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Food Allergies

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https://www.readbyqxmd.com/read/28538875/particular-characteristics-of-atopic-eczema-in-tropical-environments-the-tropical-environment-control-for-chronic-eczema-and-molecular-assessment-teccema-cohort-study
#1
Jorge Sánchez, Andrés Sánchez, Ricardo Cardona
Background: Atopic dermatitis is a prevalent health problem in the world. Allergic sensitization is an important risk factor, but the roles of other factors, inherent in tropic region, are unknown. Objective: A cohort study was designed in a tropical city to investigate molecular and environmental risk factors for eczema, considering as particular features perennial exposure to mites, poor living conditions and others tropical characteristics. Methods: 433 patients were included at baseline and biological samples were collected during 24 months of follow-up...
March 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28538696/immune-components-in-human-milk-are-associated-with-early-infant-immunological-health-outcomes-a-prospective-three-country-analysis
#2
Daniel Munblit, Marina Treneva, Diego G Peroni, Silvia Colicino, Li Yan Chow, Shobana Dissanayeke, Alexander Pampura, Attilio L Boner, Donna T Geddes, Robert J Boyle, John O Warner
The role of breastfeeding in improving allergy outcomes in early childhood is still unclear. Evidence suggests that immune mediators in human milk (HM) play a critical role in infant immune maturation as well as protection against atopy/allergy development. We investigated relationships between levels of immune mediators in colostrum and mature milk and infant outcomes in the first year of life. In a large prospective study of 398 pregnant/lactating women in the United Kingdom, Russia and Italy, colostrum and mature human milk (HM) samples were analysed for immune active molecules...
May 24, 2017: Nutrients
https://www.readbyqxmd.com/read/28538006/evaluation-and-management-of-patch-test-negative-patients-with-generalized-dermatitis
#3
Alison Spiker, Christen M Mowad
BACKGROUND: Patients with generalized dermatitis are common in dermatology practices. Allergic contact dermatitis is often suspected, and patients frequently undergo patch testing. When patch testing result is negative, further evaluation and management of these patients are challenging. OBJECTIVE: The purpose of this study was to survey members of the American Contact Dermatitis Society regarding the evaluation and management of patch test-negative patients with generalized dermatitis...
May 23, 2017: Dermatitis
https://www.readbyqxmd.com/read/28531273/phenotypes-of-atopic-dermatitis-depending-on-the-timing-of-onset-and-progression-in-childhood
#4
Caroline Roduit, Remo Frei, Martin Depner, Anne M Karvonen, Harald Renz, Charlotte Braun-Fahrländer, Elisabeth Schmausser-Hechfellner, Juha Pekkanen, Josef Riedler, Jean-Charles Dalphin, Erika von Mutius, Roger Pascal Lauener, Anne Hyvärinen, Pirkka Kirjavainen, Sami Remes, Marjut Roponen, Marie-Laure Dalphin, Vincent Kaulek, Markus Ege, Jon Genuneit, Sabina Illi, Micahel Kabesch, Bianca Schaub, Petra Ina Pfefferle, Gert Doekes
Importance: Atopic dermatitis is an inflammatory, pruritic skin disease that often occurs in early infancy with a chronic course. However, a specific description of subtypes of atopic dermatitis depending on the timing of onset and progression of the disease in childhood is lacking. Objective: To identify different phenotypes of atopic dermatitis using a definition based on symptoms before age 6 years and to determine whether some subtypes are more at risk for developing other allergic diseases...
May 22, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28527904/incidence-and-risk-factors-of-food-allergy-after-umbilical-cord-blood-transplantation-in-children
#5
Alfonso Hernández-Ojeda, Nicolás Rojas, Francisco Barriga, María Angélica Wietstruck, Pamela S Morales, Arturo Borzutzky
No abstract text is available yet for this article.
May 17, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28523203/mycobacterium-avium-subsp-paratuberculosis-induces-specific-ige-production-in-japanese-people-with-allergies
#6
D Cossu, S Otsubo, Y Otsubo, S Eda, T Suzuki, Y Iwao, T Kuribayashi, S Yamamoto, L A Sechi, E Momotani
Background. The prevalence of allergies is steadily increasing worldwide; however, the pathogenesis is still unclear. We hypothesized that Mycobacterium avium subsp. paratuberculosis (MAP) may contribute to allergy development. This organism can be present in dairy foods, it can elicit an immunomodulatory switch from a Th1 to a Th2 response, and it has been speculated that it is linked to several human autoimmune diseases. To determine the contribution, sera from 99 individuals with various atopic disorders and 45 healthy nonallergic controls were assessed for total IgE levels and successively for MAP-specific IgE by ELISA...
