Abstract
We established a cell line (STKM-1) from tumor cells obtained from carcinomatous pleural effusion of a gastric cancer patient. The lymphocytes separated from her peripheral blood or pleural effusion were cryopreserved and immunological experiments were performed after the establishment of the cell line. They were treated with IL-2 or with both IL-2 and mitomycin C (MMC)-treated autologous STKM-1 cells. The cytolytic activity against STKM-1 cells was elevated in lymphocytes cultured with IL-2, and was more prominently augmented in lymphocytes cultured with both IL-2 and MMC-treated STKM-1 cells. The elevation in cytolytic activity was more marked with pleural effusion lymphocytes than with the peripheral blood lymphocytes. The results suggest that the lymphocytes obtained from the pleural effusion would be an excellent source for adoptive immunotherapy.
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Abbreviations
- IL-2:
-
interleukin-2
- LAK:
-
lymphokine activated killer
- MLTC:
-
mixed lymphocyte tumor cell culture
- MMC:
-
mitomycin C
- MoAbs:
-
monoclonal antibodies
- TIL:
-
tumor infiltrating lymphocytes
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Sairenji, M., Yanoma, S., Motohashi, H. et al. Induction of cytolytic activity of lymphocytes from carcinomatous pleural effusion by IL-2 and autologous tumor cells. Biotherapy 6, 283–290 (1993). https://doi.org/10.1007/BF01878358
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DOI: https://doi.org/10.1007/BF01878358