Scientists Slow Aging in Fruit Flies
( 02:33 )
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Despite appearances, the humble fruitfly has much in common with humans, including a gene called PGC-1. PGC-1 is a key regulator of energy production in cells throughout the body, although for researchers at UCLA, none are as intriguing as those inhabiting the fruit fly's intestine. By boosting the gene's expressive output in those particular cells, a team led by David Walker found they were able to extend the lives of their experimental fruit flies by 50 percent.

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