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https://www.readbyqxmd.com/read/27873194/lupin-and-other-potentially-cross-reactive-allergens-in-peanut-allergy
#1
REVIEW
Maurizio Mennini, Lamia Dahdah, Oscar Mazzina, Alessandro Fiocchi
PURPOSE OF REVIEW: The presence of IgE cross-reactivity between peanut allergens and allergens from other legumes and tree nuts has been demonstrated, but the identification of the involved individual allergens is still limited. The aim of this review is to describe new allergenic findings, of potential relevance for cross-reactivity among peanut and lupin. RECENT FINDINGS: Seventeen allergens of peanut have been included in the official allergen nomenclature database to date...
November 2016: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/27872794/in-silico-identification-of-potential-peptides-or-allergen-shot-candidates-against-aspergillus-fumigatus
#2
Raman Thakur, Jata Shankar
Aspergillus fumigatus is capable of causing invasive aspergillosis or acute bronchopulmonary aspergillosis, and the current situation is alarming. There are no vaccine or allergen shots available for Aspergillus-induced allergies. Thus, a novel approach in designing of an effective vaccine or allergen shot candidate against A. fumigatus is needed. Using immunoinformatics approaches from the characterized A. fumigatus allergens, we have mapped epitopic regions to predict potential peptides that elicit both Aspergillus-specific T cells and B cell immune response...
2016: BioResearch Open Access
https://www.readbyqxmd.com/read/27864812/how-in-vitro-assays-contribute-to-allergy-diagnosis
#3
REVIEW
Anne Casset, Naji Khayath, Frédéric de Blay
Diagnosis of allergic disorders is based upon the clinical history of the disease, the immunoglobulin E (IgE) antibody response, and the allergen exposure. During the last decade, many changes have occurred in the in vitro diagnostic tests used in daily practice. The most important one is the use of allergenic molecules, which helps to define severe profile of allergy and/or to better understand cross-reactivity. The correlation between IgE sensitization and bronchial or nasal response in provocation tests is not so clear, which implies that such tests are still helpful in allergy diagnosis...
November 2016: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/27833445/cloning-and-expression-of-aca-f-1-a-new-allergen-of-acacia-farnesiana-pollen
#4
Gholam Reza Khosravi, Mohammad-Ali Assarehzadegan, Payam Morakabati, Bahareh Akbari, Fatemeh Dousti
Acacia farnesiana is the main source of allergenic pollen and one of the most important causes of respiratory allergic disease in tropical and subtropical regions of the world. The purpose of this study was to produce a recombinant variety of allergenic Ole e 1-like protein from the pollen of this tree. To predict its allergenic cross-reactivity with other members of the Ole e 1-like protein family of common allergenic plants, the nucleotide sequence homology of the Acacia Ole e 1-like protein was evaluated...
2016: Central-European Journal of Immunology
https://www.readbyqxmd.com/read/27826019/molecular-cloning-expression-and-ige-immunoreactivity-of-phospholipase-a1-a-major-allergen-from-polybia-paulista-hymenoptera-vespidae-venom
#5
Amilcar Perez-Riverol, Franco Dani Campos Pereira, Alexis Musacchio Lasa, Luis Gustavo Romani Fernandes, José Roberto Aparecido Dos Santos-Pinto, Débora Lais Justo-Jacomini, Gabriel Oliveira de Azevedo, Murilo Luiz Bazon, Mario Sergio Palma, Ricardo de Lima Zollner, Márcia Regina Brochetto-Braga
Polybia paulista (Hymenoptera: Vespidae) is a clinically relevant social wasp that frequently causes stinging accidents in southeast Brazil. To date, diagnosis and specific immunotherapy (SIT) of allergy are based on the use of crude venom extracts. Production of recombinant forms of major allergens from P. paulista venom will improve diagnosis and SIT of allergic patients by reducing the incidence of cross-reactivity and non-specific sensitization. Here, we describe the molecular cloning, heterologous expression, purification and IgE-mediated immunodetection of phospholipase A1 (Poly p 1), a major allergen from P...
