Histocompatibility
in Transplantation
•Complete tissue compatibility:
•UOnly if
between identical twins
•UHave same
histocompatibility (HLA) antigens
•Ubecause of
foreign HLA antigens
•Uthe greater
the mismatch of HLA antigens the higher the risk of rejection
•Pre-transplantation
testing:
•UHLA antibody
screening/identification:
•eidentification
of HLA class I and HLA class II antigens
•edetects the
presence of antibodies (anti-HLA) in patient that react with HLA antigens of donor
•edetects the
presence of antibodies (anti-HLA) in patient and identifies the type of antibody.