low concentrations of hifn alpha ( 1-10 u/ml ) , hifn beta ( 1-100 u/ml ) , and hifn gamma ( 1 u/ml ) stimulated in vitro increased secretion of colony-stimulating factors ( csf ) by human blood monocytes , which induced growth and differentiation of granulocyte-macrophage progenitor cells .
C0009392
colony-stimulating factors
C0007589
differentiation