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Scientists take first steps in growing working livers
"a big step in the right direction"
US scientists have created working liver grafts in the lab, and say the research could one day allow the growth of livers for transplant.
There is a shortage of liver donors, but so far it has been difficult to grow replacement organs.
In the work, published in Nature Medicine, a team from Massachusetts General Hospital, created successful grafts using rat cells.
A UK expert said it was "a big step in the right direction".