Advancing Tissue Engineering By Building Better Blood Vessels

One of the major obstacles to growing new organs - replacement hearts, lungs and kidneys - is the difficulty researchers face in building blood vessels that keep the tissues alive, but new findings from the University of Michigan could help overcome this roadblock. "It's not just enough to make a piece of tissue that functions like your desired target," said Andrew Putnam, U-M associate professor of biomedical engineering. "If you don't nourish it with blood by vascularizing it, it's only going to be as big as the head of a pen...

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