December 15, 2016: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/27806464/determination-of-geohelminthiasis-and-its-association-with-allergic-sensitization-among-selected-children-in-batangas-philippines
#6
Carina R Magbojos, Shereen O Chua, Charlene R Alegria, Faustina C Macalalad, Anne Camille R Malayba, Alyssa Andrea D Mandigma, Oliver Shane R Dumaoal
Several studies have explored the cross-reactivity between geohelminthiasis and allergy which share the same immune response in humans by triggering the increase in serum IgE level. Yet, the role of soil-transmitted intestinal parasitism as a protective or contributing factor for allergy remains inconclusive. In this study, the association of geohelminthiasis with allergic sensitization was investigated in a cohort of 50 children aged 5 to 12 years old residing in the areas of Batangas, Philippines where parasitism is prevalent...
June 30, 2016: Global Journal of Health Science
https://www.readbyqxmd.com/read/27793601/managing-nut-allergy-a-remaining-clinical-challenge
#7
Philippe A Eigenmann, Gideon Lack, Angel Mazon, Antonio Nieto, Diab Haddad, Helen A Brough, Jean-Christoph Caubet
Peanut and tree nut allergies have become a public health problem over the last 2 decades. The diagnostic procedure relies on a suggestive history, as well as on evidence of sensitization (skin prick testing and/or specific IgE blood testing), followed in selected cases by a food challenge. Standard IgE tests may be positive to more than 1 nut, due to cross-reactivity (allergens common to several nuts) or cosensitivity (frequently associated positive test results without cross-reactivity). Thus, many patients with a peanut or a tree nut allergy avoid all nuts, relying on positive test results without clinical evidence of reactivity...
October 25, 2016: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/27790249/cloning-structural-modelling-and-characterization-of-vest2s-a-wasp-venom-hyaluronidase-haase-from-vespa-tropica
#8
Prapenpuksiri Rungsa, Paroonkorn Incamnoi, Sophida Sukprasert, Nunthawun Uawonggul, Sompong Klaynongsruang, Jureerut Daduang, Rina Patramanon, Sittiruk Roytrakul, Sakda Daduang
BACKGROUND: Wasp venom is a complex mixture containing proteins, enzymes and small molecules, including some of the most dangerous allergens. The greater banded wasp (Vespa tropica) is well-known for its lethal venom, whose one of the major components is a hyaluronidase (HAase). It is believed that the high protein proportion and activity of this enzyme is responsible for the venom potency. METHODS: In the present study, cDNA cloning, sequencing and 3D-structure of Vespa tropica venom HAase were described...
2016: Journal of Venomous Animals and Toxins Including Tropical Diseases
https://www.readbyqxmd.com/read/27788883/urtica-dioica-pollen-allergy-clinical-biological-and-allergomics-analysis
#9
Angelica Tiotiu, Andrea Brazdova, Cyril Longé, Patrice Gallet, Martine Morisset, Virginie Leduc, Christiane Hilger, Cédric Broussard, Rémy Couderc, Jean-Pierre Sutra, Hélène Sénéchal, Pascal Poncet
BACKGROUND: The most emblematic members of Urticaceae at allergic risk level are wall pellitories (Parietaria), whereas nettle (Urtica) pollen is considered as poorly allergenic. No allergen from nettle pollen has yet been characterized, whereas 4 are listed for Parietaria pollen by the International Union of Immunological Societies. Clinical and biological profiles of 2 adult men who developed symptoms against nettle pollen and/or leaves were studied. OBJECTIVE: To characterize the allergic reaction and identify the potential nettle pollen sensitizing allergens...
