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题目:: Generation of lymphokine-activated killer (LAK) cells from tumor-infiltrating lymphocytes.
作者:: Nishimura(T),Yagi(H),Uchiyama(Y),Hashimoto(Y)
状态:: 发布时间1986-10-07 , 更新时间 2008-11-21
期刊:: Cell Immunol
摘要:: Culture of tumor-infiltrating lymphocytes (TIL) containing about 20% BMC2 tumor cells with recombinant human interleukin 2 (rIL-2) resulted in the diminish of tumor cells and the growth of lymphocytes. These IL-2-activated lymphocytes showed a strong cytotoxic activity against not only syngeneic tumor cells but also allogeneic tumor cells. Such broad-reactive killer cells, termed lymphokine-activated killer (LAK) cells, are also inducible from spleen cells by in vitro activation with IL-2. However, LAK cells generated from TIL (TIL-LAK) showed higher cytotoxic activity against BMC2 than LAK cells generated from spleen cells (S-LAK). Furthermore, it was demonstrated that TIL-LAK cells revealed marginal cytotoxic activity against normal Con A blasts and YAC-1 cells as opposed to S-LAK. Flow cytometric analysis of TIL-LAK indicated that TIL-LAK cells mainly consisted of Thy 1.2+, Ly 2+, asialo GM1+ cells. TIL-LAK cells displayed not only in vitro cytotoxicity but also in vivo anti-tumor activity. Furthermore, it was also confirmed that TIL-LAK cells could be induced in autochthonous mouse tumor systems and human gastric tumor systems.
语言:: eng
DOI:

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