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Journal of Allergy and Clinical Immunology

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https://www.readbyqxmd.com/read/28739287/effect-of-home-exposure-to-staphylococcus-aureus-on-asthma-in-adolescents
#1
Meghan F Davis
This is the first study to find that environmental Staphylococcus aureus and staphylococcal enterotoxins in a national population of inner-city adolescents with asthma are common and have the potential to drive asthma symptoms.
July 21, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28739286/genetic-and-epigenetic-regulation-of-ykl-40-in-childhood
#2
Stefano Guerra, Erik Melén, Jordi Sunyer, Cheng-Jian Xu, Iris Lavi, Marta Benet, Mariona Bustamante, Anne-Elie Carsin, Carlota Dobaño, Mònica Guxens, Christina Tischer, Martine Vrijheid, Inger Kull, Anna Bergström, Ashish Kumar, Cilla Söderhäll, Ulrike Gehring, Dorieke J Dijkstra, Pieter van der Vlies, Magnus Wickman, Jean Bousquet, Dirkje S Postma, Josep M Anto, Gerard H Koppelman
BACKGROUND: Circulating levels of the chitinase-like protein YKL-40 are influenced by genetic variation in its encoding gene (CHI3L1) and are increased in several diseases, including asthma. Epigenetic regulation of circulating YKL-40 early in life is unknown. OBJECTIVE: To determine (1) whether methylation levels at CHI3L1 CpG sites mediate the association of CHI3L1 single nucleotide polymorphisms (SNPs) with YKL-40 levels in the blood; and (2) whether these biomarkers (CHI3L1 SNPs, methylation profiles, and YKL-40 levels) are associated with asthma in early childhood...
July 21, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28739285/promising-approaches-for-treatment-and-prevention-of-viral-respiratory-illnesses
#3
Nikolaos G Papadopoulos, Spyridon Megremis, Nikolaos A Kitsioulis, Olympia Vangelatou, Peter West, Paraskevi Xepapadaki
Viral respiratory infections are the most common human ailments, leading to enormous health and economic burden. Hundreds of virus species and subtypes have been associated with these conditions, with influenza viruses (IFV), respiratory syncytial virus (RSV) and the rhinoviruses (RV) being the most frequent and with the highest burden. When considering prevention or treatment of viral respiratory infections, potential targets include the causative pathogens themselves but also the immune response, disease transmission or even just the symptoms...
July 21, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28736268/differential-connectivity-of-gene-regulatory-networks-distinguishes-corticosteroid-response-in-asthma
#4
Weiliang Qiu, Feng Guo, Kimberly Glass, Guo Cheng Yuan, John Quackenbush, Xiaobo Zhou, Kelan G Tantisira
BACKGROUND: Variations in drug response between individuals have prevented us from achieving high drug efficacy in treating many complex diseases, including asthma. Genetics plays an important role in accounting for such inter-individual variations in drug response. However, systematic approaches for addressing how genetic factors and their regulators determine variations in drug response in asthma treatment are lacking. METHODS: We used PANDA (Passing Attributes between Networks for Data Assimilations) to construct the gene regulatory networks associated with good responders and poor responders to inhaled corticosteroids based on a subset of 145 Caucasian asthmatic children who participated in the Childhood Asthma Management Cohort (CAMP)...
July 20, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28736267/gamma-tocopherol-enriched-supplement-reduces-sputum-eosinophilia-and-endotoxin-induced-sputum-neutrophilia-in-volunteers-with-asthma
#5
Allison J Burbank, Charity G Duran, Yinghao Pan, Patricia Burns, Susan Jones, Qing Jiang, Chao Yang, Sha'Leema Jenkins, Heather Wells, Neil Alexis, Mehmet Kesimer, William D Bennett, Haibo Zhou, David B Peden, Michelle L Hernandez
BACKGROUND: We and others have shown that the gamma tocopherol (γT) isoform of vitamin E has multiple anti-inflammatory and antioxidant actions and that γT supplementation reduces eosinophilic and endotoxin (LPS)-induced neutrophilic airway inflammation in animal models and healthy human volunteers. OBJECTIVE: To determine if γT supplementation reduces eosinophilic airway inflammation and acute neutrophilic response to inhaled LPS challenge in volunteers with asthma...
