Growing new organs to take the place of damaged or diseased ones is moving from science fiction to reality, according to researchers at Washington University School of Medicine in St. Louis. Scientists have previously shown that embryonic tissue transplants can be used to grow new kidneys inside rats. In their latest study, though, they put the new kidneys to an unprecedented and critical test, removing the rat’s original kidneys and placing the new kidneys in position to take over for them. The new kidneys were able to successfully sustain the rats for a short time.
