PMID: 6980847Jun 15, 1982Paper

Disease-related lymphocyte cytotoxicity in rats bearing transitional cell carcinoma of bladder. Effect of immunomodulators

International Journal of Cancer. Journal International Du Cancer
C MorozM Many

Abstract

Blood lymphocytes from rats bearing transitional cell carcinoma (TCC) of the bladder were studied for their cytotoxicity in vitro against xenogeneic YAC-I target and against syngeneic TCC cells. Control lymphocytes were obtained from age and sex-matched syngeneic rats. The following differences were observed: (1) lymphocytes from TCC-bearing rats were cytotoxic to syngeneic TCC target cells whereas those from control rats were not; (2) lymphocytes from TCC-bearing and control rats were cytotoxic to NK sensitive YAC-I cells; however, NK cells from TCC-bearing rats were more adherent to nylon wool-columns than NK cells from control rats. The adherent and non-adherent cells from TCC-bearing rats were both cytotoxic to syngeneic TCC target cells. Levamisole treatment of effector cells from TCC-bearing rats did not affect the NK activity, yet it increased the cytotoxicity of non-adherent cells on TCC target cells. Treatment of the adherent cells with poly-I:poly-C increased slightly their NK activity on YAC-I cells and their anti-TCC cytotoxicity. However, a marked increase in the cytotoxicity by both adherent and non-adherent cell fractions was observed on TCC target cells pretreated with poly-I:poly-C. A disease-related cytotoxici...Continue Reading

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Citations

Dec 1, 1988·Transplant International : Official Journal of the European Society for Organ Transplantation·F ReckerW Lutzeyer

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