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https://www.readbyqxmd.com/read/28429373/dietary-shifts-have-consequences-for-the-repertoire-of-allergens-produced-by-the-european-house-dust-mite
#1
J C Vidal-Quist, F Ortego, S Rombauts, P Castañera, P Hernández-Crespo
Products manufactured from mass-cultured house dust mites, currently commercialized for the diagnosis and immunotherapy of allergy, are heterogeneous in terms of allergen composition and thus present concerns to regulatory authorities. The most abundant species, Dermatophagoides pteronyssinus (Trouessart) (Astigmata: Pyroglyphidae), produces 19 allergenic proteins. Many of these are putatively involved in mite digestive physiology and metabolism. This study aimed to evaluate the effects of mite-rearing media on allergen production...
April 21, 2017: Medical and Veterinary Entomology
https://www.readbyqxmd.com/read/28429303/natural-evolution-of-ige-responses-to-mite-allergens-and-relationship-to-progression-of-allergic-disease-a-review
#2
REVIEW
Daniela Posa, Stephanie Hofmaier, Stefania Arasi, Paolo Maria Matricardi
PURPOSE OF REVIEW: Allergenic molecules of the house dust mite (HDM) are crucially important indoor allergens, contributing to allergic rhinitis and asthma around the globe. In the past years, recombinant molecules for diagnostics opened new pathways to investigate individual sensitization profiles and new chances for the prevention and treatment of HDM allergy. This review summarizes the latest findings on the evolution of IgE responses towards mite allergens. RECENT FINDINGS: Several cross-sectional and longitudinal studies confirmed the role of Der p 1 and Der p 2 as major allergenic proteins of the HDM...
May 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28418466/relief-for-dust-mite-allergy
#3
Rebecca Voelker
No abstract text is available yet for this article.
April 18, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28417623/a-real-life-comparison-between-allergenic-extracts-and-allergenic-molecules
#4
Giorgio Ciprandi, Paola Comite, Francesca Ferrero, Michele Mussap
Serum IgE assay is a mainstay step in the allergy work up. Allergenic extracts and molecular components are available at present. This real life study compared the serum specific IgE levels against allergenic extracts with allergenic molecules in patients allergic to Parietaria, Betulaceae, and mites. This retrospective real life study included 489 subjects with respiratory allergy. Inclusion criteria were 1) documented diagnosis of allergic rhinitis (AR) and/or allergic asthma, and 2) documented allergy to Parietaria judaica (Par j) 2 (216 patients: 112 females, mean age 42 years), or to Betula verrucosa (Bet v) 1 (62 patients: 35 females, mean age 3 years), or Dermatophagoides pteronyssinus (Der p) 1 (211 patients: 107 females, mean age 34 years); and mono-allergy...
February 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28413977/new-suggestions-in-sublingual-immunotherapy-for-house-dust-mite-related-allergic-diseases
#5
Matteo Ferrando, Diego Bagnasco, Giovanni Passa-Lacqua, Francesca Puggioni, Gilda Varricchi, Giorgio Walter Canonica
BACKGROUND: The indications for Allergen immunotherapy (AIT) in patients suffering from House Dust Mite (HDM)-related allergic diseases are presently based on incomplete data. This is essentially based on the fact that HDM allergy is difficult to evaluate in clinical trials, due to the largely variable allergen exposure and symptoms, and to the long periods of observation needed to assess the effects. In addition, at variance with pollen allergy, in HDM allergy asthma is more prevalent...
April 17, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28391760/use-of-temperature-controlled-laminar-airflow-in-the-management-of-atopic-asthma-clinical-evidence-and-experience
#6
John O Warner
Avoidance of allergens in the treatment of asthma has hitherto not achieved significant benefit despite the strong evidence that allergy both increases severity and contributes to exacerbations of asthma. House dust mite, cat and dog allergens are the most common perennial allergic triggers and most avoidance strategies have focused on reducing exposures in bedrooms. Cochrane reviews have suggested that they neither significantly reduce allergen levels nor improve asthma. While the lack of efficacy may be assumed to be a consequence of exposures occurring outside the bedroom, prolonged sleep is associated with increased susceptibility to bronchospasm and airway inflammation...
