![]() ![]() ![]() The mouse stem cells are placed in a special incubator which moves to mimic a mother's womb. If human organs could one day be grown in a lab, the technique could provide life-saving transplants for thousands of people every year. They were described as 95-percent similar to normal mouse embryos. ![]() The vast majority of the cells failed to form anything.īut 50-0.5 percent of the 10,000 total-collected themselves into spheres, then embryo-like structures, the researchers said.Īfter eight days-around a third of the 20-day mouse gestation period-there were early signs of a brain and a beating heart, they added. The stem cells were then placed in a special incubator designed by the researchers, which continuously moved to mimic a mother's womb. They started by collecting cells from the skin of mice, then made them return to the state of stem cells. In research published in the journal Cell this week, scientists at the Weizmann Institute of Science in Israel said found a way to have mouse stem cells self-assemble into embryo-like structures in the lab. The breakthrough was hailed as a major step forward, though some experts said the result could not fully be considered to be embryos and warned of future ethical considerations. ![]()
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