June 18 (Bloomberg) -- Researchers at the University of Tokyo used stem cells from a mouse embryo to grow kidneys in mice lacking the organs, a step toward creating human body parts for transplant patients.
Scientists led by Hiromitsu Nakauchi at the university's Laboratory of Stem Cell Therapy injected embryonic stem cells into juvenile mouse embryos lacking a crucial gene needed to grow kidneys. Once implanted into the uterus, the embryos grew into fetuses with kidneys. Kidneys were grown in three mice. One had minor abnormalities. The others seemed normal, Nakauchi said.
Tags: Kidneys, stem cells
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