April 2017: Therapeutic Advances in Respiratory Disease
https://www.readbyqxmd.com/read/28381320/allergen-specific-immunoglobulin-e-and-allergic-rhinitis-severity
#7
Angelo G Corsico, Mara De Amici, Vanessa Ronzoni, Vania Giunta, Maria Chiara Mennitti, Arianna Viscardi, Gian Luigi Marseglia, Giorgio Ciprandi
BACKGROUND: Allergic rhinitis (AR) is a common disorder. The diagnosis is based on the concordance between allergy sensitization and history. Serum allergen specific immunoglobulin E (sIgE) assessment allows characterization of the relevant sensitizing allergens. Presently, Allergic Rhinitis and its Impact on Asthma (ARIA) classification subdivides AR based on symptoms severity and duration. However, the relationship between sIgE levels and symptom severity is still a matter of debate...
March 1, 2017: Allergy & Rhinology
https://www.readbyqxmd.com/read/28370618/mass-spectrometry-to-complement-standardization-of-house-dust-mite-and-other-complex-allergenic-extracts
#8
Jelena Spiric, Andreas Reuter, Ronald L Rabin
In the United States, the Center for Biologics Evaluation and Research (CBER) of the US Food and Drug Administration regulates biologics used for diagnosis and treatment of allergic diseases. The Code of Federal Regulations 21CFR680.3(e) states that when measured, the potency of an allergenic extract is assessed according to its allergenic activity. As of 2016, 19 allergenic extracts are standardized for potency in the United States. While these standardized extracts constitute a minority of those available, they treat the most prevalent allergies (e...
March 31, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28346234/outstanding-animal-studies-in-allergy-i-from-asthma-to-food-allergy-and-anaphylaxis
#9
Erika Jensen-Jarolim, Isabella Pali-Schöll, Franziska Roth-Walter
PURPOSE OF REVIEW: Animal models published within the past 18 months on asthma, food allergy and anaphylaxis, all conditions of rising public health concern, were reviewed. RECENT FINDINGS: While domestic animals spontaneously develop asthma, food allergy and anaphylaxis, in animal models, divergent sensitization and challenge routes, dosages, intervals and antigens are used to induce asthmatic, food allergic or anaphylactic phenotypes. This must be considered in the interpretation of results...
March 24, 2017: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28326908/sublingual-immunotherapy-tablets-as-a-disease-modifying-add-on-treatment-option-to-pharmacotherapy-for-allergic-rhinitis-and-asthma
#10
Stephen Brunton, Harold S Nelson, David I Bernstein, Simon Lawton, Susan Lu, Hendrik Nolte
Allergic rhinitis (AR) with or without conjunctivitis (AR/C) is associated with a significant health and economic burden, and is often accompanied by asthma. Pharmacotherapies are the mainstay treatment options for AR and asthma, but guidelines also recommend allergy immunotherapy (AIT). Unlike pharmacotherapies, AIT has the ability to modify the underlying immunologic mechanisms of AR and asthma with the potential for long-term benefits after treatment is discontinued. Immunotherapy may also prevent progression of AR/C to asthma...
March 27, 2017: Postgraduate Medicine
https://www.readbyqxmd.com/read/28326906/a-practical-guide-to-the-sublingual-immunotherapy-tablet-adverse-event-profile-implications-for-clinical-practice
#11
David I Bernstein, Jose A Bardelas, Bodil Svanholm Fogh, Amarjot Kaur, Ziliang Li, Hendrik Nolte
OBJECTIVES: Treatment with allergy immunotherapy improves allergic rhinoconjunctivitis, but can also improve comorbidities associated with allergic rhinitis such as asthma. Sublingual immunotherapy (SLIT)-tablets are a convenient and efficacious method of allergy immunotherapy. They are self-administered after the first tablet has been provided under medical supervision. Therapy may elicit local reactions or, rarely, systemic allergic reactions. The objective of this report is to inform healthcare practitioners about the safety and tolerability profile of SLIT-tablets and use this information to provide practical guidance that may inform patients regarding potential adverse reactions and how to manage them...
