London, Feb 29 (IANS) Children shot with their own stem cells, for the very first time in a rare immune disorder, have shown improvement.

The condition, known as X-CGD, is caused by faulty genes. Doctors were able to take a sample of the children's stem cells, manipulate them in the lab and reintroduce them. This gave the children a working copy of the faulty gene and their condition improved, enabling them to temporarily fight off infections.

It is the third immune disorder that doctors at Great Ormond Street Hospital have successfully tackled. The others were the life-threatening conditions, X-SCID and ada-SCID, and 90 percent of treated children have improved, with some showing signs that their immune system has been normalised for good.

Remy Helbawi, 16, from South London, was the first child with X-CGD to be treated. The condition only affects boys and means that while his body produces the white blood cells to fight viruses it does not have the correct cells to fight off bacterial or fungal infections, The Telegraph reports.

The resulting infections can be life-threatening. Up until now the only treatment has been a bone marrow transplant which would offer a permanent cure.

Remy's brother who also had the disease was found a bone marrow match and was successfully treated that way but no match has been found for Remy and a serious lung infection was threatening his life.

Remy said: "Until I was 10 I had the same life as anyone else, except I had eczema a lot of the time. I didn't have a fungal infection until about ten, but when I got my first fungal infection my life changed. I missed a lot of school, I had lots of tests and was in hospital. I would get exhausted after climbing stairs."

Before undergoing the gene therapy, Remy had to have chemotherapy which made his hair fall out and he was kept in isolation for a month.

Remy's nurse Helen Braggins said: "Remy had been unwell for last two years and began to miss school. He had significant fungal lung disease in January of last year, which was getting worse. Without some radical treatment intervention, Remy would not have survived and was becoming increasingly short of breath."

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Children improve in rare disorder with own stem cells

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