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3D printed organs: We’re closer to solving the problem of how to supply them with blood

3D printed organs: We’re closer to solving the problem of how to supply them with blood

Written by David

May 16, 2019

Injected hydrogel into a 3D printed mold produced this artificial kidney. Image: University of Rochester Medical Center We’re tantalizingly close to growing organs in the lab, but the biggest remaining challenge has been creating the fine networks of blood vessels required to keep them alive. Now researchers have shown that a common food dye could solve the problem. … But a common challenge … is what is known as vascularization. Building bulk tissue isn’t too challenging, but scientists have struggled to create the intricate networks of tiny blood vessels that carry nutrients and oxygen deep into organs and carry waste products out. That’s why most demonstrations thus far have been of organelles just an inch or two across or hollow structures like throats or bladders. [A] team of American researchers led by scientists at Rice University in Texas have created a 3D bioprinter that can print vessels. … The […]

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