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https://www.readbyqxmd.com/read/28102702/immunomodulating-peptides-for-food-allergy-prevention-and-treatment
#1
Daniel Lozano-Ojalvo, Rosina López-Fandiño
Among the most promising strategies currently assayed against IgE-mediated allergic diseases stands the possibility of using immunomodulating peptides to induce oral tolerance towards offending food allergens or even to prevent allergic sensitization. This review focuses on the beneficial effects of food derived immunomodulating peptides on food allergy, which can be directly exerted in the intestinal tract or once being absorbed through the intestinal epithelial barrier to interact with immune cells. Food peptides influence intestinal homeostasis by maintaining and reinforcing barrier function or affecting intestinal cell-signalling to nearby immune cells and mucus secretion...
January 19, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28102055/role-of-regulatory-cells-in-oral-tolerance
#2
REVIEW
Marcin Wawrzyniak, Liam O'Mahony, Mübeccel Akdis
The immune system is continuously exposed to great amounts of different antigens from both food and intestinal microbes. Immune tolerance to these antigens is very important for intestinal and systemic immune homeostasis. Oral tolerance is a specific type of peripheral tolerance induced by exposure to antigen via the oral route. Investigations on the role of intestinal immune system in preventing hypersensitivity reactions to innocuous dietary and microbial antigens have been intensively performed during the last 2 decades...
March 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28101293/establishing-the-prevalence-of-low-vitamin-d-in-non-immunoglobulin-e-mediated-gastrointestinal-food-allergic-children-in-a-tertiary-centre
#3
Ru-Xin Foong, Rosan Meyer, Robert Dziubak, Adriana Chebar Lozinsky, Heather Godwin, Kate Reeve, Syeda Tahmida Hussain, Romman Nourzaie, Neil Shah
BACKGROUND: There is no data on the prevalence of vitamin D deficiency in children with non-immunoglobulin-E (IgE) mediated gastrointestinal food allergy. The aims of our study were to understand the prevalence of vitamin D insufficiency and deficiency in children with non-IgE mediated gastrointestinal food allergy and identify predisposing factors. METHODS: This was a retrospective study which looked at data from Great Ormond Street Hospital from January 2002 to September 2015...
2017: World Allergy Organization Journal
https://www.readbyqxmd.com/read/28100257/food-specific-sublingual-immunotherapy-is-well-tolerated-and-safe-in-healthy-dogs-a-blind-randomized-placebo-controlled-study
#4
E Maina, M Pelst, M Hesta, E Cox
BACKGROUND: Food allergies are increasing in prevalence but no treatment strategies are currently available to cure dogs with food allergy. Over the past decade, experimental food allergen-specific sublingual immunotherapy (FA-SLIT) has emerged as a potential treatment for food allergies in human medicine. However, FA-SLIT has not been investigated in dogs. Therefore, the objective of this study was to prospectively evaluate the safety, tolerability and dispenser sterility of FA-SLIT in healthy dogs before testing it in food allergic dogs...
January 18, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28099424/the-establishment-of-cow-s-milk-protein-allergy-in-infants-is-related-with-a-deficit-of-regulatory-t-cells-treg-and-vitamin-d
#5
Laura Perezabad García, Jacobo López-Abente Muñoz, Elena Alonso-Lebrero, Elena Seoane Reula, Marjorie Pion, Rafael Correa-Rocha
BACKGROUND: Cow's milk protein allergy (CMPA) is the most common food allergy in infants. However, little is known about which specific immune mechanisms are related with the CMPA onset. The objective was to investigate which immune alterations constitute differential factors between allergy and tolerance, and hence could be implicated in the CMPA establishment in infants. METHODS: An extensive analysis of immune subsets, including Treg and cytokine-secreting cells was performed in blood samples from 28 infants younger than 9 months obtained 1-4 days after the first adverse reaction to milk...
January 18, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28099128/bone-health-assessment-of-food-allergic-children-on-restrictive-diets-a-practical-guide
#6
Artemis E Doulgeraki, Emmanouel M Manousakis, Nikolaos G Papadopoulos
BACKGROUND: Food allergy in childhood is on the rise globally and is managed with avoidance diets; recent case reports of food allergic children with nutritional rickets in the literature highlight the importance of close monitoring of bone health in this population. METHODS: There is no consensus as yet with regard to bone health evaluation in food allergic children; therefore, extensive literature search was performed and the existing evidence is presented, along with a relevant algorithm...
