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https://www.readbyqxmd.com/read/29333846/-food-allergy-in-children-recommendations-for-diagnosis-and-treatment
#1
(no author information available yet)
Food allergy arises from a specific immune response induced by food exposure. It is the first cause of anaphylaxis in childhood. Its prevalence increased exponentially in western countries. The proteins most frequently involved in infants are cow's milk and hen's egg; and in adults, seafood. Peanuts have the same frequency in both groups. The clinical manifestations and methodology of study are directly related to the pathophysiology of the disease. Clinical history, skin prick test, patch test, and food oral challenge are essential to arrive at a correct diagnosis, that will avoid unnecessary exclusions or exposures that carry life risk...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29333812/markers-of-inflammation-and-tolerance-development-in-allergic-proctocolitis
#2
Hikmet T Nacaroglu, Semiha Bahceci Erdem, Ersin Durgun, Sait Karaman, Cahit Baris Erdur, Canan S Unsal Karkmer, Demet Can
BACKGROUND: Today, as a result of an increase in the frequency of food protein-induced allergic proctocolitis (FPIAP), there is a need for studies not only to enlighten the pathophysiology of the disease but also to determine simple, non-invasive markers in both diagnosis, and evaluation of the development of tolerance. No study has been found in the literature about the place of neutrophil/lymphocyte ratio (NLR) and mean platelet volume (MPV), which are easy to calculate and non-invasive markers...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29332138/pathophysiology-of-eosinophilic-esophagitis
#3
REVIEW
Benjamin P Davis
Eosinophilic esophagitis (EoE) is a chronic inflammatory disease of the esophagus associated with an atopic predisposition which appears to be increasing in prevalence over the last few decades. Symptoms stem from fibrosis, swelling, and smooth muscle dysfunction. In the past two decades, the etiology of EoE has been and is continuing to be revealed. This review provides an overview of the effects of genetics, environment, and immune function including discussions that touch on microbiome, the role of diet, food allergy, and aeroallergy...
January 13, 2018: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/29332097/is-the-atopy-patch-test-reliable-in-the-evaluation-of-food-allergy-related-atopic-dermatitis
#4
Mahboubeh Mansouri, Elham Rafiee, Sepideh Darougar, Mehrnaz Mesdaghi, Zahra Chavoshzadeh
BACKGROUND: Aeroallergens and food allergens are found to be relevant in atopic dermatitis. The atopy patch test (APT) can help to detect food allergies in children with atopic dermatitis. This study evaluates if the APT is a valuable tool in the diagnostic workup of children with food allergy-related atopic dermatitis. METHODS: 42 children between 6 months and 12 years of age were selected at the Mofid Children Hospital. Atopic dermatitis was diagnosed, and the severity of the disease was determined...
January 13, 2018: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/29332094/low-dose-oral-immunotherapy-using-low-egg-allergen-cookies-for-severe-egg-allergic-children-reduces-allergy-severity-and-affects-allergen-specific-antibodies-in-serum
#5
Akihiro Maeta, Marin Matsushima, Nozomi Muraki, Mariko Asano, Yuri Takaoka, Makoto Kameda, Kyoko Takahashi
BACKGROUND: We evaluated the safety and efficacy of low-egg-allergen cookies (LAC) as low-dose oral immunotherapy (OIT) in children with severe egg allergy. We also examined the relationship between mild desensitization by low-dose OIT and serum biomarkers of allergy. METHODS: We enrolled 13 children with egg allergy who could not receive OIT with hard-boiled egg white (EW). For 11 participants, OIT was carried out using LAC for 3-4 months. Open food challenges with hard-boiled EW and blood samplings were performed before and after OIT...
January 13, 2018: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/29331514/employment-of-proteomic-and-immunological-based-methods-for-the-identification-of-catalase-as-novel-allergen-from-banana
#6
Jasna Nikolić, Andrijana Nešić, Skadi Kull, Frauke Schocker, Uta Jappe, Marija Gavrović-Jankulović
Diagnostic reagents based on food allergen extracts often lack sufficient sensitivity. The introduction of well characterized food allergens in molecular allergy diagnosis has been recognized as valid approach to circumvent unstandardized allergen extracts. Banana fruit (Musa acuminata) is a well-established allergen source which besides six characterized allergens, contains unidentified IgE reactive proteins whose clinical relevance remains undefined. By employment of a combinatorial peptide ligand library (CPLL) methodology with 2-D PAGE, mass spectrometric and 2-D immunoblot analysis, a novel allergen from banana fruit was detected in banana as catalase...
