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Journal of Allergy and Clinical Immunology

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https://www.readbyqxmd.com/read/28528201/x-linked-carriers-of-chronic-granulomatous-disease-illness-lyonization-and-stability
#1
Beatriz E Marciano, Christa S Zerbe, E Liana Falcone, Li Ding, Suk See DeRavin, Janine Daub, Samantha Kreuzburg, Lynne Yockey, Sally Hunsberger, Ladan Foruraghi, Lisa A Barnhart, Kabir Matharu, Victoria Anderson, Dirk N Darnell, Cathleen Frein, Danielle L Fink, Karen P Lau, Debra A Long Priel, John I Gallin, Harry L Malech, Gulbu Uzel, Alexandra F Freeman, Douglas B Kuhns, Sergio D Rosenzweig, Steven M Holland
BACKGROUND: Chronic granulomatous disease (CGD) is characterized by recurrent life-threatening bacterial and fungal infections and aberrant inflammation. Mutations in CYBB cause X-linked CGD and account for 65%-70% of cases in western countries. OBJECTIVE: To understand the clinical manifestations associated with the X-linked CGD carrier state. METHODS: We undertook a comprehensive retrospective study of 162 affected females. We examined dihydrorhodamine oxidation (DHR) data for percent (%) X chromosome inactivation...
May 17, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28528200/sputum-transcriptomics-reveal-up-regulation-of-il-1-receptor-family-members-in-severe-asthma
#2
Christos Rossios, Stelios Pavlidis, Uruj Hoda, Chih-Hsi Kuo, Coen Wiegman, Kirsty Russell, Kai Sun, Matthew J Loza, Frederic Baribaud, Andrew L Durham, Oluwaseun Ojo, Rene Lutter, Anthony Rowe, Aruna Bansal, Charles Auffray, Ana Sousa, Julie Corfield, Ratko Djukanovic, Yike Guo, Peter J Sterk, Kian Fan Chung, Ian M Adcock
BACKGROUND: Sputum analysis in asthma is used to define airway inflammatory processes and may guide therapy. OBJECTIVE: To determine differential gene and protein expression in sputum samples from patients with severe asthma (SA) compared to mild-moderate non-smoking asthmatics (MMA). METHODS: Induced sputum was obtained from non-smoking SA (SAn), smokers/ex-smokers with SA (SAsm), MMA and healthy non-smoking controls. Differential cell counts, microarray analysis of cell pellets and SOMAscan analysis of sputum analytes was performed...
May 17, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28526624/guideline-recommendations-on-the-use-of-allergen-immunotherapy-in-house-dust-mite-allergy-time-for-a-change
#3
Moisés A Calderón, Jean Bousquet, G Walter Canonica, Lars-Olaf Cardell, Dolores Hernandez Fernandez de Rojas, Jörg Kleine-Tebbe, Pascal Demoly
Guidelines on the treatment of asthma, allergic rhinitis (AR) and allergen immunotherapy (AIT) lack recommendations for house dust mite (HDM) allergy. An expert panel reviewed current guidelines in the light of new data, to assess whether guidelines could be improved. Most guidelines and key position papers did not provide specific recommendations on treatment of allergic asthma (AA) caused by HDM allergy, although some included AIT as a treatment option for AA in general. Around half of the guidelines stated that AIT with HDM extract was an effective treatment for AR, with several indicating sublingual immunotherapy (SLIT) as an option...
May 16, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28526623/allergooncology-ige-and-igg4-mediated-immune-mechanisms-linking-allergy-with-cancer-and-their-translational-implications
#4
EDITORIAL
Erika Jensen-Jarolim, Michelle C Turner, Sophia N Karagiannis
No abstract text is available yet for this article.
May 16, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28526622/9-cis-retinoic-acid-modulates-the-type-i-allergic-immune-response
#5
Guido Heine, Tim Hollstein, Sandra Treptow, Andreas Radbruch, Margitta Worm
BACKGROUND: Vitamin A is a potent regulator of adaptive immunity. The impact of the endogenous metabolite 9-cis retinoic acid (9cRA) on allergic sensitization is unknown. OBJECTIVE: To investigate whether and to what extent 9cRA modulates the humoral immune response. METHODS: BALB/c mice were sensitized and challenged with ovalbumin (OVA). 9cRA was applied repeatedly together with the antigen. Immunoglobulin production and cellular analysis were performed by ELISA, ELISPOTs and flow-cytometry...
May 16, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28506853/expression-of-semaphorin-3e-is-suppressed-in-severe-asthma
#6
Hesam Movassagh, Lianyu Shan, Jamila Chakir, John F McConville, Andrew J Halayko, Latifa Koussih, Abdelilah S Gounni
The level of a previously unknown mediator, Semaphorin 3E, is diminished in the airways of severe allergic asthmatic patients. This study suggests a potential role of Semaphorin3E in the pathogenesis of asthma severity.
