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https://www.readbyqxmd.com/read/28230769/hypoallergenic-variant-of-the-major-egg-white-allergen-gal-d-1-produced-by-disruption-of-cysteine-bridges
#1
Pathum Dhanapala, Dulashi Withanage-Dona, Mimi L K Tang, Tim Doran, Cenk Suphioglu
Gal d 1 (ovomucoid) is the dominant allergen in the chicken egg white. Hypoallergenic variants of this allergen can be used in immunotherapy as an egg allergy treatment approach. We hypothesised that disruption of two of the nine cysteine-cysteine bridges by site-directed mutagenesis will allow the production of a hypoallergenic variant of the protein; Methods: Two cysteine residues at C192 and C210 in domain III of the protein were mutated to alanine using site-directed mutagenesis, to disrupt two separate cysteine-cysteine bridges...
February 21, 2017: Nutrients
https://www.readbyqxmd.com/read/28226319/oral-and-sublingual-immunotherapy-potential-causes-for-eosinophilic-gastrointestinal-disorders
#2
Delara Babaie, Mehrnaz Mesdaghi, Makoto Nishino, Mahboubeh Mansouri, Motohiro Ebisawa
Food allergy is a common health problem worldwide, with increasing prevalence during recent decades. The only approved treatments for food allergy are food avoidance and administration of emergency medications in case of accidental exposure, which negatively affects patients' quality of life, so new treatments are highly desirable. Different food immunotherapy modalities have recently been used, with variable success rates in the induction of desensitization and tolerance, and different numbers and types of adverse reactions...
February 23, 2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28219062/the-impact-on-allergy-related-cells-of-a-birch-pollen-allergoid-with-and-without-monophosphoryl-lipid-a-in-comparison-with-the-native-equivalent
#3
Margitta Worm, Dennis Ernst, Markus Kraller, Magda Babina
BACKGROUND: The clinical efficacy and safety of allergoid immunotherapy have been demonstrated in clinical trials. However, simultaneous monitoring of the immunological changes by allergoids versus allergens in the cells of the same individual has not been extensively performed, and the impact of concurrent Toll-like receptor 4 (TLR4) ligation has not been specified. METHODS: Three types of birch allergen were utilized: glutaraldehyde-treated allergoid (extract A), the same allergoid plus monophosphoryl lipid A (MPL), i...
February 21, 2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28213675/-adherence-in-specific-immunotherapy
#4
REVIEW
M-L Lemberg, M-J Joisten, R Mösges
Allergies are steadily gaining in importance in the Western world. For over one hundred years, immunology has been the only causal treatment. Specific immunotherapy (SIT) aims at the cure of allergy or at least freedom from allergy symptoms. In association with this, adherence poses a complex problem. Both treatment applications commonly used in Germany-sublingual and subcutaneous immunotherapy-show poor persistence on the part of the patients. In most cases, SIT is not carried out to the end of the recommended duration and instead is discontinued prematurely...
February 17, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28212503/lactobacillus-buchneri-s-layer-as-carrier-for-an-ara-h-2-derived-peptide-for-peanut-allergen-specific-immunotherapy
#5
Julia Anzengruber, Merima Bublin, Eva Bönisch, Bettina Janesch, Angelika Tscheppe, Matthias L Braun, Eva-Maria Varga, Christine Hafner, Heimo Breiteneder, Christina Schäffer
Peanut allergy is an IgE-mediated severe hypersensitivity disorder. The lack of a treatment of this potentially fatal allergy has led to intensive research on vaccine development. Here, we describe the design and initial characterization of a carrier-bound peptide derived from the most potent peanut allergen, Ara h 2, as a candidate vaccine. Based on the adjuvant capability of bacterial surface (S-) layers, a fusion protein of the S-layer protein SlpB from Lactobacillus buchneri CD034 and the Ara h 2-derived peptide AH3a42 was produced...
