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Non-allergic asthma

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https://www.readbyqxmd.com/read/28800272/omalizumab-in-non-allergic-asthma-a-report-of-13-cases
#1
Zeynep Çelebi Sözener, Ömür Aydın, Zeynep Mısırlıgil, Dilşad Mungan, Yavuz Selim Demirel, Gülfem E Çelik, Betül A Sin, Sevim Bavbek
BACKGROUND: There are limited data regarding the effectiveness of omalizumab in patients with non-allergic asthma. OBJECTIVE: To evaluate the clinical and functional effectiveness of omalizumab in patients with non-allergic asthma. METHODS: The study was a single-center, retrospective chart review of patients with non-allergic asthma who were treated with add-on omalizumab between February 2014 and March 2016. After omalizumab was started, data of the Asthma Control Test(ACT), pulmonary function test, and daily oral corticosteroid(OCS) dosage were collected at baseline, 16 weeks, 1 year, 2 and 3 years (if available)...
August 11, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28775219/assessment-of-dietary-food-and-nutrient-intake-and-bone-density-in-children-with-eczema
#2
T F Leung, S S Wang, F Y Kwok, L W Leung, C M Chow, E K Hon
INTRODUCTION: Dietary restrictions are common among patients with eczema, and such practice may lead to diminished bone mineral density. This study investigated dietary intake and bone mineral density in Hong Kong Chinese children with eczema. METHODS: This cross-sectional and observational study was conducted in a university-affiliated teaching hospital in Hong Kong. Chinese children aged below 18 years with physician-diagnosed eczema were recruited from our paediatric allergy and dermatology clinics over a 6-month period in 2012...
August 4, 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28775094/x-ray-based-lung-function-measurement-reveals-persistent-loss-of-lung-tissue-elasticity-in-mice-recovered-from-allergic-airway-inflammation
#3
Marietta Andrea Markus, Sergej Borowik, Marius Reichardt, Giuliana Tromba, Frauke Alves, Christian Dullin
Chronic asthma patients experience difficulties even years after the inciting allergen. Although studies in small animal asthma models have enormously advanced progress in uncovering the mechanisms of inception and development of the disease, little is known about the processes involved in the persistence of asthma symptoms in the absence of allergen exposure. Long term asthma mouse models have so far been scarce or not been able to reproduce the findings in patients. Here we used a common ovalbumin induced acute allergic airway inflammation mouse model to study lung function and remodeling after a four months recovery period...
August 3, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28774699/pulmonary-and-sinus-fungal-diseases-in-non-immunocompromised-patients
#4
REVIEW
David W Denning, Arunaloke Chakrabarti
The human respiratory tract is exposed daily to airborne fungi, fungal enzymes, and secondary metabolites. The endemic fungi Histoplasma capsulatum, Coccidioides spp, Blastomyces dermatitidis, and Paracoccidioides brasiliensis, and occasionally Aspergillus fumigatus, are primary pulmonary pathogens of otherwise healthy people. Such infections resolve in most people, and only a few infections lead to disease. However, many fungi are directly allergenic by colonising the respiratory tract or indirectly through contact with cell wall constituents and proteases, causing or exacerbating allergic disease...
July 31, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28756630/dna-methylation-of-th2-lineage-determination-genes-at-birth-is-associated-with-allergic-outcomes-in-childhood
#5
Sheila Barton, Sherry Ngo, Paula Costello, Emma Garratt, Sarah El-Heis, Elie Antoun, Rebecca Clarke-Harris, Robert Murray, Tejal Bhatt, Graham Burdge, Cyrus Cooper, Hazel Inskip, Eline M van der Beek, Allan Sheppard, Keith M Godfrey, Karen A Lillycrop
BACKGROUND: There is now increasing evidence that asthma and atopy originate in part in utero, with disease risk being associated with the altered epigenetic regulation of genes. OBJECTIVE AND METHODS: To determine the relationship between variations in DNA methylation at birth and the development of allergic disease, we examined the methylation status of CpG loci within the promoter regions of Th1/2 lineage commitment genes (GATA3, IL-4, IL-4R, STAT4 and TBET) in umbilical cord DNA at birth in a cohort of infants from the Southampton Women's Survey (n=696) who were later assessed for asthma, atopic eczema and atopy...
