An international team has grown up to 20,000 vascularized liver buds at a time and reversed liver failure in 60 percent of mice that received the implants.
Columbia University researchers recently generated beating cardiac tissue from induced pluripotent stem cells, human cells that are able to differentiate into nearly any cell type. Using physical conditioning, the researchers produced samples with the hallmarks of mature heart tissue with just four weeks of cell culture. The work paves a concrete pathway to functional heart-on-a-chip platforms.
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Dr. Sebastian Giwa discusses the challenges and strategies related to organ preservation.
Researchers have developed a human-on-a-chip, on which tissue from seven human organs is grown on a small polymer the size of a computer USB device. The chip is used for drug testing to cut the number of animal tests done.
A prosthetic valve enables blood to swirl naturally as it flows, reducing stress on blood vessels.