Hylkäämisreaktio
Hylkäämisreaktio, often referred to as rejection in a medical context, is the process by which a recipient's immune system attacks a transplanted organ or tissue. This occurs because the immune system recognizes the transplanted material as foreign due to differences in cell surface markers, primarily the human leukocyte antigen (HLA) system. Even with extensive matching, some degree of immune incompatibility is common.
There are several types of rejection. Hyperacute rejection happens within minutes to hours after transplantation and
To prevent or manage rejection, immunosuppressive drugs are administered to the recipient. These medications dampen the