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Allergy, Asthma, and Clinical Immunology

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https://read.qxmd.com/read/30697248/west-nile-virus-encephalitis-in-gata2-deficiency
#1
Jaime S Rosa, Shanthi Kappagoda, Amy P Hsu, Joie Davis, Steven M Holland, Anne Y Liu
We report a male with longstanding warts who presented with severe West Nile virus encephalitis (WNVE) and recovered after interferon alfa-2b and intravenous immunoglobulin. He was later found to have GATA2 deficiency and underwent successful hematopoietic stem cell transplant.
2019: Allergy, Asthma, and Clinical Immunology
https://read.qxmd.com/read/30675173/dermatomyositis-associated-with-omalizumab-therapy-for-severe-asthma-a-case-report
#2
Samira Jeimy, Pari Basharat, Fiona Lovegrove
Background: Omalizumab is a humanized monoclonal antibody widely used for treatment of persistent allergic asthma and antihistamine-refractory chronic urticaria. Immediate adverse events to omalizumab are well characterized. Delayed anaphylactoid and serum sickness-like reactions have also been described; however, their relationship to the drug remains uncertain, and the frequency is unknown. Case presentation: We present a case of a 59-year old female who developed amyopathic dermatomyositis (DM) after receiving omalizumab infusions for steroid-refractory severe asthma...
2019: Allergy, Asthma, and Clinical Immunology
https://read.qxmd.com/read/30675172/a-retrospective-study-of-clinical-features-of-cough-variant-asthma-in-chinese-adults
#3
Weiping Liu, Huaping Chen, Dehua Zhang, Feng Wu, Liqin Zhou
Background: Clinical features of cough variant asthma (CVA) in Chinese adults are largely uncertain. Methods: A total of 303 patients newly diagnosed as uncontrolled asthma (symptom control and future risk of adverse outcomes), including 175 CVA and 128 classic asthma (CA), were enrolled in this retrospective survey. Clinical features including basic characteristics, pulmonary function, airway hyperresponsiveness (AHR) and cell counts of induced sputum, were compared retrospectively...
2019: Allergy, Asthma, and Clinical Immunology
https://read.qxmd.com/read/30622570/-il2rg-hypomorphic-mutation-identification-of-a-novel-pathogenic-mutation-in-exon-8-and-a-review-of-the-literature
#4
Che Kang Lim, Hassan Abolhassani, Sofia K Appelberg, Mikael Sundin, Lennart Hammarström
Background: Atypical X-linked severe combined immunodeficiency (X-SCID) is a variant of cellular immunodeficiency due to hypomorphic mutations in the interleukin 2 receptor gamma ( IL2RG ) gene. Due to a leaky clinical phenotype, diagnosis and appropriate treatment are challenging in these patients. Case presentation: We report a 16-year-old patient with a Tlow B+ NK+ cellular immunodeficiency due to a novel nonsense mutation in exon 8 (p.R328X) of the IL2RG gene...
2019: Allergy, Asthma, and Clinical Immunology
https://read.qxmd.com/read/30622569/melkersson-rosenthal-syndrome-a-case-report-of-a-rare-disease-with-overlapping-features
#5
Mauro Cancian, Stefano Giovannini, Annalisa Angelini, Marny Fedrigo, Raffaele Bendo, Riccardo Senter, Stefano Sivolella
Background: Melkersson-Rosenthal syndrome (MRS) is a rare, neuro-mucocutaneous disease which presents as orofacial swelling, facial palsy and fissured tongue. These symptoms may occur simultaneously or, more frequently, with a oligosymptomatic or monosymptomatic pattern. Swelling, that is the most common initial finding, may mimic hereditary or acquired angioedema, a disorder caused by histamine or bradykinin-mediated plasma-leakage affecting subcutaneous and/or submucosal tissue. The differential diagnosis of MRS includes also chronic inflammatory and infective diseases characterized by granulomatous infiltration, as well as rosacea, contact dermatitis, allergic reactions and Bell's palsy...
2019: Allergy, Asthma, and Clinical Immunology
https://read.qxmd.com/read/30603020/airway-reversibility-in-asthma-and-phenotypes-of-th2-biomarkers-lung-function-and-disease-control
#6
Jianghong Wei, Libing Ma, Jiying Wang, Qing Xu, Meixi Chen, Ming Jiang, Miao Luo, Jingjie Wu, Weiwei She, Shuyuan Chu, Biwen Mo
Background: High bronchodilator reversibility in adult asthma is associated with distinct clinical characteristics. In this study, we aim to make a comparison with T-helper 2 (Th2)-related biomarkers, lung function and asthma control between asthmatic patients with high airway reversibility (HR) and low airway reversibility (LR). Methods: Patients with asthma diagnosed by pulmonologist according to Global Initiative for Asthma guidelines were recruited from the outpatient department of our hospital from August 2014 to July 2017...
