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https://www.readbyqxmd.com/read/28635659/divergent-how-ige-axis-contributes-to-the-continuum-of-allergic-asthma-and-anti-ige-therapies
#1
REVIEW
Óscar Palomares, Silvia Sánchez-Ramón, Ignacio Dávila, Luis Prieto, Luis Pérez de Llano, Marta Lleonart, Christian Domingo, Antonio Nieto
Asthma is an airway disease characterised by chronic inflammation with intermittent or permanent symptoms including wheezing, shortness of breath, chest tightness, and cough, which vary in terms of their occurrence, frequency, and intensity. The most common associated feature in the airways of patients with asthma is airway inflammation. In recent decades, efforts have been made to characterise the heterogeneous clinical nature of asthma. The interest in improving the definitions of asthma phenotypes and endotypes is growing, although these classifications do not always correlate with prognosis nor are always appropriate therapeutic approaches...
June 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28635545/current-asthma-respiratory-symptoms-and-airway-infections-among-students-in-relation-to-the-school-and-home-environment-in-japan
#2
Motoko Takaoka, Kyoko Suzuki, Dan Norbäck
OBJECTIVE: To study associations between the school and home environment and current asthma, respiratory symptoms and airway infections among Japanese students. METHODS: Japanese students (12-15 y) (N = 1048) in four schools responded to a questionnaire on respiratory health, allergy and the home environment. Temperature, relative air humidity (RH) and student density (students/m(2) floor area) was measured in the classrooms: dust was collected from floors and in classroom air and analysed for cat (Fel d 1) and dog (Can f 1) allergens...
February 10, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28634114/peanut-digestome-identification-of-digestion-resistant-ige-binding-peptides
#3
Luigia Di Stasio, Gianluca Picariello, Mariantonietta Mongiello, Rita Nocerino, Roberto Berni Canani, Simona Bavaro, Linda Monaci, Pasquale Ferranti, Gianfranco Mamone
Stability to proteolytic degradation in the digestive tract is considered a general feature shared by most food allergens. Current digestibility models exclusively utilize purified allergen proteins, neglecting the relevant effects of matrix that occur for foodstuff systems. In the present study, we investigated digestion stability of the major peanut allergens directly in the natural matrix using an in vitro static model that simulates the gastrointestinal digestion including the oral, gastric, duodenal and intestinal (brush border membrane enzymes) phases...
June 17, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28634005/semaphorin-3e-alleviates-hallmarks-of-house-dust-mite-induced-allergic-airway-disease
#4
Hesam Movassagh, Lianyu Shan, Jonathan S Duke-Cohan, Andrew J Halayko, Jude E Uzonna, Abdelilah S Gounni
Semaphorins are an essential family of guidance cues ubiquitously expressed in various organs, which play diverse developmental, homeostatic, and pathological roles. Semaphorin 3E (Sema3E), initially identified as a neuronal chemorepellent, is involved in the regulation of cell migration, proliferation, and angiogenesis. However, expression and function of Sema3E in allergic asthma has not been extensively investigated. We determined the expression of Sema3E in the airways and its effect on airway inflammation, hyperresponsiveness, and remodeling as pathological features of allergic asthma provoked by house dust mite in vivo...
July 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28633877/epithelial-proteome-profiling-suggests-essential-role-of-interferon-inducible-proteins-in-allergic-rhinitis
#5
Joseph Ndika, Liisa Airaksinen, Hille Suojalehto, Piia Karisola, Nanna Fyhrquist, Anne Puustinen, Harri Alenius
BACKGROUND: Seasonal allergic rhinitis (SAR) as a result of intermittent exposure to seasonal pollen, causes itching, nasal congestion and repeated sneezing, with profound effects on the quality of life, work productivity and school performance. While both the genotype and environmental factors may contribute to the immunological basis of allergic reactions, the molecular underpinnings associated with the pathogenesis of allergic rhinitis are not entirely clear. METHODS: To address these questions, nasal epithelial brushings were collected from 29 SAR and 31 Control individuals during and after the pollen season...
