Clin Exp Rheumatol
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Endogenous or exogenous glucocorticoids play a key role in the control of the immune and inflammatory network. Regulation of the effects of the glucocorticoids depends on changes in therapeutic levels, but also, as recently discovered, on modifications of the binding characteristics of the glucocorticoid receptors of target cells. ⋯ Finally, glucocorticoids are also capable of switching CD4 cells from a Th-1 to a Th-2 pattern. A decreased affinity of lymphocyte glucocorticoid receptors could hinder such a switch, with obvious clinical implications.