Young blood reverses aging in mice: The race to find rejuvenating factors in heterochronic parabiosis
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Summary
The article discusses heterochronic parabiosis, a technique where the circulatory systems of young and old mice are surgically joined to share blood. First pioneered in the 1860s by Paul Bert and revived in 2005 by Stanford researchers Thomas Rando and Irina Conboy, the method has shown that young blood can reverse aging signs across multiple tissues (heart, brain, muscle, liver, kidney). This discovery has sparked a heavily funded race in biotechnology to identify the specific factors in young blood responsible for these rejuvenating effects.
Key quotes
· 3 pulledThe technique is called heterochronic parabiosis, and it works by surgically joining the circulatory systems of two animals of different ages so that they share a common blood supply.
In 2005, Thomas Rando and Irina Conboy at Stanford University revived the method and applied it specifically to the question of whether circulating factors in young blood could rejuvenate aged tissues.
The search for the specific factors in young blood that cause this effect has now become one of the most heavily funded races in modern biotech.
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