نتایج جستجو برای: peanut hypersensitivity
تعداد نتایج: 44589 فیلتر نتایج به سال:
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...
serious food allergies, in terms of severity of reactions and persistence of hypersensitivity. Approximately 50 to 100 people die each year in the United States as a result of unintended peanut ingestion. This well-designed and wellconducted study demonstrates that subcutaneous TNX-901 injections decrease total IgE levels in the blood and raise the threshold of sensitivity to peanut protein, in...
BACKGROUND There exist several reports of atopy and allergen-specific IgE-mediated hypersensitivity transferred by bone marrow transplantation, and it has been concluded that the transfer of allergic reactivity results from adoptive transfer of IgE-producing donor-derived B- and/or plasma cells. To the best of our knowledge we report the first case of peanut allergy after PBSCT. CASE PRESENTA...
There is little knowledge about the factors that determine the allergenicity of food proteins. One aspect that remains to be elucidated is the effect of the food matrix on immune responses to food proteins. To study the intrinsic immunogenicity of allergens and the influence of the food matrix, purified peanut allergens (Ara h 1, Ara h 2, Ara h 3, or Ara h 6) and a whole peanut extract (PE) wer...
Diprivan® is composed of propofol, refined soybean oil and purified egg phosphatide. One must eliminate any allergy to one of its components before use. We report the story of a child who underwent nevus surgery under general anesthesia which was associated with an hypersensitivity reaction. In fact, this child had asthma and allergy to peanuts, raising the problem of cross allergy between birc...
Peanut allergy is the leading cause of deaths due to food-induced anaphylaxis but despite continued research, there are currently no specific treatments available. Challenge testing is limited in patients due to the high risk of adverse reactions, emphasising the need for an appropriate animal model. In the present study we examine the induction of allergic responses in a sheep model for peanut...
Peanut allergy is a significant IgE-mediated health problem because of the increased prevalence, potential severity, and chronicity of the reaction. Following our characterization of the two peanut allergens Ara h 1 and Ara h 2, we have isolated a cDNA clone encoding a third peanut allergen, Ara h 3. The deduced amino acid sequence of Ara h 3 shows homology to 11S seed-storage proteins. The rec...
The oxidative cleavage of cis-epoxycarotenoids catalyzed by 9-cis-epoxycarotenoid dioxygenase (NCED) is considered to be the rate-limiting step in abscisic acid (ABA) biosynthesis. Here we demonstrate that the expression of AhNCED1 gene in peanut plants is significantly up-regulated by dehydration and high salinity. The AhNCED1 transcript and endogenous ABA both accumulate predominantly in leav...
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