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https://www.readbyqxmd.com/read/29161092/the-impact-of-diet-on-immunity-and-respiratory-diseases
#1
Tomasz P Wypych, Benjamin J Marsland, Niki D J Ubags
The Western world has witnessed a tremendous increase in the occurrence of allergy and autoimmunity in the second half of the 20th century. Extensive efforts have been made to explain this phenomenon and various hypotheses have been formulated. Among them, two concepts have attracted the most attention: the "hygiene hypothesis," identifying the reduced exposure to environmental microorganisms as a driving force behind the observed epidemiological trends; and the "diet hypotheses," pointing to the importance of changes in our dietary habits...
November 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29161087/the-hygiene-hypothesis-in-the-age-of-the-microbiome
#2
Markus J Ege
The original version of the hygiene hypothesis suggested that infections transmitted early in life by "unhygienic contact" prevented allergies. Examples were endemic fecal-oral infections by viral, bacterial, or protozoic pathogens, such as hepatitis A virus, Helicobacter pylori, or Toxoplasma gondii. Later, this concept also included microorganisms beyond pathogens, such as commensals and symbionts, and the hygiene hypothesis was extended to inflammatory diseases in general. An impressive illustration of the hygiene hypothesis was found in the consistent farm effect on asthma and allergies, which has partly been attributed to immunomodulatory properties of endotoxin as emitted by livestock...
November 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29161056/de-novo-food-allergy-in-pediatric-liver-transplantation-recipients
#3
Ratchaneewan Sinitkul, Wiparat Manuyakorn, Wasu Kamchaisatian, Soamarat Vilaiyuk, Suwat Benjaponpitak, Chatmanee Lertudompholwanit, Suporn Treepongkaruna
BACKGROUND: Food allergy (FA) prevalence is increasing in pediatric liver transplantation (LT). However, the clinical course is still limited. OBJECTIVE: This retrospective cohort study aimed to identify the prevalence, risk factors, and the natural history of de novo FA in children post LT. METHODS: Medical records of pediatric LT recipients from Jan 2001 - Dec 2014 were reviewed. De novo FA was diagnosed by symptoms after exposure to culprit food occurring after LT, and improvement after diet elimination...
November 22, 2017: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/29161054/great-flood-and-aeroallergen-sensitization-in-children-with-asthma-and-or-allergic-rhinitis
#4
Nualanong Visitsunthorn, Wanwipa Chaimongkol, Kittipos Visitsunthorn, Punchama Pacharn, Orathai Jirapongsananuruk
BACKGROUND: Flooding may affect aeroallergen sensitization. OBJECTIVE: To evaluate aeroallergen sensitization in children with asthma and/or allergic rhinitis (AR) by skin prick test (SPT) before and after the great flood of 2011 in Bangkok, Thailand. METHODS: The study was performed retrospectively in asthma and/or AR children (aged 0-18 years) in Siriraj Hospital, Bangkok, Thailand from 2009 to 2013. All of the cases received SPT with common aeroallergens...
November 22, 2017: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/29161052/recurrent-anaphylaxis-in-patient-allergic-to-eggplant-a-case-study
#5
Natalia Ukleja-Sokołowska, Ewa Gawrońska-Ukleja, Magdalena Żbikowska-Gotz, Łukasz Sokołowski, Zbigniew Bartuzi
Eggplant allergy is rare and most of the previously described reactions were mild. In this case report, we present an interesting case of a 27-year-old male who experienced symptoms of anaphylaxis (shortness of breath, and swelling of the face, lips and tongue, which was followed by hypotension, tachycardia of 140/min and a sudden loss of consciousness) several minutes after eating a dish containing backed eggplant. Previously, the patient had experienced symptoms of allergy after eating different types of food, such as salad and chicken in spices...
