Differentiation antigens found on thymocytes and on cytotoxic and suppressor T-lymphocytes. T8 antigens are members of the immunoglobulin supergene family and are associative recognition elements in MHC (Major Histocompatibility Complex) Class I-restricted interactions. (mesh:D016827)
| Synonym | Reference | Specificity |
| CD8 | Exact |
| Identifier | Name | Relation |
| HGNC:1707 | CD8B | isa |
| HGNC:1706 | CD8A | isa |