Dendritic cell induced cytotoxic lymph cells for the therapy of nude mouse transplanted tumor by pancreas cancer cell line Bxpc-3
- VernacularTitle:树突状细胞诱导特异性细胞毒性淋巴细胞对胰腺癌细胞荷瘤鼠种植模型的治疗研究
- Author:
Dachuan LIU
;
Fei LI
;
Jiabang SUN
- Publication Type:Journal Article
- Keywords:
Pancreatic neoplasms;
Lymphocytes
- From:
Chinese Journal of General Surgery
2000;0(12):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To study the antitumor effect of dendritic cell(DC) induced cytotoxic T lymphocyte (CTL). Method CTL induced by DC extracorporeally, were co-cultured with Bxpc-3 cells, CTL activity was observed by counting the killing of Bxpc-3 cells in vitro. Nude mice with Bxpc-3 cell transplant tumors were treated by injection of CTL on the edge of tumors, and kinetics of tumor growth was recorded, RT-PCR-ELISA was used to determine the telomerase of transplant tumor. Result CTL activity was 71.6%. Thirty-one days after transplantation tumor size and telomerase activity were not statistically different among therapy group and control group, whereas after fifty-five days tumor size (38?6)mm 2 , and telomerase activity (1.33?0.03) in CTL group were statistically different from that of ( 74? 33)mm 2 and (4.16?0.32) in control group. ConclusionDC induced CTLs suppress the experimental pancreatic tumor growth, providing an evidence for clinical immunotherapy of pancreatic cancer.
