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Allergy prevention

Silvia de Souza Campos Fernandes, Dirceu Solé, Paulo Camargos, Cláudia Ribeiro de Andrade, Cássio da Cunha Ibiapina
OBJECTIVE: To evaluate risk factors associated with asthma symptoms in adolescents in the 13- to 14-year age bracket. METHODS: This was a cross-sectional study involving adolescents enrolled in randomly selected public schools in the city of Belo Horizonte, Brazil, and conducted with the use of the International Study of Asthma and Allergies in Childhood (ISAAC) questionnaire and its supplementary module for risk factor assessment. The ISAAC questionnaire was completed by the students themselves, whereas the supplementary questionnaire was completed by their parents or legal guardians...
January 2018: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
Philippe A Eigenmann
Skin diseases related to allergy are common in childhood and pediatric allergists are commonly faced with atopic eczema, treatment schemes for which include calcineurin inhibitors: commonly used topical drugs which control inflammatory skin flares. In the first review of this issue, Nakahira et al provide mechanistic insights, among others, into modulation of the immune response by tacrolimus (1). Prevention of atopic eczema is addressed by Wickens et al. This article is protected by copyright. All rights reserved...
March 13, 2018: Pediatric Allergy and Immunology
Rohan Ameratunga
Three recent publications from Professor Gideon Lack have fundamentally changed our understanding of how to prevent food allergy. His team has shown that early introduction of allergenic foods may prevent food allergy in most but not all high-risk children. Various allergy and paediatric societies around the world are changing their recommendations based on these three studies. It appears there is a window of opportunity to safely introduce allergenic foods to high-risk children. This has resource implications, as some of these children will need testing and food challenges...
December 2017: Journal of Primary Health Care
Shu-Jun Liu, Ting-Ting Wang, Shi-Yu Cao, Ya-Qing Tan, Li-Zhang Chen
OBJECTIVE: To investigate the main risk factors for asthma in Chinese children, and to provide a reference for the prevention and treatment of asthma. METHODS: The databases including CNKI, Wanfang Data, China Biology Medicine disc, VIP Database for Chinese Technical Periodicals, Web of Science, and PubMed were searched for studies on risk factors for asthma in Chinese children published up to September 2017. Stata 12.0 was used for the Meta analysis. RESULTS: A total of 24 case-control studies were included, with 5 309 cases in the case group and 6 404 cases in the control group...
March 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
Matteo Ferrando, Francesca Racca, Lorena Nascimento Girardi Madeira, Enrico Heffler, Giovanni Passalacqua, Francesca Puggioni, Niccolò Stomeo, Giorgio Walter Canonica
Abstract: Allergen immunotherapy (AIT) is the only disease-modifying treatment approved for allergic rhinitis and allergic asthma and represents a suitable therapeutic option, especially in childhood, to modify the progression of respiratory allergic diseases. Starting from the previous "generic class effect" evaluation, as testified by the numerous meta analyses, AIT is now considered a product-specific pathogenic-oriented treatment. Background: AIT was empirically proposed more than one century ago in the subcutaneous form (SCIT), but the IgE-mediated mechanism of allergy was elucidated only after 50 years of clinical use of the treatment...
2018: Clinical and Molecular Allergy: CMA
Paul J Turner, Dianne E Campbell, Robert J Boyle, Michael E Levin
Given the prevalence and impact of childhood food allergy, there is increasing interest in interventions targeting disease prevention. Although interventions such as early introduction of dietary peanut have demonstrated efficacy in a small number of well-conducted randomized clinical trials, evidence for broader effectiveness and successful implementation at a population level is still lacking, although epidemiological data suggest that such strategies are likely to be successful, at least for peanut. In this commentary, we explore the issues of translating evidence of efficacy studies (performed under optimal conditions) to make policy recommendations at a population level, and highlight potential benefits, harms, and unintended consequences of making population-based recommendations on the basis of randomized controlled trials...
March 2018: Journal of Allergy and Clinical Immunology in Practice
Matthew Greenhawt, Edmond S Chan, David M Fleischer, Allison Hicks, Rachel Wilson, Marcus Shaker, Carina Venter, David Stukus
BACKGROUND: Recent guidelines recommend early peanut introduction (EPI) beginning around 4-6 months in infants with either severe eczema and/or egg allergy, and around 6 months for all other infants. Caregiver preferences for such practices are unkown. METHODS: We explored preferences for EPI and in-office allergy risk assessment (IRA) through a nationally-representative survey of expecting (n=1000) and new caregivers of infants < 1 year (n=1000). RESULTS: Among a primarily female (99...
