MHC Antigens
•Types of antigens: - continued
•5.Major Histocompatibility Complex (MHC)
•˜tissue antigens are found on surface of cells:
•UHLA-A, HLA-B, HLA-C
•Ualso called alloantigens or class I MHC antigens
•˜class II MHC antigens are:
•UHLA-DR, HLA-DP, and HLA-DQ
•˜most polymorphic genes of human genome
•˜participate in recognition of self and foreign antigens
•˜triggers rejection of incompatible tissue grafts
•˜serves as specific tissue markers that reflects genetic makeup of individual