[1] Jilin Univ, Coll Basic Med, Dept Immunol, Changchun, Peoples R China
[2] Jilin Univ, Coll Basic Med, Dept Biol Mol, Changchun, Peoples R China
[3] Blood Ctr Jilin Prov, Changchun, Peoples R China
[4] MIT, Ctr Canc Res, Dept Biol, Cambridge, MA 02139 USA