Bio-Printed Blood Vessels Keep Grafts Alive

Bio-Printed Blood Vessels Keep Grafts Alive
A new method of bioprinting living skin embedded with blood vessels could offer a valuable source of skin grafts.

Developed by a team from Rensselaer Polytechnic Institute in collaboration with researchers from Yale, the new method relies on adding human endothelial and pericyte cells to previously developed bio-inks. Skin printed using the new bio-inks began to grow blood vessels within a few weeks, which then communicated with the test animals’ natural blood vessels when applied as a graft to become perfused with blood.

According to Associate Professor and leader of the study Pankaj Karande, "That’s extremely important, because we know there is actually a transfer of blood and nutrients to the graft which is keeping the graft alive."

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