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Allergic asthma

Mari Saito, Yutaka Kikuchi, Alan Kawarai Lefor, Wakamichi Shimamura
BACKGROUND: Allergen sensitization differs according to countries and regions. Understanding the characteristics of allergen sensitization in one's own country is useful for the treatment of patients with allergic diseases. Recently, Japanese cedar pollen (JCP) sensitization is increasing in young Japanese children. Therefore, we evaluated allergen sensitization patterns in under 60-month-old Japanese recurrent wheezers using multiple allergen tests. METHODS: Allergen tests for 204 Japanese recurrent wheezers between April 2010 and April 2016 were reviewed...
2018: Arerugī, [Allergy]
Tomotaka Kawayama, Takashi Kinoshita, Kazuko Matsunaga, Yoshiko Naito, Jun Sasaki, Yoshikazu Tominaga, Tomoaki Hoshino
Asthma is an allergic disease characterized by chronic airway inflammation, airway hyperresponsiveness (AHR), reversibility and remodeling. Inhaled corticosteroids (ICS) are effective in many patients with asthma. However, ICS are a controlling, but not but curative treatment, and there are still many patients with refractory and difficult-to-treat asthma. The evaluation of airway inflammation by induced sputum, non-specific AHR by methacholine, and asthmatic reactions by specific allergen challenge techniques are useful not only to investigate the pathogenesis of asthma but also to help develop new drugs for asthma management...
March 16, 2018: Kurume Medical Journal
C Incorvaia, S Masieri, C Cavaliere, E Makri, B Sposato, F Frati
A large amount of data show that AR and asthma are associated both epidemiologically and clinically, introducing the definition of “united airway disease”. The mechanisms underlying such association were initially suggested to start from the nose, including the loss of the protective and homeostatic effects of nasal function, the activation of a naso-bronchial reflex and the spread of allergic inflammation from the nose to the lower airways. Later, other factors such as microbial stimuli and systemic inflammatory mechanisms, involving bloodstream and bone marrow, were advocated...
January 2018: Journal of Biological Regulators and Homeostatic Agents
C Incorvaia, C Cavaliere, F Frati, S Masieri
Allergic rhinitis (AR) was long considered a quite trivial disease, but the advance in epidemiological and clinical knowledge, with a major role for Allergic rhinitis and its Impact on Asthma (ARIA) initiative, substantially changed the scene. Now we know that AR has significant effects on patients’ quality of life and also has a relevant economic burden. The ARIA phenotypes related to the duration of symptoms and to the severity of AR are very useful in establishing the optimal strategy in each patient with AR, also according to the kind of allergens that cause rhinitis...
January 2018: Journal of Biological Regulators and Homeostatic Agents
M Sacchetti, I Abicca, A Bruscolini, C Cavaliere, M Nebbioso, A Lambiase
Allergic conjunctivitis (AC) includes a wide spectrum of clinical entities characterized by different incidence, age of onset, natural course, clinical outcome and response to treatment. Taken together, they represent one of the most frequent ocular surface diseases affecting more than 30% of the young-adult population and show an increasing incidence over the years. Moreover, comorbidities with other systemic atopic conditions such as asthma, atopic dermatitis and rhinitis require a multidisciplinary approach...
January 2018: Journal of Biological Regulators and Homeostatic Agents
Lixia Fu, Jing Guan, Yujia Zhang, Pei Ma, Yuanyuan Zhuang, Jinye Bai, Yasi Ding, Qi Hou, Wan Gong, Mingbao Lin, Wensheng Zheng, Jianmin Zhang
Background: Tulobuterol patch, one of strongest bronchodilators, was recently shown to improve bronchial hyperresponsiveness and significantly decrease the sputum eosinophil counts by combining with nonspecific anti-inflammatory drugs on patients with asthma. However, there is limited study on the anti-inflammatory activities of tulobuterol patch and its potential machenism. Results: The tulobuterol patch significantly ameliorated inflammatory cell infiltration in the lung tissue, reduced the number of total leukocytes and its differential count, markedly reduced the production of IL-1β, TNF-α, IL-6, CCL-11 and IL-4 in bronchial alveolar lavage fluid, as well as a reduction in IL-4/IFN-γ ratio...
February 23, 2018: Oncotarget
Mika J Mäkelä, Pär Gyllfors, Erkka Valovirta, Maria A Steffensen, Pernille M Grønager, Johannes Savolainen, Lone Winther
PURPOSE: The SQ tree sublingual immunotherapy (SLIT)-tablet containing allergen extracts with the major allergen Bet v 1 from birch pollen is currently being developed for the treatment of tree pollen-induced allergic rhinitis/conjunctivitis with or without asthma. The aim of this Phase II trial was to investigate the dose-related efficacy and safety of the SQ tree SLIT-tablet. METHODS: This study was a randomized, parallel-group, double-blind, placebo-controlled, multi-national trial conducted in Europe...
