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https://www.readbyqxmd.com/read/28533901/allergic-respiratory-disease-ard-setting-forth-the-basics-proposals-of-an-expert-consensus-report
#1
Ana M Navarro, Julio Delgado, Rosa M Muñoz-Cano, M Teresa Dordal, Antonio Valero, Santiago Quirce
BACKGROUND: The variability of symptoms observed in patients with respiratory allergy often hampers classification based on the criteria proposed in guidelines on rhinitis and asthma. OBJECTIVES: We assessed specific aspects of allergic respiratory disease (ARD) that are not explicitly addressed in the guidelines in order to issue specific recommendations and thus optimize clinical practice. METHODS: Using the Delphi technique, 40 Spanish allergists were surveyed to reach consensus on 71 items related to ARD...
2017: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/28532268/allergen-immunotherapy-in-allergic-rhinitis-current-use-and-future-trends
#2
Ludger Klimek, Oliver Pfaar, Jean Bousquet, Gabriela Senti, Thomas Kündig
Type-1 allergies are among the most chronic common diseases of humans. Allergen immunotherapy (AIT) is the only causative and disease-modifying treatment option besides allergen avoidance. Severe systemic adverse allergic reactions may be induced by every AIT treatment. Different approaches have been used to provide safer AIT preparations to lower or even totally overcome this risk. Areas covered: A structured literature recherche in Medline and Pubmed under inclusion of national and international guidelines and Cochrane meta-analyses has been performed aiming at reviewing clinical use of such approaches in AIT...
May 23, 2017: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/28526624/guideline-recommendations-on-the-use-of-allergen-immunotherapy-in-house-dust-mite-allergy-time-for-a-change
#3
Moisés A Calderón, Jean Bousquet, G Walter Canonica, Lars-Olaf Cardell, Dolores Hernandez Fernandez de Rojas, Jörg Kleine-Tebbe, Pascal Demoly
Guidelines on the treatment of asthma, allergic rhinitis (AR) and allergen immunotherapy (AIT) lack recommendations for house dust mite (HDM) allergy. An expert panel reviewed current guidelines in the light of new data, to assess whether guidelines could be improved. Most guidelines and key position papers did not provide specific recommendations on treatment of allergic asthma (AA) caused by HDM allergy, although some included AIT as a treatment option for AA in general. Around half of the guidelines stated that AIT with HDM extract was an effective treatment for AR, with several indicating sublingual immunotherapy (SLIT) as an option...
May 16, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28525399/allergen-immunotherapy-for-the-treatment-of-respiratory-allergies-in-the-elderly
#4
Gyu-Young Hur, Ji-Ho Lee, Hae-Sim Park
PURPOSE OF REVIEW: Respiratory allergies, including asthma and allergic rhinitis can also occur in the elderly. Allergen immunotherapy for allergic diseases is the only disease-modifying treatment for patients with allergies available thus far. Here, we review current evidence supporting the use of allergen immunotherapy in the elderly and discuss its efficacy and utility for the treatment of respiratory allergic diseases in this setting. RECENT FINDINGS: Subcutaneous and/or sublingual immunotherapy are effective therapeutic options in not only young but also older patients...
May 17, 2017: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28521905/harnessing-the-properties-of-dendritic-cells-in-the-pursuit-of-immunological-tolerance
#5
REVIEW
Christopher Horton, Kumaran Shanmugarajah, Paul J Fairchild
The acquisition of self-perpetuating, immunological tolerance specific for graft alloantigens has long been described as the "holy grail" of clinical transplantation. By removing the need for life-long immunosuppression following engraftment, the adverse consequences of immunosuppressive regimens, including chronic infections and malignancy, may be avoided. Furthermore, autoimmune diseases and allergy are, by definition, driven by aberrant immunological responses to ordinarily innocuous antigens. The re-establishment of permanent tolerance towards instigating antigens may, therefore, provide a cure to these common diseases...
April 2017: Biomedical Journal
https://www.readbyqxmd.com/read/28521317/mechanisms-of-tolerance-induction
#6
Anna Nowak-Węgrzyn, Pantipa Chatchatee
Food allergy results from failure in oral tolerance that usually occurs in infancy or early childhood. Exposure to peanut and hen's egg via the inflamed and disrupted epithelial barrier in children with severe atopic dermatitis is a risk factor for the development of allergy to these foods and supports the hypothesis that epicutaneous exposure in the absence of oral feeding is an important pathway of allergic IgE sensitization in infants. In recent years, the collective evidence has pointed toward the protective effect of an early feeding with peanut and egg in children with eczema, taking advantage of the pathways underlying oral tolerance to counteract epicutaneous exposure...
