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Dexamethasone inhibits generation in inflammatory sites of the chemotactic activity attributable to leukotriene B4
Biochemical and Biophysical Research Communications
|March 30, 1984
Abstract:
Effects of dexamethasone on chemotactic activity to polymorphonuclear leukocytes (PMN) of a lipophilic fraction collected with the aid of octadecylsilyl silica cartridge from exudates of an allergic inflammation were investigated. The chemotactic activity of this fraction was attributable to leukotriene B4 fraction separated by means of a reversed phase high performance liquid chromatography. Local application of dexamethasone suppressed dose-dependently the chemotactic activity of the lipophilic fraction in parallel with the inhibition of PMN infiltration in the inflammatory sites.