Anti-XAGE1A antibodies are used in the immunodetection of the protein X antigen family member 1A. Synonyms for this target antigen include G antigen family D member 2, G antigen, family D, 2, cancer/testis antigen 12.1, cancer/testis antigen family 12, member 1a, cancer/testis antigen family 12, member 1b, and X antigen family member 1.