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Peanut Allergy

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https://www.readbyqxmd.com/read/27931535/advances-in-food-allergy-in-2015
#1
REVIEW
Robert A Wood
This review highlights research advances in food allergy that were published in the Journal in 2015. The world of food allergy research continues to rapidly accelerate, with increasing numbers of outstanding submissions to the Journal. In 2015, important studies on the epidemiology of food allergy were published, suggesting differential rates of food allergy in specific racial and ethnic groups. Even more importantly, studies were published identifying specific risk factors for the development of peanut allergy, as well as specific prevention strategies...
December 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27931280/safety-profile-of-oral-immunotherapy-with-cows-milk-and-hen-egg-a-10-year-experience-in-controlled-trials
#2
Giovanni B Pajno, Lucia Caminiti, Fernanda Chiera, Giuseppe Crisafulli, Giuseppina Salzano, Stefania Arasi, Giovanni Passalacqua
BACKGROUND: Oral immunotherapy (OIT) for food allergy is gaining interest due to the favorable clinical results reported with cow's milk, hen egg and peanut. The safety of the procedure remains a critical aspect that can limit the introduction of OIT in clinical practice. OBJECTIVE: We described herein, in detail, the occurrence and characteristics of adverse events (AE) with OIT in children who participated in controlled trials at our unit. METHODS: The clinical records of 68 children who received active treatment (40 for cow's milk and 28 for hen egg) were carefully reviewed...
September 2016: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/27896827/leaping-through-the-looking-glass-secondary-analysis-of-the-effect-of-skin-test-size-and-age-of-introduction-on-peanut-tolerance-after-early-peanut-introduction
#3
Matthew Greenhawt, David Fleischer, Edmond S Chan, Carina Venter, David Stukus, Ruchi Gupta, Jonathan Spergel
BACKGROUND: In the Learning Early About Peanut Allergy (LEAP) study, early peanut introduction in high-risk 4-11 month olds was associated with a significantly decreased risk of developing peanut allergy. However, the influences of key baseline high-risk factors on peanut tolerance are poorly understood. METHODS: Secondary analysis was conducted on the publically available LEAP dataset, exploring relationships between peanut tolerance, baseline peanut/egg sensitization, eczema severity/duration, age of introduction, gender, and race...
November 29, 2016: Allergy
https://www.readbyqxmd.com/read/27893943/peanut-allergy-anaphylaxis-adrenaline-and-exacerbations-of-asthma
#4
EDITORIAL
G Roberts
No abstract text is available yet for this article.
December 2016: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27886390/green-yellow-and-red-risk-perception-in-everyday-life-a-communication-tool
#5
A Stensgaard, A DunnGalvin, D Nielsen, M Munch, C Bindslev-Jensen
BACKGROUND: Adolescents have the highest risk for food allergy-related fatalities. Our main aim was to investigate the level of risk in everyday social situations as perceived by adolescents/young adults with peanut allergy, their families and their friends. METHODS: The web-based 'Colours Of Risks' (COR) questionnaire was completed by 70 patients (aged 12-23 years), 103 mothers and fathers, 31 siblings (aged 12-26 years), and 42 friends (aged 12-24 years). COR deals with six main contexts (home, school/university, work, visiting/social activities, special occasions/parties, and vacations), each with 1-12 items...
November 25, 2016: Allergy
https://www.readbyqxmd.com/read/27883239/individually-dosed-omalizumab-an-effective-treatment-for-severe-peanut-allergy
#6
J Brandström, M Vetander, G Lilja, S G O Johansson, A-C Sundqvist, F Kalm, C Nilsson, A Nopp
BACKGROUND: Treatment with omalizumab has shown a positive effect on food allergies, but no dosages are established. Basophil allergen threshold sensitivity (CD-sens) can be used to objectively measure omalizumab treatment efficacy and correlates with the outcome of Double Blind Placebo Controlled Food Challenge to peanut. OBJECTIVE: To evaluate if individualized omalizumab treatment monitored by CD-sens could be an effective intervention for suppression of allergic reactions to peanut...
November 24, 2016: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27883235/genome-wide-association-study-of-peanut-allergy-reproduces-association-with-amino-acid-polymorphisms-in-hla-drb1
#7
David J Martino, Sarah Ashley, Jennifer Koplin, Justine Ellis, Richard Saffery, Shyamali C Dharmage, Lyle Gurrin, Melanie C Matheson, Birgit Kalb, Ingo Marenholz, Kirsten Beyer, Young-Ae Lee, Xiumei Hong, Xiaobin Wang, Damjan Vukevic, Allan Motyer, Stephen Leslie, Katrina J Allen, Manuel A R Ferreira
BACKGROUND: Genetic variants for IgE-mediated peanut allergy are yet to be fully characterized and to date only one genome-wide association study (GWAS) has been published. OBJECTIVE: To identify genetic variants associated with challenge proven peanut allergy. METHODS: We carried out a GWAS comparing 73 infants with challenge-proven IgE-mediated peanut allergy against 148 non-allergic infants (all ~ 1 year old). We tested a total of 3.8 million single nucleotide polymorphism (SNPs), as well as imputed HLA alleles and amino acids...
