The Effect of Disodium Cromoglycate, Budesonide, and Cyclosporin A on Interleukin-4, Interleukin-5, and Interleukin-13 Secretions in Der p I–stimulated T Cells from House Dust Mite–Sensitive Atopic and Nonatopic Individuals
Abstract:Disodium cromoglycate (DSCG), budesonide, and cyclosporin A (CsA) were the well-known immunomodulators for the allergic and immunologic diseases clinically. In this study, we evaluated the characteristics of inhibition on cytokine synthesis of Der p I-stimulated T cells by the same inhibiting concentrations of DSCG, budesonide, and CsA in house-dust mite antigen (Der p I)-specific atopic and nonatopic healthy individuals. Seven house dust mite allergen specific patients were recruited for this study. Seven healthy volunteers were included on the basis of negative allergic manifestations and low serum immunoglobulin E values. Peripheral blood mononuclear cells (PBMCs) were cultured in the presence of recombinant interleukin (rIL)-2 with or without budesonide, DSCG, CsA, and Der p I for 48 hours. Cells were stained with anti-CD4 fluorescein isothiocyanate-conjugated monoclonal antibody, and then anti-human IL-4 phycoerythrin, IL-5, or IL-13 monoclonal antibody, respectively, was added to both blocked and stained samples. Incubation of PBMC from atopics with each immunomodulator and Der p I resulted in the reduction of IL-4 secretion compared with Der p I alone stimulation. However, IL-4 secretion in PBMC from nonatopics was not reduced with DSCG and Der p I stimulation. IL-4, IL-5, and IL-13 secretions of PBMC from atopics were significantly decreased after incubation with each immunomodulator and Der p I, compared with after incubation with Der p I alone. These results might be considered to show either that DSCG has a selective inhibiting effect on cytokine production in T cells from atopics or is a weak inhibitor of cytokine secretions compared with budesonide and CsA at even strength for the inhibition of lymphocyte proliferation in normal, healthy individuals.
Document Type: Regular Paper
Publication date: 2002-03-01
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