January 10, 2018: Journal of Proteomics
https://www.readbyqxmd.com/read/29331045/the-urgent-need-for-a-harmonized-severity-scoring-system-for-acute-allergic-reactions
#7
Antonella Muraro, Montserrat Fernandez-Rivas, Kirsten Beyer, Victòria Cardona, Andrew Clark, Esben Eller, Jonathan O'B Hourihane, Marek Jutel, Aziz Sheikh, Ioana Agache, Katrina J Allen, Liz Angier, Barbara Ballmer-Weber, Maria Beatrice Bilò, Carsten Bindslev-Jensen, Carlos A Camargo, Antonella Cianferoni, Audrey DunnGalvin, Philippe A Eigenmann, Susanne Halken, Karin Hoffmann-Sommergruber, Susanne Lau, Caroline Nilsson, Lars K Poulsen, Franziska Rueff, Jonathan Spergel, Gunter Sturm, Frans Timmermans, Maria J Torres, Paul Turner, Ronald van Ree, Magnus Wickman, Margitta Worm, E N Clare Mills, Graham Roberts
The accurate assessment and communication of the severity of acute allergic reactions is important to patients, clinicians, researchers, the food industry, public health and regulatory authorities. Severity has different meanings to different stakeholders with patients and clinicians rating the significance of particular symptoms very differently. Many severity scoring systems have been generated, most focusing on the severity of reactions following exposure to a limited group of allergens. They are heterogeneous in format, none has used an accepted developmental approach and none has been validated...
January 13, 2018: Allergy
https://www.readbyqxmd.com/read/29329877/-attitudes-towards-cow-s-milk-protein-allergy-management-by-spanish-gastroenterologist
#8
Alicia Isabel Pascual Pérez, Alejandra Méndez Sánchez, Óscar Segarra Cantón, Beatriz Espin Jaime, Santiago Jiménez Treviño, Carlos Bousoño García, Juan José Díaz Martín
INTRODUCTION: Food allergy is an increasing health problem in the developed world. Cow's milk protein is the main cause of food allergy in infants. Without an appropriate diagnostic workup, there is a high risk of both over- and underdiagnosis and therefore, over and undertreatment. The objective of our study was to analyze the variability in cow's milk protein allergy (CMPA) management by pediatric gastroenterologists in Spain. METHODS: A fifty item questionnaire, including open and closed items in a Likert's scale from 0 to 5, was drafted and distributed through the Spanish Society for Pediatric Gastroenterology, Hepatology and Nutrition (SEGHNP) e-mail list...
January 9, 2018: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/29328585/food-allergy
#9
Stacie M Jones, A Wesley Burks
No abstract text is available yet for this article.
December 7, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29328584/food-allergy
#10
Rivka S Horowitz
No abstract text is available yet for this article.
December 7, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29319896/skin-inflammation-exacerbates-food-allergy-symptoms-in-epicutaneously-sensitized-mice
#11
Akiko Kawasaki, Naohiro Ito, Hiroki Murai, Motoko Yasutomi, Hironobu Naiki, Yusei Ohshima
BACKGROUND: Cutaneous exposure to food antigen through impaired skin barrier has been shown to induce epicutaneous sensitization, thereby causing IgE-mediated food allergies. OBJECTIVE: We examined whether skin barrier impairment following epicutaneous sensitization exacerbates food allergies. METHODS: BALB/c mice were epicutaneously sensitized by repeated application of ovalbumin (OVA) to MC903-pretreated ear skin for 48 hours weekly and then intragastrically challenged with OVA...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29319881/systemic-il-2-anti-il-2ab-complex-combined-with-sublingual-immunotherapy-suppresses-experimental-food-allergy-in-mice-through-induction-of-mucosal-regulatory-t-cells
#12
Paola L Smaldini, Fernando Trejo, José L Cohen, Eliane Piaggio, Guillermo H Docena
Therapeutic tolerance restoration has been proven to modify food allergy in patients and animal models and although sublingual immunotherapy (SLIT) has showed promise, combined therapy may be necessary to achieve a strong and long-term tolerance. In this work, we combined SLIT with systemic administration of IL-2 associated with an anti-IL-2 monoclonal antibody (IL-2/anti-IL-2Ab complex or IL-2C) to reverse the IgE-mediated experimental allergy. Balb/c mice were sensitized with cholera toxin and milk proteins and orally challenged with allergen to elicit hypersensitivity reactions...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29319877/with-tree-nut-sensitization-take-the-current-when-it-serves-or-lose-our-ventures
#13
EDITORIAL
Matthew Greenhawt
Tree nut allergy affects approximately 1.4-2.3%, depending on the study methodology, patient age, and region in which the study was conducted.1,2 Tree nut allergy can be severe, and tends to persist throughout life.1,3 Tree nut is not a singular allergen like the other allergens-we use the term "tree nut" to refer to these items, but in essence it can refer to one nut, eight nuts, or per the US Food and Drug Agency classification, on the order of 19 items.1,4 Older, more conservative practice is to treat one nut as "all nuts", and instruct avoidance of all tree nuts where there is a clinical allergy proven to just one...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29319184/diagnostic-accuracy-risk-assessment-and-cost-effectiveness-of-component-resolved-diagnostics-for-food-allergy-a-systematic-review
#14
REVIEW
Javier Flores Kim, Nicola McCleary, Bright I Nwaru, Andrew Stoddart, Aziz Sheikh