November 24, 2016: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27879501/introducing-allergenic-food-into-infants-diets-systematic-review
#8
Katelin Larson, Jessica McLaughlin, Mallory Stonehouse, Brittany Young, Kristin Haglund
PURPOSE: The purpose of this evidence-based review was to explore the association between timing of introduction of potentially allergenic foods to infants and development of food allergies. METHODS: CINAHL, Medline, PubMed, Science Direct, and Web of Science were searched using the terms solid food, complementary food, or infant feeding combined with allergy or hypersensitivity for articles published in English in 2000 or later. Inclusion criteria were 1) primary research articles with 2) a focus on association between introduction of complementary foods including potentially allergenic foods into diets of infants less than 12 months of age and development of food allergies...
November 22, 2016: MCN. the American Journal of Maternal Child Nursing
https://www.readbyqxmd.com/read/27873194/lupin-and-other-potentially-cross-reactive-allergens-in-peanut-allergy
#9
REVIEW
Maurizio Mennini, Lamia Dahdah, Oscar Mazzina, Alessandro Fiocchi
PURPOSE OF REVIEW: The presence of IgE cross-reactivity between peanut allergens and allergens from other legumes and tree nuts has been demonstrated, but the identification of the involved individual allergens is still limited. The aim of this review is to describe new allergenic findings, of potential relevance for cross-reactivity among peanut and lupin. RECENT FINDINGS: Seventeen allergens of peanut have been included in the official allergen nomenclature database to date...
November 2016: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/27859599/double-blind-placebo-controlled-challenge-showed-that-peanut-oral-immunotherapy-was-effective-for-severe-allergies-without-negative-effects-on-airway-inflammation
#10
Anna Kaarina Kukkonen, Riikka Uotila, Leo Pekka Malmberg, Anna Susanna Pelkonen, Mika Juhani Mäkelä
AIM: This study examined the efficacy and the safety of peanut oral immunotherapy (OIT). METHODS: We recruited 60 patients aged 6-18 years who had a moderate-to-severe reaction to a double-blind placebo-controlled peanut challenge: 39 received OIT during an eight-month build-up phase and maintenance phase and 21 controls avoided peanuts. We measured specific immunoglobulin E and G4 (IgE and IgG4) to peanuts and to Ara h 1, 2, 3, 8, and 9 and monitored adverse events, bronchial hyperresponsiveness (BHR) to methacholine and fractional concentrations of exhaled nitric oxide (FeNO)...
November 12, 2016: Acta Paediatrica
https://www.readbyqxmd.com/read/27846286/food-related-symptoms-and-food-allergy-in-swedish-children-from-early-life-to-adolescence
#11
Jennifer L P Protudjer, Mirja Vetander, Inger Kull, Gunilla Hedlin, Marianne van Hage, Magnus Wickman, Anna Bergström
BACKGROUND: Risk factors for persistence of food-related symptoms (FRS) and food allergy (FA) from early life to adolescence are incompletely understood. The aim of this study was to identify risk factors for FRS and FA in adolescence amongst children with FRS or FA in the first four years of life (early life). METHODS: In children enrolled in a Swedish birth cohort and followed to 16 years (n = 2572), we defined children with early life FRS in the absence of FA, and FA...
2016: PloS One
https://www.readbyqxmd.com/read/27836164/-anaphylaxis-in-children-what-pediatricians-should-know
#12
G Pouessel, A Deschildre
Anaphylaxis is a severe potentially life-threatening allergic emergency that has been increasing over the last two decades, especially in young children. Anaphylaxis deaths remain rare, in particular in children, and their frequency is stable during this period. Food is the main anaphylaxis trigger in children, notably to cow's milk, peanuts, and tree nuts. In infants, the recognition of anaphylaxis may be difficult. Vomiting, urticaria, and laryngeal edema are more frequent at this age. Cardiovascular involvement is rare, most often encountered in adolescence...
November 8, 2016: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/27824638/autism-spectrum-disorder-and-avoidant-restrictive-food-intake-disorder
#13
Jennifer Lucarelli, Demetra Pappas, Leah Welchons, Marilyn Augustyn
Kendra is a 4-year-old girl with autism spectrum disorder (ASD) who presents for follow-up of feeding problems to her pediatric clinician. She is an only child in a family where both parents are scientists. Feeding concerns date to infancy, when she was diagnosed with Gastroesophageal Reflux Disease (GERD) associated with persistent bottle refusal and the acceptance of few pureed foods. At 13 months, milk and peanut allergies were diagnosed. Following a feeding clinic evaluation at 24 months, she was prescribed a soy milk supplement and an H2 blocker...