July 30, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28742120/virus-induced-asthma-attack-the-importance-of-allergic-inflammation-in-response-to-viral-antigen-in-an-animal-model-of-asthma
#6
Christopher Skappak, Ramses Ilarraza, Ying-Qi Wu, Matthew G Drake, Darryl J Adamko
Asthma exacerbation can be a life-threatening condition, and is most often triggered by common respiratory viruses. Poor asthma control and worsening of respiratory function is associated with increased airway inflammation, including eosinophilia. Prevention of asthma exacerbation relies on treatment with corticosteroids, which preferentially inhibit allergic inflammation like eosinophils. Human studies demonstrate that inactivated virus can trigger eosinophil activation in vitro through antigen presentation and memory CD4+ lymphocytes...
2017: PloS One
https://www.readbyqxmd.com/read/28737932/ins-and-outs-in-environmental-and-occupational-safety-studies-of-asthma-and-engineered-nanomaterials
#7
Marina A Dobrovolskaia, Michael R Shurin, Valerian E Kagan, Anna A Shvedova
According to the Centers for Disease Control and Prevention, approximately 25 million Americans suffer from asthma. The disease total annual cost is about $56 billion and includes both the direct and indirect costs of medications, hospital stays, missed work, and decreased productivity. Air pollution with xenobiotics, bacterial agents, and industrial nanomaterials, such as carbon nanotubes, contribute to the exacerbation of this condition and are a point of particular attention in environmental toxicology as well as in occupational health and safety research...
July 24, 2017: ACS Nano
https://www.readbyqxmd.com/read/28707285/burden-of-atopic-dermatitis-in-the-united-states-analysis-of-healthcare-claims-data-in-the-commercial-medicare-and-medi-cal-databases
#8
Sulena Shrestha, Raymond Miao, Li Wang, Jingdong Chao, Huseyin Yuce, Wenhui Wei
INTRODUCTION: Comparative data on the burden of atopic dermatitis (AD) in adults relative to the general population are limited. We performed a large-scale evaluation of the burden of disease among US adults with AD relative to matched non-AD controls, encompassing comorbidities, healthcare resource utilization (HCRU), and costs, using healthcare claims data. The impact of AD disease severity on these outcomes was also evaluated. METHODS: Adult AD patients in the Commercial (n = 83,106), Medicare (n = 31,060), and Medi-Cal (n = 5550) databases were matched (1:1) to non-AD controls by demographic characteristics...
July 13, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28698747/association-among-thyroid-dysfunction-asthma-allergic-rhinitis-and-eczema-in-children-with-alopecia-areata
#9
Javad Ghaffari, Ghasem Rahmatpour Rokni, Armaghan Kazeminejad, Hosein Abedi
BACKGROUND: Alopecia areata is a non-scarring hair loss, which typically starts quickly. Atopy is one of the possible predisposing risk factors for this condition. AIM: This study aimed to evaluate the prevalence of thyroid disease, atopic dermatitis and allergic diseases in children with alopecia areata and compare the results with healthy individuals. METHODS: This case-control study was conducted on 50 patients with alopecia areata, diagnosed by a dermatologist, and 150 healthy individuals as the control group...
June 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28675776/vitamin-d-supplementation-in-primary-allergy-prevention-systematic-review-of-randomized-and-non-randomized-studies
#10
REVIEW
Juan José Yepes-Nuñez, Jan L Brożek, Alessandro Fiocchi, Ruby Pawankar, Carlos Cuello-García, Yuan Zhang, Gian Paolo Morgano, Arnav Agarwal, Shreyas Gandhi, Luigi Terracciano, Holger J Schünemann
BACKGROUND: To date, a systematic review of the evidence regarding the association between Vitamin D and allergic diseases development has not yet been undertaken. OBJECTIVE: To review the efficacy and safety of Vitamin D supplementation when compared to no supplementation in pregnant women, breastfeeding women, infants and children for the prevention of allergies. METHODS: Three databases were searched through 30 January 2016 including randomized (RCT) and non-randomized studies (NRS)...
July 4, 2017: Allergy
https://www.readbyqxmd.com/read/28668505/regulation-of-allergic-airway-inflammation-by-adoptive-transfer-of-cd4-t-cells-preferentially-producing-il-10
#11
Masaya Matsuda, Kana Doi, Tatsuya Tsutsumi, Shinya Fujii, Maki Kishima, Kazuma Nishimura, Ikue Kuroda, Yu Tanahashi, Rino Yuasa, Toshihiko Kinjo, Nobuyuki Kuramoto, Nobuaki Mizutani, Takeshi Nabe
Anti-inflammatory pharmacotherapy for asthma has mainly depended on the inhalation of glucocorticoids, which non-specifically suppress immune responses. If the anti-inflammatory cytokine interleukin (IL)-10 can be induced by a specific antigen, asthmatic airway inflammation could be suppressed when individuals are exposed to the antigen. The purpose of this study was to develop cellular immunotherapeutics for atopic diseases using IL-10-producing CD4(+) T cells. Spleen cells isolated from ovalbumin (OVA)-sensitized mice were cultured with the antigen, OVA and growth factors, IL-21, IL-27 and TGF-β for 7 days...