July 20, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28734845/leveraging-siglec-8-endocytic-mechanisms-to-kill-human-eosinophils-and-malignant-mast-cells
#6
Jeremy A O'Sullivan, Daniela J Carroll, Yun Cao, Adriano N Salicru, Bruce S Bochner
BACKGROUND: Sialic acid-binding immunoglobulin-like lectin (Siglec)-8 is a cell-surface protein expressed selectively on human eosinophils, mast cells, and basophils, making it an ideal target for the treatment of diseases involving these cell types. However, the effective delivery of therapeutic agents to these cells requires an understanding of the dynamics of Siglec-8 surface expression. OBJECTIVE: To determine whether Siglec-8 is endocytosed in human eosinophils and malignant mast cells, identify mechanisms underlying its endocytosis, and demonstrate whether a toxin can be targeted to Siglec-8-bearing cells to kill these cells...
July 19, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28734844/tlr3-blockade-in-rhinovirus-induced-experimental-asthma-exacerbations-a-randomized-controlled-study
#7
Philip E Silkoff, Susan Flavin, Robert Gordon, Mathew J Loza, Peter J Sterk, Rene Lutter, Zuzana Diamant, Ronald B Turner, Brian J Lipworth, David Proud, Dave Singh, Andreas Eich, Vibeke Backer, James E Gern, Christian Herzmann, Scott A Halperin, Tjeert T Mensinga, Alfred M Del Vecchio, Patrick Branigan, Lani San Mateo, Frédéric Baribaud, Elliot S Barnathan, Sebastian L Johnston
BACKGROUND: Human rhinoviruses (HRV) commonly precipitate asthma exacerbations. TLR3, an innate pattern-recognition receptor, is triggered by HRV driving inflammation that may worsen asthma. OBJECTIVE: To evaluate an inhibitory monoclonal antibody to TLR3, CNTO3157, on experimental HRV-16 inoculation in healthy and asthmatic subjects. METHODS: In this double-blind multicenter randomized parallel-group study in North America and Europe, healthy and mild-moderate stable asthmatic subjects received single or multiple doses of CNTO 3157 or placebo, respectively, and were then inoculated with HRV-16 within 72 hours...
July 19, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28732646/phosphatase-wip1-controls-the-development-of-th9-cells-and-allergic-airway-inflammation
#8
Peng Wang, Huiting Su, Lianjun Zhang, Hui Chen, Xuelian Hu, Fan Yang, Jun Lu, Lianfeng Zhang, Yong Zhao
BACKGROUND: Allergic asthma is one of the most common diseases worldwide, resulting in a burden of diseases. No available therapeutic regimens can cure asthma so far. OBJECTIVE: To identify new molecular targets for Th9 cells-mediated allergic airway inflammation. METHODS: Wild-type p53-induced phosphatase 1 (Wip1) gene knockout mice, Wip1 inhibitor-treated mice and ovalbumin (OVA)-induced allergic airway inflammation mouse models were employed to characterize the roles of Wip1 in allergic airway inflammation...
July 18, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28732645/sleep-deprivation-predisposes-allergic-mice-to-develop-neutrophilic-lung-inflammation
#9
Jethe Nunes de Oliveira Filho, Juliana de Souza Apostolico, David Anibal Garrido Andrade, Francieli Ruiz da Silva, Edgar Ruz Fernandes, Monica Levy Andersen, Alexandre Castro Keller, Daniela Santoro Rosa
BACKGROUND: Although different studies associated sleep deprivation with systemic inflammatory changes, the effect of sleep duration on the pathology of allergic chronic diseases is poorly understood. OBJECTIVE: To evaluate the influence of sleep deprivation on allergen-induced pulmonary inflammation. METHODS: Ovalbumin (OVA)-sensitized C57BL/6 mice were exposed to a first set of intranasal OVA challenge under sleep deprivation (SD) or healthy sleep (HS) conditions followed by a second OVA challenge, one week apart...
