Platelet and T cell activation antigen 1 (PTA1) was initially reported by Burns in 1985 with the name TLiSA1 (T lineage specific activation antigen 1, TLiSA1 ), and was renamed as PTA1 in 1989 because of its expression on platelet as well.

• 血小板和T细胞活化抗原1(platelet and T cell activation antigen 1，PTA1)最早在1985年由Bums等发现。 由于其表达于人活化T细胞而被命名为TLiSA1抗原(T lineage specific activation antigen 1，TLiSA1)。