The Role of RBCs Antigen in Alloimmunity and in Autoimmune Haemolytic Anaemia

blood group antigens can act as functional molecules and can evoke autoantibodies and alloantibodies, causing autoimmune hemolytic anemia, hemolytic disease of the newbron and hemolytic transfusion reactions. the international society of blood transfusion (isbt) currently recognizes 29 magor blood groub systems.