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https://www.readbyqxmd.com/read/29457221/association-of-stat6-gene-variants-with-food-allergy-diagnosed-by-double-blind-placebo-controlled-food-challenges
#1
C D van Ginkel, M E Pettersson, A E J Dubois, G H Koppelman
This study describes the role of two STAT6 gene variants in food allergy using data of patients and their parents who underwent double-blind placebo-controlled food challenges (DBPCFCs). After quality control, 369 trios were analyzed including 262 children (71.0%) with food allergy. Associations were tested by family based association testing (FBAT). The A alleles of both SNPs were associated with food allergy (p=0.036 and p=0.013 for rs324015 and rs1059513, respectively). Furthermore, these A alleles were associated with peanut allergy, higher sIgE levels to both peanut and cow's milk, more severe symptoms and higher eliciting doses during peanut and cow's milk DBPCFCs (all p<0...
February 19, 2018: Allergy
https://www.readbyqxmd.com/read/29456038/increase-of-natural-killer-cells-in-children-with-liver-transplantation-acquired-food-allergy
#2
F Mori, C Angelucci, A Cianferoni, S Barni, G Indolfi, A Casini, G Mangone, M Materassi, N Pucci, C Azzari, E Novembre
BACKGROUND: Transplantation-acquired food allergies (TAFA) are frequently reported and considered to be caused by immunosuppressive therapy. The aim of this study was to investigate the allergic and immunologic responses in children who had liver or kidney transplantations. METHODS: Twelve children receiving liver transplantations and 10 children receiving kidney transplantations were investigated. All children underwent the allergy work-up and in most of them, lymphocyte screening and serum cytokine measurements were also performed...
February 15, 2018: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/29455358/the-use-of-biomarkers-to-predict-aero-allergen-and-food-immunotherapy-responses
#3
REVIEW
Sayantani B Sindher, Andrew Long, Swati Acharya, Vanitha Sampath, Kari C Nadeau
The incidence of allergic conditions has continued to rise over the past several decades, with a growing body of research dedicated toward the treatment of such conditions. By driving a complex range of changes in the underlying immune response, immunotherapy is the only therapy that modulates the immune system with long-term effects and is presently utilized for the treatment of several atopic conditions. Recent efforts have focused on identifying biomarkers associated with these changes that may be of use in predicting patients with the highest likelihood of positive clinical outcomes during allergen immunotherapy (AIT), providing guidance regarding AIT discontinuation, and predicting symptomatic relapse and the need for booster AIT after therapy...
February 17, 2018: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/29454836/mechanism-for-initiation-of-food-allergy-dependence-on-skin-barrier-mutations-and-environmental-allergen-co-stimulation
#4
Matthew Walker, Jeremy Green, Ryan Ferrie, Ashley Queener, Mark H Kaplan, Joan M Cook-Mills
BACKGROUND: Mechanisms for the development of food allergy in neonates are unknown but are clearly linked in patient populations to a genetic predisposition towards skin barrier defects. Whether skin barrier defects functionally contribute to development of food allergy is unknown. OBJECTIVE: The purpose of the study was to determine whether skin barrier mutations, that are primarily heterozygous in patient populations, contribute to the development of food allergy...
February 15, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29454004/identification-and-analysis-of-peanut-specific-t-effector-and-t-regulatory-cells-in-children-allergic-and-tolerant-to-peanut
#5
Katherine A Weissler, Marjohn Rasooly, Tom DiMaggio, Hyejeong Bolan, Daly Cantave, David Martino, Melanie R Neeland, Mimi Lk Tang, Thanh D Dang, Katrina J Allen, Pamela A Frischmeyer-Guerrerio
BACKGROUND: Peanut allergy is potentially life-threatening and generally persists lifelong. Recent data suggests the skin may be an important route of initial sensitization to peanut, while early oral exposure to peanut is protective. In mice, T regulatory cells (Tregs) are central to development of tolerance to food, but their contribution to the pathogenesis of food allergy in humans is less clear. OBJECTIVE: We sought to quantify and phenotype peanut-specific CD4+ T effector (ps-Teff) and ps-Tregs in children with and without peanut allergy or sensitization...
February 14, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29448897/immunomodulation-by-food-impact-on-gut-immunity-and-immune-cell-function
#6
Satoshi Hachimura, Mamoru Totsuka, Akira Hosono
Recent studies have revealed that various food components affect the immune response. These components act on various immune cells, and their effects are mediated through the intestinal immune system and, in some cases, the intestinal microbiota. In this review, we describe the immunomodulating effects of various food components, including probiotics, prebiotics, polysaccharides, vitamins, minerals, fatty acids, peptides, amino acids and polyphenols. Some of these components enhance immune responses, leading to host defense against infection, whereas others inhibit immune responses, thus suppressing allergy and inflammation...
