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Increased Autophagy Improves Stem Cell Activity and Restores Bone Loss in Mice

Researchers here provide evidence for increased autophagy, achieved via targeting mTOR to mimic some of the response to calorie restriction, to improve stem cell function in old mice. As a result some of the loss of bone mass and strength that occurs with age was reversed. Autophagy is the collection of maintenance processes responsible for clearing out broken proteins and structures in the cell, but like most of our biochemistry it declines in effectiveness with age.
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