January 18, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28090706/western-blot-analysis-of-sera-from-dogs-with-suspected-food-allergy
#7
Claude Favrot, Monika Linek, Jacques Fontaine, Luc Beco, Ana Rostaher, Nina Fischer, Nicolas Couturier, Sandrine Jacquenet, Bernard E Bihain
BACKGROUND: Food allergy is often suspected in dogs with clinical signs of atopic dermatitis. This diagnosis is confirmed with an elimination diet and a subsequent challenge with regular food. Laboratory tests for the diagnosis of food allergy in dogs are unreliable and/or technically difficult. Cyno-DIAL(®) is a Western blot method that might assist with the selection of an appropriate elimination diet. HYPOTHESIS/OBJECTIVES: To evaluate the performance of Cyno-DIAL(®) for the selection of an elimination diet and diagnosis of food allergy...
January 16, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28087382/efficacy-and-safety-of-high-dose-rush-oral-immunotherapy-in-persistent-egg-allergic-children-a-randomized-clinical-trial
#8
Inmaculada Pérez-Rangel, Pablo Rodríguez Del Río, Carmelo Escudero, Silvia Sánchez-García, José Javier Sánchez-Hernández, María Dolores Ibáñez
BACKGROUND: Egg oral immunotherapy is effective but time consuming. OBJECTIVE: To assess the efficacy and safety of egg rush oral immunotherapy (ROIT) with a targeted dose equivalent to a raw egg white. METHODS: Thirty-three persistent egg allergic children confirmed by double-blind, placebo-controlled food challenge (DBPCFC) were randomized to receive egg ROIT immediately after randomization (ROIT1 group), or to continue an egg avoidance diet for 5 months after randomization (control group [CG])...
January 10, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28069753/the-influence-of-the-microbiome-on-allergic-sensitization-to-food
#9
REVIEW
Catherine H Plunkett, Cathryn R Nagler
The alarming increase in the incidence and severity of food allergies has coincided with lifestyle changes in Western societies, such as dietary modifications and increased antibiotic use. These demographic shifts have profoundly altered the coevolved relationship between host and microbiota, depleting bacterial populations critical for the maintenance of mucosal homeostasis. There is increasing evidence that the dysbiosis associated with sensitization to food fails to stimulate protective tolerogenic pathways, leading to the development of the type 2 immune responses that characterize allergic disease...
January 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28060219/multicenter-study-of-adverse-events-after-intravenous-tissue-type-plasminogen-activator-treatment-of-acute-ischemic-stroke
#10
Hannah Fernandez-Gotico, Tiffany Lightfoot, Melissa Meighan
BACKGROUND AND PURPOSE: The approved treatment by the Food and Drug Administration for acute ischemic stroke is intravenous tissue-type plasminogen activator (IV tPA). After IV tPA administration, patients are monitored for adverse events using an American Heart Association/American Stroke Association guideline instituted in 1996. There is limited evidence describing the safest and most efficient method to monitor patients during the first 24 hours after tPA administration. Although the overall rates of adverse events have been reported, the time when patients may be at most risk for an event has not been studied...
February 2017: Journal of Neuroscience Nursing: Journal of the American Association of Neuroscience Nurses
https://www.readbyqxmd.com/read/28052802/characteristics-of-children-with-food-protein-induced-enterocolitis-and-allergic-proctocolitis
#11
Ebru Arik Yilmaz, Ozge Soyer, Ozlem Cavkaytar, Betul Karaatmaca, Betul Buyuktiryaki, Umit M Sahiner, Bulent E Sekerel, Cansin Sackesen
BACKGROUND: The aim of this study was to determine and compare the clinical and laboratory features of food protein-induced enterocolitis syndrome (FPIES) and food protein-induced allergic proctocolitis (FPIAP), and to provide information about the short-term prognoses. METHOD: Children diagnosed with FPIES or FPIAP between 2010 and 2015 were enrolled in this study. RESULTS: Overall, 64 infants (37 FPIAP, 27 FPIES) were evaluated, with the average age at the onset of symptoms being significantly lower in the patients with FPIAP than in the patients with FPIES (2 months [1-3 months] versus 4 months [1...