2018: Allergy, Asthma, and Clinical Immunology
https://read.qxmd.com/read/30574169/dose-omission-to-shorten-methacholine-challenge-testing-clinical-consequences-of-the-use-of-a-10-fall-in-fev-1-threshold
#7
Valérie Lévesque, Claude Poirier, Bruno-Pierre Dubé
Introduction: In methacholine challenge testing (MCT), skipping a methacholine dose is suggested if FEV1  falls by < 5%. Using a larger threshold may further shorten test duration, but data supporting this hypothesis is lacking. We evaluated the safety and consequences of using a 10% FEV1  fall as threshold to skip the next dose of methacholine in patients undergoing MCT. Methods: We reviewed MCTs performed in our center in 2017-2018. A ≤ 10% FEV1  fall allowed the omission of the next methacholine dose...
2018: Allergy, Asthma, and Clinical Immunology
https://read.qxmd.com/read/30574168/serum-periostin-levels-in-adults-of-chinese-descent-an-observational-study
#8
Evan Tan, Rachel Varughese, Ruth Semprini, Barney Montgomery, Cecile Holweg, Julie Olsson, Rachel Caswell-Smith, James Fingleton, Mark Weatherall, Richard Beasley, Irene Braithwaite
Background: Periostin has been shown to be a marker of Type 2 airway inflammation, associated with airway eosinophilia. It has a potential role in identifying asthmatics who may be responsive to treatment with monoclonal antibody therapy directed against Type 2 cytokines, such as interleukin (IL)-13, IL-4 receptor subunit-α and immunoglobulin E. The clinical utility of periostin measurements depends on better understanding of factors that may affect serum periostin levels, such as race...
2018: Allergy, Asthma, and Clinical Immunology
https://read.qxmd.com/read/30574167/superior-effect-of-mp-azeflu-than-azelastine-or-fluticasone-propionate-alone-on-reducing-inflammatory-markers
#9
Jordi Roca-Ferrer, Laura Pujols, Maria Pérez-González, Isam Alobid, Borja Callejas, Sònia Vicens-Artés, Mireya Fuentes, Antonio Valero, César Picado, Dennis Castor, DucTung Nguyen, Joaquim Mullol
Background: MP-AzeFlu, intranasal formulation of azelastine hydrochloride (AZE) and fluticasone propionate (FP), is superior to AZE or FP alone for treatment of allergic rhinitis (AR). However, the precise anti-inflammatory mechanism of action of MP-AzeFlu has not been characterized. Objective: To investigate the anti-inflammatory effects of MP-AzeFlu compared with AZE or FP alone in an established in vitro model of eosinophilic inflammation. Methods: Nasal mucosal epithelial cells and peripheral blood eosinophils were obtained from human volunteers...
2018: Allergy, Asthma, and Clinical Immunology
https://read.qxmd.com/read/30574166/review-of-cold-induced-urticaria-characteristics-diagnosis-and-management-in-a-western-canadian-allergy-practice
#10
Peter Stepaniuk, Kateryna Vostretsova, Amin Kanani
Background: Cold-induced urticaria is a significant condition, especially among young females. Despite the morbidity of this disease, studies that fully characterize the disease are limited. Methods: We analyzed the characteristics of patients diagnosed with cold-induced urticaria at a community-based allergy practice in Vancouver, BC, Canada between 2003 and 2016. Detailed patient history, diagnostic measures and treatment were evaluated. Results: A total of 50 patients were found to have active cold-induced urticaria with a median age of 28...
2018: Allergy, Asthma, and Clinical Immunology
https://read.qxmd.com/read/30534163/environmental-exposure-to-agrochemicals-and-allergic-diseases-in-preschool-children-in-high-grown-tea-plantations-of-sri-lanka
#11
Sanath Thushara Kudagammana, Keerthi Mohotti
Background: Exposure to agrochemicals is one of the many aetiological agents, postulated to cause allergic diseases. In this study, we have compared the prevalence of allergic diseases among preschool children growing in environments exposed to agrochemicals and artificial fertilizers with those who are not exposed to them. Methods: Our study was conducted on preschool children in two tea estates in the hill country of Sri Lanka, one using conventional agricultural practices and the other using organic practices...