July 18, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28732644/prevalence-of-primary-immunodeficiencies-in-france-is-underestimated
#10
Nizar Mahlaoui, Jean-Philippe Jais, Pauline Brosselin, Cecile Mignot, Beatrice Beaurain, Carolina Brito, Laurence Costes, Virginie Courteille, Nathalie De Vergnes, Alexandre Alcaïs, Alain Fischer
Prevalence of PID has not been precisely determined. A field epidemiology study shows that prevalence of PIDs in registries is under-estimated and that minimal prevalence is 11 per 100,000 inhabitants instead of 8 per 100,000 inhabitants.
July 18, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28729001/the-dangers-of-chronic-proton-pump-inhibitor-use
#11
EDITORIAL
Rena Yadlapati, Peter J Kahrilas
No abstract text is available yet for this article.
July 17, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28729000/airway-microbiota-signals-anabolic-and-catabolic-remodeling-in-the-transplanted-lung
#12
Stéphane Mouraux, Eric Bernasconi, Céline Pattaroni, Angela Koutsokera, John-David Aubert, Johanna Claustre, Christophe Pison, Pierre-Joseph Royer, Antoine Magnan, Romain Kessler, Christian Benden, Paola M Soccal, Benjamin J Marsland, Laurent P Nicod
BACKGROUND: Homeostatic turnover of the extracellular matrix conditions the structure and function of the healthy lung. In lung transplantation, long-term management remains limited by Chronic Lung Allograft Dysfunction (CLAD), an umbrella term used for a heterogeneous entity ultimately associated with pathological airway and/or parenchyma remodeling. OBJECTIVE: To assess whether the local cross-talk between the pulmonary microbiota and host cells is a key determinant in the control of lower airway remodeling post-transplantation...
July 17, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28728999/histamine-h2-receptor-stimulation-up-regulates-th2-chemokine-ccl17-production-in-human-m2a-macrophages
#13
Susanne Mommert, Karl Gregor, Kristine Rossbach, Katrin Schaper, Torsten Witte, Ralf Gutzmer, Thomas Werfel
Stimulation of the histamine H2 receptor significantly increased CCL17 production in human monocyte derived M2a macrophages. These results may be helpful to identify novel therapeutical target structures in diseases driven at least in part by histamine.
July 17, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28728998/sialylation-of-igg-antibodies-inhibits-igg-mediated-allergic-reactions
#14
Alexandra Epp, Juliane Hobusch, Yannic C Bartsch, Janina Petry, Gina-Maria Lilienthal, Carolien A M Koeleman, Simon Eschweiler, Christian Möbs, Ashley Hall, Suzanne C Morris, Dominique Braumann, Christine Engellenner, Josephine Bitterling, Johann Rahmöller, Alexei Leliavski, Robina Thurmann, Mattias Collin, Kelley W Moremen, Richard T Strait, Véronique Blanchard, Arnd Petersen, Timo Gemoll, Jens K Habermann, Frank Petersen, Andreas Nandy, Helga Kahlert, Michael Hertl, Manfred Wuhrer, Wolfgang Pfützner, Uta Jappe, Fred D Finkelman, Marc Ehlers
In presence of high allergen dosis besides IgE also IgG antibodies can induce allergic reactions, whose severity is dependent on the induced type of IgG Fc glycosylation, what should be considered for new AIT protocols containing new adjuvants.
July 17, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28716387/respiratory-virus-prior-to-hematopoietic-cell-transplantation-is-associated-with-allo-immune-mediated-lung-syndromes
#15
Birgitta Versluys, Marc Bierings, Jean Luc Murk, Tom Wolfs, Caroline Lindemans, Kors Vd Ent, Jaap Jan Boelens
BACKGROUND: Allo-immune mediated lung syndromes (allo-LS) are life-threatening complications after hematopoietic cell transplantation (HCT). Respiratory virus (RV) has been suggested to play a role in the pathogenesis. OBJECTIVE: We studied the relation between RV-DNA/RNA detection in upper/lower airway before HCT and the occurrence of allo-LS. METHODS: We retrospectively analyzed all HCT recipients between 2004 and 2014, in whom Real-Time PCR for RV was done from Nasal-Pharyngeal-Aspirates (NPA) and Broncho-Alveolar- Lavage (BAL) before HCT...
