- 6 Mar, 2017
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A French teenager’s sickle cell disease has been reversed using a pioneering treatment to change his DNA.
The world-first procedure at Necker Children’s Hospital in Paris offers hope to millions of people with the blood disorder.
Scientists altered the genetic instructions in his bone marrow so it made healthy red blood cells.
So far, the therapy has worked for 15 months and the child is no longer on any medication.
Sickle cell disease causes normally round red blood cells, which carry oxygen around the body, to become shaped like a sickle.