2018: Allergy, Asthma, and Clinical Immunology
https://read.qxmd.com/read/30479631/the-diagnosis-of-hereditary-angioedema-with-c1-inhibitor-deficiency-a-survey-of-canadian-physicians-and-laboratories
#12
Xavier Charest-Morin, Stephen Betschel, Rozita Borici-Mazi, Amin Kanani, Gina Lacuesta, Georges-Étienne Rivard, Eric Wagner, Susan Wasserman, Bill Yang, Christian Drouet
Background: Hereditary angioedema due to C1 inhibitor deficiency (C1-INH-HAE) is an autosomal dominant disease resulting in random and unpredictable attacks of swelling. The swelling in C1-INH-HAE is a result of impaired regulation of bradykinin production. The fact that the array of tests needed to diagnose HAE is not always available to the treating physicians is challenging for them and their patients. Methods: The data for this article were extracted from two distinct surveys...
2018: Allergy, Asthma, and Clinical Immunology
https://read.qxmd.com/read/30479630/prevalence-of-allergic-and-nonallergic-rhinitis-in-a-rural-area-of-northern-china-based-on-sensitization-to-specific-aeroallergens
#13
Yanran Huang, Yuan Zhang, Luo Zhang
Background: Most epidemiologic studies reporting prevalence of allergic rhinitis (AR) and nonallergic rhinitis (NAR) have assessed solely self-reported prevalence, without confirmation by objective measures. Furthermore, reports of prevalence of NAR in Chinese subjects are scarce. Thus, we aimed to explore the prevalence and risk factors of AR and NAR in a Chinese, based on both clinical manifestation and allergic status. Methods: We conducted a population-based cross-sectional survey, involving 1084 local residents from a rural area of Beijing, China...
2018: Allergy, Asthma, and Clinical Immunology
https://read.qxmd.com/read/30479629/eligibility-of-monoclonal-antibody-based-therapy-for-patients-with-severe-asthma-a-canadian-cross-sectional-perspective
#14
Samira Jeimy, Michael William Tsoulis, Julie Hachey, Harold Kim
Background: Based on immunologic phenotypes underlying asthma, use of monoclonal antibody based therapies is becoming the new standard of care for severe, corticosteroid refractory clinical symptoms. Patients may qualify for one or more of these targeted treatments, based on clinical characteristics and approved indications. However, the statistics are not well characterized, particularly in the Canadian population. Methods: The objective of this observational study was to identify and describe the proportion of patients with severe asthma who were eligible for targeting IgE, IL-5, or both pathways of immunomodulation...
2018: Allergy, Asthma, and Clinical Immunology
https://read.qxmd.com/read/30473714/characterization-of-tenascin-c-as-a-novel-biomarker-for-asthma-utility-of-tenascin-c-in-combination-with-periostin-or-immunoglobulin-e
#15
Mina Yasuda, Norihiro Harada, Sonoko Harada, Ayako Ishimori, Yoko Katsura, Yukinari Itoigawa, Kei Matsuno, Fumihiko Makino, Jun Ito, Junya Ono, Kazunori Tobino, Hisaya Akiba, Ryo Atsuta, Kenji Izuhara, Kazuhisa Takahashi
Background: Extracellular matrix proteins tenascin-C (TNC) and periostin, which were identified as T-helper cell type 2 cytokine-induced genes in human bronchial epithelial cells, accumulate in the airway basement membrane of asthmatic patients. Although serum periostin has been accepted as a type 2 biomarker, serum TNC has not been evaluated as a systemic biomarker in asthma. Therefore, the objective of this study was to evaluate whether serum TNC can serve as a novel biomarker for asthma...
2018: Allergy, Asthma, and Clinical Immunology
https://read.qxmd.com/read/30473713/fetal-cord-blood-and-tissue-immune-responses-to-chronic-placental-inflammation-and-chorioamnionitis
#16
Anne Marie Singh, Michael G Sherenian, Kwang-Youn Kim, Kristin A Erickson, Amy Yang, Karen Mestan, Linda M Ernst, Rajesh Kumar
Background: Chorioamnionitis is a risk factor for future asthma development. Animal models of chorioamnionitis demonstrate increased TH 17-to-Treg ratios associated with proinflammatory cytokine elevations. The association of chorioamnionitis on human neonatal immune cells systemically and within tissues is not known. Methods: We enrolled two cohorts to evaluate TH 17 and regulatory T cell (Treg ) phenotypic markers in chorioamnionitis. From a cohort of 19 live birth infants, we collected cord blood and placenta samples to evaluate for signs of acute and chronic histologic inflammation and cell phenotype characterization...
