It was found that the fixed cell of NIH3T3/TM TNFm, the supematant of NIH3T3/S TNFm, both fixed cell and supernatant of NIH3T3/Wt TNF could effectively kill tumor cell H22 in vitro.

• 在体外 ,NIH3T3/TM TNFm的固定细胞、NIH3T3/S TNFm的上清、NIH3T3/Wt TNF的固定细胞和上清均可有效杀伤肿瘤细胞H2 2。