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Oral Exposure to Toxin A Aggravates Food Allergy by Intestinal Barrier Destruction, Mast Cell Activation, and Th2-Biased Immune Responses.
J Agric Food Chem
January 2025
State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, P. R. China.
Food allergy is a complex disease, with multiple environmental factors involved. Considering the regulatory effect of toxin A (Tcd A) on biological processes of allergic reactions, the role of oral exposure to Tcd A on food allergy was investigated. The intestinal permeability and β-hexosaminidase were promoted by Tcd A using the in vitro Caco-2 and HT-29 cells coculture monolayer and bone marrow-derived mast cell (MCs) degranulation model.
View Article and Find Full Text PDFPatient-centered outcomes for clinical trials in chronic rhinosinusitis with or without nasal polyps and allergic fungal rhinosinusitis.
J Patient Rep Outcomes
January 2025
Sanofi US Services, Inc., Bridgewater, NJ, USA.
Background: Chronic rhinosinusitis (inclusive of subtypes with nasal polyps [CRSwNP], without nasal polyps [CRSsNP], and allergic fungal rhinosinusitis [AFRS]) causes inflammation of the nose mucosa and paranasal sinuses. Unfortunately, evidence supporting use of clinical outcome assessments (COAs) in regulated clinical trials to assess key measurement concepts of these conditions is limited.
Objective: To identify key disease-related symptoms and impacts, potential outcomes of interest for new treatments, and COAs available to measure those outcomes among adult and adolescent individuals living with CRSwNP, CRSsNP, and AFRS.
Murine model of cross-IgE sensitization and cross-anaphylactic reactions among multiple group food allergens.
Front Immunol
January 2025
Department of Pathology, Microbiology & Immunology, New York Medical College, Valhalla, NY, United States.
Rationale: Approximately 32 million people in the United States suffer from food allergies. Some food groups, such as legumes - peanuts, tree nuts, fish, and shellfish, have a high risk of cross-reactivity. However, the murine model of multiple food group cross-reactivity is limited.
View Article and Find Full Text PDFChallenges in diagnosing polyethylene glycol and polysorbate 80 allergies: implications for allergic reactions in COVID-19 mRNA vaccination program: experience from Qatar.
Front Allergy
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Allergy and Immunology Division, Department of Medicine, Hamad Medical Corporation, Doha, Qatar.
Introduction: COVID-19 vaccination has been a key intervention in reducing the severity of symptoms; however, concerns about vaccine safety, particularly regarding allergic reactions, arose early on. Healthcare workers faced the challenge of addressing these concerns to ensure safe vaccine administration. This study aimed to review the practical aspects of using allergy skin testing for COVID-19 vaccine excipients in patients with a history of allergic reactions developed following mRNA COVID-19 vaccination.
View Article and Find Full Text PDFSemaglutide-induced fixed drug eruption.
JAAD Case Rep
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Department of Dermatology, Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania.
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