Stem Cells in Nails Help Regrow Fingertips


(Photo: Wikimedia Commons)

Similar to how starfish and salamanders regrow limbs and tails, humans can regrow body parts as well. Researchers at NYU’s Langone Medical Center are studying how to regrow amputated fingertips. According to Dr. Mayumi Ito, stem cells found in a person’s fingernails can successfully promote regeneration. Structural tissue surrounding the nail produces proteins called “Wnts”, which help to stimulate the regrowth of the fingertip including bone. Researchers have shown that forcing tissue to produce Wnts will spur the regeneration of the fingertip even if most of the original Wnt-producing tissue was removed.

(Source: Medical Daily)

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