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Scientists have invented a blood group 5

April 4 2007
14:33

Henrik Clausen of the University of Copenhagen and his colleagues from several universities in France, the United States and Sweden, as well - from an American company ZymeQuest, developed the technology transformation of the blood of any group in blood group 0, which can be transfused to all patients.

The very idea of converting blood group - a quarter century. In the 1980 U.S. scientists have shown that the enzyme extracted from green coffee beans, may remove the antigen B from the surface of red blood cells. The study authors report that the main barriers to implementation of this technology in clinical practice was a lack of effective enzymes.

Now an international team of researchers has discovered that an enzyme from the bacterium Bacteroides fragilis is very well remove the antigen B, and the enzyme from Bactria Elizabethkingia meningosepticum - removes antigen A.

Both of these enzymes are launching high-catalytic reaction, so that, for example, the consumption of the enzyme from Bacteroides fragilis, per a certain volume of blood is a thousand times smaller than the enzyme of coffee beans.

Thus, a special solution containing enzymes found by scientists, is able to quickly convert blood groups A, B and AB into blood group 0. Tells MEMBRANA.

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