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Researchers Use Light and 3D Printing to Pump Life into Heart

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DOUGLAS FARMER, SENIOR EDITOR
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Although it can be difficult to get heart muscle cells to propagate in large numbers, a team of researchers at the University of Minnesota has found a way to use 3D printing and light-induced excitation to create a living heart pump that has broad implications in medicine. Historically, scientists have attempted to 3D print cardiomyocytes, heart muscle cells from stem cells, but could never reproduce them in sufficient numbers to establish their functionality. The Minnesota team tried a new approach, using an ink mixture made of proteins and combining it with human stem cells projected...Read full article

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