Explain the clinical importance of human leukocyte antigens hla
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The human leukocyte antigen (HLA) system, the major histocompatibility complex (MHC) in humans, is controlled by genes located on chromosome 6. It encodes cell surface molecules specialized to present antigenic peptides to the T-cell receptor (TCR) on T cells. MHC molecules that present antigen (Ag) are divided into 2 main classes:
Class I MHC molecules
Class II MHC molecules
Class I MHC molecules
Class II MHC molecules
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