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Allergen immunotherapy

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https://www.readbyqxmd.com/read/28822054/utility-and-comparative-efficacy-of-recombinant-allergens-versus-allergen-extract
#1
REVIEW
Hardik D Patel, Jeffrey M Chambliss, Meera R Gupta
Allergy immunotherapy (AIT) is the only disease-modifying therapy for the treatment of allergic diseases. Although its efficacy and utility are well-established, the potential for serious adverse events, cumbersome and lengthy treatment protocols, and variability of natural allergen preparations have limited its widespread application. Recent advances in recombinant technology have opened new avenues for the development of AIT vaccines. The purpose of this review is to highlight recent evidence on the use of novel recombinant vaccines and review the mechanisms, efficacy, safety, and limitations of AIT...
August 18, 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28821461/cutaneous-vaccination-with-coated-microneedles-prevents-development-of-airway-allergy
#2
Akhilesh Kumar Shakya, Chang Hyun Lee, Harvinder Singh Gill
Allergy cases are increasing worldwide. Currently allergies are treated after their appearance in patients. However, now there is effort to make a preventive vaccine against allergies. The rationale is to target patient populations that are already sensitized to allergens but have yet to develop severe forms of the allergic disease, or who are susceptible to allergy development but have not yet developed them. Subcutaneous injections and the sublingual route have been used as the primary mode of preventive vaccine delivery...
August 15, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28814959/poor-sleep-is-highly-associated-with-house-dust-mite-allergic-rhinitis-in-adults-and-children
#3
Damien Leger, Bénédicte Bonnefoy, Bernard Pigearias, Bertrand de La Giclais, Antoine Chartier
BACKGROUND: Sleep disorders are often underreported to physicians by patients with allergies. This study aimed to characterize the sleep disorders associated with respiratory allergy to house dust mites (HDM) at the time of initiation of sublingual allergen immunotherapy (SLIT) in routine clinical practice. METHODS: This prospective, cross-sectional, observational study was conducted between November 2014 and March 2015 at 189 French trial sites and included 1750 participants suffering from HDM allergy who were initiating SLIT...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/28814941/a-survey-on-the-perception-of-allergy-specialists-about-the-reimbursed-grass-pollen-tablets-for-seasonal-allergic-rhinitis-in-italy
#4
Ilaria Massaro, Oliviero Rossi, Cristoforo Incorvaia, Carlo Lombardi
BACKGROUND: Sublingual immunotherapy (SLIT) is a feasible option to classical subcutaneous immunotherapy to treat respiratory allergy and is increasingly prescribed in Europe. However, the lack of reimbursement may limit its prescription. In 2015, the 5-grass pollen tablets was authorized by the European Medicine Agency to treat grass-pollen induced rhinitis and was approved in Italy for full reimbursement. We evaluated the opinions of allergy specialists after the availability of the reimbursed 5-grass pollen tablets...
2017: Clinical and Molecular Allergy: CMA
https://www.readbyqxmd.com/read/28812470/oral-administration-of-ovalbumin-after-sensitization-attenuates-symptoms-in-a-mouse-model-of-food-allergic-enteropathy
#5
Erika Hiraide, Mamiko Morinaga, Hiroki Hidaka, Satoki Yamada, Jun Takeyama, Noriko Kitamura, Osamu Kaminuma, Takachika Hiroi, Weibin Du, Katsuyo Ohashi-Doi, Haruyo Nakajima-Adachi, Satoshi Hachimura
Oral immunotherapy (OIT) is a promising treatment of food allergy. To administer an appropriate oral dose of an allergenic component as OIT to individuals sensitized with a food allergen may prevent inducing food allergic inflammation in them. So we attempted to establish a mouse model to evaluate efficacy for oral administration of food allergen after sensitization. In BALB/c mice sensitized by injecting ovalbumin (OVA) with alum twice, OVA was administered before inducing inflammation by feeding the mice with egg white (EW) diet...
