Synthetic Blood Transfusions Are Coming

From Gizmodo:

Technically, what the NHS is calling the world’s first “synthetic blood” is actually biological in origin: It’s produced in vitro by extracting stem cells from the umbilical cords of newborn babies or from adult bone marrow. Placed in the proper chemical environment in the lab, stem cells can be stimulated along a particular developmental pathway that eventually leads to fully-functional red blood cells. Researchers have been developing the technology to manipulate stem cells for years, and now, our tools have advanced to the point that scaling up and producing entire blood bags seems within reach.

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