Objective To study the killing effect of suicide gene TK to murine gastric cancer and observe the role of immune response in enhancing TK killing capacity following TK gene combined with mGM-CSF gene.

• 目的 观察自杀基因TK对小鼠胃癌的杀伤作用 ,并联合mGM CSF基因 ,观察免疫反应在增强TK杀伤性中的作用。