Scientists have successfully grown kidneys made of mostly human cells inside pig embryos — taking researchers yet another step down the long road toward generating viable human organs for transplant.
The results, reported September 7 in Cell Stem Cell, mark the first time a solid humanized organ, one with both human and animal cells, has been grown inside another species.
The work represents an important advance in the methods needed to grow humanized kidneys, hearts, and pancreases in animals.
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