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Other systems of blood
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Other systems of blood

In 1930 for the discovery of blood groups K. Landsteiner was granted with the Nobel Prize. During ceremony he said that new agglutinogens will be discovered in future and the quantity of blood groups will increase until it reaches the number of Earth’s population. And he was right. Even in ABO blood system several variants of every agglutinogen was found. There are 10 variants of agglutinogen A. The difference between them is that A1 is the most active, and others have less antigenic properties. The blood group of these patients can be mistakenly defined as 1 blood group that can cause complications during transfusion.

Except ABO blood system, the most important are Rh, MNS, P, Luteran, Kell-Chelano, Daffi, Diego, and Kid. Antigens of these blood systems are situated on erythrocytes, independently on ABO system and independently on each other. These systems are important only when there are often blood transfusions and during pregnancy, which is incompatible by any of these antigens.



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