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Parallels between mice and yeast uncover a potentially universal aging mechanism

Elderly mice and aging yeast have more in common than scientists ever suspected. A new study by Harvard Medical School researchers reveals that the biochemical mechanism that makes yeast grow old has a surprising parallel in mice, suggesting it may be a universal cause of aging in all organisms.
 
"It was very exciting when we made the discovery, because it was so unexpected," says David Sinclair, a Harvard Medical School professor of pathology and senior author of the study, published today in Cell.

 

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