HLA-A Antigens

Synonyms

Antigens, HLA A

Antigens, HLA-A

HLA A Antigens

HLA-A

Polymorphic class I human histocompatibility (HLA) surface antigens present on almost all nucleated cells. At least 20 antigens have been identified which are encoded by the A locus of multiple alleles on chromosome 6. They serve as targets for T-cell cytolytic responses and are involved with acceptance or rejection of tissue/organ grafts.