March 15, 2018: Clinical Therapeutics
Xuandao Liu, Chew Lip Ng, De Yun Wang
Sublingual immunotherapy (SLIT) has been proven to be safe and effective from an abundance of Western literature, but data from Asia is less complete. This review aims to examine the basic science, safety and efficacy of SLIT in Asian patients, and to determine future research needs in Asia. We performed a literature search on PUBMED, Scopus, and Cochrane Library database for articles on SLIT originating from Asian countries through Nov 2017. There were 18 randomized, double-blind, placebo-controlled trials, of which 9 involved solely paediatric subjects...
March 15, 2018: Allergology International: Official Journal of the Japanese Society of Allergology
Kana R Jat, Dinesh K Walia, Anju Khairwa
BACKGROUND: Cystic fibrosis is an autosomal recessive multisystem disorder with an approximate prevalence of 1 in 3500 live births. Allergic bronchopulmonary aspergillosis is a lung disease caused by aspergillus-induced hypersensitivity with a prevalence of 2% to 15% in people with cystic fibrosis. The mainstay of treatment includes corticosteroids and itraconazole. The treatment with corticosteroids for prolonged periods of time, or repeatedly for exacerbations of allergic bronchopulmonary aspergillosis, may lead to many adverse effects...
March 18, 2018: Cochrane Database of Systematic Reviews
Jessie P Buckley, Lesliam Quirós-Alcalá, Susan L Teitelbaum, Antonia M Calafat, Mary S Wolff, Stephanie M Engel
BACKGROUND: Prenatal environmental phenol and phthalate exposures may alter immune or inflammatory responses leading to respiratory and allergic disease. OBJECTIVES: We estimated associations of prenatal environmental phenol and phthalate biomarkers with respiratory and allergic outcomes among children in the Mount Sinai Children's Environmental Health Study. METHODS: We quantified urinary biomarkers of benzophenone-3, bisphenol A, paradichlorobenzene (as 2,5-dichlorophenol), triclosan, and 10 phthalate metabolites in third trimester maternal samples and assessed asthma, wheeze, and atopic skin conditions via parent questionnaires at ages 6 and 7 years (n = 164 children with 240 observations)...
March 15, 2018: Environment International
Giuseppe Brescia, Claudia Zanotti, Daniela Parrino, Umberto Barion, Gino Marioni
PURPOSE: Endotyping chronic rhinosinusitis with nasal polyps (CRSwNP) poses a challenge for rhinologists nowadays. Phenotyping CRSwNP proved inappropriate as an approach to their classification because of their common clinical features. Endotyping, being based on the pathogenic mechanism, provides a precise picture more appropriate for use in clinical practice. Patients' treatment and follow-up can thus be tailored to cope with the degree of aggressiveness of a specific CRSwNP endotype...
March 7, 2018: American Journal of Otolaryngology
Meenu Singh, Nandini Paul, Shreya Singh, Gyan Ranjan Nayak
Asthma is an allergic, respiratory disorder characterized by hyper responsiveness of the airway to external stimuli. Considerable research is currently being directed towards understanding the role of environmental and genetic factors contributing to the development of asthma and its severity. Recent years have seen a substantial rise in evidence linking fungi to asthma. Few major clinical conditions associated with fungal sensitization and hypersensitive immune response are Allergic bronchopulmonary aspergillosis (ABPA), Allergic fungal rhinosinusitis (AFRS) and Severe asthma with fungal sensitization (SAFS)...
March 17, 2018: Indian Journal of Pediatrics
Elzbieta Weryszko-Chmielewska, Idalia Kasprzyk, Malgorzata Nowak, Aneta Sulborska, Joanna Kaczmarek, Agata Szymanska, Weronika Haratym, Miroslaw Gilski, Malgorzata Jedryczka
The spores of Cladosporium Link. are often present in the air in high quantities and produce many allergenic proteins, which may lead to asthma. An aerobiological spore monitoring program can inform patients about the current spore concentration in air and help their physicians determine the spore dose that is harmful for a given individual. This makes it possible to develop optimized responses and propose personalized therapy for a particular sensitive patient. The aim of this study was to assess the extent of the human health hazard posed by the fungal genus Cladosporium...
March 2018: Journal of Environmental Sciences (China)
Karina Jahnz-Różyk, Joanna Lis, Marta Warchoł, Aleksandra Kucharczyk
BACKGROUND: Allergic asthma is the most prevalent phenotype of severe asthma where treatment with omalizumab (OMB) has been proven to be particularly beneficial. In Poland, OMB therapy is available and reimbursed within a drug programme where strict inclusion and exclusion criteria are defined. The objective of this study was to present a descriptive analysis regarding the trends in outcomes (clinical, quality of life, costs) among a cohort of patients who satisfy inclusion criteria for the initiation of OMB treatment and who successfully responded to OMB according to a set of objective criteria...