BACKGROUND: Component-resolved diagnostics (CRD) are promising tools for diagnosing food allergy, offering the potential to determine specific phenotypes and to develop patient-tailored risk profiles. Nevertheless, the diagnostic accuracy of these tests varies across studies; thus, their clinical utility remains unclear. Therefore, we synthesized the evidence from studies investigating the diagnostic accuracy, risk assessment ability, and cost-effectiveness of CRD for food allergy. METHODS: We systematically searched 10 electronic databases and four clinical trial registries for studies published January 2000-February 2017...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29318631/early-life-gut-microbiome-and-egg-allergy
#15
Mina Fazlollahi, Yoojin Chun, Alexander Grishin, Robert A Wood, A Wesley Burks, Peter Dawson, Stacie M Jones, Donald Y M Leung, Hugh A Sampson, Scott H Sicherer, Supinda Bunyavanich
BACKGROUND: Gut microbiota may play a role in egg allergy. We sought to examine the association between early-life gut microbiota and egg allergy. METHODS: We studied 141 children with egg allergy and controls from the multi-center Consortium of Food Allergy Research study. At enrollment (age 3 to 16 months), fecal samples were collected and clinical evaluation, egg specific IgE measurement, and egg skin prick test were performed. Gut microbiome was profiled by 16S rRNA sequencing...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29318622/fish-oil-in-infancy-protects-against-food-allergy-in-iceland-results-from-a-birth-cohort-study
#16
Michael Clausen, Kristjan Jonasson, Thomas Keil, Kirsten Beyer, Sigurveig T Sigurdardottir
BACKGROUND: Consumption of oily fish or fish oil during pregnancy, lactation, and infancy has been linked to a reduction in the development of allergic diseases in childhood. METHODS: In an observational study, Icelandic children (n = 1304) were prospectively followed from birth to 2.5 years with detailed questionnaires administered at birth and at one and two years of age, including questions about fish oil supplementation. Children with suspected food allergy were invited for physical examinations, allergic sensitization tests, and a double-blind, placebo-controlled food challenge if the allergy testing or clinical history indicated food allergy...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29315948/a-patient-specific-approach-to-developing-an-exclusion-diet-to-manage-food-allergy-in-infants-and-children
#17
Carina Venter, Marion Groetch, Merryn Netting, Rosan Meyer
Food allergy is becoming increasingly common in infants and young children. This paper set out to explain the different factors that should be taken into account during an individualized allergy consultation: Foods to avoid and degree of avoidance, suitable alternatives, self-management skills, co-and cross-reactive allergens and novel allergens alongside the role of the industry in allergen avoidance, importance of nutritional aspects of the diet and the future directions that nutritional guidance make take...
January 8, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29315922/the-use-of-omalizumab-in-allergen-immunotherapy
#18
Jennifer A Dantzer, Robert A Wood
Although omalizumab (anti-IgE) is currently only approved for the treatment of asthma and chronic idiopathic urticaria, it has also been studied as an off-label treatment for numerous allergic conditions, including use as an adjunct to allergen immunotherapy in the treatment of allergic rhinitis, asthma, venom hypersensitivity, and food allergy. We conducted a review of publications involving the use of omalizumab with allergen immunotherapy, by searching PubMed with key search terms of "omalizumab" and "immunotherapy...
January 5, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29315919/prevalence-and-longitudinal-trends-of-food-allergy-during-childhood-and-adolescence-results-of-the-isle-of-wight-birth-cohort-study
#19
D Venkataraman, M Erlewyn-Lajeunesse, R J Kurukulaaratchy, S Potter, G Roberts, S Matthews, S Hasan Arshad
BACKGROUND: The prevalence and time trends of food allergy change during childhood depending on the age of the child and the type of food. OBJECTIVE: To study prevalence and longitudinal trends in food allergy from birth to 18 years in an unselected birth cohort in the Isle of Wight. METHOD: Information on food allergy was collected at ages 1, 2, 4, 10 and 18 years from the Isle of Wight Birth Cohort (n = 1456). Skin prick testing (SPT) was performed at the age of 1 and 2 years in symptomatic children...
January 8, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29315632/food-allergen-sensitized-ccr9-lymphocytes-enhance-airways-allergic-inflammation-in-mice
#20
Laure Castan, Marie-Aude Cheminant, Luc Colas, Sophie Brouard, Antoine Magnan, Grégory Bouchaud
BACKGROUND: The mechanisms of the atopic march, characterized by a natural progression from food and cutaneous allergies to rhinitis and asthma, are still unknown. However, as several organs can be involved, chemokines and their receptors might be implicated in this process and may be instrumental factors. OBJECTIVES: We hypothesized that the T-cell gut-homing receptor CCR9 could be implicated in the evolution of allergic diseases. METHODS: We characterized the immune response and the role of CCR9 in a murine model combining food allergy to wheat gliadin and a model of acute airways inflammation in response to house dust mite...
January 9, 2018: Allergy
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