نتایج جستجو برای: human ige
تعداد نتایج: 1655404 فیلتر نتایج به سال:
immunoglobulin e is one of the five classes of immonoglobulins that plays an important role in allergic diseases. production of monoclonal antibodies by a single clonotype against different epitopes of immunoglobulin e has high priority in development of diagnostic kits. in this study, an attempt was made to produce monoclonal antibodies against human immunoglobulin e. balb/c mice were immunize...
Background and purpose: Candida albicans (C. albicans) as a micro flora of the human could be responsible for a continuous release of allergen and may be responsible for chronic atopic dermatitis (AD) in sensitive patients. Thus, in this study, we analyzed AD patients for total IgE and specific IgE, against C. albicans. Materials and Methods: A total of 120 AD patients (male 52 and female ...
The link between IL-13 and bronchial hyper-responsiveness has brought this cytokine as a potential therapeutic target for asthma and allergic diseases. At the present study, we address the role of B cell derived IL-13 in the IgE and other immunoglobulin development. Antisense oligo for human IL-13 m-RNA was used to study IgE down regulation. Human B-lymphocytes were purified by positive selecti...
the link between il-13 and bronchial hyper-responsiveness has brought this cytokine as a potential therapeutic target for asthma and allergic diseases. at the present study, we address the role of b cell derived il-13 in the ige and other immunoglobulin development. antisense oligo for human il-13 m-rna was used to study ige down regulation. human b-lymphocytes were purified by positive selecti...
Background and Purpose: Although molds are regarded as the main fungal allergen sources, evidence indicates that spores of Basidiomycota including Agaricus bisporus (A. bisporus) can be also found at high concentrations in the environment and may cause as many respiratory allergies as molds. The aim of the present study was to evaluate specific immunoglobulin E (IgE) and immunoglobulin G (IgG) ...
IgE-mediated hypersensitivity is central to the pathogenesis of asthma and other allergic diseases. Although neutralization of serum IgE with IgE-specific antibodies is in general an efficacious treatment for allergic asthma, one limitation of this approach is its lack of effect on IgE production. Here, we have developed a strategy to disrupt IgE production by generating monoclonal antibodies t...
antigen-presenting cells through the high-affinity receptor for IgE (FcεRI) represents a key pathomechanism in type I allergy and many forms of asthma. Objective: We sought to establish an in vitro molecular model for the interaction of human FcεRI, IgE, and the corresponding allergen and to identify monoclonal anti-human IgE antibodies with a therapeutic profile different from previously estab...
IgE was isolated from a patient with the hyper IgE, recurrent infection syndrome by immunoadsorption on sepharose bound goat anti-human IgE. Addition of this IgE to a monolayer culture of human monocytes resulted in a dose-dependent increase in PGE2 secretion. The addition of F(ab')2 fraction of goat anti-human IgE in the presence of sub-stimulating doses of IgE markedly increased PGE2 secretio...
IgE-mediated allergic inflammation occurs when allergens cross-link IgE on the surface of immune cells, thereby triggering the release of inflammatory mediators as well as enhancing Ag presentations. IgE is frequently present in airway secretions, and its level can be enhanced in human patients with allergic rhinitis and bronchial asthma. However, it remains completely unknown how IgE appears i...
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