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Geneticists Discover a Way to Extend Lifespans to 800 Years

January 27, 2013
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Source: IO9

There is now a way to extend the lifespan of organisms so that humans could conceivably live to be 800 years old. In an amazing development, scientists at the University of Southern California have announced that they've extended the lifespan of yeast bacteria tenfold — and the recipe they used to do it might easily translate into humans. It involves tinkering with two genes, and cutting down your calorie intake. Tests have already started on people in Ecuador.

According to an announcement from PLoS Genetics:

Researchers have created baker's yeast capable of living to 800 in yeast years without apparent side effects. The basic but important discovery, achieved through a combination of dietary and genetic changes, brings scientists closer to controlling the survival and health of the unit of all living systems: the cell. "We're setting the foundation for reprogramming healthy life," says study leader Valter Longo of the University of Southern California.

Longo's group put baker's yeast on a calorie-restricted diet and knocked out two genes - RAS2 and SCH9 - that promote aging in yeast and cancer in humans.

"We got a 10-fold life span extension that is, I think, the longest one that has ever been achieved in any organism," Longo says. Normal yeast organisms live about a week.

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