August 16, 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/28811248/development-of-an-elisa-for-the-diagnosis-of-reactive-ige-antibodies-anti-therapeutic-horse-sera
#6
Salvatore Giovanni De-Simone, Andre Luis Almeida Souza, Aniesse Silva Aguiar, Anibal Raphel Melgarejo, David William Provance-Jr
Hypersensitive diseases that involve IgE reactivity are important concern of public, especially those encompassing the potential pathogenesis from the administration of horse serum-based therapeutics such as antivenoms. A method for the definitive diagnosis of reactive IgE is important for identifying allergic patients to control severe collateral effects during planned and emergency application of immunotherapies when the allergy source cannot be avoided for treatment. To date, no tests have been developed to accompany the wide range of antivenoms produced from horse sera...
August 12, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28808910/nmr-resonance-assignments-of-a-hypoallergenic-isoform-of-the-major-birch-pollen-allergen-bet-v-1
#7
Linda Ahammer, Sarina Grutsch, Michael Wallner, Fatima Ferreira, Martin Tollinger
In Northern America and Europe a great number of people are suffering from birch pollen allergy and pollen related food allergies. The trigger for these immunological reactions is the 17.5 kDa major birch pollen allergen Bet v 1, which belongs to the family of PR-10 (pathogenesis-related) proteins. In nature, Bet v 1 occurs as a mixture of various isoforms that possess different immunological properties despite their high sequence identities. Bet v 1.0102 (Bet v 1d), which is investigated here, is a hypoallergenic isoform of Bet v 1 and a potential candidate for allergen-specific immunotherapy...
August 14, 2017: Biomolecular NMR Assignments
https://www.readbyqxmd.com/read/28806766/sublingual-immunotherapy-slit-for-house-dust-mites-does-not-prevent-new-allergen-sensitization-and-bronchial-hyper-responsiveness-in-allergic-rhinitis-children
#8
Jae Hyun Lim, Jin Youp Kim, Doo Hee Han, Chul Hee Lee, Seung-No Hong, Jee Hye Wee, Sue K Park, Chae-Seo Rhee
INTRODUCTION: The aim of this study is to identify the effects of sublingual immunotherapy (SLIT) on immunologic parameters and bronchial-hyper-responsiveness in children with allergic rhinitis to house-dust mite (HDM), through long-term follow-up cohort. METHODS: Among the Allergic Rhinitis Cohort Study for Kids, pediatric patients who visited the hospital for rhinitis symptoms and proven allergy to HDM through skin prick test were studied. In this cohort, 37 patients received SLIT more than 3-years (SLIT group), and 184 patients received only pharmacologic therapy (non-SLIT group) were included in this study...
2017: PloS One
https://www.readbyqxmd.com/read/28794855/allergen-immunotherapy-for-allergic-rhinoconjunctivitis-a-systematic-overview-of-systematic-reviews
#9
REVIEW
Ulugbek Nurmatov, Sangeeta Dhami, Stefania Arasi, Graham Roberts, Oliver Pfaar, Antonella Muraro, Ignacio J Ansotegui, Moises Calderon, Cemal Cingi, Stephen Durham, Roy Gerth van Wijk, Susanne Halken, Eckard Hamelmann, Peter Hellings, Lars Jacobsen, Edward Knol, Desiree Larenas-Linnemann, Sandra Y Lin, Vivian Maggina, Hanneke Oude-Elberink, Giovanni Pajno, Ruby Panwankar, Elideanna Pastorello, Constantinos Pitsios, Giuseppina Rotiroti, Frans Timmermans, Olympia Tsilochristou, Eva-Maria Varga, Jamie Wilkinson, Andrew Williams, Margitta Worm, Luo Zhang, Aziz Sheikh
BACKGROUND: The European Academy of Allergy and Clinical Immunology (EAACI) is developing Guidelines on Allergen Immunotherapy (AIT) for Allergic Rhinoconjunctivitis (ARC). To inform the development of recommendations, we sought to critically assess the systematic review evidence on the effectiveness, safety and cost-effectiveness of AIT for ARC. METHODS: We undertook a systematic overview, which involved searching nine international biomedical databases from inception to October 31, 2015...