2017: International Journal of Inflammation
https://www.readbyqxmd.com/read/28521324/the-role-of-hydrolyzed-formula-in-allergy-prevention
#7
Michael D Cabana
Asthma, eczema, food allergy, and allergic rhinitis are some of the most common pediatric, chronic conditions in the world. Breastfeeding is the optimal way to feed all infants. For those infants who are exposed to infant formula, some studies suggest that certain partially hydrolyzed or extensively hydrolyzed formulas may decrease the risk of allergic disease compared to nonhydrolyzed formulas for children with a family history of atopic disease. Overall, there is some evidence to suggest that partially hydrolyzed whey formulas and extensively hydrolyzed casein formulas may decrease the risk of developing eczema for infants at high risk of allergic disease...
2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28521317/mechanisms-of-tolerance-induction
#8
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/28521316/introduction-of-complementary-foods-to-infants
#9
Christina West
While earlier food allergy prevention strategies implemented avoidance of allergenic foods in infancy, the current paradigm is shifting from avoidance to controlled exposure. This review focuses on the outcome of recent randomized controlled trials, which have examined the early introduction of allergenic foods for allergy prevention, and discusses the implementation of results in clinical practice. In infants at high risk of allergic disease, there is now direct evidence that regular early peanut consumption will reduce the prevalence of peanut allergy, compared to avoidance...
2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28516451/evidence-that-eating-baked-egg-or-milk-influences-egg-or-milk-allergy-resolution-a-systematic-review
#10
REVIEW
R Lambert, K E C Grimshaw, B Ellis, J Jaitly, G Roberts
BACKGROUND: It has been proposed that the frequent ingestion of baked hen's egg or cow's milk accelerates the resolution of hen's egg or cow's milk allergy. This practice is being introduced into clinical practice. OBJECTIVE: To systematically review the evidence to determine whether the introduction of baked hen's egg or cow's milk into the diet of children with hen's egg or cow's milk allergies respectively leads to a larger proportion of children outgrowing these allergies than expected...
May 17, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28516366/patient-centered-outcomes-in-food-allergy
#11
REVIEW
Brooke I Polk, Chitra Dinakar
PURPOSE OF REVIEW: Food allergy prevalence is increasing very rapidly, causing a significant disease burden. The threat of severe allergic reactions occurring unexpectedly and in settings that are not equipped to recognize and treat anaphylaxis is a constant source of worry for individuals and families with food allergies. Inadequate knowledge and understanding in the community significantly impairs the overall quality of life of these individuals and families. Additionally, families face challenges in finding and affording appropriate allergen-free foods...
June 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28515404/insolubility-and-alteration-of-allergenic-activity-of-wheat-proteins-in-processed-foods
#12
Kajiyo Tanaka, Yuuki Kanie, Michita Naitou, Misa Suzuki, Harue Umemura, Kazunori Tagami, Kazunori Sakai, Tomoko Furuta, Chikako Yamada, Hidehiko Izumi, Tomoharu Yokooji, Hiroaki Matsuo, Komei Ito
BACKGROUND: Food processing causes decomposition, denaturation or polymerization of protein, which may alter an allergic reaction. This study aimed to investigate the insolubility and alteration of wheat allergens in processed foods and the reactivity to patient sera. METHODS: We extracted proteins from wheat flour, udon and bread using different extracts and conducted SDS-polyacrylamide gel electrophoresis. IgE-immunoblotting was also conducted using sera from children with wheat allergy...
2017: Arerugī, [Allergy]
https://www.readbyqxmd.com/read/28515403/analysis-of-wheat-allergen-dispersed-in-air-by-the-action-of-three-types-of-flour-sifter
#13
Hiroyuki Hashimoto, Masato Yoshimitsu, Kyohei Kiyota
BACKGROUND: Since wheat flour, a cause of food allergy, tends to disperse rapidly in air, it can unintentionally mix other foods during the sieving process. Our aim was to analyze the dispersal of wheat flour dust in air in order to prevent unintentional mixing. METHODS: We measured particle size distribution of wheat flour, photographed the scattered flour for 60 seconds every 10 seconds after sieving through three types of flour sifter, constructed a velocity vector diagram of flour dust dispersal by each type of sifter, and measured the distance of wheat allergen dispersal over 20 minutes using a petri dish and immunochromatographic test...
2017: Arerugī, [Allergy]
https://www.readbyqxmd.com/read/28514997/the-prevalence-of-food-allergy-and-other-allergic-diseases-in-early-childhood-in-a-population-based-study-healthnuts-age-4-year-follow-up
#14
Rachel L Peters, Jennifer J Koplin, Lyle C Gurrin, Shyamali C Dharmage, Melissa Wake, Anne-Louise Ponsonby, Mimi L K Tang, Adrian J Lowe, Melanie Matheson, Terence Dwyer, Katrina J Allen
BACKGROUND: The HealthNuts study previously reported interim prevalence data showing the highest prevalence of challenge-confirmed food allergy in infants internationally. However, population-derived prevalence data on challenge-confirmed food allergy and other allergic diseases in preschool-aged children remain sparse. OBJECTIVE: This study aimed to report the updated prevalence of food allergy at age 1 year from the whole cohort, and to report the prevalence of food allergy, asthma, eczema, and allergic rhinitis at age 4 years...
