For instance, deficiency of Factor VIII causes classic Hemophilia A while deficiencies of Factor IX cause " Christmas disease " ( hemophilia B ).
12.
Researchers believe hemophilia B is suitable for gene therapy because the factor IX gene is small and a healthy copy can be easily substituted.
13.
DNA testing on the remains of the royal family proved conclusively in 2009 that Alexei suffered from Hemophilia B, a rarer form of the disease.
14.
The blood-clotting treatment, known as Benefix, for hemophilia B, was recommended for approval last week by an advisory panel to the Food and Drug Administration.
15.
Only about one-fifth of all hemophiliacs suffer from Hemophilia B, which means about 3, 000 people in the U . S ., the company said.
16.
Researchers at Children's Hospital of Philadelphia and Stanford University cautioned that their success in treating hemophilia B, a relatively rare form of the illness, was preliminary.
17.
Although the potential market for hemophilia B remedies is relatively small, just $ 350 million a year, Bayer is buying into the cutting edge of biotechnology.
18.
If all goes according to plan, that waiting will certainly be worthwhile for the roughly 8, 000 people in the developed world who suffer from hemophilia B.
19.
Cohen said protein injections to curb hemophilia A represent a market of $ 1.6 billion in the United States, more than four times the market for hemophilia B.
20.
In the hemophilia B trial, the vector carries the correct version of the human gene for Factor IX, one of the many proteins involved in making blood clot.