March 16, 2018: BMC Pulmonary Medicine
Nicola L D Overton, Axel A Brakhage, Andreas Thywißen, David W Denning, Paul Bowyer
Allergic bronchopulmonary aspergillosis (ABPA) in asthma is a severe, life-affecting disease that potentially affects over 4.8 million people globally. In the UK, ABPA is predominantly caused by the fungus Aspergillus fumigatus. Phagocytosis is important in clearance of this fungus, and Early Endosome Antigen 1 (EEA1) has been demonstrated to be involved in phagocytosis of fungi. We sought to investigate the role of EEA1 mutations and phagocytosis in ABPA. We used exome sequencing to identify variants in EEA1 associated with ABPA...
2018: PloS One
Sophie Laffont, Eve Blanquart, Jean-Charles Guéry
Allergic asthma is a chronic pulmonary inflammatory disease initiated by exposure to normally harmless allergens and marked by bronchial hyperreactivity. It affects more than 300 million people worldwide. Asthma often starts in childhood. Epidemiological studies show that there are sexual disparities in the prevalence and severity of asthma. Before the age of 10, the disease is more common in boys. This tendency reverses at puberty suggesting a regulating role of the sex hormones. In this synthesis, we summarize current knowledge on the role of sex hormones in allergic inflammation, with a particular focus on the impact of androgens on the development and function of recently introduced group 2 innate lymphoid cell subsets (ILC2) as critical actors in the initiation of allergic responses...
March 2018: Médecine Sciences: M/S
Javier Molina-Infante, Carolina Gutierrez-Junquera, Edoardo Savarino, Roberto Penagini, Ines Modolell, Ottavia Bartolo, Alicia Prieto-García, Aurelio Mauro, Javier Alcedo, Antonia Perelló, Carlos Guarner-Argente, Noelia Alcaide, Ana M Vegas, Patricia Barros-García, Marianette Murzi-Pulgar, Monica Perona, Javier P Gisbert, Alfredo J Lucendo
OBJECTIVES: Rising trends in eosinophilic esophagitis (EoE) have been repeatedly linked to declining Helicobacter pylori (H. pylori) infection, mostly in retrospective studies. We aimed to prospectively evaluate this inverse association. METHODS: Prospective case-control study conducted in 23 centers. Children and adults naïve to eradication therapy for H. pylori were included. Cases were EoE patients, whereas controls were defined by esophageal symptoms and <5 eos/HPF on esophageal biopsies...
March 15, 2018: American Journal of Gastroenterology
Marc Humbert, Camille Taillé, Laurence Mala, Vincent Le Gros, Jocelyne Just, Mathieu Molimard
Omalizumab is a monoclonal anti-immunoglobulin E antibody used to treat severe allergic asthma (SAA). The aim of the STELLAIR study was to determine the importance of pre-treatment blood eosinophil count (EOS) as a predictive measure for response to omalizumab. This retrospective real-life study was conducted in France between December 2015 and September 2016 using medical records of SAA omalizumab-treated patients. Response to omalizumab was assessed by three criteria: physician evaluation, reduction of ≥40% in annual exacerbation rate, and combination of both...
March 15, 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
Sébastien Chanoine, Margaux Sanchez, Isabelle Pin, Sofia Temam, Nicole Le Moual, Agnès Fournier, Christophe Pison, Jean Bousquet, Pierrick Bedouch, Marie-Christine Boutron-Ruault, Raphaëlle Varraso, Valérie Siroux
Multi-medication related to multimorbidity is common in the elderly with asthma. We aimed at comprehensively characterizing medications used by elderly women, and assessing how multi-medication impacts on asthma prognosis.We performed network-based analyses on drug administrative databases to visualize the prevalence of drug classes and their interconnections among 17,458 elderly women from the Asthma-E3N study, including 4,328 women with asthma. Asthma groups sharing similar medication profiles were identified by clustering method relying on all medications and were studied in association with adverse asthma events (uncontrolled asthma, attacks/exacerbations, and poor asthma-related quality of life)...
March 15, 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
Q N Yu, Y B Guo, X Li, C L Li, W P Tan, X L Fan, Z L Qin, D Chen, W P Wen, S G Zheng, Q L Fu
BACKGROUND: Group 2 innate lymphoid cells (ILC2s) were closely associated with asthma. However, there were no perspective studies about the effects of glucocorticoid on ILC2s in asthma patients. Our objective was to perform a perspective study and evaluate the ILC2 activity after glucocorticoid therapy in asthma patients. METHODS: The asthma and asthma with allergic rhinitis patients were treated with glucocorticoid for 3 months. The circulating ILC2 levels were evaluated...
March 15, 2018: Allergy
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