June 17, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28633053/the-major-alternaria-alternata-allergen-alt-a-1-a-reliable-and-specific-marker-of-fungal-contamination-in-citrus-fruits
#6
M F Gabriel, N Uriel, F Teifoori, I Postigo, E Suñén, J Martínez
The ubiquitously present spores of Alternaria alternata can spoil a wide variety of foodstuffs, including a variety of fruits belonging to the Citrus genus. The major allergenic protein of A. alternata, Alt a 1, is a species-specific molecular marker that has been strongly associated with allergenicity and phytopathogenicity of this fungal species. This study aimed to evaluate the potential of the detection of Alt a 1 as a reliable indicator of A. alternata contamination in citrus fruits. To accomplish this aim, sixty oranges were artificially infected with a spore suspension of A...
June 8, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28632956/anti-inflammatory-potential-of-a-heat-killed-lactobacillus-strain-isolated-from-kimchi-on-house-dust-mite-induced-atopic-dermatitis-in-nc-nga-mice
#7
C Y Choi, Y H Kim, S Oh, H J Lee, J H Kim, S H Park, H J Kim, S J Lee, T Chun
AIMS: Atopic dermatitis (AD) is an allergic skin disease driven by the Th2-prone immune response. Therefore, a fundamental approach to restoring the Th1/Th2 balance is needed to treat AD. METHODS AND RESULTS: Eighteen different Lactobacillus strains isolated from Kimchi were screened to identify those that stimulated immune cells to secret Th1-type or Th2-type cytokines. Lactobacillus brevis NS1401 induced the greatest IFN-γ and IL-12 secretion and the least IL-4 production among the tested Lactobacillus strains...
June 20, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28632417/detection-and-antigenic-profiling-of-undeclared-peanut-in-imported-garlic-using-an-xmap-multiplex-immunoassay-for-food-allergens
#8
Ronnie O Pedersen, Tim Peters, Rakhi Panda, Paul Wehling, Eric A E Garber
A shipment of imported garlic powder was suspected of containing peanut. Samples (subs) collected from the shipment displayed considerable variability in peanut antigenicity when analyzed by enzyme-linked immunosorbent assay (ELISA). This raised questions regarding whether peanut was actually present, the amount present, and the basis for the variability in antigenic content. Analyses that used an xMAP multiplex assay for the detection of peanut and additional food allergens generated responses that were characteristic of peanut...
June 20, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28632196/drug-hypersensitivity-and-desensitizations-mechanisms-and-new-approaches
#9
REVIEW
Leticia de Las Vecillas Sánchez, Leila A Alenazy, Marlene Garcia-Neuer, Mariana C Castells
Drug hypersensitivity reactions (HSRs) are increasing in the 21st Century with the ever expanding availability of new therapeutic agents. Patients with cancer, chronic inflammatory diseases, cystic fibrosis, or diabetes can become allergic to their first line therapy after repeated exposures or through cross reactivity with environmental allergens. Avoidance of the offending allergenic drug may impact disease management, quality of life, and life expectancy. Precision medicine provides new tools for the understanding and management of hypersensitivity reactions (HSRs), as well as a personalized treatment approach for IgE (Immunoglobuline E) and non-IgE mediated HSRs with drug desensitization (DS)...
June 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28632093/allergic-contact-dermatitis-from-ophthalmics
#10
Yue Zheng, Paru R Chaudhari, Howard I Maibach
In this article we summarize the recently described allergens responsible for allergic contact dermatitis due to ophthalmic drugs and contact lens solutions, and emphaage the need on how to perform diagnostic testing in this special clinical entity.
March 6, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28631812/identification-of-allergens-by-ige-specific-testing-improves-outcomes-in-atopic-dermatitis
#11
Brett M Will, Richard Severino, Douglas W Johnson
INTRODUCTION: IgE quantitative assaying of allergens (IgEQAA) has long been implemented by allergists in determining patients' reactivities for allergic rhinitis and asthma, two of the three diagnoses in atopic syndrome. This test operates by measuring the patient's IgE response to different allergens and can identify potential triggers for a patient's symptoms. Despite this, IgEQAA has yet to see the same widespread use in the field of dermatology, specifically in the treatment of patients with atopic dermatitis (AD)...
