The tumor specific CTL was generated form activated autologous T cell by DC vaccine loaded with tumor antigen, and the killing activity of CTL to CT26 cells was tested by the lactate dehydrogenase (LDH) release assay in vitro.

• 负载肿瘤抗原的DC疫苗激活同源T淋巴细胞产生细胞毒性T淋巴细胞(CTL),采用乳酸脱氢酶(LDH)4h释放法检测CTL在体外对CT26细胞的杀伤活性;