July 14, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28712832/enhanced-pru-p-3-ige-binding-activity-by-selective-free-fatty-acid-interaction
#16
Pawel Dubiela, Roberta Aina, Dominika Polak, Sabine Geiselhart, Piotr Humeniuk, Barbara Bohle, Stefano Alessandri, Rebecca Del Conte, Francesca Cantini, Tomasz Borowski, Merima Bublin, Karin Hoffmann-Sommergruber
Upon binding to certain lipids, the major peach allergen, Pru p 3, undergoes conformational changes thus exposing one dominant IgE epitope. This conformational change enhances the allergenicity of Pru p 3.
July 13, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28709968/specific-allergen-profiles-of-peanut-foods-and-of-diagnostic-or-therapeutic-allergenic-products
#17
Stephanie Filep, Denise Block, Bryan R E Smith, Eva M King, Scott Commins, Michael Kulis, Brian P Vickery, Martin D Chapman
RATIONALE: 'Generic' immunoassays for peanut cannot discriminate between allergen levels in peanut derived food products or therapeutics. Clinical trials of oral immunotherapy are strengthened by using standardized peanut preparations, with defined doses of major allergens. OBJECTIVE: This paper describes measurement of Ara h 1, Ara h 2 and Ara h 6 in peanut foods and in peanut flour extracts used for allergy diagnosis and oral immunotherapy. METHODS: Monoclonal antibody-based enzyme immunoassays for Ara h 1, Ara h 2 and Ara h 6 were used to compare allergen levels in peanut (n=19) and tree nut (n=16) butter, peanut flour (n=11); oils (n=8); extracts used for diagnosis and oral immunotherapy (n=5); and the National Institute for Standards and Technology Peanut Butter Standard Reference Material® 2387...
July 11, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28709967/advances-in-asthma-2016-designing-individualized-approaches-to-management
#18
William C Anderson, Andrea Apter, Cullen M Dutmer, Daniel A Searing, Stanley J Szefler
In this years Advances in Asthma review we discuss viral infections in asthma and potential therapeutic agents, the microbiome, novel genetic associations with asthma, air quality and climate effects on asthma, exposures during development and long term sequelae of childhood asthma, patient centered outcome research, and precision medicine. In addition, we discuss application of biomarkers to precision medicine, and new information on asthma medications. New evidence indicates that rhinovirus-triggered asthma exacerbations become more severe as the degree of sensitization to dust mite and mouse increase...
July 11, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28709966/dose-of-allergens-in-a-peanut-snack-bamba-%C3%A2-associated-with-prevention-of-peanut-allergy
#19
James P Hindley, Stephanie Filep, Denise Block, Eva M King, Martin D Chapman
This letter reports the dose of specific allergens (Ara h 1, Ara h 2 and Ara h 6) in the peanut snack (Bamba(®)) that was successfully used to prevent peanut allergy in the Learning Early About Peanut (LEAP) study. The results provide weekly doses of specific allergen that are associated with prevention of peanut allergy.
July 11, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28689794/results-from-the-5-year-sq-grass-slit-tablet-asthma-prevention-gap-trial-in-children-with-grass-pollen-allergy
#20
Erkka Valovirta, Thomas Houmann Petersen, Teresa Piotrowska, Mette Kongensbjerg Laursen, Jens Strodl Andersen, Helle Frobøse Sørensen, Rabih Klink
BACKGROUND: Allergy immunotherapy targets the immunological cause of allergic rhinoconjunctivitis and allergic asthma and has the potential to alter the natural course of allergic disease. OBJECTIVE: The primary objective was to investigate the effect of the SQ grass SLIT-tablet compared to placebo on the risk of developing asthma. METHODS: 812 children (5-12 years), with a clinically relevant history of grass pollen allergic rhinoconjunctivitis and no medical history or signs of asthma, were included in the randomised, double-blind, placebo-controlled trial, comprising 3 years treatment and 2 years follow-up...
July 6, 2017: Journal of Allergy and Clinical Immunology
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