May 12, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28506852/pulmonary-inflammation-in-copd-patients-with-higher-blood-eosinophil-counts
#7
Umme Kolsum, Gautam Damera, Tuyet-Hang Pham, Thomas Southworth, Sarah Mason, Pradeep Karur, Paul Newbold, Dave Singh
The different nature of airway inflammation in COPD patients with higher blood eosinophil counts supports the concept of eosinophilic COPD being a subgroup of patients with distinct characteristics.
May 12, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28506851/immunocap-cellulose-displays-cross-reactive-carbohydrate-ccd-epitopes-and-can-cause-false-positive-test-results-in-patients-with-high-anti-ccd-ige-antibody-levels
#8
Wolfgang Hemmer, Friedrich Altmann, Friedrich Holzweber, Clemens Gruber, Felix Wantke, Stefan Wöhrl
RATIONALE: Cross-reactive carbohydrate determinants (CCDs) in plants and insect venoms are a common cause of irrelevant positive test results during in-vitro allergy diagnosis. We observed that some CCD-positive sera show non-specific IgE-binding even with CCD-free recombinant allergens when using the Phadia ImmunoCAP platform. OBJECTIVE: We investigated if cellulose used as allergen carrier in the ImmunoCAP harbors residual N-glycans causing non-specific background-binding in CCD-positive sera...
May 12, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28506850/neutrophil-extracellular-traps-are-associated-with-disease-severity-and-microbiota-diversity-in-chronic-obstructive-pulmonary-disease
#9
Alison J Dicker, Megan L Crichton, Eleanor G Pumphrey, Andrew J Cassidy, Guillermo Suarez-Cuartin, Oriol Sibila, Elizabeth Furrie, Christopher J Fong, Wasyla Ibrahim, Gill Brady, Gisli G Einarsson, J Stuart Elborn, Stuart Schembri, Sara E Marshall, Colin Na Palmer, James D Chalmers
BACKGROUND: Neutrophil extracellular traps (NETs) have been observed in the airway in COPD, but their clinical and pathophysiological implications have not been defined. OBJECTIVE: To determine if NETs are associated with disease severity in COPD, and how they are associated with microbiota composition and airway neutrophil function. METHODS: NET protein complexes (DNA-Elastase and Histone-Elastase complexes), cell free DNA and neutrophil biomarkers were quantified in soluble sputum and serum from COPD patients during periods of disease stability and during exacerbations, and compared to clinical measures of disease severity and sputum microbiome...
May 12, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28506849/phase-2-to-phase-3-clinical-trial-transitions-reasons-for-success-and-failure-in-immunologic-diseases
#10
EDITORIAL
Dhavalkumar D Patel, Christian Antoni, Steven J Freedman, Marc C Levesque, John S Sundy
No abstract text is available yet for this article.
May 12, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28506848/inflammatory-marker-analysis-in-psoriatic-skin-under-topical-phospodiesterase-4-inhibitor-treatment
#11
Lennart M Roesner, Petra Kienlin, Gabriele Begemann, Oliver Dittrich-Breiholz, Thomas Werfel
Topical formulations of the two PDE4i roflumilast and TAK-084 lead to a reduction of inflammatory markers and infiltrating cells in psoriatic lesional skin.
May 12, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28506847/a-short-course-of-gamma-tocopherol-mitigates-lps-induced-inflammatory-responses-in-humans-ex-vivo
#12
Allison J Burbank, Charity G Duran, Martha Almond, Heather Wells, Sha'Leema Jenkins, Qing Jiang, Chao Yang, Ting Wang, Haibo Zhou, Michelle L Hernandez, David B Peden
Vitamin E, gamma-tocopherol (γT), possesses unique anti-inflammatory activities. A short course of γT supplementation in healthy adults reduced inflammatory cytokine production and gene expression following ex vivo LPS challenge of PBMCs.
May 12, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28506846/allergen-specific-immunotherapy-modulates-the-balance-of-circulating-tfh-and-tfr-cells
#13
Veronique Schulten, Victoria Tripple, Grégory Seumois, Yu Qian, Richard H Scheuermann, Zheng Fu, Michela Locci, Sandy Rosales, Pandurangan Vijayanand, Alessandro Sette, Rafeul Alam, Shane Crotty, Bjoern Peters
Follicular helper T cells (Tfh cells) are a CD4 T cell subset essential for germinal center formation and B cell responses, although their role in allergy and allergen-specific immunotherapy (AIT) is unclear. Here, we show that AIT-treated patients have a higher ratio of regulatory Tfh cells (Tfr) to follicular T cells (Tfh) and hypothesize an IL-2 dependent mechanism.
May 12, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28502825/treatment-of-severe-forms-of-lps-responsive-beige-like-anchor-protein-lrba-deficiency-by-allogeneic-hematopoietic-stem-cell-transplantation
#14
Markus G Seidel, Katrin Böhm, Figen Dogu, Austen Worth, Adrian Thrasher, Benoit Florkin, Aydan İkincioğulları, Anke Peters, Shahrzad Bakhtiar, Marie Meeths, Polina Stepensky, Isabelle Meyts, Svetlana O Sharapova, Laura Gámez-Díaz, Lennart Hammarström, Stephan Ehl, Bodo Grimbacher, Andrew R Gennery
LRBA deficiency, a life-threatening immunodeficiency/autoimmunity disorder, was treated by HSCT in 12 patients, four of whom died from transplant-related causes. Six patients were cured without further need of immunosuppression, and two are in partial remission.