2017: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/28794300/a-novel-murine-model-of-japanese-cedar-pollinosis-for-characterizing-allergen-specific-sublingual-immunotherapy
#10
Soichi Tofukuji, Satoru Ishida, Kazufumi Katayama
No abstract text is available yet for this article.
2017: Nihon Yakurigaku Zasshi. Folia Pharmacologica Japonica
https://www.readbyqxmd.com/read/28782655/on-the-role-of-igg4-in-inflammatory-conditions-lessons-for-igg4-related-disease
#11
REVIEW
David C Trampert, Lowiek M Hubers, Stan F J van de Graaf, Ulrich Beuers
The pathophysiology of immunoglobulin G4-related disease (IgG4-RD) and its most common manifestations, IgG4-associated (sclerosing) cholangitis and autoimmune pancreatitis, remains largely unknown, but IgG4 is presumably involved. IgG4 is a promiscuous antibody, which could be directly pathogenic, fulfill a protective role, or could just be a fortuitous marker of an aberrant inflammatory response. IgG4 antibodies possess exclusive structural and functional characteristics suggesting anti-inflammatory and tolerance-inducing effects...
August 3, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28782296/combining-anti-ige-with-oral-immunotherapy
#12
REVIEW
Chunrong Lin, Ivan T Lee, Vanitha Sampath, Chitra Dinakar, Rosemarie H DeKruyff, Lynda C Schneider, Kari C Nadeau
Food allergy is a significant medical problem that affects up to 8% of children in developed countries. At present, there are no curative therapies available in routine practice and management of food allergy involves strict allergen avoidance, education, and prompt treatment upon accidental exposure. Oral immunotherapy (OIT) is an efficacious experimental approach to food allergy and has been shown to provide a substantial benefit in terms of allergen desensitization. However, OIT is associated with high rates of allergic reactions, and the period of protection offered by OIT appears to be limited and highly variable...
August 7, 2017: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/28776792/a-pilot-study-of-the-effect-of-pullulan-conjugated-der-f-2-allergen-specific-immunotherapy-on-canine-atopic-dermatitis
#13
Kouji Kawano, Takuya Mizuno
BACKGROUND: Dermatophagoides farinae is a major and common environmental house dust mite involved in canine atopic dermatitis (CAD). A formulation of recombinant protein Der f 2 is available in Japan for immunotherapy in dogs. HYPOTHESIS/OBJECTIVES: To evaluate the efficacy of a recombinant allergen based on Der f 2-pullulan for the treatment of cAD. METHODS: Dogs (n = 15) with atopic dermatitis were administered Der f 2 conjugated with pullulan (-P)...
August 4, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28771830/challenges-in-the-implementation-of-eaaci-guidelines-on-allergen-immunotherapy-a-global-perspective-on-the-regulation-of-allergen-products
#14
REVIEW
A Bonertz, G Roberts, M Hoefnagel, M Timon, J Slater, R Rabin, J Bridgewater, C Pini, O Pfaar, C Akdis, J Goldstein, L K Poulsen, R van Ree, C Rhyner, D Barber, O Palomares, A Sheikh, R Pawankar, D Hamerlijnk, L Klimek, I Agache, E Angier, T Casale, M Fernandez-Rivas, S Halken, M Jutel, S Lau, G Pajno, G Sturm, E Maria Varga, R Gerth van Wijk, S Bonini, A Muraro, S Vieths
Regulatory approaches for allergen immunotherapy (AIT) products and the availability of high quality AIT products are inherently linked to each other. While allergen products are available in many countries across the globe, their regulation is very heterogeneous. First, we describe the regulatory systems applicable for AIT products in the European Union (EU) and in the United States (US). For Europe, a depiction of the different types of relevant procedures, as well as the committees involved is provided and the fundamental role of national agencies of the EU member states in this complex and unique network is highlighted...