June 20, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28629752/rna-containing-exosomes-in-induced-sputum-of-asthmatic-patients
#12
Sara Sánchez-Vidaurre, Maria Eldh, Pia Larssen, Kameran Daham, Maria-Jose Martinez-Bravo, Sven-Erik Dahlén, Barbro Dahlén, Marianne van Hage, Susanne Gabrielsson
This is the first demonstration of RNA-containing exosomes in induced sputum from allergic asthmatic patients, both before and after an allergen provocation. Exosomes could serve as future candidate biomarkers in asthma.
June 16, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28629744/mannose-receptor-modulates-macrophage-polarization-and-allergic-inflammation-through-mir-511-3p
#13
Yufeng Zhou, Danh C Do, Faoud T Ishmael, Mario Leonardo Squadrito, Ho Man Tang, Ho Lam Tang, Man-Hsun Hsu, Lipeng Qiu, Changjun Li, Yongqing Zhang, Kevin G Becker, Mei Wan, Shau-Ku Huang, Peisong Gao
BACKGROUND: Mannose receptor (MRC1/CD206) has been suggested to mediate allergic sensitization and asthma to multiple glyco-allergens, including cockroach allergens. OBJECTIVE: Determine the existence of a protective mechanism through which MRC1 limits allergic inflammation through its intronic miR-511-3p. METHODS: We examined the MRC1-mediated cockroach allergen uptake by lung macrophages and lung inflammation using C57BL/6 wild-type (WT) and Mrc1(-/-) mice...
June 16, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28629732/impact-of-granulocyte-contamination-on-pbmc-integrity-of-shipped-blood-samples-implications-for-multi-center-studies-monitoring-regulatory-t-cells
#14
Charuta Agashe, David Chiang, Alexander Grishin, Madhan Masilamani, Stacie M Jones, Robert A Wood, Scott H Sicherer, A Wesley Burks, Donald Y M Leung, Peter Dawson, Hugh A Sampson, M Cecilia Berin
In centralized immune monitoring for a multi-center allergen immunotherapy trial, we observed frequent loss of CD4(+) T cell integrity following staining of cultured PBMCs with our regulatory T cell flow cytometry panel. Samples were marked by a loss of total cellular events, altered scatter properties, and reduced CD3(+)CD4(+) events. This occurred only in samples that were stained with Foxp3 and were therefore treated with Foxp3 fixation-permeabilization buffer. We identified granulocyte contamination in samples associated with a loss of integrity, and went on to test the impact of granulocyte depletion on day-old blood samples...
June 16, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28629672/the-safety-profile-of-subcutaneous-allergen-immunotherapy-in-children-with-asthma-in-hangzhou-east-china
#15
J-L Liu, W-X Ning, S-X Li, Y-C Xu, L Wu, Y-S Wang, X-F Xu, Y Jiang, Y-J Sheng, Y-L Zhou, J-H Wang, L-F Tang, Z-M Chen
BACKGROUND: The aim of the current study is to evaluate the prevalence, severity and possible risk factors of systemic reactions (SRs) to subcutaneous allergen immunotherapy (SCIT) in children and adolescents with asthma in Hangzhou, east China's Zhejiang province. METHODS: From January 2011 to December 2016, this survey analysed the SCIT-related SRs involving 429 patients (265 children and 134 adolescents) affected by allergic asthma. Recorded data included demographics, diagnosis, patient statuses, pulmonary function testing results before and after each injection, allergen dosage, and details of SRs...
