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Researchers 3D-print a functioning human heart pump in the lab

Researchers 3D-print a functioning human heart pump in the lab

In a groundbreaking new study, researchers at the University of Minnesota have 3D printed a functioning centimeter-scale human heart pump in the lab.

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The discovery could have major implications for studying heart disease, the leading cause of death in the United States killing more than 600,000 people a year. The study is published and appears on the cover of Circulation Research , a publication of the American Heart Association.

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In the past, researchers have tried to 3D print cardiomyocytes, or heart muscle cells, that were derived from what are called pluripotent human stem cells. Pluripotent stem cells are cells with the potential to develop into any type of cell in the body. Researchers would reprogram these stem cells to heart muscle cells and then use specialized 3D printers to print them within a three-dimensional structure, called an extracellular matrix. The problem was that scientists could never reach critical cell […]

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