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Published on 21 May 2008

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New treatment for haemophiliacs


Researchers have developed a chemically modified protein which could be used to help treat people with the genetic bleeding disorder Haemophilia A.

People with the blood clotting disorder typically receive injections of a protein called Factor VIII (FVIII) to control potentially life-threatening episodes of bleeding.

But FVIII is in short supply, and as many as one in three people with Haemophilia A produce inhibitor antibodies, which attack the coagulatory gene and cancel out its blood-clotting benefits.

However, pathologists at The University of Texas Health Science Centre in Houston, USA, have developed a chemically modified version of FVIII which neutralises these inhibitor antibodies, and paves the way for the correction of the blood-coagulating process.

The modification, called electrophilic FVIII analog (E-FVIII), could provide a more economically feasible method of treating inhibitor antibodies, the researchers say.

The discovery and the results of pre-clinical tests have been published in the Journal of Biological Chemistry.

Copyright © PA Business 2008

Journal of Biological Chemistry

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