Stem cell researchers give old muscle new pep

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Shown here is muscle tissue from an old mouse. After UC Berkeley researchers manipulated the biochemical response of adult stem cells in the old tissue the muscle was able to repair itself from damage almost as well as muscle from young mice. Photo c ...
Shown here is muscle tissue from an old mouse. After UC Berkeley researchers manipulated the biochemical response of adult stem cells in the old tissue, the muscle was able to repair itself from damage almost as well as muscle from young mice. Photo courtesy of Morgan Carlson and Irina Conboy, UC Berkeley

Old muscle got a shot of youthful vigor in a stem cell experiment by bioengineers at the University of California, Berkeley, setting the path for research on new treatments for age-related degenerative conditions such as muscle atrophy or Alzheimer's and Parkinson's diseases.


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