June 29, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28658724/-prevalence-of-urticaria-in-cartagena-colombia
#12
Pablo Andrés Miranda-Machado, Bautista de la Cruz Hoyos-Sánchez
BACKGROUND: In Colombia, there have been studies on the prevalence of allergic diseases such as asthma, allergic rhinitis and atopic dermatitis. Prevalence studies of urticaria in Colombia are scarce. OBJECTIVE: Our objective objective of this study was to estimate the prevalence of urticaria in Cartagena (Colombia) in order to contribute to national epidemiological estimates of disease. METHODS: A multicenter cross-sectional study in the city of Cartagena was conducted and 547 patients aged 1-58 years treated at the Allergy specialist consultation in care centers selected for this study between April and July 2015 were included, through non-probabilistic sampling...
April 2017: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/28658559/innate-and-adaptive-type-2-immunity-in-lung-allergic-inflammation
#13
REVIEW
Masato Kubo
Allergic inflammation is a type 2 immune disorder classically characterized by high levels of immunoglobulin E (IgE) and the development of Th2 cells. Asthma is a pulmonary allergic inflammatory disease resulting in bronchial hyper-reactivity. Atopic asthma is defined by IgE antibody-mediated mast cell degranulation, while in non-atopic asthma there is no allergen-specific IgE and more involvement of innate immune cells, such as basophils, group 2 innate lymphoid cells (ILC2), and eosinophils. Recently, protease allergens were shown to cause asthmatic responses in the absence of Th2 cells, suggesting that an innate cell network (IL-33/TSLP-basophil-ILC2-IL-5/IL-13 axis) can facilitate the sensitization phase of type 2 inflammatory responses...
July 2017: Immunological Reviews
https://www.readbyqxmd.com/read/28658554/are-ilc2s-jekyll-and-hyde-in-airway-inflammation
#14
REVIEW
Kafi N Ealey, Kazuyo Moro, Shigeo Koyasu
Asthma is a complex heterogeneous disease of the airways characterized by lung inflammation, airway hyperreactivity (AHR), mucus overproduction, and remodeling of the airways. Group 2 innate lymphoid cells (ILC2s) play a crucial role in the initiation and propagation of type 2 inflammatory programs in allergic asthma models, independent of adaptive immunity. In response to allergen, helminths or viral infection, damaged airway epithelial cells secrete IL-33, IL-25, and thymic stromal lymphopoietin (TSLP), which activate ILC2s to produce type 2 cytokines such as IL-5, IL-13, and IL-9...
July 2017: Immunological Reviews
https://www.readbyqxmd.com/read/28657531/-analysis-of-nasal-cytology-in-children-and-adolescents-with-rhinitis
#15
Natalia A Lozano, Ricardo J Saranz, Alejandro Lozano, María Del Pilar Bovina Martijena, Maximiliano Ramirez, Marina F Ponzio, Yanina V Berardi, Ana G Sosa, Eugenia Cóncari
BACKGROUND: Nasal cytology in a easy-to apply method to differentiate rhinitis phenotypes from a physiopathogenic and diagnostic perspective. There are controversies about the relationship between clinical severity of rhinitis and inflammatory patterns expressed in the nasal cytology. OBJECTIVES: To study the characteristic of the eosinophil and neutrophil patterns in the nasal scraping for Allergic Rhinitis (AR) and Non Allergic Rhinitis (NAR) and its relationship with the clinical grades of rhinitis established by the Allergic Rhinitis and its Impact on Asthama Guideline (ARIA) Methods: In a observational, cross-sectional study we included patients aged 5 to 18 years presenting symptoms of either allergic (AR) or non- allergic rinitis (NAR) without asthma...
2017: Revista de la Facultad de Ciencias Médicas
https://www.readbyqxmd.com/read/28641549/relevance-of-cat-and-dog-sensitization-by-skin-prick-testing-in-childhood-eczema-and-asthma
#16
Kam Lun E Lun Hon, Kathy Yin Ching Tsang, Ting Fan Leung
BACKGROUND: Household animal dander has been implicated as aeroallergen in childhood atopic diseases. Many parents seek healthcare advice if household pet keeping may be detrimental in atopic eczema (AE) and atopies. AIM: We investigated if skin sensitization by cat/dog dander was associated with disease severity and quality of life in children with AE. METHODS: Demographics, skin prick test (SPT) results, disease severity (Nottingham eczema severity score NESS), Children Dermatology Life Quality Index (CDLQI), blood IgE and eosinophil counts of a cohort of AE patients were reviewed...