2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28507496/safety-and-efficacy-of-venom-immunotherapy-a-real-life-study
#7
Agnieszka Kołaczek, Dawid Skorupa, Monika Antczak-Marczak, Piotr Kuna, Maciej Kupczyk
INTRODUCTION: Venom immunotherapy (VIT) is recommended as the first-line treatment for patients allergic to Hymenoptera venom. AIM: To analyze the safety and efficacy of VIT in a real life setting. MATERIAL AND METHODS: One hundred and eighty patients undergoing VIT were studied to evaluate the safety, efficacy, incidence and nature of symptoms after field stings and adverse reactions to VIT. RESULTS: Significantly more patients were allergic to wasp than bee venom (146 vs...
April 2017: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/28506846/allergen-specific-immunotherapy-modulates-the-balance-of-circulating-tfh-and-tfr-cells
#8
Veronique Schulten, Victoria Tripple, Grégory Seumois, Yu Qian, Richard H Scheuermann, Zheng Fu, Michela Locci, Sandy Rosales, Pandurangan Vijayanand, Alessandro Sette, Rafeul Alam, Shane Crotty, Bjoern Peters
Follicular helper T cells (Tfh cells) are a CD4 T cell subset essential for germinal center formation and B cell responses, although their role in allergy and allergen-specific immunotherapy (AIT) is unclear. Here, we show that AIT-treated patients have a higher ratio of regulatory Tfh cells (Tfr) to follicular T cells (Tfh) and hypothesize an IL-2 dependent mechanism.
May 12, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28503403/diagnostics-in-hymenoptera-venom-allergy-current-concepts-and-developments-with-special-focus-on-molecular-allergy-diagnostics
#9
Thilo Jakob, David Rafei-Shamsabadi, Edzard Spillner, Sabine Müller
BACKGROUND: The high rate of asymptomatic sensitization to Hymenoptera venom, difficulty in correctly identifying Hymenoptera and loss of sensitization over time make an accurate diagnosis of Hymenoptera venom allergy challenging. Although routine diagnostic tests encompassing skin tests and the detection of venom-specific IgE antibodies with whole venom preparations are reliable, they offer insufficient precision in the case of double sensitized patients or in those with a history of sting anaphylaxis, in whom sensitization cannot be proven or only to the presumably wrong venom...
2017: Allergo Journal International
https://www.readbyqxmd.com/read/28502133/t-regulatory-cells-response-to-allergen-specific-immunotherapy-in-patients-with-allergic-airway-diseases-a-prospective-study
#10
Raghdaa A Ramadan, Emad A Morad, Mohamed El-Shabrawy
Forkhead box P3 (FoxP3) T regulatory (Treg) cells modulate the immune system by blocking other types of T-cells. They maintain tolerance to self-antigens and help in inducing tolerance to foreign antigens. A deregulation of FoxP3 Tregs seems to play an important role in allergic disorders. The aim of this work was to study the response of FoxP3 Treg cells and their FoxP3 expression in patients, attending the Allergy Unit and the Chest Outpatient Clinic, Faculty of Medicine, Zagazig University, with allergic airway diseases, before and 1 year after receiving subcutaneous allergen specific immunotherapy (SIT)...
June 2016: Egyptian Journal of Immunology
https://www.readbyqxmd.com/read/28501976/component-resolved-diagnosis-in-hymenoptera-anaphylaxis
#11
REVIEW
D Tomsitz, K Brockow
PURPOSE OF REVIEW: Hymenoptera anaphylaxis is one of the leading causes of severe allergic reactions and can be fatal. Venom-specific immunotherapy (VIT) can prevent a life-threatening reaction; however, confirmation of an allergy to a Hymenoptera venom is a prerequisite before starting such a treatment. Component resolved diagnostics (CRD) have helped to better identify the responsible allergen. RECENT FINDINGS: Many new insect venom allergens have been identified within the last few years...
