Un ri��n de cerdo modificado gen�ticamente ha permitido a un estadounidense de 66 a�os sobrevivir nueve meses sin necesidad de di�lisis y hasta recibir un trasplante humano....

Gene-edited pig kidneys could offer a lifeline to patients stuck waiting for a human donor.

Tim Andrews, 67, from New Hampshire, US, lived with the animal organ for nine months before later receiving a human donation.