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. 1995 Apr;70(4):203-7.
doi: 10.1007/BF01700376.

The effect of interleukin-4 with or without mast cell growth factor on peripheral blood granulocyte-macrophage colony-forming cells in healthy controls and in myeloproliferative disorders

T Siitonen  1 , A Zheng, E R Savolainen, P Koistinen
Affiliations

The effect of interleukin-4 with or without mast cell growth factor on peripheral blood granulocyte-macrophage colony-forming cells in healthy controls and in myeloproliferative disorders

T Siitonen et al. Ann Hematol. 1995 Apr.

Abstract

The effect of interleukin-4 (IL-4) on peripheral blood (PB) granulocyte-macrophage (GM) progenitors was investigated in the presence and absence of other hematopoietic growth factors, especially the mast cell growth factor (MGF), in eight healthy controls and in 26 patients with myeloproliferative disorders (MPDs) using a clonogenic cell culture assay. In the controls IL-4 was effective alone, stimulating myeloid colony growth in 50%, while MGF had no effect as a single factor. When either IL-4 or MGF was added to the combination of IL-3, GM-CSF, G-CSF, and IL-6, a statistically significant increase in the colony number was observed. The most potent colony formation took place when all these GFs were combined. In the combinations, the effect of IL-4 was additive, while MGF worked synergistically. In the MPDs, IL-4 had no effect at all on the GM progenitors in the whole group of MPDs or on the different subgroups.

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