2018: Allergy, Asthma, and Clinical Immunology
https://read.qxmd.com/read/30473712/the-clinical-burden-of-allergic-rhinitis-in-five-middle-eastern-countries-results-of-the-snapshot-program
#17
Ahmed Al-Digheari, Bassam Mahboub, Hesham Tarraf, Taskin Yucel, Isabella Annesi-Maesano, Adam Doble, Aaicha Lahlou, Luqman Tariq, Fayaz Aziz, Abdelkader El Hasnaoui
Background: The SNAPSHOT program provides current data on the allergic rhinitis burden in the adult general population of five Middle Eastern countries (Egypt, Turkey, Kuwait, Saudi Arabia and the United Arab Emirates, the latter three grouped into a Gulf cluster). Methods: A multi-country, cross-sectional, epidemiological program conducted by telephone in a random sample of the adult general population; quotas were defined per country demographics. Subjects were screened for allergic rhinitis using the Score For Allergic Rhinitis questionnaire...
2018: Allergy, Asthma, and Clinical Immunology
https://read.qxmd.com/read/30459818/hematopoietic-cell-transplantation-for-asymptomatic-x-linked-lymphoproliferative-syndrome-type-1
#18
Akihiro Tamura, Suguru Uemura, Nobuyuki Yamamoto, Atsuro Saito, Aiko Kozaki, Kenji Kishimoto, Toshiaki Ishida, Daiichiro Hasegawa, Haruka Hiroki, Tsubasa Okano, Kohsuke Imai, Tomohiro Morio, Hirokazu Kanegane, Yoshiyuki Kosaka
Background: X-linked lymphoproliferative disease type 1 (XLP1) is a rare primary immune deficiency, which is caused by SH2D1A gene mutations. XLP1 is commonly associated with Epstein-Barr virus (EBV)-associated hemophagocytic lymphohistiocytosis, hypogammaglobulinemia, and/or lymphoma. The only curative treatment for XLP1 is allogeneic hematopoietic cell transplantation. However, published data detailing the clinical course of, and indications for, allogeneic hematopoietic cell transplantation in asymptomatic patients with XLP1 is lacking...
2018: Allergy, Asthma, and Clinical Immunology
https://read.qxmd.com/read/30459817/aberrant-localization-of-foxj1-correlates-with-the-disease-severity-and-comorbidities-in-patients-with-nasal-polyps
#19
Yang Peng, Wei-Jie Guan, Kai Sen Tan, Zhenchao Zhu, Zhuo Chen, Haiyu Hong, Zhaoni Wang, Tengfei Tian, Xiaoxue Zi, Yew Kwang Ong, Mark Thong, Li Shi, Qintai Yang, Qianhui Qiu, De-Yun Wang
Background: Upper airway inflammatory diseases are associated with abnormal expression of nasal epithelial forkhead-box J1 (FOXJ1) which regulates motile cilia formation. We sought to investigate whether aberrant FOXJ1 localizations correlate with the disease severity and the co-existence of allergic rhinitis (AR) or asthma in patients with nasal polyps (NPs). Methods: We elucidated localization patterns of FOXJ1 by performing immunofluorescence assays in nasal specimens and cytospin samples from controls and patients with NPs...
2018: Allergy, Asthma, and Clinical Immunology
https://read.qxmd.com/read/30459816/subcutaneous-immunotherapy-induces-alterations-in-monocytes-and-dendritic-cells-homeostasis-in-allergic-rhinitis-patients
#20
Letícia Sousa, Carmen Martín-Sierra, Celso Pereira, Graça Loureiro, Beatriz Tavares, Susana Pedreiro, António Martinho, Artur Paiva
Background: Specific subcutaneous immunotherapy (SCIT) can achieve long-term remission in patients with allergic rhinitis (AR) through complex and still unknown mechanisms. The aim of this study is to evaluate the effect of SCIT over CD16+ and CD16- monocytes, myeloid (mDCs) and plasmacytoid dendritic cells (pDCs) in patients with AR, comparatively to pharmacological standard treatment (non-SIT). Methods: The relative frequency and absolute number of monocytes and DC subsets, the frequency of these cells producing TNFα after in vitro stimulation with Dermatophagoides pteronyssinus (Dpt) extract, and the expression levels of receptor-bound IgE or IgG were assessed by flow cytometry, in peripheral blood samples from 23 healthy individuals (HG) and 43 participants with AR mono-sensitized to Dpt; 10 with non-SIT treatment and 33 under SCIT, just before (SCIT-T0) and 4 h after administration (SCIT-T4)...
2018: Allergy, Asthma, and Clinical Immunology
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