May 10, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28502824/human-group-2-innate-lymphoid-cells-do-not-express-the-il-5-receptor
#15
Adam K A Wright, Cathryn Weston, Batika M J Rana, Christopher E Brightling, David J Cousins
Group 2 innate lymphoid cells (ILC2s) are upstream regulators of IL-5-dependent eosinophil function in asthma. We've shown that ILC2s do not express the IL-5R and thus IL-5R-dependent therapeutic interventions (e.g. Benralizumab) are unlikely to be mediated directly on ILC2s.
May 10, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28502823/niaid-niehs-nhlbi-mcan-workshop-report-the-indoor-environment-and-childhood-asthma-implications-for-home-environmental-intervention-in-asthma-prevention-and-management
#16
Diane R Gold, Gary Adamkiewicz, Syed Hasan Arshad, Juan C Celedón, Martin D Chapman, Ginger L Chew, Donald N Cook, Adnan Custovic, Ulrike Gehring, James E Gern, Christine C Johnson, Suzanne Kennedy, Petros Koutrakis, Brian Leaderer, Herman Mitchell, Augusto A Litonjua, Geoffrey A Mueller, George T O'Connor, Dennis Ownby, Wanda Phipatanakul, Victoria Persky, Matthew S Perzanowski, Clare D Ramsey, Päivi M Salo, Julie M Schwaninger, Joanne E Sordillo, Avrum Spira, Shakira F Suglia, Alkis Togias, Darryl C Zeldin, Elizabeth C Matsui
Environmental exposures have been recognized as critical in the initiation and exacerbation of asthma, one of the most common chronic childhood diseases. The National Institute of Allergy and Infectious Diseases (NIAID), National Institute of Environmental Health Sciences (NIEHS), National Heart, Lung, and Blood Institute (NHLBI), and Merck Childhood Asthma Network (MCAN) sponsored a joint workshop to discuss the current state of the science with respect to the indoor environment and its effects on the development and morbidity of childhood asthma...
May 10, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28501347/defective-protein-prenylation-is-a-diagnostic-biomarker-of-mevalonate-kinase-deficiency
#17
Marcia A Munoz, Julie Jurczyluk, Sam Mehr, Ryan C Chai, Rob J W Arts, Angela Sheu, Chelsea McMahon, Jacqueline R Center, Davinder Singh-Grewal, Jeffrey Chaitow, Dianne E Campbell, Julian M W Quinn, Kirill Alexandrov, Zakir Tnimov, Stuart G Tangye, Anna Simon, Tri Giang Phan, Michael J Rogers
No abstract text is available yet for this article.
May 4, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28479336/desiccating-stress-worsens-alkali-burn-injury-by-magnifying-caspase-8-induced-imbalance-of-nlrp3-and-nlrp6
#18
Xia Hua, Xiaoyong Yuan, Yonghao Li, Hui Chen, Jin Yuan, Silvia Tanumiharjo, Fang Bian, Lishi Su, Yanhua Hong, Yizhi Liu, Wei Chi
We reveal novel discoveries of an innate immune pathway mediated by the imbalanced activation of NLRP3 and NLRP6 promoted by caspase-8 activation in AB and secondary dry eye and create new intervention strategies to treat inflammatory diseases.
May 4, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28479335/allergen-specific-igg-antibodies-signaling-via-fc%C3%AE-riib-promote-food-tolerance
#19
Oliver T Burton, Jaciel M Tamayo, Amanda J Stranks, Kyle J Koleoglou, Hans C Oettgen
BACKGROUND: Food-allergic subjects produce high-titer IgE antibodies that bind to mast cells via FcεRI and trigger immediate hypersensitivity reactions upon antigen encounter. Food-specific IgG antibodies arise in the setting of naturally resolving food allergy and accompany the acquisition of food allergen unresponsiveness in oral immunotherapy (OIT). OBJECTIVE: In this study, we sought to delineate the effects of IgG and its inhibitory Fc receptor, FcγRIIb, on both de novo allergen sensitization in naïve animals and on established immune responses in the setting of pre-existing food allergy...
May 4, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28479334/cdc42-related-genes-are-upregulated-in-helper-t-cells-from-obese-asthmatic-children
#20
Deepa Rastogi, John Nico, Andrew D Johnston, Toni Adrianne M Tobias, Yurydia Jorge, Fernando Macian, John M Greally DMed
BACKGROUND: Pediatric obesity-related asthma is more severe and less responsive to medications than asthma in normal-weight children. Obese asthmatic children have nonatopic TH1-polarized systemic inflammation that correlates with pulmonary function deficits, but the pathways underlying TH1-polarized inflammation are not well understood. OBJECTIVE: We compared the CD4(+) T-cell transcriptome in obese children with asthma with that in normal-weight children with asthma to identify key differentially expressed genes associated with TH1-polarized inflammation...
May 4, 2017: Journal of Allergy and Clinical Immunology
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