MHC
Antigens
•Types of antigens: - continued
•5.Major
Histocompatibility Complex (MHC)
•˜tissue
antigens are found on surface of cells:
•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