March 7, 2018: Annals of Allergy, Asthma & Immunology
Amy M Scurlock, Stacie M Jones
Advances in food allergy diagnosis, management, prevention and therapeutic interventions have been significant over the past two decades. Evidence based national and international guidelines have streamlined food allergy diagnosis and management, while paradigm shifting work in primary prevention of peanut allergy has resulted in significant modifications in the approach to early food introduction in infants and toddlers. Innovative investigation of food allergy epidemiology, systems biology, impact, and management has provided important insights...
March 7, 2018: Journal of Allergy and Clinical Immunology
Kenji Matsumoto, Rintaro Mori, Celine Miyazaki, Yukihiro Ohya, Hirohisa Saito
No abstract text is available yet for this article.
March 6, 2018: Journal of Allergy and Clinical Immunology
Edyta Krzych-Fałta, Konrad Furmańczyk, Aneta Tomaszewska, Dominik Olejniczak, Bolesław Samoliński, Urszula Samolińska-Zawisza
BACKGROUND: The hygiene hypothesis proposed by Strachan in the 1980s clearly emphasized the role of microorganisms in atopy prevention. OBJECTIVES: The study objective was to assess the preventive role of probiotics in patients with allergic rhinitis, bronchial asthma, atopic dermatitis, and/or food allergy. MATERIAL AND METHODS: The methods used in the study were the International Study of Asthma and Allergies in Childhood (ISAAC) questionnaires for 6-7- and 13-14-year-olds and the European Community Respiratory Health Survey II (ECRHS II) questionnaire targeted for the 20-44 age group...
January 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
F Nicole Dijk, Chengjian Xu, Erik Melén, Anne-Elie Carsin, Asish Kumar, Ilja M Nolte, Olena Gruzieva, Goran Pershagen, Neomi S Grotenboer, Olga E M Savenije, Josep Maria Antó, Iris Lavi, Carlota Dobaño, Jean Bousquet, Pieter van der Vlies, Ralf J P van der Valk, Johan C de Jongste, Martijn C Nawijn, Stefano Guerra, Dirkje S Postma, Gerard H Koppelman
Interleukin-1 receptor-like 1 ( IL1RL1 ) is an important asthma gene. (Epi)genetic regulation of IL1RL1 protein expression has not been established. We assessed the association between IL1RL1 single nucleotide polymorphisms (SNPs), IL1RL1 methylation and serum IL1RL1-a protein levels, and aimed to identify causal pathways in asthma.Associations of IL1RL1 SNPs with asthma were determined in the Dutch Asthma Genome-wide Association Study cohort and three European birth cohorts, BAMSE (Children/Barn, Allergy, Milieu, Stockholm, an Epidemiological survey), INMA (Infancia y Medio Ambiente) and PIAMA (Prevention and Incidence of Asthma and Mite Allergy), participating in the Mechanisms of the Development of Allergy study...
March 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
Kemal Sasaki, Tomoko Nakagawa, Shiro Sugiura, Motohiro Ebisawa, Komei Ito
BACKGROUND: The unintentional usage of adrenaline auto-injectors may cause injury to caregivers or patients. To prevent such incidents, we assessed the causative factors of these incidents. METHODS: The Anaphylaxis Working Group of the Japanese Society of Pediatric Allergy and Clinical Immunology requested that society members register cases in which adrenaline auto-injectors were unintentionally used. One hundred cases were reported from June 2015 to March 2016...
March 5, 2018: Allergology International: Official Journal of the Japanese Society of Allergology
Matthew C Altman, Elizabeth Whalen, Alkis Togias, George T O'Connor, Leonard B Bacharier, Gordon R Bloomberg, Meyer Kattan, Robert A Wood, Scott Presnell, Petra LeBeau, Katy Jaffee, Cynthia M Visness, William W Busse, James E Gern
BACKGROUND: Childhood asthma in inner city populations is a major public health burden and understanding early life immune mechanisms that promote asthma onset is key to disease prevention. Children who develop asthma demonstrate a high prevalence of aeroallergen sensitization and T helper 2 (Th2)-type inflammation, however the early life immune events that lead to Th2 skewing and disease development are unknown. OBJECTIVE: We sought to use RNA sequencing of peripheral blood mononuclear cells (PBMCs) collected at age 2 to determine networks of immune responses that occur in children who develop allergy and asthma...
