Old Mice Made "Young"—May Lead to Anti-Aging Treatments

When injected with muscle stem cells from young mice, older mice with a condition that causes them to age rapidly saw a threefold increase in their life spans, said study co-author Johnny Huard, a stem-cell expert at the McGowan Institute for Regenerative Medicine in Pittsburgh.

Not only did the animals live longer, they also seemed healthier, the scientists found.

"We can conclude that probably normal stem cells secrete something we don't know that seems to improve the defects in those aging stem cells," Huard said.

"If we can identify that, we have found an anti-aging protein that is going to be important" for people, said Huard, whose study appeared January 3 in the journal Nature Communications.

Indeed, study co-author Huard noted that before any human anti-aging trials can begin, scientists need to repeat the experiment in normally aging mice to show whether these mice also live longer.

Wouldn't it be great if they could identify and sythesize the secreted substance in time to be useful to us. Of course it'd make overpopulation even worse.

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Probably another case of the science world teasing us with something that is likely a long way off.  I'm ready to look and feel 30 again now!



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