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  • Title: Interaction between normal and leukaemic human cells in agar culture.
    Author: Knudtzon S, Mortensen BT.
    Journal: Scand J Haematol; 1976 Nov; 17(5):369-78. PubMed ID: 1087453.
    Abstract:
    The influence of leukaemic cells from 12 patients with acute leukaemia on normal granulopoiesis in agar culture was investigated using leukeamic cell feeder layers. Leukaemic feeder cells from 7 of the 12 patients elicited no colony growth, while cells from the remaining 5 stimulated normal colony growth. In 3 of the 7 non-stimulatory patients release of inhibitory factors from the leukaemic cells seemed responsible for the effect on normal granulopoiesis, while inappropriate colony stimulating factor (CSF) production by the feeder cells could not be ruled out in the remaining 4 patients. When the leukaemic cells were cultured with, as well as without, conditioned medium, cells from 5 of the patients formed clusters. Growth in these cultures did not correlate to the effect found in the feeder layer experiments.
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