An experimental study revealed the effect on modified bioflavonoid on the inhibition of secretion of IFN-γ and IL-2 by ConA-stimulated mononuclear cells. These changes were accompanied by an increase in the secretion of IL-17 and IL-6. Our results suggest the differentiation of CD4(+) T helper cells into Th1 and Th17 subpopulations. The reference drug quercetin dihydrate induced an insignificant change in the level of IL-2 and IL-6 and small increase in IFN-γ content. The content of IL-17 was shown to decrease above the detection limit.
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