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. 1990;31(2):76-80.
doi: 10.1007/BF01742369.

Expression of interleukin-2 receptor on blood lymphocytes stimulated with allogeneic lymphocytes or autologous tumor cells. The mixed lymphocyte culture of allo-sensitized individuals and the auto-tumor stimulation show similar kinetics of activation

G Stuber  1 , F Vánky, E Pócsik, M Benczúr, E Klein
Affiliations

Expression of interleukin-2 receptor on blood lymphocytes stimulated with allogeneic lymphocytes or autologous tumor cells. The mixed lymphocyte culture of allo-sensitized individuals and the auto-tumor stimulation show similar kinetics of activation

G Stuber et al. Cancer Immunol Immunother. 1990.

Abstract

The kinetics of interleukin-2 receptor (IL-2R) expression and the [3H]dT incorporation of blood lymphocytes after the first and the second stimulation with allogeneic leukocytes (primary and secondary MLC) or with the autologous tumor cells (primary and secondary MLTC) were compared. The expression of IL-2R paralleled the induction of DNA synthesis. The proportion of IL-2R+ cells of the unprimed donors peaked earlier in the secondary MLC as compared to the primary MLC (on days 3 and 5 respectively). In MLC of alloimmunized healthy individuals and in the MLTC of cancer patients the highest proportions of IL-2R+ cells were detected between days 2 and 3 after both the first and second stimulations. Thus the first in vitro stimulation in the MLTC showed similar kinetics to those of the secondary MLC of unprimed individuals and to the primary MLC response of the allo-immunized individuals. The findings in the MLTC substantiate the hypothesis that cancer patients can be sensitized to their own tumors. The kinetics of the appearance of the IL-2R together with the characteristics of the IL-2-propagated cultures provide useful information for the strategy of expansion of auto-tumor reactive lymphocyte populations.

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