AIM: To construct the superantigen SEA (D227A) expression vector modulated by cis acting element of AFP and express it specifically on AFP + hepatocellular carcinoma (HCC) cells.

• 目的 :构建受AFP顺式作用元件调控的超抗原表达载体 ,将SEA(D2 2 7A)特异性的表达于AFP阳性肝癌细胞膜表面。