November 2016: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/27787580/-insect-venom-allergies-update-2016-for-otorhinolaryngologists
#10
L Klimek, N Dippold, A Sperl
Due to the increasing incidence of hymenoptera venom allergies and the potentially life-threatening reactions, it is important for otolaryngologists working in allergology to have an understanding of modern diagnostic and treatment standards for this allergic disease. Molecular diagnosis with recombinant single allergens from bee and wasp venom components improves the diagnostics of insect venom allergies, particularly in patients with double-positive extract-based test results. Detection of specific sensitizations to bee or wasp venom enables double sensitizations to be better distinguished from cross-reactivity...
December 2016: HNO
https://www.readbyqxmd.com/read/27784212/plant-pathogenesis-related-proteins-pr-10-and-pr-14-as-components-of-innate-immunity-system-and-ubiquitous-allergens
#11
Tatiana V Ovchinnikova, Ekaterina I Finkina, Daria N Melnikova, Ivan V Bogdanov
Pathogenesis-related (PR) proteins are components of innate immunity system in plants. They play an important role in plant defense against pathogens. Lipid transfer proteins (LTPs) and Bet v 1 homologues comprise two separate families of PR-proteins. Both LTPs (PR-14) and Bet v 1 homologues (PR-10) are multifunctional small proteins involving in plant response to abiotic and biotic stress conditions. The representatives of these PR-protein families do not show any sequence similarity but have other common biochemical features such as low molecular masses, the presence of hydrophobic cavities, ligand binding properties, and antimicrobial activities...
October 26, 2016: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/27780168/specific-antibodies-for-the-detection-of-alternaria-allergens-and-the-identification-of-cross-reactive-antigens-in-other-fungi
#12
Teresa E Twaroch, Mirela Curin, Katja Sterflinger, Margit Focke-Tejkl, Ines Swoboda, Rudolf Valenta
BACKGROUND: The mould Alternaria alternata is an important source of respiratory allergens. A. alternata extracts show great variations regarding allergenic potency. The aim of this study was to generate antibody probes specific for important Alternaria allergens and to use them to study allergen expression, depending on different culture conditions, as well as to search for cross-reactive allergens in other mould species. METHODS: Synthetic peptides from antigenic regions of A...
October 26, 2016: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/27763856/relevance-of-allergenic-sensitization-to-cynodon-dactylon-and-phragmites-communis-cross-reactivity-with-pooideae-grasses
#13
M A López-Matas, R Moya, V Cardona, A Valero, P Gaig, A Malet, M Viñas, A García-Moral, M Labrador, E Alcoceba, M Ibero, J Carnés
BACKGROUND AND OBJECTIVES: The homologous group of sweet grasses belongs to the Pooideae subfamily, but grass pollen species from other subfamilies can also cause allergy, such as Cynodon dactylon (Chloridoideae) and Phragmites communis (Arundinoideae). C dactylon and P communis have not been included in the sweet grasses homologous group because of their low cross-reactivity with other grasses. The aims of this study were to investigate the profile of sensitization to C dactylon and P communis in patients sensitized to grasses and to analyze cross-reactivity between these 2 species and temperate grasses...
2016: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/27753449/cross-sectional-study-on-allergic-sensitization-of-austrian-adolescents-using-molecule-based-ige-profiling
#14
Teresa Stemeseder, Eva Klinglmayr, Stephanie Moser, Lisa Lueftenegger, Roland Lang, Martin Himly, Gertie J Oostingh, Joerg Zumbach, Arne C Bathke, Thomas Hawranek, Gabriele Gadermaier
BACKGROUND: Allergen specific IgE antibodies are a hallmark of type I allergy. The aim of this cross-sectional study was to analyze the sensitization profiles of an Austrian adolescent population utilizing molecule-based IgE diagnosis. METHODS: Serum samples of 501 non-selected pupils from Salzburg, Austria, were tested in ImmunoCAP ISAC(®) for IgE reactivity to 112 single allergens. Sensitization profiles were assessed and statistically coordinated with reported allergies...
