Alloimmunization is a response by the body's immune system to
donated blood or bone marrow or a transplanted organ. In alloimmunization, a
person's body develops antibodies—proteins that attack and destroy foreign
substances—that target the donated material.
A person receiving repeat blood transfusions may develop antibodies
to the donor blood. Alloimmunization makes repeated transfusions more
E. Gregory Thompson, MD - Internal Medicine & Martin Steinberg, MD - Hematology
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