June 16, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28628664/effects-of-diesel-exhaust-particle-exposure-on-a-murine-model-of-asthma-due-to-soybean
#16
Daniel Alvarez-Simón, Xavier Muñoz, Susana Gómez-Ollés, Miquel de Homdedeu, María-Dolores Untoria, María-Jesús Cruz
BACKGROUND: Exposure to soybean allergens has been linked to asthma outbreaks. Exposure to diesel exhaust particles (DEP) has been associated with an increase in the risk of asthma and asthma exacerbation; however, in both cases the underlying mechanisms remain poorly understood, as does the possible interaction between the two entities. OBJECTIVE: To investigate how the combination of soybean allergens and DEP can affect the induction or exacerbation of asthma in a murine model...
2017: PloS One
https://www.readbyqxmd.com/read/28628023/-ragweed-allergy-in-the-south-of-russia-in-the-chechen-republic
#17
D Macharadze, H Janaeva, K Avilov
Allergy to ragweed pollen and other weeds is a global problem due to the rapid spread of these grasses around the world. In addition, pollen of short ragweed (Ambrosia, Amb) and mugwort (Artemisia, Art) - one of the main causes of respiratory allergy - seasonal allergic rhinoconjunctivitis (hay fever) with/without bronchial asthma patients living in the South of Russia. Epidemiological studies on the prevalence of Allergy to Amb and Art among patients living in Chechen Republic, absent. Aim - of this retrospective study was to investigate the prevalence of sensitization to weed pollen in patients of Chechnya...
May 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28628021/correlation-between-spirometry-dates-and-special-allergen-specific-ige-in-patients-with-bronchial-asthma-in-west-georgia
#18
R Sepiashvili, M Chikhladze, D Khachapuridze, S Gamkrelidze
The study aimed to establish correlation between airway obstruction and specific IgE specificity, managing future treatment in the patients with bronchial asthma, among the population of west Georgia. In the study have been involved 56 patients (among them 24 males and 32 females) of different ages, with diagnostic bronchial asthma (according to GINA recommendation). On the ground of the aim the study included the following steps of allegro-diagnostics: I step - Computerized spirometry by apparatus ,,SPIROLAB 3"...
May 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28627111/european-surveillance-system-on-contact-allergies-essca-results-with-the-european-baseline-series-2013-14
#19
W Uter, J C Amario-Hita, A Balato, B Ballmer-Weber, A Bauer, A Belloni Fortina, A Bircher, M M U Chowdhury, S M Cooper, A Dugonik, R Gallo, A Giménez-Arnau, J D Johansen, S M John, M Kieć-Świerczyńska, T Kmecl, B Kręcisz, F Larese Filon, V Mahler, M Pesonen, T Rustemeyer, A Sadowska-Przytocka, J Sánchez-Perez, S Schliemann, M L Schuttelaar, D Simon, R Spiewak, S Valiukeviciene, E Weisshaar, I R White, S M Wilkinson
BACKGROUND: Contact allergy is a common condition and can severely interfere with daily life or professional activities. Due to changes in exposures, a consequence of introduction of new substances, new products or formulations, and regulatory intervention, the spectrum of contact sensitisation changes. OBJECTIVE: To evaluate the current spectrum of contact allergy to allergens present in the European baseline series (EBS) across Europe. METHODS: Retrospective analysis of data collected by the European Surveillance System on Contact Allergies (ESSCA, www...
June 19, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28626774/adenosine-triphosphate-promotes-allergen-induced-airway-inflammation-and-th17-cell-polarization-in-neutrophilic-asthma
#20
Fang Zhang, Xin Su, Gang Huang, Xiao-Feng Xin, E-Hong Cao, Yi Shi, Yong Song
Adenosine triphosphate (ATP) is a key mediator to alert the immune dysfunction by acting on P2 receptors. Here, we found that allergen challenge caused an increase of ATP secretion in a murine model of neutrophilic asthma, which correlated well with neutrophil counts and interleukin-17 production. When ATP signaling was blocked by intratracheal administration of the ATP receptor antagonist suramin before challenge, neutrophilic airway inflammation, airway hyperresponsiveness, and Th17-type responses were reduced significantly...
2017: Journal of Immunology Research
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