Frogs briefly treated with a five-drug cocktail administered by a wearable bioreactor on the stump were able to regrow a functional, nearly complete limb.
For millions of patients who have lost limbs for reasons ranging from diabetes to trauma, the possibility of regaining function through natural regeneration remains out of reach. Regrowth of legs and arms remains the province of salamanders and superheroes.
But in a study published in the journal Science Advances, scientists at Tufts University and Harvard University’s Wyss Institute have brought us a step closer to the goal of regenerative medicine.
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