February 16, 2018: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/29446153/eating-fish-and-farm-life-reduce-allergic-rhinitis-at-the-age-of-twelve
#7
Styliana Vasileiadou, Göran Wennergren, Frida Strömberg Celind, Nils Åberg, Rolf Pettersson, Bernt Alm, Emma Goksör
BACKGROUND: The prevalence of allergic rhinitis has increased, but the cause of this rise is partly unknown. Our aim was to analyse the prevalence, risk factors and protective factors for allergic rhinitis in 12-year-old Swedish children. METHODS: Data were collected from a prospective, longitudinal cohort study of children born in western Sweden in 2003. The parents answered questionnaires when the children were six months to 12 years. The response rate at 12 years was 76% (3,637/4,777) of the questionnaires distributed...
February 15, 2018: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/29439856/the-optimal-age-for-epicutaneous-sensitization-following-tape-stripping-in-balb-c-mice
#8
Masato Tamari, Keisuke Orimo, Kenichiro Motomura, Ken Arae, Akio Matsuda, Susumu Nakae, Hirohisa Saito, Hideaki Morita, Kenji Matsumoto
BACKGROUND: Direct contact of food proteins with eczematous lesions is thought to be the main cause of epicutaneous sensitization. To further investigate the development and pathogenesis of food allergy in vivo, a good mouse model of epicutaneous sensitization is needed. However, a fundamental problem in that regard is that the optimal age for epicutaneous sensitization of mice is unknown. In this study, we attempted to elucidate that optimal age. METHODS: Dorsal skin of wild-type BALB/c female mice (1, 3, 8 and 24 weeks old) was shaved, depilated and tape-stripped...
February 10, 2018: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/29438186/peanut-allergy-reduction-in-high-risk-pediatric-patients
#9
Jaime Hopper, Courtney Hopp, Jessica Durbin
The prevalence of food allergies has doubled in the past 10 years. Peanut allergies are a significant public health issue and are the primary reason for food-related anaphylactic reactions that result in death. Evidence supports that early introduction of the peanut protein (or in combination with immunotherapy) to the highly allergic may safely desensitize patients, which could lead to less adverse allergic reactions and alter allergy management overall.
March 12, 2018: Nurse Practitioner
https://www.readbyqxmd.com/read/29434644/self-reported-questionnaire-survey-on-the-prevalence-and-symptoms-of-adverse-food-reactions-in-patients-with-chronic-inhalant-diseases-in-tangshan-city-china
#10
Guodong Hao, Xuxin Lai, Zhijing Song, Zhixing Wang, Xing-Ai Kong, Haifeng Zhong, Sui Fu Hui, Yiwu Zheng
Background: The prevalence of adverse food reactions in patients with chronic inhalant diseases has seldom been studied in China. This study is to investigate the prevalence of adverse food reactions and the symptoms caused in respiratory patients. Methods: Respiratory patients in allergy clinics were asked to complete a questionnaire. Patients' information such as age, gender, family history of allergy, and adverse reactions to a list of 48 foods and the symptoms caused, was recorded...
2018: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/29434319/maternal-vegetable-intake-in-early-pregnancy-and-wheeze-in-offspring-at-the-age-of-2-years
#11
Kohei Ogawa, Naho Morisaki, Minatsu Kobayashi, Seung Chik Jwa, Yukako Tani, Haruhiko Sago, Reiko Horikawa, Takeo Fujiwara
BACKGROUND/OBJECTIVES: Vegetable intake during childhood may reduce the risk of subsequent asthma. We verified the effect of maternal intake during pregnancy on asthma risk in offspring, which has rarely been studied. SUBJECTS/METHODS: In a hospital-based birth cohort study conducted in Tokyo, we administered a food frequency questionnaire at two periods during the respondents' pregnancy: early and mid to late periods. In addition, a questionnaire including the International Study of Asthma and Allergies in Childhood questionnaire was conducted when the offspring were 2 years old...
February 12, 2018: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29433792/clinical-characteristics-of-influenza-virus-induced-lower-respiratory-infection-during-the-2015-to-2016-season
#12
Kazuhiro Uda, Kensuke Shoji, Chitose Koyama-Wakai, Munehiro Furuichi, Noriyasu Iwase, Seiichiro Fujisaki, Shinji Watanabe, Isao Miyairi
BACKGROUND: Influenza A(H1N1)pdm09 virus infections often manifest severe respiratory symptoms, particularly in patients with a past history of allergic disease. Most of these findings were reported during the 2009 pandemic. The purpose of this study was to detail the clinical characteristics of influenza virus-induced lower respiratory infection (LRI) during the A(H1N1)pdm09-predominant 2015-2016 season. METHODS: We retrospectively reviewed the clinical characteristics of influenza-induced LRI cases in children admitted to a tertiary children's hospital...
February 9, 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29431974/childhood-bullying-implications-for-physicians
#13
Mary M Stephens, Hazel T Cook-Fasano, Katherine Sibbaluca
Childhood bullying is common and can lead to serious adverse physical and mental health effects for both the victim and the bully. In teenagers, risk factors for becoming a victim of bullying include being lesbian, gay, bisexual, or transgender; having a disability or medical condition such as asthma, diabetes mellitus, a skin condition, or food allergy; or being an outlier in weight and stature. An estimated 20% of youth have been bullied on school property, and 16% have been bullied electronically in the past year...
