Methods: Using phytohemagglutinin(PHA)to stimulate peripheral blood mononuclear cells(PBMNCs) for 24 h,then cultured like incubating cytokine induced killers by traditional method.

• 方法:分离健康人外周血单个核细胞,用PHA先刺激单个核细胞24小时,然后按培养CIK细胞的传统方法继续培养至第15天。