April 25, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28514046/systematic-review-early-infant-feeding-practices-and-the-risk-of-wheat-allergy
#15
Anna Chmielewska, Małgorzata Pieścik-Lech, Raanan Shamir, Hania Szajewska
AIM: Wheat is a common allergen. Early feeding practices (breastfeeding, potentially allergenic foods) might affect the risk of allergy. To systematically evaluate the association between early feeding practices and the risk of wheat allergy and sensitisation. METHODS: Five databases were searched for studies of any design up to July 2015. RESULTS: We included seven studies (five observational, low to moderate quality, two randomised controlled trials (RCTs), high quality)...
May 17, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28512288/lactic-acid-bacteria-specific-induction-of-cd4-foxp3-t-cells-ameliorates-shrimp-tropomyosin-induced-allergic-response-in-mice-via-suppression-of-mtor-signaling
#16
Linglin Fu, Jixiang Peng, Shushu Zhao, Yan Zhang, Xiurong Su, Yanbo Wang
The beneficial effects of probiotics have been described in allergic sensitization and diseases; however, many questions remain unanswered, such as characteristics of the most effective strains in modulation of allergic responses and how orally administered probiotics affect the systemic immune system. In the present work, oral administration of five lactic acid bacteria strains showed variable effects on protection against the allergic reaction in a mouse model of food allergy to shrimp tropomyosin (ST). The most effective anti-allergic strain, Bacillus coagulans 09...
May 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28509782/an-update-on-the-impact-of-food-allergy-on-anxiety-and-quality-of-life
#17
Marcus S Shaker, Jonathan Schwartz, Morgan Ferguson
PURPOSE OF REVIEW: Food allergies have become more common, and management involves dietary avoidance that can impair quality of life. Patients and families must manage the daily risk of anaphylaxis at each meal. The purpose of this review is to describe the impact of food allergies on quality of life and to provide an update on new developments in food allergy management, particularly peanut allergy. RECENT FINDINGS: Food allergy requires careful avoidance of common and ubiquitous dietary allergens...
May 13, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28507730/application-of-the-adverse-outcome-pathway-aop-concept-to-structure-the-available-in-vivo-and-in-vitro-mechanistic-data-for-allergic-sensitization-to-food-proteins
#18
REVIEW
Jolanda H M van Bilsen, Edyta Sienkiewicz-Szłapka, Daniel Lozano-Ojalvo, Linette E M Willemsen, Celia M Antunes, Elena Molina, Joost J Smit, Barbara Wróblewska, Harry J Wichers, Edward F Knol, Gregory S Ladics, Raymond H H Pieters, Sandra Denery-Papini, Yvonne M Vissers, Simona L Bavaro, Colette Larré, Kitty C M Verhoeckx, Erwin L Roggen
BACKGROUND: The introduction of whole new foods in a population may lead to sensitization and food allergy. This constitutes a potential public health problem and a challenge to risk assessors and managers as the existing understanding of the pathophysiological processes and the currently available biological tools for prediction of the risk for food allergy development and the severity of the reaction are not sufficient. There is a substantial body of in vivo and in vitro data describing molecular and cellular events potentially involved in food sensitization...
2017: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/28507485/the-influence-of-dietary-immunomodulatory-factors-on-development-of-food-allergy-in-children
#19
REVIEW
Izabela Sardecka, Aneta Krogulska, Ewa Toporowska-Kowalska
In the last few years many studies have been conducted on the role of dietary and environmental factors in the prevention of allergic diseases among children. Many studies have shown that the diet of pregnant women and children in their early postnatal life, rich in antioxidants, vitamin D, and fatty acids is beneficial as it reduces the risk of allergy in their future life. Moreover, there are many reports about the main role of gut microbiota and probiotics in the allergy prevention, what can indicate new ways of procedures in allergic diseases...
April 2017: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/28506355/-effects-of-adipose-derived-stem-cells-and-non-methylated-cpg-oligodeoxynucleotides-on-peripheral-blood-cd4-cd25-regulatory-t-cells-in-young-mice-with-food-allergy
#20
Xu-Lin Chen, Cheng-Zhong Zheng
OBJECTIVE: To investigate the effects of adipose-derived stem cells (ADSC) and non-methylated CpG-oligodeoxynucleotides (CpG-ODN) on the expression of peripheral blood CD4(+)CD25(+) regulatory T (Treg) cells in young mice with food allergy, as well as their immune intervention effects. METHODS: A total of 40 female BALB/c mice were randomly divided into control group, allergic group, ADSC treatment group, and CpG-ODN treatment group, with 10 mice in each group. A mouse model of food allergy was established by intraperitoneal injection and intragastric administration of ovalbumin (OVA) for sensitization and challenge...
May 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
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