February 14, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28211342/key-issues-in-hymenoptera-venom-allergy-an-update
#6
REVIEW
T Alfaya Arias, V Soriano Gómis, T Soto Mera, A Vega Castro, J M Vega Gutiérrez, A Alonso Llamazares, D Antolín Amérigo, F J Carballada Gonzalez, C Dominguez Noche, D Gutierrez Fernandez, L Marques Amat, A Martinez Arcediano, M Martinez San Ireneo, A Moreno Ancillo, Y Puente Crespo, B Ruiz Leon, L Sánchez Morillas
In this review, the Hymenoptera Allergy Committee of the SEAIC analyzes the most recent scientific literature addressing problems related to the diagnosis of hymenoptera allergy and to management of venom immunotherapy. Molecular diagnosis and molecular risk profiles are the key areas addressed. The appearance of new species of hymenoptera that are potentially allergenic in Spain and the associated diagnostic and therapeutic problems are also described. Finally, we analyze the issue of mast cell activation syndrome closely related to hymenoptera allergy, which has become a new diagnostic challenge for allergists given its high prevalence in patients with venom anaphylaxis...
2017: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/28199353/oral-administration-of-lactobacillus-paracasei-l9-attenuates-pm2-5-induced-enhancement-of-airway-hyperresponsiveness-and-allergic-airway-response-in-murine-model-of-asthma
#7
Xifan Wang, Yan Hui, Liang Zhao, Yanling Hao, Huiyuan Guo, Fazheng Ren
This study investigated allergy immunotherapy potential of Lactobacillus paracasei L9 to prevent or mitigate the particulate matter 2.5 (PM2.5) enhanced pre-existing asthma in mice. Firstly, we used a mouse model of asthma (a 21-day ovalbumin (OVA) sensitization and challenge model) followed by PM2.5 exposure twice on the same day of the last challenge. PM2.5 was collected from the urban area of Beijing and underwent analysis for metals and polycyclic aromatic hydrocarbon contents. The results showed that PM2...
2017: PloS One
https://www.readbyqxmd.com/read/28193791/epinephrine-for-first-aid-management-of-anaphylaxis
#8
Scott H Sicherer, F Estelle R Simons
Anaphylaxis is a severe, generalized allergic or hypersensitivity reaction that is rapid in onset and may cause death. Epinephrine (adrenaline) can be life-saving when administered as rapidly as possible once anaphylaxis is recognized. This clinical report from the American Academy of Pediatrics is an update of the 2007 clinical report on this topic. It provides information to help clinicians identify patients at risk of anaphylaxis and new information about epinephrine and epinephrine autoinjectors (EAs). The report also highlights the importance of patient and family education about the recognition and management of anaphylaxis in the community...
February 13, 2017: Pediatrics
https://www.readbyqxmd.com/read/28188713/-safety-of-subcutaneous-immunotherapy-with-tyrosine-adsorbed-house-dust-mite-extracts-in-patients-with-allergic-disease
#9
Mónica María Molina-Sáenz, Ana María Villa-Arango, Ricardo Cardona-Villa
BACKGROUND: In spite of allergen-specific immunotherapy (SIT) multiple benefits, its use is restricted in some countries owing to concerns about severe adverse reactions. OBJECTIVE: To evaluate systemic adverse reactions in patients with atopic dermatitis, allergic asthma, allergic rhinitis and allergic conjunctivitis who received subcutaneous immunotherapy with tyrosine-adsorbed Dermatophagoides and Glycyphagoides dust mites extracts. METHODS: Retrospective study of the 2010-2015-period that included 773 patients diagnosed with IgE-mediated diseases, where the safety of allergen-specific immunotherapy was described according to the World Organization of Allergy subcutaneous immunotherapy-induced systemic reactions classification system...
January 2017: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/28188710/-prevalence-of-sensitization-to-inhalant-allergens-in-the-immunology-department-from-hospital-de-especialidades-pedi%C3%A3-tricas-mar%C3%A3-a-honduras-2016
#10
Victoria Alejandra Gonzales-González, Adolfo Martín Díaz-Flores, Karla Zobeyda Fernández-Zelaya, María Félix Rivera-Reyes
BACKGROUND: Allergic diseases are a public health problem; estimates indicate that between 30% and 40% of the world population is affected by some allergy. Knowing the prevalence of allergen sensitization allows for adequate diagnoses and treatments to be offered. In Honduras there are no studies available in pediatric patients. OBJECTIVE: The purpose of this research was to identify the most common types of sensitization in children and their correlation with the most common allergic diseases in patients on immunotherapy at the Maria Hospital of Pediatric Specialties...
