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Rush hymenoptera venom immunotherapy modulates mast cell and basophil functionKošnik, Mitja ; Wraber-Herzog, Branka ; Grmek-Košnik, IrenaBackground: In rush Hymenoptera venoms immunotherapy nearly complete immunologic tolerance is induced in few days, however mechanisms responsible for early immune tolerance are poorly understood. As ... mast cells and basophils are crucial effector cells in anaphylaxis, we studied their function during immunotherapy. Methods: Ten patients (3 female, 38-14 years) with severe reactions after honey bee (7) or wasp stings were treated with 4 days rush immunotherapy. Before immunotherapy (DAY 0), one hour after finishing the rushphase of immunotherapy (DAY 4), before the first maintenance dose (DAY 14), and before the maintenance dose after 6 months of immunotherapy (6 MONTHS) skin tests with honey bee and wasp venoms and codeine were performed. Sulphidoleukotrienes (sLT) released from peripheral blood leukocytes were measured after in vitro stimulation with venotns, antibodies against the high affinity IgE receptor and ionomyeine. Results: Immediately after the rush phase (DAY 4) there was a significant decrease in skin reactivity to the allergen used for immunotherapy (mean weal diameter 8,2-1,7 vs. 7,2-1,3 mm) but not to codeine. Compared to DAY 0 peripheral blood leukocytes were hyporesponsive on DAY 4 to all IgE mediated stimuli but not to ionomycine. Allthose parameters returned to pretreatment level on DAY 14. Conclusions: It seems that in the beginning of immunotherapy more short lasting mechanisms specifically and nonspecifically alter hyperresponsiveness of immune system toallergen. Key words: basophils, hymenoptera venom allergy, immunotherapy, mast cells, sulphidoleukotrienes.Vir: Allergy hypersensitivity asthma : international journal of the Balkan societies of allergology and clinical immunology. - ISSN 1312-2045 (Letn. 1, št. 1, 2003, str. 33-37)Vrsta gradiva - članek, sestavni delLeto - 2003Jezik - angleškiCOBISS.SI-ID - 16418265
Avtor
Košnik, Mitja |
Wraber-Herzog, Branka |
Grmek-Košnik, Irena
Teme
Bee Venoms |
Wasp Venoms |
Immunotherapy |
Skin Tests |
Codeine |
Leukotrienes |
Blood |
Ige |
Ionomycin |
Basophils |
Mast Cells |
Imunoterapija |
Kodein |
Kožni testi |
Osji strupi |
Čebelji strupi |
Bazofilci |
IgE |
Ionomicin |
Levkotrieni |
Tkivni bazofilci
Vnos na polico
Trajna povezava
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Košnik, Mitja | 10921 |
Wraber-Herzog, Branka | 04890 |
Grmek-Košnik, Irena | 27968 |
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