February 1, 2018: American Family Physician
https://www.readbyqxmd.com/read/29428389/allergenicity-reduction-of-bovine-milk-%C3%AE-lactoglobulin-by-proteolytic-activity-of-lactococcus-lactis-bmc12c-and-bmc19h-isolated-from-iranian-dairy-products
#14
Rezvan Kazemi, Asghar Taheri-Kafrani, Ahmad Motahari, Reihane Kordesedehi
Nowadays health benefits of bioactive food constituents, known as probiotic microorganisms, are a growing awareness. Cow's milk is a nutritious food containing probiotic bacteria. However, milk allergenicity is one of the most common food allergies. The milk protein, β-lactoglobulin (BLG), is in about 80% of all main cases of milk allergies for children and infants. With the aim of screening proteolytic strains of lactic acid bacteria to evaluate their potential for the reduction of allergenicity of the major bovine milk proteins, we isolated new proteolytic strains of cocci lactic acid bacteria from traditional Iranian dairy products...
February 8, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29423371/identification-of-a-thermal-stable-allergen-in-yam-dioscorea-opposita-to-cause-anaphylaxis
#15
Ying-Yang Xu, Jia Yin
Yam (Dioscorea opposita) is commonly consumed in East Asia, but allergic reaction to this plant food is rare. To date, there is no report of anaphylactic reaction after ingestion of cooked yam. We described 3 cases with anaphylaxis after eating boiled yam and 1 present with oral allergy syndrome as well. Basophil activation test in patients showed positive reactivity to boiled yam extract. In immunoblotting, a 30-kDa protein was recognized by all patients' sera and a 17-kDa band was detected by 1 patient. N-terminal amino acid revealed the 30-kDa IgE reacted band was DB3S, dioscorin in Dioscorea tuber...
January 2018: Asia Pacific Allergy
https://www.readbyqxmd.com/read/29416847/development-and-validation-of-a-standardized-double-blind-placebo-controlled-food-challenge-matrix-for-raw-hazelnuts
#16
Marjolein Vandekerckhove, Bart Van Droogenbroeck, Marc De Loose, Katleen Coudijzer, Marc Coppens, Philippe Gevaert, Hilde Lapeere
Background: Double-blind, placebo-controlled food challenge (DBPCFC) is considered the gold standard for food allergy diagnosis. However, this test is rarely performed routinely in clinical practice because of various practical issues, e.g. the lack of a standardized matrix preparation. The aim of this study was to develop and validate a convenient DBPCFC matrix, that can easily be implemented in daily clinical practice. The focus of this study was the blinding of hazelnuts, whereby the hazelnuts retained as much as possible their allergenicity and could be mixed homogenously in low-doses to the matrices...
2018: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/29413339/current-insights-in-allergen-immunotherapy
#17
REVIEW
Giovanni Passalacqua, Diego Bagnasco, Matteo Ferrando, Enrico Heffler, Francesca Puggioni, Giorgio Walter Canonica
OBJECTIVE: Allergen-specific immunotherapy (AIT) in its subcutaneous and sublingual forms is currently a well-established and experimentally supported treatment for respiratory allergy and hymenoptera venom allergy. There have been advances in its use linked strictly to the advancement in the knowledge of the molecular mechanisms of allergy, the production of well-characterized extracts, and diagnostic techniques. The use of AIT in asthma and the application of new approaches are expanding...
February 2018: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29413338/the-skin-as-a-target-for-prevention-of-the-atopic-march
#18
REVIEW
Adrian J Lowe, Donald Y M Leung, Mimi L K Tang, John C Su, Katrina J Allen
OBJECTIVE: Allergic diseases have increased dramatically in the developed world during the past few decades, yet the understanding of risk factors and effective prevention approaches remain limited. In this review, we summarize the evidence supporting the hypothesis that skin-barrier impairment and early-life atopic dermatitis (AD) could play a causal role in the development of sensitization and subsequent food allergies and allergic airways disease (allergic asthma and rhinitis). We further discuss the potential to target the skin barrier as a means to lower the incidence of allergic disease...
February 2018: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29411703/social-media-as-a-tool-for-the-management-of-food-allergy-in-children
#19
A Alvarez-Perea, P Cabrera-Freitag, V Fuentes-Aparicio, S Infante, L Zapatero, J M Zubeldia
BACKGROUND: Food allergy heavily impairs quality of life. Avoiding the offending food requires extensive patient education. Social media have been proven a useful source of information for other chronic conditions. Our aim was to describe how pediatric patients with food allergy and their families are using social media. METHODS: We performed a cross-sectional study in the Pediatric Allergy Unit of a third-level hospital. Patients with food allergy were surveyed about their disease and the use of social media...
February 7, 2018: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/29410214/the-environment-and-food-allergy
#20
Jay Adam Lieberman, Matthew Greenhawt, Anna Nowak-Wegrzyn
No abstract text is available yet for this article.
February 1, 2018: Annals of Allergy, Asthma & Immunology
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