Scientists at the NHSBT International Blood Group Reference Laboratory (IBGRL) and the University of Bristol have created a new blood group system called MAL. Research results It was published In Blood magazine.
Traditionally, blood groups are classified as first, second, third and fourth. In each of them, red blood cells contain special surface markers (antigens). However, the blood has a more complex composition, and to date, scientists have identified 47 blood group systems, which account for the presence of more than 360 antigens.
The new system developed by British researchers is based on the classification of blood groups according to the AnWj antigen transmitted by the Mal protein. According to scientists, when blood is transfused from people with a positive genotype to people with a negative AnWj genotype, an adverse reaction may occur.
More than 99.9% of the population has a positive AnWj genotype. However, scientists have discovered a few representatives with a negative genotype. The most common causes of negative AnWj were hematological diseases and some types of cancer. Due to genetic factors, only a few people had this trait.
According to scientists, their discovery will help identify individuals with rare blood characteristics and optimize the transfusion procedure for them.
Previously was created A highly accurate blood test to check for paralyzing disease.
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Source: Gazeta
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