نتایج جستجو برای: ara h 2
تعداد نتایج: 2822627 فیلتر نتایج به سال:
BACKGROUND Peanut allergy is one of the most common and severe food allergies, and processing is known to influence the allergenicity of peanut proteins. We aimed to establish the effect of heating and glycation on the IgE-binding properties and biological activity of 2S albumins (Ara h 2/6) from peanut. METHODOLOGY/PRINCIPAL FINDINGS Native Ara h 2/6 was purified from raw peanuts and heated ...
Emerging data suggest that measurement of serum IgE to peanut components can be clinically helpful and more accurate than IgE to whole peanut to predict peanut allergy. Not all studies have used prospective samples, multiple components and oral challenges. Currently, there are no data on this topic involving Italian children. 32 patients (23 males; median age 9 years) with reported history for ...
BACKGROUND Lupine is used increasingly in food products. The development of lupine allergy in peanut-allergic patients is believed to occur as a result of cross-reactivity between lupine and peanut proteins. OBJECTIVE To investigate the degree of immunoglobulin (Ig) E cross-reactivity between allergens in lupine and peanut. METHODS We investigated IgE cross-reactivity between lupine alpha-,...
Peanut allergy is triggered by several proteins known as allergens. In this study, the complexity the peanut allergome is investigated with proteomic tools. The strength of this investigation resides in combining the high-resolving power and reproducibility of fluorescence two-dimensional differential gel electrophoresis with specific immunological detection as well as polypeptide sequencing by...
Performance of commercially available component resolved microarray has not been widely evaluated in food allergy. Nut allergy is a prevalent and increasing food allergy in which component resolved diagnosis is crucial. In the context of a multicentric study on pollen and vegetable food allergy in Spain, we enrolled patients (n=100) who had suffered at least two episodes of immediate symptoms a...
BACKGROUND Peanuts contain potent food allergens and the prevalence of allergy is reported to increase, especially in children. Since peanut sensitization may differ between different geographical regions, we wanted to investigate the sensitization pattern to the individual peanut allergens in a Norwegian population. METHODS Cases reported to the Norwegian Food Allergy Register with sera posi...
Peanut allergy is an IgE-mediated hypersensitivity reaction with an increasing prevalence worldwide. Despite its seriousness, to date, there is no cure. Genetic engineering strategies can provide a solution. The post-transcriptional gene silencing (PTGS) model can be used effectively to knock out the production of allergenic proteins in peanut by specific degradation of the endogenous target me...
SCOPE Roasting rather than boiling and Maillard modifications may modulate peanut allergenicity. We investigated how these factors affect the allergenic properties of a major peanut allergen, Ara h 1. METHODS AND RESULTS Ara h 1 was purified from either raw (N-Ara h 1) or roasted (R-Ara h 1) peanuts. Boiling (100°C 15 min; H-Ara h 1) resulted in a partial loss of Ara h 1 secondary structure a...
BACKGROUND The prevalence of food allergy has been increasing, but treatment is very limited. DNA vaccination has been recognized as a promising method for the treatment of allergic diseases; however, poor immunogenicity has hindered its application. METHODS BALB/c mice were intradermally injected with plasmid DNA encoding the peanut protein Ara h 2 (pAra h 2) or pAra h 2 pretreated with poly...
Incorporation of fludarabine, 9-beta-d-arabinofuranosyl-2-fluoroadenine (F-ara-A), into replicating DNA inhibits further chain elongation and is the critical event in F-ara-A-mediated cytotoxicity. We have used the normal cellular process of nucleotide excision repair to create an opportunity for F-ara-A incorporation into the DNA of noncycling cells. Irradiation of quiescent lymphocytes with U...
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