Medicine's Cutting Edge: Re-Growing Organs
Wyatt Andrews at CBS News - thanks to a powder his brother gave him, Lee Spievack grew back the tip of a finger he sliced off in the propeller of a hobby shop airplane. Soon, this technology may provide brand new internal organs, grown from your own cells. [gizmodo]
That powder is a substance made from pig bladders called extracellular matrix. It is a mix of protein and connective tissue surgeons often use to repair tendons and it holds some of the secrets behind the emerging new science of regenerative medicine.
...
If this helped Spievack's finger regrow, Badylak says, at least in theory, you should be able to grow a whole limb.
Advances That Go Beyond Theory
In his lab at Wake Forest University, a lab he calls a medical factory, Dr. Anthony Atala is growing body parts.
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