June 14, 2017: Current Pediatric Reviews
https://www.readbyqxmd.com/read/28629744/mannose-receptor-modulates-macrophage-polarization-and-allergic-inflammation-through-mir-511-3p
#17
Yufeng Zhou, Danh C Do, Faoud T Ishmael, Mario Leonardo Squadrito, Ho Man Tang, Ho Lam Tang, Man-Hsun Hsu, Lipeng Qiu, Changjun Li, Yongqing Zhang, Kevin G Becker, Mei Wan, Shau-Ku Huang, Peisong Gao
BACKGROUND: Mannose receptor (MRC1/CD206) has been suggested to mediate allergic sensitization and asthma to multiple glyco-allergens, including cockroach allergens. OBJECTIVE: Determine the existence of a protective mechanism through which MRC1 limits allergic inflammation through its intronic miR-511-3p. METHODS: We examined the MRC1-mediated cockroach allergen uptake by lung macrophages and lung inflammation using C57BL/6 wild-type (WT) and Mrc1(-/-) mice...
June 16, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28608756/effects-of-omalizumab-on-rhinovirus-infections-illnesses-and-exacerbations-of-asthma
#18
Ann Esquivel, William W Busse, Agustin Calatroni, Alkis G Togias, Kristine G Grindle, Yury A Bochkov, Rebecca S Gruchalla, Meyer Kattan, Carolyn M Kercsmar, G Khurana Hershey, Haejin Kim, Petra Lebeau, Andrew H Liu, Stanley J Szefler, Stephen J Teach, Joseph B West, Jeremy Wildfire, Jacqueline A Pongracic, James E Gern
RATIONALE: Allergic inflammation has been linked to increased susceptibility to viral illnesses, but it is unclear whether this association is causal. OBJECTIVE: To test whether omalizumab treatment to reduce IgE would shorten the frequency and duration of rhinovirus illnesses in children with allergic asthma. METHODS: The Preventative Omalizumab or Step-up Therapy for Severe Fall Exacerbations (PROSE) was a study of children with allergic asthma (6-17 years, n=478) from low-income census tracts in 8 U...
June 13, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28608416/increased-prevalence-of-allergic-asthma-from-1996-to-2006-and-further-to-2016-results-from-three-population-surveys
#19
Helena Backman, Petri Räisänen, Linnea Hedman, Caroline Stridsman, Martin Andersson, Anne Lindberg, Bo Lundbäck, Eva Rönmark
BACKGROUND: During the latter half of the 20(th) century the prevalence of asthma and many other allergic diseases has increased. Information on asthma prevalence trends after 2010, especially regarding studies separating allergic asthma from non-allergic asthma is lacking. OBJECTIVE: The aim was to estimate prevalence trends of current asthma, both allergic and non-allergic, from 1996 to 2016. METHODS: Three cross-sectional samples from the same area of Sweden, 20-69 years, participated in surveys with the same questionnaire in 1996 (n=7104 participants, 85% response rate), 2006 (n=6165, 77%) and 2016 (n=5466, 53%), respectively...
June 13, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28608279/the-recombinant-fusion-protein-of-cholera-toxin-b-and-neutrophil-activating-protein-expressed-on-bacillus-subtilis-spore-surface-suppresses-allergic-inflammation-in-mice
#20
Hui Dong, Yanmei Huang, Shuwen Yao, Bingshao Liang, Yan Long, Yongqiang Xie, Jialiang Mai, Sitang Gong, Zhenwen Zhou
The neutrophil-activating protein of Helicobacter pylori (HP-NAP) has been identified as a modulator with anti-Th2 inflammation activity, and cholera toxin B (CTB) is a mucosal adjuvant that can also induce antigen tolerance. In this study, we constructed a CTB-NAP fusion protein on the surface of Bacillus subtilis spore and evaluate the efficiency of oral administration of the recombinant CTB-NAP spores in preventing asthma in mice. Oral administration of recombinant CTB or CTB-NAP spores significantly decreased serum ovalbumin (OVA)-specific IgE (p < 0...
June 12, 2017: Applied Microbiology and Biotechnology
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