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First fetus-to-fetus transplant demonstrated in rats
The tissue developed into functioning kidneys and produced urine.
Researchers have previously injected cells and amniotic fluid into fetuses 1, including human ones, but these are the first reports of organ and tissue transplants inutero, he says. A close look at the kidneys revealed that the fetuses’ blood vessels had grown inside the donated tissue, which made them less likely to be rejected by the immune system. Other researchers agree: “In principle, the prospect of organ transplantation inutero is an amazing concept,” says Ahmet Baschat, a specialist in fetal interventions at Johns Hopkins University in Baltimore, Maryland.
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