Synergism of glucocorticoids with granulocyte macrophage colony stimulating factor (GM-CSF) but not interferon gamma (IFN-gamma) or interleukin-4 (IL-4) on induction of HLA class II expression on human monocytes.
Peripheral blood monocytes from up to 13 normal donors were stimulated with the cytokines interferon gamma (IFN-gamma), interleukin 4 (IL-4) and granulocyte macrophage-colony stimulating factor (GM-CSF) in the presence or absence of dexamethasone (Dex), and the effects on HLA class II (HLA-DR, DP and DQ) expression studied. Dex markedly augmented HLA-DR, DP and DQ levels induced by GM-CSF, in all samples tested. Particularly striking were the effects on HLA-DQ expression, since stimulation wi...Expand abstract
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