November 22, 2017: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/29160841/the-overlapping-area-of-non-celiac-gluten-sensitivity-ncgs-and-wheat-sensitive-irritable-bowel-syndrome-ibs-an-update
#6
REVIEW
Carlo Catassi, Armin Alaedini, Christian Bojarski, Bruno Bonaz, Gerd Bouma, Antonio Carroccio, Gemma Castillejo, Laura De Magistris, Walburga Dieterich, Diana Di Liberto, Luca Elli, Alessio Fasano, Marios Hadjivassiliou, Matthew Kurien, Elena Lionetti, Chris J Mulder, Kamran Rostami, Anna Sapone, Katharina Scherf, Detlef Schuppan, Nick Trott, Umberto Volta, Victor Zevallos, Yurdagül Zopf, David S Sanders
Gluten-related disorders have recently been reclassified with an emerging scientific literature supporting the concept of non-celiac gluten sensitivity (NCGS). New research has specifically addressed prevalence, immune mechanisms, the recognition of non-immunoglobulin E (non-IgE) wheat allergy and overlap of NCGS with irritable bowel syndrome (IBS)-type symptoms. This review article will provide clinicians with an update that directly impacts on the management of a subgroup of their IBS patients whose symptoms are triggered by wheat ingestion...
November 21, 2017: Nutrients
https://www.readbyqxmd.com/read/29160411/spirometry-in-schoolchildren-for-field-studies-does-testing-on-different-days-change-the-result-of-the-exam
#7
Janaina Cristina Scalco, Rafaela Coelho Minsky, Camila Isabel Santos Schivinski
OBJECTIVE: To analyze if there is variation in the results of spirometry performed by healthy schoolchildren on different days. METHODS: Cross-sectional study with healthy schoolchildren aged 7 to 12 years old, in Florianópolis, Santa Catarina, Southern Brazil. Prepubescent children, non-athletes, born at full term, without cardiorespiratory, rheumatic, musculoskeletal, neurological and visual or hearing deficit were included. The child's health was assessed by a health questionnaire and by the survey International Study of Asthma and Allergies in Childhood...
November 13, 2017: Revista Paulista de Pediatria: Orgão Oficial da Sociedade de Pediatria de São Paulo
https://www.readbyqxmd.com/read/29160383/epidemiological-trends-of-allergic-diseases-in-adolescents
#8
Silvia de Souza Campos Fernandes, Cláudia Ribeiro de Andrade, Cristina Gonçalves Alvim, Paulo Augusto Moreira Camargos, Cássio da Cunha Ibiapina
OBJECTIVE: To assess the prevalences of asthma, allergic rhinitis, and allergic rhinoconjunctivitis in adolescents in the city of Belo Horizonte, Brazil, in 2012 by administering the International Study of Asthma and Allergies in Childhood (ISAAC) questionnaire, as well as to compare the observed prevalences with those found in studies performed 10 years earlier and employing the same methodology used here. METHODS: This was a cross-sectional study conducted between May and December of 2012 and involving adolescents in the 13- to 14-year age bracket...
September 2017: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/29159975/rcat-reflects-symptom-control-and-quality-of-life-in-allergic-rhinoconjunctivitis-patients
#9
J-P Liedtke, A Mandl, J Köther, J Chwieralski, K Shah-Hosseini, U Pieper-Fürst, S Allekotte, R Mösges
BACKGROUND: The Global Allergy and Asthma European Network (GA(2) LEN) Taskforce has requested more data on correlations between various Patient Reported Outcomes (PROs) in clinical trials on allergy. We compared three tools-the Rhinitis Control Assessment Test (RCAT), Rhinoconjunctivitis Quality of Life Questionnaire (RQLQ), and Rhinitis Total Symptom Score (RTSS)-to determine whether the RCAT alone is a sufficient primary outcome parameter in clinical trials on allergic rhinoconjunctivitis...
November 21, 2017: Allergy
https://www.readbyqxmd.com/read/29159964/blocking-antibodies-induced-by-allergen-specific-immunotherapy-ameliorate-allergic-airway-disease-in-a-human-mouse-chimeric-model
#10
Caterina Vizzardelli, Miriam Gindl, Simone Roos, Christian Möbs, Birgit Nagl, Felix Zimmann, Veronika Sexl, Lukas Kenner, Alina Neunkirchner, Gerhard J Zlabinger, Winfried F Pickl, Wolfgang Pfützner, Barbara Bohle
BACKGROUND: Allergen-specific immunotherapy (AIT) induces specific blocking antibodies (Ab) which are claimed to prevent IgE-mediated reactions to allergens. Additionally, AIT modulates cellular responses to allergens, e.g. by desensitizing effector cells, inducing regulatory T and B lymphocytes and immune deviation. It is still enigmatic which of these mechanisms mediate(s) clinical tolerance. We sought to address the role of AIT-induced blocking Ab separately from cellular responses in a chimeric human/mouse model of respiratory allergy...