January 1, 2017: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/28052339/overview-of-systematic-reviews-in-allergy-epidemiology
#12
REVIEW
Jon Genuneit, Annina M Seibold, Christian J Apfelbacher, George N Konstantinou, Jennifer J Koplin, Stefania La Grutta, Kirsty Logan, Michael R Perkin, Carsten Flohr
BACKGROUND: There is a substantial body of evidence on the epidemiology of allergic conditions, which has advanced the understanding of these conditions. We aimed to systematically identify systematic reviews and meta-analyses on the epidemiology of allergic diseases to assess what has been studied comprehensively and what areas might benefit from further research. METHODS: We searched PubMed and EMBASE up to 12/2014 for systematic reviews on epidemiological research on allergic diseases...
January 4, 2017: Allergy
https://www.readbyqxmd.com/read/28052076/diet-matters-endotoxin-in-the-diet-impacts-the-level-of-allergic-sensitization-in-germ-free-mice
#13
Martin Schwarzer, Dagmar Srutkova, Petra Hermanova, Francois Leulier, Hana Kozakova, Irma Schabussova
Germ-free animals have been used to define the vital role of commensal bacteria on the maturation of the host immune system. However, the role of bacterial residues in diet in this setting is poorly understood. Here we investigated the effect of bacterial contamination in sterile diet on the level of allergic sensitization in germ-free mice. Sterile grain-based diets ST1 and R03 were tested for the level of bacterial contamination. ST1 contained higher amount of bacterial DNA, approximately ten times more endotoxin, and induced higher, TLR4-dependent, cytokine production in dendritic cells compared to R03...
2017: PloS One
https://www.readbyqxmd.com/read/28049193/safety-and-efficacy-of-low-dose-oral-immunotherapy-for-hen-s-egg-allergy-in-children
#14
Noriyuki Yanagida, Sakura Sato, Tomoyuki Asaumi, Kenichi Nagakura, Kiyotake Ogura, Motohiro Ebisawa
BACKGROUND: The minimal dose for oral immunotherapy (OIT) tolerance is unknown. We investigated the efficacy and safety of low-dose OIT with 1/32 of the volume of a whole egg. METHODS: Thirty-three children (aged ≥5 years) with egg allergies confirmed by oral food challenge against 1/32 of a heated whole egg (194 mg of egg protein) were enrolled. The OIT group ingested a scrambled egg once a day. The volume was gradually increased up to a maximum of 1/32 of a heated whole egg...
2016: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28049187/enhanced-prophylactic-and-therapeutic-effects-of-polylysine-modified-ara-h-2-dna-vaccine-in-a-mouse-model-of-peanut-allergy
#15
Zhenlai Zhu, Jinlei Yu, Yuan Niu, Shuhong Sun, Yufeng Liu, Andrew Saxon, Ke Zhang, Wei Li
BACKGROUND: The prevalence of food allergy has been increasing, but treatment is very limited. DNA vaccination has been recognized as a promising method for the treatment of allergic diseases; however, poor immunogenicity has hindered its application. METHODS: BALB/c mice were intradermally injected with plasmid DNA encoding the peanut protein Ara h 2 (pAra h 2) or pAra h 2 pretreated with poly-L- lysine (PLL) before or after sensitization with Ara h 2 protein. Ara h 2-specific antibodies were measured by ELISA...
2016: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28043872/extensively-hydrolysed-casein-formula-containing-l-rhamnosus-gg-reduces-the-occurrence-of-other-allergic-manifestations-in-children-with-cow-s-milk-allergy-3-year-randomized-controlled-trial
#16
Roberto Berni Canani, Margherita Di Costanzo, Giorgio Bedogni, Antonio Amoroso, Linda Cosenza, Carmen Di Scala, Viviana Granata, Rita Nocerino
BACKGROUND: Children with cow's milk allergy (CMA) have an increased risk of developing other allergic manifestations (AMs). OBJECTIVE: We performed a parallel-arm randomized controlled trial (RCT) to test whether the administration of an extensively hydrolysed casein formula (EHCF) containing the probiotic L. rhamnosus GG (LGG) can reduce the occurrence of other AMs in CMA children. METHODS: Children with IgE-mediated CMA were randomly allocated to EHCF or EHCF+LGG groups and followed for 36 months...
