Background: Children and adolescents with atopic disease who have allergic asthma and/or rhinitis with and without atopic dermatitis may have hidden, clinically relevant contact allergies.
Objective: The objective of this study was to survey contact allergies in children and adolescents who had been offered allergen-specific immunotherapy and accepted (exposed)/not accepted (unexposed) such treatment.
Methods: Thirty-seven exposed and 24 unexposed individuals with atopic disease were patch tested with a standard series supplemented with aluminum chloride hexahydrate, an empty Finn Chamber, and 8 antigen preparations.
Results: In the exposed group, 18 allergies were detected in 13 individuals with atopic disease when excluding reactions to aluminum and antigen preparations, whereas the corresponding figures for the unexposed group were 9 and 6, respectively (non-significant difference). Independent of the allergen-specific immunotherapy, significantly more (P = 0.013) individuals with atopic dermatitis had at least 1 contact allergy. Clinically relevant allergies were represented by sesquiterpene lactone mix, para-tertiary butylphenol-formaldehyde resin, tixocortol pivalate, and colophony.
Conclusions: Clinically relevant contact allergies are not uncommon in children and adolescents with atopic disease, which is why patch testing always should be considered in the management of dermatitis in individuals with atopic disease.
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http://dx.doi.org/10.1097/DER.0000000000000037 | DOI Listing |
Elife
December 2024
Linda Crnic Institute for Down Syndrome, University of Colorado Anschutz Medical Campus, Aurora, United States.
Background: Individuals with Down syndrome (DS), the genetic condition caused by trisomy 21 (T21), display clear signs of immune dysregulation, including high rates of autoimmunity and severe complications from infections. Although it is well established that T21 causes increased interferon responses and JAK/STAT signaling, elevated autoantibodies, global immune remodeling, and hypercytokinemia, the interplay between these processes, the clinical manifestations of DS, and potential therapeutic interventions remain ill defined.
Methods: We report a comprehensive analysis of immune dysregulation at the clinical, cellular, and molecular level in hundreds of individuals with DS, including autoantibody profiling, cytokine analysis, and deep immune mapping.
Front Allergy
December 2024
Allergy and Clinical Immunology Unit, Meir Medical Center, Kfar Saba, Israel.
Background: Asthma, allergic rhinitis, atopic dermatitis, and food allergy are type 2 inflammation diseases. Since the 1960s, the prevalence of those diseases has steadily increased, presumably due to the "Hygiene hypothesis" which suggests that early exposure of infants to pathogens, siblings, and environmental dust, has a protective effect against the development of allergic diseases. The COVID-19 pandemic increased environmental hygiene due to lockdowns, masks, and social distancing.
View Article and Find Full Text PDFFront Microbiol
December 2024
Yunnan Botanee Bio-Technology Group Co., Ltd., Kunming, China.
Introduction: Atopic dermatitis (AD) is an allergic disease caused by various factors that can affect an individual's appearance and cause psychological stress. Therefore, it is necessary to investigate the underlying mechanisms and develop effective treatment strategies. The gut microbiota and bacterial metabolism play crucial roles in human diseases.
View Article and Find Full Text PDFFront Med (Lausanne)
December 2024
Division of Radiation Oncology, University of Montreal, Montreal, QC, Canada.
Mycosis fungoides (MF) is the most common type of cutaneous T-cell lymphoma (CTCL), representing the majority of all lymphomas arising in the skin. The disease treatment focuses on managing symptoms and preventing disease evolution. To date, there is no gold standard for MF-CTCL treatment.
View Article and Find Full Text PDFFront Vet Sci
December 2024
Department of Pathobiology Pharmacology and Zoological Medicine, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium.
The external ear canal, characterized by species-specific structural and physiological differences, maintains a hostile environment that prevents microbial overgrowth and foreign body entry, supported by factors such as temperature, pH, humidity, and cerumen with antimicrobial properties. This review combines several studies on the healthy ear canal's structure and physiology with a critical approach to the potential existence of an ear microbiome. We use a comparative multi-species approach to explore how allergic conditions alter the ear canal microenvironment and cerumen in different mammalian species, promoting pathogen colonization.
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