August 3, 2017: Allergy
https://www.readbyqxmd.com/read/28768806/a-phenotypically-and-functionally-distinct-human-th2-cell-subpopulation-is-associated-with-allergic-disorders
#15
Erik Wambre, Veronique Bajzik, Jonathan H DeLong, Kimberly O'Brien, Quynh-Anh Nguyen, Cate Speake, Vivian H Gersuk, Hannah A DeBerg, Elizabeth Whalen, Chester Ni, Mary Farrington, David Jeong, David Robinson, Peter S Linsley, Brian P Vickery, William W Kwok
Allergen-specific type 2 helper T (TH2) cells play a central role in initiating and orchestrating the allergic and asthmatic inflammatory response pathways. One major factor limiting the use of such atopic disease-causing T cells as both therapeutic targets and clinically useful biomarkers is the lack of an accepted methodology to identify and differentiate these cells from overall nonpathogenic TH2 cell types. We have described a subset of human memory TH2 cells confined to atopic individuals that includes all allergen-specific TH2 cells...
August 2, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28768801/pinning-allergies-on-pathogenic-th2-cells
#16
REVIEW
David J Cousins
A new proinflammatory subtype of antigen-specific TH2 cell that expresses CD161 emerges as the pathogenic cell type in allergic disease and is deleted during allergen-specific immunotherapy (Wambre et al, this issue).
August 2, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28765817/allergen-specific-intralymphatic-immunotherapy-in-human-and-animal-studies
#17
REVIEW
Seon Tae Kim, So Hyun Park, Sang Min Lee, Sang Pyo Lee
Clinical trials of intralymphatic immunotherapy (ILIT) have been performed to overcome the limitations of long-term therapy and the local or systemic hypersensitivity reactions in conventional allergen-specific immunotherapy, including subcutaneous or sublingual immunotherapy. Additionally, several animal studies of ILIT have been conducted in the form of translational or veterinary research. We conducted a literature review to examine the treatment efficacy and adverse effects of ILIT.
July 2017: Asia Pacific Allergy
https://www.readbyqxmd.com/read/28763132/hydrolysed-ovalbumin-offers-more-effective-preventive-and-therapeutic-protection-against-egg-allergy-than-the-intact-protein
#18
D Lozano-Ojalvo, L Pérez-Rodríguez, A Pablos-Tanarro, E Molina, R López-Fandiño
BACKGROUND: The application of specific immunotherapy to stimulate oral tolerance towards food allergens is hampered by the high frequency of adverse side effects and the excessive duration of the treatments. OBJECTIVE: In this work, a hydrolysate of ovalbumin with pepsin (OP), selected for its low IgE reactivity and Th2-stimulating capacity, was assayed for its ability to prevent and treat allergy to egg white (EW). METHODS: As a first step, the safety of OP, in terms of the absence of sensitizing and eliciting potential, was evaluated in BALB/c mice...
August 1, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28760720/profilin-a-change-in-the-paradigm
#19
P Rodríguez Del Río, A Díaz-Perales, S Sánchez-García, C Escudero, M D Ibáñez, P Méndez-Brea, D Barber
Profilin is a protein present in all eukaryotic cells, and is responsible for the cross-reactivity between pollen, latex and plant foods. It has been classically acknowledged as a minor or nearly irrelevant allergen, although recent data are changing this conception. The objective of this manuscript is to comprehensively review the published data on the role of this ubiquitous allergen in pollen, latex and plant food allergy. The patterns of recognition of this minor allergen follow a north-south gradient, and although present in all pollens and vegetables, it is significantly associated with grass pollen and Cucurbitaceae fruits...
August 1, 2017: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/28760498/differences-and-similarities-between-sublingual-immunotherapy-of-allergy-and-oral-tolerance
#20
REVIEW
Philippe Moingeon, Laurent Mascarell
Allergen immunotherapy is the only treatment altering the natural course of IgE-mediated allergies. Whereas the subcutaneous route for immunotherapy (SCIT) has been historically considered as a reference, we discuss herein the relative advantages of the sublingual and oral routes as alternatives to SCIT in order to elicit allergen-specific tolerance. The buccal and gut immune systems are similarly organized to favor immune tolerance to antigens/allergens, due to the presence of tolerogenic dendritic cells and macrophages promoting the differentiation of CD4(+) regulatory T cells...
July 28, 2017: Seminars in Immunology
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