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Jun 15, 2020

Diluting blood plasma rejuvenates tissue, reverses aging in mice

Posted by in categories: biotech/medical, life extension, neuroscience

In 2005, University of California, Berkeley, researchers made the surprising discovery that making conjoined twins out of young and old mice—such that they share blood and organs—can rejuvenate tissues and reverse the signs of aging in the old mice. The finding sparked a flurry of research into whether a youngster’s blood might contain special proteins or molecules that could serve as a “fountain of youth” for mice and humans alike.

But a new study by the same team shows that similar age-reversing effects can be achieved by simply diluting the of old mice—no needed.

In the study, the team found that replacing half of the blood plasma of old mice with a mixture of saline and albumin—where the albumin simply replaces that was lost when the original blood plasma was removed—has the same or stronger rejuvenation effects on the brain, liver and muscle than pairing with young mice or young blood exchange. Performing the same procedure on had no detrimental effects on their health.

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