March 22, 2017: Postgraduate Medicine
https://www.readbyqxmd.com/read/28326466/a-cost-minimisation-analysis-comparing-sublingual-immunotherapy-to-subcutaneous-immunotherapy-for-the-treatment-of-house-dust-mite-allergy-in-a-swedish-setting
#12
Åse Björstad, Lars-Olaf Cardell, Julie Hahn-Pedersen, Mikael Svärd
BACKGROUND AND OBJECTIVES: In Sweden, approximately 6% of children and 10% of adults suffer from house dust mite (HDM) allergy with symptoms of allergic rhinitis and allergic asthma. Treatment is aimed at reducing HDM exposure and to control the symptoms of allergic rhinitis and allergic asthma by symptom-relieving pharmacotherapy. This pharmacotherapy is often effective, but some patients remain inadequately controlled. For these patients, allergy immunotherapy (AIT, subcutaneous or sublingual) with repeated administration of HDM allergen should be considered...
March 22, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/28303765/the-significance-of-the-levels-of-il-4-il-31-and-tlsp-in-patients-with-asthma-and-or-rhinitis
#13
Ruonan Chai, Beixing Liu, Feifei Qi
AIM: To investigate the clinical significance of the levels of IL-4, IL-33 and thymic stromal lymphopoietin (TLSP) in patients with asthma and/or rhinitis, then do the simple verification in animals. METHODS: Levels of IL-4 IL-31, IL-33 and TLSP were detected by ELISA and real-time PCR in 64 asthma patients (sIgE[+]: 32 cases, sIgE[-]: 32 cases), 64 rhinitis patients (sIgE[+]: 32 cases, sIgE[-]: 32 cases), 64 asthma complicated with allergic rhinitis patients (sIgE[+]: 32 cases, sIgE[-]: 32 cases) and 32 healthy controls...
March 2017: Immunotherapy
https://www.readbyqxmd.com/read/28303289/-relevance-of-nasal-provocation-testing-in-house-dust-mite-allergy
#14
B R Haxel
Patients with house dust mite allergies frequently exhibit very different symptoms to those allergic to other inhalant allergens. The frequency of comorbid allergic asthma in these patients is increased. Therefore, diagnosing patients with suspected house dust mite allergies can be difficult. It is important to distinguish between sensitization to an allergen and a clinically relevant allergy. Nasal provocation testing (NPT) is a reliable method to identify patients suitable for a causal treatment (specific immunotherapy)...
March 16, 2017: HNO
https://www.readbyqxmd.com/read/28294587/vitamin-d-levels-and-allergic-diseases-an-italian-cross-sectional-multicenter-survey
#15
C Lombardi, G Passalacqua
Background. During the two last decades, the interest in the role of Vitamin D (VD) in allergic disease has increased. Apart from the well-known actions of VD in bone metabolism, recent studies suggested its possible role as an immune-modulator in allergy. Objective. This study, conducted over the Italian territory, evaluated the possible correlations between VD serum level and diagnosed allergic diseases (rhinitis / asthma, food allergy, atopic dermatitis). Thus, VD was assessed in patients with physician-diagnosed allergic diseases...
March 2017: European Annals of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28293934/a-pilot-study-of-intralymphatic-immunotherapy-for-house-dust-mite-cat-and-dog-allergies
#16
Sang Pyo Lee, Seung Joon Choi, Eugene Joe, Sang Min Lee, Min Woo Lee, Jung Woo Shim, Yu Jin Kim, Sun Young Kyung, Jeong Woong Park, Sung Hwan Jeong, Joo Hyun Jung
Several recent clinical trials reported that intralymphatic immunotherapy (ILIT) for some allergens, such as cat dander and pollen, induce tolerance more rapidly than conventional subcutaneous or sublingual immunotherapy, have a comparable duration of effect after only 3 injections, and do not provoke serious local or systemic reactions. However, the efficacy and safety of ILIT are using Dermatophagoides farinae (Df), Dermatophagoides pteronyssinus (Dp), and dog, which are indoor allergens that are commonly found globally, need to be evaluated...