December 30, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28042676/vitamin-d-insufficiency-in-the-first-6-months-of-infancy-and-challenge-proven-ige-mediated-food-allergy-at-1-year-of-age-a-case-cohort-study
#17
John Molloy, Jennifer J Koplin, Katrina J Allen, Mimi L K Tang, Fiona Collier, John B Carlin, Richard Saffery, David Burgner, Sarath Ranganathan, Terence Dwyer, Alister C Ward, Margarita Moreno-Betancur, Michael Clarke, Anne Louise Ponsonby, Peter Vuillermin
BACKGROUND: Ecological evidence suggests vitamin D insufficiency (VDI) due to lower ambient ultraviolet radiation (UVR) exposure may be a risk factor for IgE-mediated food allergy. However there are no studies relating directly measured VDI during early infancy to subsequent challenge-proven food allergy. OBJECTIVE: To prospectively investigate the association between VDI during infancy and challenge-proven food allergy at 1 year. METHODS: In a birth cohort (n=1074), we used a case-cohort design to compare 25-hydroxy-vitamin-D3 (25(OH)D3 ) levels among infants with food allergy versus a random subcohort (n=274)...
January 2, 2017: Allergy
https://www.readbyqxmd.com/read/28042669/pla-a-2-and-pla-a-3-reactivities-identify-plane-tree-allergic-patients-with-respiratory-symptoms-or-food-allergy
#18
E Scala, L Cecchi, D Abeni, E C Guerra, L Pirrotta, M Locanto, M Giani, R Asero
Nine hundred and thirty-nine rPla a 1, nPla a 2, and rPla a 3 ImmunoCAP ISAC reactors were studied. nPla a 2(pos) MUXF3(pos) but Pla a 1/2(neg) subjects were excluded from the study because they were cross-reactive carbohydrate determinant reactors. Among the 764 remaining participants, 71.9% were Pla a 3(pos) , 54.1% Pla a 2(pos) , and 10.9% Pla a 1(pos) . Among Pla a 3 reactors, 89.6% were Pru p 3(pos) and 86.8% Jug 3(pos) , but the strongest IgE recognition relationship was observed between Pla a 3 and Jug r 3...
January 2, 2017: Allergy
https://www.readbyqxmd.com/read/28042527/pediatric-rhinosinusitis
#19
Dana T Badr, Jonathan M Gaffin, Wanda Phipatanakul
Rhinosinusitis, is defined as an inflammation of the paranasal and nasal sinus mucosae. Chronic rhinosinusitis (CRS)is a common problem in the pediatric age group and the diagnosis and treatment are challenging due to the chronicity and similarity of symptoms with allergic rhinitis and adenoid hypertrophy. Although it is less common than acute rhinosinusitis, CRS is becoming more frequent and significantly affects the quality of life in children and can substantially impair daily function. CRS is characterized by sinus symptoms lasting more than 3 months despite medical therapy...
September 2016: Current Treatment Options in Allergy
https://www.readbyqxmd.com/read/28042003/the-prevalence-of-eosinophilic-esophagitis-in-pediatric-patients-with-ige-mediated-food-allergy
#20
David A Hill, Jesse W Dudley, Jonathan M Spergel
BACKGROUND: Eosinophilic esophagitis (EoE) is an allergic inflammatory disease that is triggered by food allergens and characterized by progressive esophageal dysfunction. Recently, EoE has been identified in patients who underwent oral immunotherapy (OIT) for IgE-mediated food allergy, suggesting an association. OBJECTIVE: We sought to ascertain whether significant associations exist between IgE-mediated food allergies and EoE. METHODS: Using the analysis of electronic medical record data and manual chart review, we examined our subspecialty care network of 35,528 children and adolescents to identify and characterize patients with IgE-mediated and EoE food allergy...
December 30, 2016: Journal of Allergy and Clinical Immunology in Practice
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