Heart valves grown with stem cells
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Swiss researchers have perfected a technique for growing heart valves in the laboratory from stem cells in amniotic fluid (the fluid that surrounds a fetus during gestation).
They hope that it will one day be possible to detect a heart defect in utero, harvest some amniotic stem cells, grow a new heart valve during the pregnancy, and have a perfect tissue-matched valve ready to implant as soon as the baby is born.
Isn't that neat?