November 4, 2016: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/27820622/evolution-of-guidelines-on-peanut-allergy-and-peanut-introduction-in-infants-a-review
#14
Sara Anvari, Niti Y Chokshi, Qurat Ul Ain Kamili, Carla McGuire Davis
Importance: The reported prevalence of peanut allergy among children in the United States has increased more than 3-fold in the last 20 years. Medical guidelines on the introduction of peanut as well as other allergenic foods have evolved with the emerging evidence that an early introduction to these foods is more beneficial than a delayed introduction. This review highlights the studies that have led to the evolving guidelines on peanut introduction in infants. Observations: The prevalence of peanut allergy has increased despite the publication of guidelines from the American Academy of Pediatrics in 2000, which recommended a delayed introduction of peanut...
November 7, 2016: JAMA Pediatrics
https://www.readbyqxmd.com/read/27799959/predictors-of-allergen-sensitization-in-singapore-children-from-birth-to-3%C3%A2-years
#15
Evelyn Xiu Ling Loo, Jordan Zheng Ting Sim, Anne Goh, Oon Hoe Teoh, Yiong Huak Chan, Seang Mei Saw, Kenneth Kwek, Peter D Gluckman, Keith M Godfrey, Hugo Van Bever, Yap Seng Chong, Bee Wah Lee, Michael S Kramer, Lynette Pei-Chi Shek
BACKGROUND: Immune responses in allergic diseases begin with allergen sensitization, which usually occurs in childhood. Allergen sensitization involves a complex interplay of genetic and environmental factors, and sensitization patterns may change with age. OBJECTIVE: To determine the predictors of allergen sensitization in the first 3 years of life in the growing up in Singapore towards healthy outcomes (GUSTO) prospective birth cohort study. METHODS: Interviewers collected information on demographics, family history of allergy, social and lifestyle factors, and the child's health...
2016: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/27793601/managing-nut-allergy-a-remaining-clinical-challenge
#16
Philippe A Eigenmann, Gideon Lack, Angel Mazon, Antonio Nieto, Diab Haddad, Helen A Brough, Jean-Christoph Caubet
Peanut and tree nut allergies have become a public health problem over the last 2 decades. The diagnostic procedure relies on a suggestive history, as well as on evidence of sensitization (skin prick testing and/or specific IgE blood testing), followed in selected cases by a food challenge. Standard IgE tests may be positive to more than 1 nut, due to cross-reactivity (allergens common to several nuts) or cosensitivity (frequently associated positive test results without cross-reactivity). Thus, many patients with a peanut or a tree nut allergy avoid all nuts, relying on positive test results without clinical evidence of reactivity...
October 25, 2016: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/27726958/ige-cross-reactivity-of-peanut-with-walnut-and-soybean-in-children-with-food-allergy
#17
M N Kim, K E Lee, J Y Hong, K W Kim, K-E Kim, M H Sohn, J W Park
BACKGROUND: Peanut allergies are common and can be life-threating for sensitised individuals. Peanut allergens share significant amino acid homology with those of other legumes and tree nuts, but their cross-reactivity still remains unclear. OBJECTIVE: We sought to determine the clinical significance of the cross-reactivity of peanut allergens with those of walnut and soybean. METHODS: Pooled sera from eight subjects with both peanut and walnut specific IgE were investigated in an inhibition test...
October 7, 2016: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/27670093/isotretinoin-treatment-in-a-patient-with-known-peanut-allergy-and-positive-ige-test-results-for-soybean
#18
Santiago Alvarez-Arango, Angela Hou, Michelle A Lowes, Elina Jerschow
No abstract text is available yet for this article.
September 23, 2016: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/27642151/-infant-food-diversification-assessment-of-practices-in-relation-to-french-recommendations-in-pediatricians-and-pediatric-residents-in-southern-france
#19
T Banti, A Carsin, B Chabrol, R Reynaud, A Fabre
: Infant food diversification has undergone a rapid succession of good practice recommendations in France, but there has been no assessment of pediatrician practices on food diversification. OBJECTIVE: To assess the practices of pediatricians in relation to current recommendations of the French Society of Pediatrics on infant food diversification. METHODS: This was an observational study conducted from 1 November 2014 to 31 March 2015. The study population consisted of 97 pediatricians in the Var department and 84 pediatric residents assigned to the University of Aix-Marseille in France...
October 2016: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/27628022/the-use-of-omalizumab-in-food-oral-immunotherapy
#20
Roxane Labrosse, François Graham, Anne Des Roches, Philippe Bégin
Food allergy is an important health issue that affects up to 8 % of the population. The management of allergic patients involves allergen avoidance and prompts the treatment of accidental reactions, as no curative treatment is available so far in routine practice. Oral immunotherapy (OIT) is a promising therapeutic alternative, but it is associated with frequent allergic reactions and cost-effectiveness issues. In hopes of reducing such reactions, a number of trials have used omalizumab, an anti-IgE monoclonal humanized antibody, as adjunctive therapy in OIT...
September 14, 2016: Archivum Immunologiae et Therapiae Experimentalis
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