Cytokine response profiles of human myeloid factor-dependent leukemia cell lines

Leukemia
H G DrexlerH Quentmeier

Abstract

Research in cytokine biology has grown exponentially in recent years as cytokines (often also termed growth factors) are now known to be involved in a wide range of pathological and physiological processes. Continuous human leukemia cell lines represent powerful tools to investigate these mechanisms. Most cell lines grow autonomously in standard culture media (containing fetal bovine serum) independent of externally added growth stimuli. Over the last 5-10 years a battery of myeloid leukemia-derived cell lines has been established that is constitutively dependent on the addition of cytokines to the culture. Such factor-dependent cell lines die rapidly by apoptosis when deprived of the appropriate growth factor. We determined the cytokine response profiles of 19 absolutely growth factor-dependent leukemia cell lines with myelomonocytic, erythroid or megakaryocytic phenotypes with regard to enhanced or suppressed cellular proliferation. Cells were incubated in liquid culture with optimal concentrations of various recombinant human cytokines known to have effects on the growth of hematopoietic cells. A proliferative or anti-proliferative response to these 41 cytokines was assessed by the short-term 3H-thymidine uptake assay. A pro...Continue Reading

Citations

Jul 29, 1998·Leukemia Research·Y Matsuo, H G Drexler
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