November 21, 2017: Allergy
https://www.readbyqxmd.com/read/29159565/a-comprehensive-review-on-mustard-induced-allergy-and-implications-for-human-health
#11
REVIEW
Akanksha Sharma, Alok K Verma, Rinkesh Kumar Gupta, Neelabh, Premendra D Dwivedi
Mustard is widely used in a variety of foods/food products to enhance the flavor and nutritional value that subsequently raise the risk of hypersensitivity reactions. Mustard allergy has been reported for many years and is increasing gradually especially in the areas where its consumption is comparatively higher, and it may be considered among the most important food allergies. A number of relevant clinical studies focused on mustard-induced allergic manifestations are summarized in the current review. In addition, the knowledge regarding the immunological as well as biochemical characteristics of mustard allergens that have been known till date and their cross-reactivity with other food allergens have also been discussed here...
November 20, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/29159184/acute-asthma-in-the-pediatric-emergency-department-infections-are-the-main-triggers-of-exacerbations
#12
Arianna Dondi, Elisabetta Calamelli, Valentina Piccinno, Giampaolo Ricci, Ilaria Corsini, Carlotta Biagi, Marcello Lanari
Background: Asthma exacerbations are a common reason for Emergency Department (ED) visits in children. Aim: To analyze differences among age groups in terms of triggering factors and seasonality and to identify those with higher risk of severe exacerbations. Methods: We retrospectively revised the files of children admitted for acute asthma in 2016 in our Pediatric ED. Results: Visits for acute asthma were 603/23197 (2...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29158869/otitis-media-with-effusion-and-atopy-is-there-a-causal-relationship
#13
REVIEW
Mario E Zernotti, Ruby Pawankar, Ignacio Ansotegui, Hector Badellino, Juan Sebastian Croce, Elham Hossny, Motohiro Ebisawa, Nelson Rosario, Mario Sanchez Borges, Yuan Zhang, Luo Zhang
Otitis Media with Effusion (OME) is an inflammatory condition of the middle ear cleft, acute or chronic, with collection of fluid in the middle ear with an intact tympanic membrane. It is a very common disease in childhood, the most frequent cause of hearing loss in childhood and often requiring surgery. OME is called chronic when the fluid in the middle ear persists for more than three months or when the episodes recur six or more times in one year. The current article covers various aspects of OME including definition, epidemiology...
2017: World Allergy Organization Journal
https://www.readbyqxmd.com/read/29158374/maternal-igg-immune-complexes-induce-food-allergen-specific-tolerance-in-offspring
#14
Asa Ohsaki, Nicholas Venturelli, Tess M Buccigrosso, Stavroula K Osganian, John Lee, Richard S Blumberg, Michiko K Oyoshi
The role of maternal immune responses in tolerance induction is poorly understood. To study whether maternal allergen sensitization affects offspring susceptibility to food allergy, we epicutaneously sensitized female mice with ovalbumin (OVA) followed by epicutaneous sensitization and oral challenge of their offspring with OVA. Maternal OVA sensitization prevented food anaphylaxis, OVA-specific IgE production, and intestinal mast cell expansion in offspring. This protection was mediated by neonatal crystallizable fragment receptor (FcRn)-dependent transfer of maternal IgG and OVA immune complexes (IgG-IC) via breast milk and induction of allergen-specific regulatory T (T reg) cells in offspring...
November 20, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29157945/food-allergy-a-review-and-update-on-epidemiology-pathogenesis-diagnosis-prevention-and-management
#15
Scott H Sicherer, Hugh A Sampson
This review provides general information to serve as a primer for those embarking on understanding food allergy and also details advances and updates in epidemiology, pathogenesis, diagnosis and treatment that have occurred over the four years since our last comprehensive review. Although firm prevalence data are lacking, there is a strong impression that food allergy has increased, and rates as high as ∼10% have been documented. Genetic, epigenetic and environmental risk factors are being increasingly elucidated, opening the potential for improved prevention and treatment strategies targeted to those at risk...