March 5, 2018: Journal of Allergy and Clinical Immunology
Julia Upton, Anna Nowak-Wegrzyn
Baked milk (BM) and baked egg (BE) diets are increasingly used in the management of milk and egg allergy, rather than avoidance. Children with tolerance versus reactivity to BM and BE may have smaller skin prick test and lower specific IgE, and BM-tolerant children have less basophil reactivity and more peripheral T regulatory cells. However, most milk- and egg-allergic children tolerate BM and BE and an individual's reactivity is unpredictable. Non-reactivity is due to conformational changes in the allergens...
March 8, 2018: Clinical Reviews in Allergy & Immunology
Takashi Kei Kishimoto, Roberto A Maldonado
Antigen-specific immune tolerance has been a long-standing goal for immunotherapy for the treatment of autoimmune diseases and allergies and for the prevention of allograft rejection and anti-drug antibodies directed against biologic therapies. Nanoparticles have emerged as powerful tools to initiate and modulate immune responses due to their inherent capacity to target antigen-presenting cells (APCs) and deliver coordinated signals that can elicit an antigen-specific immune response. A wide range of strategies have been described to create tolerogenic nanoparticles (tNPs) that fall into three broad categories...
2018: Frontiers in Immunology
Thaís Silva Peleteiro, Evelin Santos Oliveira, Elisabete Lopes Conceição, Francisco Nascimento-Sampaio, Neuza Maria Alcântara-Neves, Carlos Mauricio Cardeal Mendes, Theolis Costa Barbosa Bessa
INTRODUCTION: Bacille Calmette-Guérin (BCG) downmodulates allergen-specific IgE levels and prevents other atopic responses in experimental models but fails to protect against respiratory allergies. Human responsiveness to BCG is variable and may interfere with protection. METHODS: Multivariate models were evaluated to test the possible effect of responsiveness (assessed by IFN-γ production) to BCG revaccination on the modulation of total and allergen-specific serum IgE levels in healthy volunteers participating in a randomized controlled trial...
January 2018: Revista da Sociedade Brasileira de Medicina Tropical
Leticia Bignardi, Talita Prates, Andiara De Rossi, Paulo Nelson-Filho, Fabrício Kitasono de Carvalho, Talitha de Siqueira Mellara, Alexandra Mussolino de Queiroz
Myelomeningocele (MMC) is a congenital malformation that occurs in the embryonic period, characterized by failure in closure of the caudal portion of the neural tube during central nervous system formation. Alterations and complications can be associated with this condition, such as hydrocephalus, neurogenic bladder, orthopedic problems, and motor and cognitive impairment. This patients with MMC also have predisposition to develop latex allergy and high caries risk and activity due to deficient oral hygiene, fermentable carbon hydrate-rich diet and prolonged use of sugar-containing oral medications...
March 7, 2018: Special Care in Dentistry
Anna Volerman, Adam S Cifu
No abstract text is available yet for this article.
March 6, 2018: JAMA: the Journal of the American Medical Association
Lili Xu, Yueniu Zhu, Jing Yu, Mengyan Deng, Xiaodong Zhu
RATIONALE: Stevens-Johnson syndrome (SJS) is an acute blistering disease of the skin and mucous membranes. SJS in children is not common but potentially serious disease. But the epidemiology of SJS in China is not well defined. PATIENT CONCERNS: A 6-year-old boy was initially diagnosed as pneumonia admitted to hospital after admission, and the body appears red rash with blisters, skin damage, lip debaucjed, repeated high fever, and rapid progression. DIAGNOSES: SJS often results from an allergy reaction response to a range of drugs...
January 2018: Medicine (Baltimore)
Francesca Larese Filon, Anna Drusian, Marcella Mauro, Corrado Negro
Exposure to laboratory animals (LA) can cause allergic sensitization and symptoms as rhinitis, conjunctivitis, asthma, anaphylaxis and dermatitis. In 2000, a program was instituted at Trieste Universities to decrease LA allergy among scientists and technicians working with animals. The aim of our study was to investigate LA allergy in workers exposed to LA from 2001 to 2016, and to verify the effects of a preventive program. Four hundred sixty seven people underwent pre-employment screening for a job with laboratory animals at Universities of Trieste consisting in a medical examination, a full respiratory and allergy anamnesis, using a standardized questionnaire, skin prick test with common and occupational allergens, and spirometry...
March 2018: Respiratory Medicine
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