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“It has been challenging to produce human scale tissues with 3D printing because larger tissues require additional nutrition,” Dr. Anthony Atala from Wake Forest School of Medicine, Winston-Salem, North Carolina told Reuters Health by email.
His team developed a process they call “the integrated tissue and organ printing system,” or ITOP for short. ITOP produces a network of tiny channels that allows the printed tissue to be nourished after being implanted into a living animal.
The researchers produced three types of tissue – bone, cartilage, and muscle – and transplanted it into rats and mice.
Via Ray and Terry's , guillaume riottot