November 17, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29157860/advances-in-rhinitis-models-and-mechanisms
#16
REVIEW
Anne K Ellis, Mark W Tenn
OBJECTIVE: To summarize studies highlighting recent advances in rhinitis-related research in the past 2 years. DATA SOURCES: Original research articles were procured and examined from the Rhinitis and Upper Airway Disease section of the 2015 to 2017 Annals of Allergy, Asthma & Immunology issues. Additional original research articles were identified from PubMed and Google Scholar using the following search terms: allergic rhinitis, rhinitis, chronic rhinosinusitis, environmental exposure unit, and nasal allergen challenge...
November 18, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29156925/-new-ingredients-in-infant-formula-health-and-functional-benefits
#17
M Cristina De Almagro García, José Antonio Moreno Muñoz, Jesús Jiménez López, María Rodríguez-Palmero Seuma
There is an increasing body of evidence about the effect that early nutrition and lifestyle could have on the programming of later health and disease. Infant formula must cover all the nutritional needs to promote adequate infant growth and development. Currently, important research efforts have been made to supplement infant formulae with new bioactive ingredients with health benefits for the infant. The milk fat globule membrane is one of the new ingredients, which provides phospholipids and gangliosides, as well as bioactive proteins...
October 15, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29156294/phospholipase-a1-based-cross-reactivity-among-venoms-of-clinically-relevant-hymenoptera-from-neotropical-and-temperate-regions
#18
Amilcar Perez-Riverol, Luís Gustavo Romani Fernandes, Alexis Musacchio Lasa, José Roberto Aparecido Dos Santos-Pinto, Débora Moitinho Abram, Gabriel Hideki Izuka Moraes, Frederic Jabs, Michaela Miehe, Henning Seismman, Mario Sergio Palma, Ricardo de Lima Zollner, Edzard Spillner, Márcia Regina Brochetto-Braga
Molecular cross-reactivity caused by allergen homology or cross-reactive carbohydrate determinants (CCDs) is a major challenge for diagnosis and immunotherapy of insect venom allergy. Venom phospholipases A1 (PLA1s) are classical, mostly non-glycosylated wasp and ant allergens that provide diagnostic benefit for differentiation of genuine sensitizations from cross-reactivity. As CCD-free molecules, venom PLA1s are not causative for CCD-based cross-reactivity. Little is known however about the protein-based cross-reactivity of PLA1 within vespid species...
November 17, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/29156079/the-gard-platform-for-potency-assessment-of-skin-sensitizing-chemicals
#19
Kathrin S Zeller, Andy Forreryd, Tim Lindberg, Robin Gradin, Aakash Chawade, Malin Lindstedt
Contact allergy induced by certain chemicals is a common health concern, and several alternative methods have been developed to fulfill the requirements of European legislation with regard to hazard assessment of potential skin sensitizers. However, validated methods, which provide information about the potency of skin sensitizers, are still lacking. The cell-based assay Genomic Allergen Rapid Detection (GARD), targeting key event 3, dendritic cell activation, of the skin sensitization AOP, uses gene expression profiling and a machine learning approach for the prediction of chemicals as sensitizers or non-sensitizers...
2017: ALTEX
https://www.readbyqxmd.com/read/29155807/a-synbiotic-containing-amino-acid-based-formula-improves-gut-microbiota-in-non-ige-mediated-allergic-infants
#20
David C A Candy, Marleen T J Van Ampting, Manon M Oude Nijhuis, Harm Wopereis, Assad M Butt, Diego G Peroni, Yvan Vandenplas, Adam T Fox, Neil Shah, Christina E West, Johan Garssen, Lucien F Harthoorn, Jan Knol, Louise J Michaelis
BACKGROUND: Prebiotics and probiotics (synbiotics) can modify gut microbiota and have potential in allergy management when combined with amino acid-based formula (AAF) for infants with cow's milk allergy (CMA). METHODS: This multicenter, double-blind, randomized controlled trial investigated the effects of an AAF including synbiotic blend on percentages of bifidobacteria and Eubacterium rectale/Clostridium coccoides group (ER/CC) in feces from infants with suspected non-IgE-mediated CMA...
November 20, 2017: Pediatric Research
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