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A swifter way towards 3D-printed organs

from Wyss Institute for Biologically Inspired Engineering at Harvard via ScienceDaily

Artificially grown human organs are seen by many as the "holy grail" for resolving the organ shortage, and advances in 3D printing have led to a boom in using that technique to build living tissue constructs in the shape of human organs. However, all 3D-printed human tissues to date lack the cellular density and organ-level functions required for them to be used in organ repair and replacement. Now, a new technique called SWIFT (sacrificial writing into functional tissue), created by researchers from Harvard's Wyss Institute for Biologically Inspired Engineering and John A. Paulson School of Engineering and Applied Sciences, overcomes that major hurdle by 3D printing vascular channels into living matrices composed of stem-cell-derived organ building blocks, yielding viable, organ-specific tissues with high cell density and function. The research is reported in Science Advances. more

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