June 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28501765/enhanced-sublingual-immunotherapy-by-tat-fused-recombinant-allergen-in-a-murine-rhinitis-model
#12
Farhad Salari, Fatemeh Vahedi, Abdol-Reza Varasteh, Hanieh Ketabdar, Jamshidkhan Chamani, Mojtaba Sankian
Allergen-specific sublingual immunotherapy (SLIT) is well known as an effective and non-invasive route to induce allergy desensitization. The goal of this study was to investigate whether a TAT-fused recombinant allergen could enhance SLIT efficacy. BALB/c mice sensitized to the main allergen (Che a 3) of Chenopodium album pollen were treated sublingually either with rChe a 3 (100μg/dose) or rTAT-Che a 3 (100μg/dose), two times per week for eight weeks. SLIT with rTAT-Che a 3 led to significantly greater allergen-specific IgG2a than rChe a 3; however, neither rTAT-Che a 3 nor rChe a 3 affected allergen-specific IgE or IgG1 antibody levels...
May 11, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28499778/fatal-anaphylaxis-to-yellow-jacket-stings-in-mastocytosis-options-for-identification-and-treatment-of-at-risk-patients
#13
Byrthe J P R Vos, Bjorn van Anrooij, Jasper J van Doormaal, Anthony E J Dubois, Joanne N G Oude Elberink
BACKGROUND: Patients with indolent systemic mastocytosis (ISM) are at risk for severe anaphylactic reactions to yellow jacket (YJ) stings while demonstration of sensitization can be challenging because specific IgE (sIgE) levels are regularly below 0.35 kUA/L. The implication of missing YJ allergy is illustrated by a case of fatal anaphylaxis. OBJECTIVE: To explore the natural course of YJ venom allergy and the diagnostic accuracy and therapeutic consequence of YJ venom sIgE in patients with ISM...
May 10, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28497677/successful-of-subcutaneous-and-oral-hyposensitizing-therapy-in-30-patients
#14
A Tammaro, I Romano, F R Parisella, G De Marco, F Persechino, I Trimarchi, S Persechino
Background. Pharmacotherapy and immunotherapy are the main treatment modalities for respiratory allergy. The aim of this paper has been to evaluate the efficacy and tolerability of subcutaneous and sublingual immunotherapy in association in allergic patients, and to demonstrate that the patients who have performed a second oral vaccination cycle after 4-5 years from the first subcutaneous treatment, derive benefits that may last for years. This is due to immune system's plasticity. Methods. The study was conducted in 30 allergic patients which had previously executed a full cycle of classical subcutaneous immunotherapy, with a partial remission of symptoms...
May 2017: European Annals of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28494467/expression-and-characterization-of-functional-recombinant-bet-v-1-0101-in-the-chloroplast-of-chlamydomonas-reinhardtii
#15
Sonja Hirschl, Claudia Ralser, Claudia Asam, Alessandro Gangitano, Sara Huber, Christof Ebner, Barbara Bohle, Martin Wolf, Peter Briza, Fatima Ferreira, Christoph Griesbeck, Michael Wallner
BACKGROUND: Allergen immunotherapy (AIT) still plays a minor role in the treatment of allergic diseases. To improve the acceptance of AIT by allergic patients, the treatment has to become more convenient and efficacious. One possibility is the oral application of allergens or derivatives thereof. Therefore, we sought to produce a recombinant allergen in the green alga Chlamydomonas reinhardtii as a novel production platform. METHODS: The major birch pollen allergen Bet v 1 was selected as candidate molecule, and a codon-optimized gene was synthesized and stably integrated into the microalga C...
May 12, 2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28494206/component-resolved-evaluation-of-the-content-of-major-allergens-in-therapeutic-extracts-for-specific-immunotherapy-of-honeybee-venom-allergy
#16
Simon Blank, Stefanie Etzold, Ulf Darsow, Maximilian Schiener, Bernadette Eberlein, Dennis Russkamp, Sara Wolf, Anke Graessel, Tilo Biedermann, Markus Ollert, Carsten B Schmidt-Weber
Allergen-specific immunotherapy is the only curative treatment for honeybee venom (HBV) allergy, which is able to protect against further anaphylactic sting reactions. Recent analyses on a molecular level have demonstrated that HBV represents a complex allergen source that contains more relevant major allergens than formerly anticipated. Moreover, allergic patients show very diverse sensitization profiles with the different allergens. HBV-specific immunotherapy is conducted with HBV extracts which are derived from pure venom...
