Article ID Journal Published Year Pages File Type
3064922 Journal of Neuroimmunology 2008 5 Pages PDF
Abstract

We showed previously and we confirm here that macrophages from three mouse strains are differentially sensitive to the inhibition of expression of key inflammatory proteins (iNOS-II, IL-1β) by dexamethasone, a specific glucocorticoid receptor agonist (C57BL/6 > DBA/2 > BALB/c). Here we show that aldosterone (a specific mineralocorticoid agonist) has no effect on iNOS-II or IL-1β expression in macrophages from these mouse strains but decreases IL-1ra expression, with small inter-strain differences. This mechanism may be involved in the pro-inflammatory effect of this hormone. Concanavalin A-stimulated lymphocytes proliferation is also differentially sensitive to dexamethasone according to the strain, but insensitive to aldosterone.

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