These proteins have historically been known under several other names including the SIS family of cytokines, SIG family of cytokines, SCY family of cytokines, Platelet factor-4 superfamily or intercrines.
Međutim, ovi proteini su istorijski bili poznati pod nekoliko drugih imena uključujući SIS familija citokina, SIG familija citokina, SCY familija citokina, Trombocit faktor-4 superfamilija ili interkrini.