HLA antigen

American  

noun

Immunology.

1. an antigen of the HLA group, designated by a letter (HLA-A, HLA-B, etc.) according to the chromosome locus on which the controlling HLA gene appears and additionally by a number (HLA-A1, HLA-A2, etc.) according to the order of discovery and identification.

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Example Sentences

However, there is a danger that if an HLA protein efficiently binds an antigen that is normally part of the body, and if a T cell that recognizes the HLA–antigen complex is activated, autoimmunity could develop.

From Nature