation. The addition of oxytocin to the blood of old mice rapidly rejuvenates the old muscle, as shown in the image on the right.

Credit: Photos by Wendy Cousin and Christian Elabd, UC Berkeley.

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Related news release: 'Trust hormone' oxytocin helps old muscle work like new, study finds


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