October 18, 2016: Allergy
https://www.readbyqxmd.com/read/27726958/ige-cross-reactivity-of-peanut-with-walnut-and-soybean-in-children-with-food-allergy
#15
M N Kim, K E Lee, J Y Hong, K W Kim, K-E Kim, M H Sohn, J W Park
BACKGROUND: Peanut allergies are common and can be life-threating for sensitised individuals. Peanut allergens share significant amino acid homology with those of other legumes and tree nuts, but their cross-reactivity still remains unclear. OBJECTIVE: We sought to determine the clinical significance of the cross-reactivity of peanut allergens with those of walnut and soybean. METHODS: Pooled sera from eight subjects with both peanut and walnut specific IgE were investigated in an inhibition test...
October 7, 2016: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/27687128/allergen-immunotherapy-ait-for-the-multiple-pollen-sensitive-patient
#16
Harold S Nelson
The majority of allergic subjects are polysensitized. In Europe, allergy immunotherapy (AIT) in these patients is usually limited to their single clinically most troublesome allergy while in the U.S. the immunotherapy prescription usually includes all allergen extracts to which the patient has evidence of clinical sensitivity. Areas covered: This article will review the evidence supporting the U.S. practice. It will also review the major new development in the management of polysensitized patients, the introduction of component-resolved diagnosis (CRD)...
October 6, 2016: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/27614266/major-grass-pollen-allergens-and-components-detected-in-a-southern-chinese-cohort-of-patients-with-allergic-rhinitis-and-or-asthma
#17
Wenting Luo, Huimin Huang, Peiyan Zheng, Nili Wei, Jiaying Luo, Baoqing Sun, Guangqiao Zeng
There is so far a paucity of data about allergen component-resolved diagnosis, and the prevalence of grass pollen allergen components in China, in contrast to those from western countries. Even in this country, allergies to grass pollen allergen components in the vast south are inadequately described. This study aimed to determine the major sensitizing grass pollens in Guangzhou, the largest city in Guangdong province of southern China. Included in this study were 258 patients having allergic rhinitis with or without asthma and 88 healthy controls...
October 2016: Molecular Immunology
https://www.readbyqxmd.com/read/27604904/paramyosin-of-canine-onchocerca-lupi-usefulness-for-the-diagnosis-of-a-neglected-zoonotic-disease
#18
Bronwyn Campbell, Helder Cortes, Giada Annoscia, Alessio Giannelli, Antonio Parisi, Maria Stefania Latrofa, Filipe Dantas-Torres, Luís Cardoso, Domenico Otranto
BACKGROUND: Of increasing importance to the medical and veterinary communities is the zoonotic filarioid nematode Onchocerca lupi. Onchocercosis, thus far found in wolves, dogs, cats and humans, is diagnosed via skin snips to detect microfilariae and surgical removal of adults from the eye of the host. These methods are time-consuming, laborious and invasive, highlighting the need for new tools for the diagnosis of O. lupi in susceptible hosts. Symptoms related to the presence of the adults in the eye can range from none apparent to severe, including blindness...
2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27600386/house-dust-mite-allergens-new-discoveries-and-relevance-to-the-allergic-patient
#19
REVIEW
Wayne R Thomas
PURPOSE OF REVIEW: Recent findings on house dust allergens and their contribution to knowledge that will significantly impact on current and future allergy treatments are appraised. RECENT FINDINGS: Quantitation of IgE binding to a spectrum of allergen components in several independent studies in varying locations has largely affirmed the main components as the groups 1 and 2 and possibly 23 allergens with mid-tier contributions from the groups 4, 5, 7, and 21. Prevalent binding to Der p 23 has been recapitulated sometimes with low titers...
September 2016: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/27591103/artificial-human-sera-a-breakthrough
#20
EDITORIAL
R Crameri
No abstract text is available yet for this article.
December 2016: Allergy
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