Some cytokines play an important role in aetiology and pathogenesis of leukaemia. Majority of data available in the literature relates to a single cytokine in the cell culture in vitro. In patients with chronic myelogenous leukaemia several different cytokines are probably active. Therefore, this study aimed to determine the concentrations of interleukin-1 beta, G-CSF, L-selectin in leukaemia cell culture supernatant, broken granulocytes and plasma in the course of disease exacerbation and remission. Cytokines have been assayed with available immunoenzymatic kits of ELISA type. IL-1 beta, G-CSF and L-selectin levels have been increased in cell supernatant but IL-1 beta level has been decreased in non-stimulated broken granulocytes. G-CSF levels have been low both in stimulated and non-stimulated granulocytes. In comparison to control the lowered levels of G-CSF and L-selectin have been observed in blood plasma of patients with CML. Different levels of assayed cytokines and adhesion molecule may suggest their contribution to leukaemia cells proliferation regulation.
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