Researchers from the Wake Forest Institute for Regenerative Medicine (Weixin Zhao, Tamer Aboushwareb, Dennis Dice BS, Anthony Atala, James J Yoo) showed off the results of a unique experiment involving a printer that uses living cells as its “ink.” Using an inkjet printer and cartridges full of living tissue, the researchers demonstrate rapid healing in animals. Tests on mice revealed advanced healing by both the second and third week of recovery, with complete closure and formation of scar tissue by week three in treated (but not untreated) subjects. Covering burns and related wounds is of critical importance because any loss of full-thickness skin of more than 4 cm in diameter will not heal by itself. This treatment will be important for 10,000 to 40,000 people in the USA each year and about twenty times that number worldwide.

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