نتایج جستجو برای: allergen
تعداد نتایج: 12116 فیلتر نتایج به سال:
The NF-kappa B/Rel family of transcription factors induces many genes involved in immune and inflammatory responses. Mice with germline deletions of individual NF-kappa B/Rel subunits have different phenotypes, suggesting that the NF-kappa B/Rel transcription factors have different functions. We tested whether c-Rel promotes allergic asthma using a murine model of allergen-induced pulmonary inf...
This symposium occurred during the European Academy of Allergy and Clinical Immunology (EAACI) Congress, 2022. Angela Claver Monzón from Hospital Universitari Quiron Dexeus, Barcelona, Spain, welcomed attendees gave a brief introduction to topic food allergy prevention in children. Andrea Mikkelsen University Gothenburg, Sweden, highlighted importance diet diversity early allergens infants befo...
RATIONALE In a guinea pig model of allergic asthma, using perfused tracheal preparations ex vivo, we demonstrated that L-arginine limitation due to increased arginase activity underlies a deficiency of bronchodilating nitric oxide (NO) and airway hyperresponsiveness (AHR) after the allergen-induced early and late asthmatic reaction. OBJECTIVES Using the same animal model, we investigated the ...
BACKGROUND Total IgE levels in allergic patients tend to be higher than those in healthy individuals. We evaluated the usefulness of total IgE levels in predicting positive results of allergen specific IgEs in multiple allergen simultaneous tests. METHODS A total of 133 patients with allergic symptoms were evaluated. Allergen specific IgEs were detected using 3 different kits: Allergy screen ...
The results of our third trial on epicutaneous allergen-specific immunotherapy (EPIT) will be presented and discussed in the context of our previous trials. This monocentric, placebo-controlled, double-blind phase I/IIa trial included 98 patients with grass pollen rhinoconjunctivitis. Prior to the pollen season 2009, patients received six patches (allergen extract: n = 48; placebo: n = 50) with...
allergen levels in the spring, consistent with findings seen in the classroom. Interestingly, the presence of a basement did not predict higher classroom allergen levels as would be expected andwas only associated with higher cafeteria airborne levels. Similar to previous studies, the reported presence of mice in homes was predictive of higher mouse allergen levels.5,6 However, home allergen le...
Allergic rhinitic subjects without symptoms of asthma show airway hyperresponsiveness, but to a lesser degree than asthmatics. As airway responsiveness is a determinant of the bronchial response to allergen, rhinitic subjects should also respond to allergen challenge, but to a lesser extent than asthmatics. However, studies have so far failed to show quantitative differences in allergen respons...
BACKGROUND Anti-IgE therapy inhibits mast cell and basophil activation, blocks IgE binding to both FcεRI and CD23 and down regulates FcεRI expression by antigen (Ag) presenting cells (APCs). In addition to its classical role in immediate hypersensitivity, IgE has been shown in vitro to facilitate Ag presentation of allergens, whereby APC bound IgE preferentially takes up allergens for subsequen...
BACKGROUND Phosphodiesterase 4 (PDE4) inhibitors increase intracellular cyclic adenosine monophosphate (cAMP), leading to regulation of inflammatory cell functions. Roflumilast is a potent and targeted PDE4 inhibitor. The objective of this study was to evaluate the effects of roflumilast on bronchoconstriction, airway hyperresponsiveness (AHR), and airway inflammation in mild asthmatic patients...
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