January 2017: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/28187880/-management-and-prevention-of-cow-s-milk-protein-allergy-contribution-of-community-pharmacists
#11
C Rouelle, A Arion, V Prevost
Cow's milk protein allergy (CMPA) is a public health issue in children whose quality of life is strongly affected. The objective of this article is to review the present state of knowledge on the CMPA, and highlight some emerging alternatives in its management and in its prevention. Good knowledge in the appropriate infant formula, exclusion diets, the handling of the emergency treatment thanks to the use of epinephrine auto-injector pens, the use of personalized care project and accessibility to allergic patients' association are factors that secure the management...
February 7, 2017: Annales Pharmaceutiques Françaises
https://www.readbyqxmd.com/read/28182329/perceived-compliance-and-barriers-to-care-in-sublingual-immunotherapy
#12
Manvinder S Kumar, Melissa S Oh, Brittany Leader, Melissa Rotella, Leisa Stillman, John M DelGaudio, Sarah K Wise
BACKGROUND: For allergy immunotherapy to be effective, patient compliance is critical. However, aqueous sublingual immunotherapy (SLIT) may be considered demanding for patients, requiring strict daily dosing and refilling of medication at regular intervals. In this study we sought to determine how patients perceive their own compliance with SLIT and identify barriers that may hinder compliance. METHODS: Using a retrospective review, 46 patients currently undergoing aqueous SLIT were identified to have less-than-excellent compliance based on frequency of clinic visits for SLIT refills...
February 9, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28181151/update-on-potential-therapies-for-ige-mediated-food-allergy
#13
REVIEW
Andrew MacGinnite
PURPOSE OF REVIEW: Food allergy is common, affecting up to 8% of children in the USA. Currently, therapy is limited to avoidance of the implicated allergen and availability of self-injectable epinephrine. However, several new approaches to food allergy are under investigation. This article reviews the published data on these new approaches. RECENT FINDINGS: Oral immunotherapy, in which allergic subjects are exposed to increasing amounts of antigen, can be accomplished in the majority of allergic individuals...
January 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28162007/clinical-use-of-adjuvants-in-allergen-immunotherapy
#14
L Klimek, C B Schmidt-Weber, M F Kramer, M A Skinner, M D Heath
Introduction Allergen-specific Immunotherapy (AIT) is the only available treatment aimed to tackle the underlying causes of allergy. The active components of subcutaneous vaccines traditionally consist of natural or modified allergen extracts which can be combined with adjuvant platforms. In recent years new targets have been further developed in an attempt to raise the safety and efficacy profile of AIT. Areas Covered In this review, we discuss the desirable attributes of adjuvants and delivery systems from empiricism to rational design, for current and future clinical applications in AIT...
February 4, 2017: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/28161735/development-of-a-report-card-for-identifying-local-sublingual-immunotherapy-events-in-clinical-trials
#15
Josephine Norquist, Emuella Flood, Tiffany Tanzosh, Haojie Li, Beata Iskold, Thelma Rose Ganser, Helen Marson-Smith
BACKGROUND: The sublingual immunotherapy (SLIT) Report Card was developed to capture patient-reported local reactions from the administration of SLIT, based on the World Allergy Organization side-effect grading system. The objective was to evaluate understandability, usability, and translatability of the paper and electronic versions of the SLIT Report Card. METHODS: Adults (aged 18+ years), adolescents (aged 12-17 years), and parents/caregivers and their children (aged 5-11 years) participated in two rounds of interviews, testing the paper version in Round 1, and both the paper and electronic versions in Round 2...
