Brian Madeux, 44, uses an infrared device to look at his veins as nurse Siobhan Field prepares an IV line for the first human gene editing therapy for NPS, at the UCSF Benioff Children's Hospital Oakland in Oakland, Calif., on Monday, Nov. 6, 2017.  Madeux, who has a metabolic disease called Hunter syndrome, will receive billions of copies of a corrective gene and a genetic tool, through an IV,  to cut his DNA in a precise spot.
Brian Madeux, 44, uses an infrared device to look at his veins as nurse Siobhan Field prepares an IV line for the first human gene editing therapy for NPS, at the UCSF Benioff Children's Hospital Oakland in Oakland, Calif., on Monday, Nov. 6, 2017. Madeux, who has a metabolic disease called Hunter syndrome, will receive billions of copies of a corrective gene and a genetic tool, through an IV, to cut his DNA in a precise spot. Eric Risberg AP Photo
Brian Madeux, 44, uses an infrared device to look at his veins as nurse Siobhan Field prepares an IV line for the first human gene editing therapy for NPS, at the UCSF Benioff Children's Hospital Oakland in Oakland, Calif., on Monday, Nov. 6, 2017. Madeux, who has a metabolic disease called Hunter syndrome, will receive billions of copies of a corrective gene and a genetic tool, through an IV, to cut his DNA in a precise spot. Eric Risberg AP Photo

AP Exclusive: US scientists try 1st gene editing in the body

November 15, 2017 09:22 AM

UPDATED November 15, 2017 09:23 AM

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