BST2 and HIV infectious disease: These include apolipoprotein B mRNA-editing, enzyme-catalytic, polypeptide-like 3 family proteins, which restrict HIV replication in DCs,14 MX2, which exerts post-entry inhibition of HIV infection,15, 16 and bone marrow stromal cell antigen 2 (also known as tetherin), which restricts release of HIV-1 from infected cells.17