May 11, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28493631/allergen-immunotherapy-for-allergic-rhinoconjunctivitis-a-systematic-review-and-meta-analysis
#17
REVIEW
Sangeeta Dhami, Ulugbek Nurmatov, Stefania Arasi, Tahir Khan, Miqdad Asaria, Hadar Zaman, Arnav Agarwal, Gopal Netuveli, Graham Roberts, Oliver Pfaar, Antonella Muraro, Ignacio J Ansotegui, Moises Calderon, Cemal Cingi, Stephen Durham, Ronald Gerth van Wijk, Susanne Halken, Eckard Hamelmann, Peter Hellings, Lars Jacobsen, Edward Knol, Desiree Larenas Linnemann, Sandra Lin, Paraskevi Maggina, Ralph Mösges, Hanneke Oude Elberink, Giovanni Pajno, Ruby Panwankar, Elide Pastorello, Martin Penagos, Constantinos Pitsios, Giuseppina Rotiroti, Frans Timmermans, Olympia Tsilochristou, Eva-Maria Varga, Carsten Schmidt-Weber, Jamie Wilkinson, Andrew Williams, Margitta Worm, Luo Zhang, Aziz Sheikh
BACKGROUND: The European Academy of Allergy and Clinical Immunology (EAACI) is in the process of developing Guidelines on Allergen Immunotherapy (AIT) for Allergic Rhinoconjunctivitis. In order to inform the development of clinical recommendations, we undertook a systematic review to assess the effectiveness, cost-effectiveness and safety of AIT in the management of allergic rhinoconjunctivitis METHODS: We searched 15 international biomedical databases for published, in progress and unpublished evidence...
May 11, 2017: Allergy
https://www.readbyqxmd.com/read/28490893/sesame-allergy-current-perspectives
#18
REVIEW
Adil Adatia, Ann Elaine Clarke, Yarden Yanishevsky, Moshe Ben-Shoshan
Sesame is an important global allergen affecting ~0.1% of the North American population. It is a major cause of anaphylaxis in the Middle East and is the third most common food allergen in Israel. We conducted a systematic review of original articles published in the last 10 years regarding the diagnosis and management of sesame allergy. Skin prick testing appears to be a useful predictor of sesame allergy in infants, although data are less consistent in older children and adults. The diagnostic capacity of serum-specific immunoglobulin E is poor, especially in studies that used oral food challenges to confirm the diagnosis...
2017: Journal of Asthma and Allergy
https://www.readbyqxmd.com/read/28490399/specific-immunoglobulin-e-and-immunoglobulin-g4-toward-major-allergens-of-house-dust-mite-during-allergen-specific-immunotherapy
#19
Jianjun Chen, Yue Zhou, Yanjun Wang, Yiwu Zheng, Xuxin Lai, Emma Westermann-Clark, Seong H Cho, Weijia Kong
BACKGROUND: Specific immunoglobulin E (sIgE) and sIgG4 to house-dust mite (HDM) major allergens during allergen immunotherapy (AIT) and their clinical relevance remain unclear. OBJECTIVE: To investigate the variation of sIgE and sIgG4 to HDM major allergens and the correlation with clinical responses during AIT in patients with allergic rhinitis. METHODS: Thirty-nine patients with HDM allergy were divided into the AIT group (taking immunotherapy) and the control group (medication only use)...
May 1, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28487836/allergic-conjunctivitis-in-asia
#20
REVIEW
Bernard Yu-Hor Thong
Allergic conjunctivitis (AC), which may be acute or chronic, is associated with rhinitis in 30%-70% of affected individuals, hence the term allergic rhinoconjunctivitis (AR/C). Seasonal and perennial AC is generally milder than the more chronic and persistent atopic and vernal keratoconjunctivitis. Natural allergens like house dust mites (HDM), temperate and subtropical grass and tree pollen are important triggers that drive allergic inflammation in AC in the Asia-Pacific region. Climate change, environmental tobacco smoke, pollutants derived from fuel combustion, Asian dust storms originating from central/north Asia and phthalates may also exacerbate AR/C...
April 2017: Asia Pacific Allergy
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