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The Boston Globe

Nation

Kidney created in lab raises hopes for humans

Transplanted into rat, organ was able to produce urine

Researchers from Massachusetts General Hospital announced Sunday an important advance in the effort to build replacement organs: a bioengineered rat kidney that, when transplanted into a rat, was capable of producing urine.

Years of research remain before scientists even contemplate testing such a transplant in a person, but the team plans to take a step toward that goal in the next month, transplanting bioengineered pig kidneys into live animals to see if they will function.

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