May 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28284531/mite-allergen-extracts-and-clinical-practice
#17
REVIEW
Jerónimo Carnés, Víctor Iraola, Seong H Cho, Robert E Esch
OBJECTIVE: To provide physicians, researchers, and other interested health care professionals with information about how mite source materials and allergen extracts are manufactured, including the critical process parameters that can affect the final composition of allergenic extracts available for clinical use. DATA SOURCES: A PubMed search was performed using focused keywords combined with relevant regulatory documents and industry guidelines. STUDY SELECTIONS: The information obtained through literature and specialized books was evaluated and combined with the personal expertise and experience of the authors...
March 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28282624/immunotoxicity-of-organophosphate-flame-retardants-tphp-and-tdcipp-on-murine-dendritic-cells-in%C3%A2-vitro
#18
Derya Canbaz, Adrian Logiantara, Ronald van Ree, Leonie S van Rijt
Organophosphate flame retardants (PFRs) are commonly used as alternatives for the banned polybrominated diphenyl ethers (PBDEs) and are ubiquitously detected in indoor dust. PFRs can be potentially hazardous to respiratory health via the inhalation of house dust. Dendritic cells (DCs) are crucial in the immunological defense against pathogens in the airways. In respiratory allergy however, an aberrant immune response is induced against innocuous proteins, like house dust mite allergens. In this study, we examined whether exposure to PFRs Triphenylphosphate (TPHP) and Tris(1,3-dichloroisopropyl) phosphate (TDCIPP) affected activation/maturation of DCs at steady state and during exposure to house dust mite allergens (HDM)...
February 28, 2017: Chemosphere
https://www.readbyqxmd.com/read/28270741/sensitization-to-secretoglobin-and-lipocalins-in-a-group-of-young-children-with-risk-of-developing-respiratory-allergy
#19
Mizuho Nagao, Magnus P Borres, Mayumi Sugimoto, Carl Johan Petersson, Satoshi Nakayama, Yu Kuwabara, Sawako Masuda, Patrik Dykiel, Takao Fujisawa
BACKGROUND: Multiple sensitizations in early age have been reported to be a risk for development of asthma. This study evaluates the emergence and evolution of IgE to aeroallergens among a cohort of children with physician-diagnosed atopic dermatitis and/or showing food allergy symptoms and to examine the relation to asthma development. METHODS: Three-hundred and four children (median age 13.4 months at entry) with food allergy symptoms and/or atopic dermatitis without asthma at inclusion were analysed for IgE antibodies against food-, indoor- and outdoor-allergens and pet allergen components and correlated to the individuals' outcome on asthma inception...
2017: Clinical and Molecular Allergy: CMA
https://www.readbyqxmd.com/read/28266165/il33-and-il1rl1-variants-are-associated-with-asthma-and-atopy-in-a-brazilian-population
#20
G A Queiroz, R S Costa, N M Alcantara-Neves, G Nunes de Oliveira Costa, M L Barreto, V L Carneiro, C A Figueiredo
Atopic asthma is a chronic inflammatory disease in airways resulting from genetic and environmental factors, characterized by production of the Th2 cytokines interleukin-4 (IL-4), interleukin-5 (IL-5) and interleukin-13 (IL-13). Interleukin-33 (IL-33) appears to be a potent inducer of Th2 immune response. This occurs when IL-33 binds and activates its receptor, the membrane ST2 (ST2L) in mast cells, dendritic cells, basophils, eosinophils, innate lymphoids and Th2 cells, leading to the release of these cytokines and intensifying allergic inflammation...
April 2017: International Journal of Immunogenetics
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