نتایج جستجو برای: ige immunoblotting
تعداد نتایج: 27265 فیلتر نتایج به سال:
Kiwifruit allergy has been described mostly in the adult population, but immunoglobulin (Ig)E-mediated allergic reactions to kiwifruit appear to be occurring more frequently in children. To date, 13 allergens from kiwifruit have been identified. Our aim was to identify kiwifruit allergens in a kiwifruit allergic-pediatric population, describing clinical manifestations and patterns of recognitio...
BACKGROUND Few previous reports of carrot-induced asthma have been confirmed by objective tests. Hypersensitivity to carrot is frequently associated with allergy to Apiaceae spices and sensitization to birch and mugwort pollens. CLINICAL CASE A 40-year-old cook woman was seen with sneezing, rhinorrhea, contact urticaria and wheezing within few minutes of handling or cutting raw carrots. She n...
BACKGROUND Tree nut allergy is one of the common potentially life-threatening food allergies in children and adults. Recombinant food allergens offer new perspectives to solve problems of clinical and molecular allergology in diagnosis, research, and therapy of food allergies. So far, superoxide dismutase (s) has been identified as a panallergen and studied in different allergenic sources. Mang...
BACKGROUND Stings from the Asian needle ant are an important cause of anaphylaxis in East Asia. A 23-kDa protein homologous to antigen 5 is the major allergen produced by these ants. In this study, we aimed to produce a recombinant antigen 5 allergen, Pac c 3. METHODS Recombinant Pac c 3 allergen from the Asian needle ant was expressed in Pichia pastoris and purified by ammonium sulfate preci...
BACKGROUND Downy mildews are a group of microorganisms belonging to the Chromista kingdom that can infect specific plants. When growing on plant tissues these microbes can elicit the expression of pathogenesis-related proteins (PRs), a group of stress-induced proteins frequently described as allergens in many plant species. Our aim was to verify by a proteomic approach whether the allergic reac...
Two-dimensional (2-D) electrophoresis followed by immunoblotting and N-terminal protein microsequencing were used to characterize and identify the IgE-reactive proteins of Hevea latex that are the main cause of the latex type I allergy affecting especially health care workers and spina bifida children. This approach generated a comprehensive latex allergen database, which facilitated the integr...
background: cutaneous leishmaniasis (cl) is a parasitic disease with a relatively wide distribution in different areas of the world, including iran. the parasite is mainly diagnosed microscopically, but serological approaches might be useful for diagnosis as well. this study aimed to assess the efficacy of an immunoblotting system for serodiagnosis of cutaneous leishmaniasis in iran. methods: ...
Background: The etiology of urticaria is recognized only in a minority of cases. Allergies to a wide variety of agents have been suspected, as well as hyper reactivity to food additives or drugs. Recently, autoimmune reaction to immunoglobulin E (IgE) and later to high-affinity IgE receptors on mast cells has been reported. The aim of this study was to show elevated serum IgE levels in the pati...
BACKGROUND The potato is one of the most common types of genetically modified (GM) food. However, there are no published data evaluating the impact of genetic manipulations on the allergenicity of GM potatoes. To compare the allergenicity of GM potatoes with that of wild-type potatoes using in vivo and in vitro methods in adult allergy patients sensitized to potatoes. METHODS A total of 1886 ...
BACKGROUND Recombinant Bet v 1a (rBet v 1a) has been used in allergy research for more than three decades, including clinical application of so-called hypoallergens. Quantitative IgE binding to rBet v 1a depends on its native protein conformation, which might be compromised upon heterologous expression, purification, or mutational engineering of rBet v 1a. OBJECTIVE To correlate experimental/...
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