Summary
The influence of a) tissue culture medium (RPMI), b) homologous plasma (HP), and c) fetal calf serum (FCS) on lymphocytic cortisol metabolism was compared to that of phosphate buffered saline alone. RPMI was found to enhance the conversion rate 1.71 times, whereas HP and FCS enhanced it about 3.2 times. Raising the temperature of the HP and FCS to 100°C before incubation reduced the enhancing effect to the level of that obtained with RPMI.
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This work was supported by The Israel Cancer Research Fund N.Y. (George and Rose Blumenthal Research Fellowship for Hodgkins Disease). The authors are grateful to Dr Malchi and his staff from the Beilinson Hospital Blood Bank, for supplying us with buffy coats and to Mr Z. Klein for drawing the figure.
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Klein, A., Kaufmann, H., Arie, R. et al. The influence of homologous plasma and fetal calf serum on human lymphocytic cortisol metabolism. Experientia 35, 114–115 (1979). https://doi.org/10.1007/BF01917912
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DOI: https://doi.org/10.1007/BF01917912