Anti-SSX4 antibodies are used in the immunodetection of the protein SSX family member 4. It is notably expressed in the testis. Synonyms for this target antigen include protein SSX4, cancer/testis antigen 5.4, synovial sarcoma, X breakpoint 4, and CT5.4. Western Blot is a widely used application for the SSX4 antibodies listed below. In addition, ELISA is also a common application.