نتایج جستجو برای: ige سرم
تعداد نتایج: 26079 فیلتر نتایج به سال:
Background & Aim: and achieving safe prophylactic and therapeutic procedures is the main aim of the investigators. CpGoligodeoxynucleotides (CpG ODN) which modulate the immune responses and change the cytokine patterns by severalmechanisms are among these procedures.Worldwide increasing number of allergic disorders is one of the most important health challenges,Material and Method: Chenopodium ...
BackgroundIgE causes anaphylaxis in type I hypersensitivity diseases by activating degranulation of effector cells such as mast and basophils. The mechanisms that control IgE activity prevent under normal conditions are still enigmatic.ObjectiveWe aimed to unravel how anti-IgE autoantibodies induced we understand their role regulating serum level allergic anaphylaxis.MethodsWe immunized mice wi...
IgE, the antibody that mediates allergic responses, acts as part of a self-regulating protein network. Its unique effector functions are controlled through interactions of its Fc region with two cellular receptors, FcεRI on mast cells and basophils and CD23 on B cells. IgE cross-linked by allergen triggers mast cell activation via FcεRI, whereas IgE-CD23 interactions control IgE expression leve...
Events mediated by immunoglobulin E (IgE) may be related to platelet activation and aggregation, and there may be an association between IgE and pulmonary thromboembolism (PTE). Fourteen patients with PTE were studied with regard to serum concentrations of IgE, IgA, IgG, IgM, fibrinogen, and D-dimer and with regard to blood neutrophil, lymphocyte, platelet, and eosinophil counts during acute an...
Omalizumab, an anti-IgE antibody, used to treat severe allergic asthma and chronic idiopathic urticaria, binds to IgE in blood or membrane-bound on B lymphocytes but not to IgE bound to its high (FcεRI) or low (CD23) affinity receptor. Mutagenesis studies indicate overlapping FcεRI and omalizumab-binding sites in the Cε3 domain, but crystallographic studies show FcεRI and CD23-binding sites tha...
In vivo experiments using anti-IgE antibodies have clearly documented that they inhibit IgE production. In vitro experiments showed that not only IgE synthesis but also the effector phase of the allergic response may be influenced, because anti-IgE antibodies can prevent basophil sensitiziation with IgE or even remove IgE-receptorbound IgE molecules. However, the question remains whether natura...
Food protein induced enterocolitis syndrome (FPIES) is a food-related non-IgE-mediated gastrointestinal hypersensitivity disorder. Atypical FPIES is characterized by the presence of specific IgE for the causative food. The guidelines suggested for diagnostic oral food challenge in pediatric patients affected by suspected FPIES are different from the ones for children with IgE-mediated food alle...
IgE is a central molecule in allergic disease. We have isolated cDNAs coding for the heavy and light chains of a murine mAb specific to human IgE and expressed a recombinant single-chain variable fragment (ScFv) derived thereof in Escherichia coli. The purified recombinant ScFv has a molecular mass of 28 kDa as measured by mass spectrometry and shows a beta-sheet fold as determined by circular ...
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