February 4, 2017: Patient
https://www.readbyqxmd.com/read/28160513/the-clinical-and-immunological-effects-of-pru-p-3-slit-on-peach-and-peanut-allergy-in-patients-with-systemic-reactions
#16
F Gomez, G Bogas, M Gonzalez, P Campo, M Salas, A Diaz-Perales, M J Rodriguez, A Prieto, D Barber, M Blanca, M J Torres, C Mayorga
BACKGROUND: The peach non-specific lipid transfer protein (nsLTP), Pru p 3, is the primary sensitizer in fruits and responsible for severe reactions in the Mediterranean area. Peach allergy is frequently associated with other allergies such as peanut. Therefore, it is important to assess how specific immunotherapy to Pru p 3 could affect both peach and peanut tolerance. OBJECTIVES: To evaluate peach and peanut desensitization and immunological changes after one year of Pru p 3 sublingual immunotherapy (SLIT) in patients with systemic allergic reactions to peach and/or peanut...
February 4, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28152201/biomarkers-for-monitoring-clinical-efficacy-of-allergen-immunotherapy-for-allergic-rhinoconjunctivitis-and-allergic-asthma-an-eaaci-position-paper
#17
M H Shamji, J H Kappen, M Akdis, E Jensen-Jarolim, E F Knol, J Kleine-Tebbe, B Bohle, A M Chaker, S J Till, R Valenta, L K Poulsen, M A Calderon, P Demoly, O Pfaar, L Jacobsen, S R Durham, C B Schmidt-Weber
Allergen immunotherapy (AIT) is an effective treatment for allergic rhinoconjunctivitis (AR) with or without asthma (1-12). AIT has disease modifying properties and confers long-term clinical benefit after cessation of treatment (6, 7, 13-17). AIT is routinely used in daily practice and can be administered either subcutaneously (SCIT) or sublingually (SLIT) (3-12). Although AIT is effective, the degree of remission strongly varies depending on the complex interaction between patient, allergy, symptomatology and vaccines used for AIT (3-9)...
February 2, 2017: Allergy
https://www.readbyqxmd.com/read/28133873/the-future-of-immunotherapy-for-canine-atopic-dermatitis-a-review
#18
REVIEW
Douglas J DeBoer
Allergen specific immunotherapy (ASIT) is a foundation treatment for canine atopic dermatitis (CAD), though few critical studies have documented its effectiveness as a disease-modifying treatment in dogs. The mechanisms by which ASIT works in dogs have not been elucidated, although they are likely to parallel those known for humans. Current ASIT approaches in CAD focus on either subcutaneous or sublingual administration. Greater knowledge of major allergens in dogs, ideal dosage regimes and details of allergen admixture are likely to lead to better efficacy in CAD...
February 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28132800/preparation-and-analysis-of-peanut-flour-used-in-oral-immunotherapy-clinical-trials
#19
Jelena P Berglund, Nicole Szczepanski, Anusha Penumarti, Ayeshia Beavers, Janelle Kesselring, Kelly Orgel, Bruce Burnett, A Wesley Burks, Michael Kulis
BACKGROUND: Oral immunotherapy (OIT) is an investigational therapeutic approach for the treatment of food allergies. Characterization of the drug product used in oral immunotherapy trials for peanut allergy has not been reported. OBJECTIVE: To quantify relative amounts of the major peanut allergens and microbial load present in peanut flour used in OIT trials and assess whether these parameters change over a 12-month period. We also anticipate that this report will serve as a guide for investigators seeking to conduct OIT trials under Food and Drug Administration-approved Investigational New Drug applications...
January 26, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28129685/a-safe-and-effective-method-for-wheat-oral-immunotherapy
#20
Alireza Khayatzadeh, Mohamad Gharaghozlou, Motohiro Ebisawa, Raheleh Shokouhi Shoormasti, Masoud Movahedi
At present the only available management for food allergy is avoidance; however, abstaining from allergic foods can affect the quality of life. Oral Immunotherapy (OIT) is an efficient method for increasing tolerance towards food allergens. The aim of this study was desensitizing patients above five years of age with wheat allergy and evaluating the safety and efficacy of OIT for children with IgE-mediated wheat allergy. The method of Rush Oral Immunotherapy (ROIT) was performed on 8 anaphylactic wheat allergic patients as well as outpatient method on 5 non-anaphylactic ones...
December 2016: Iranian Journal of Allergy, Asthma, and Immunology
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