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https://www.readbyqxmd.com/read/28102718/vitamin-d-status-aeroallergen-sensitization-and-allergic-rhinitis-a-systematic-review-and-meta-analysis
#1
Zahra Aryan, Nima Rezaei, Carlos A Camargo
PURPOSE: The role of vitamin D status in the etiology of allergic diseases is uncertain. The aim of this study was to investigate the association of vitamin D status with risk of two main outcomes: aeroallergen sensitization and allergic rhinitis (AR). METHODS: We performed a systematic review of Medline, Scopus, Science Citation Index, and Google Scholar databases. Studies were included if they reported on prevalent or incident cases of aeroallergen sensitization or AR according to vitamin D status...
January 19, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/28076322/aeroallergen-der-p-2-promotes-motility-of-human-non-small-cell-lung-cancer-cells-via-toll-like-receptor-mediated-up-regulation-of-urokinase-type-plasminogen-activator-and-integrin-focal-adhesion-kinase-signaling
#2
Chun-Hsiang Lin, Hui-Han Lin, Cheng-Yi Kuo, Shao-Hsuan Kao
House dust mite (HDM) allergens are one of the major causes leading to respiratory hypersensitiveness and airway remodeling. Here we hypothesized that a major HDM allergen Der p 2 could increase cell motility and invasiveness of non-small cell lung cancer (NSCLC) cells. Our results showed that low dose (1 and 3 μg/mL) recombinant Der p 2 protein (DP2) enhanced the migration and invasiveness of human NSCLC cell A549, H1299 and CL1-5, but nonsignificantly altered their growth. Further investigation revealed that integrin αV level was increased and its downstream signaling including focal adhesion kinase (FAK) and paxillin were activated in A549 cells exposed to DP2...
January 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28073701/effect-of-asthma-therapies-on-the-natural-course-of-asthma
#3
REVIEW
Elissa M Abrams, Stanley J Szefler, Allan B Becker
OBJECTIVE: To provide an evidence-based review on the role of pharmacologic (inhaled corticosteroids, leukotriene receptor antagonists, biologic therapies, aeroallergen immunotherapy) and nonpharmacologic therapies (environmental modifications, microbiome) in secondary and tertiary asthma prevention. DATA SOURCES: A PubMed search for English-language publications regarding asthma and secondary or tertiary prevention was performed. Some articles cited in selected studies were also considered for inclusion in this review...
December 2016: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28049188/association-of-polysensitization-allergic-multimorbidity-and-allergy-severity-a-cross-sectional-study-of-school-children
#4
Eun Kyo Ha, Ji Hyeon Baek, So-Yeon Lee, Yong Mean Park, Woo Kyung Kim, Youn Ho Sheen, Seung Jin Lee, Youngoh Bae, Jihyeon Kim, Kee-Jae Lee, Kangmo Ahn, Ho-Jang Kwon, Man Yong Han
BACKGROUND: Aeroallergen sensitization is related to the coexistence of allergic diseases, but the nature of this relationship is poorly understood. The aim of this study was to clarify the relationship of polysensitization with allergic multimorbidities and the severity of allergic diseases. METHODS: This study is a cross-sectional analysis of 3,368 Korean children aged 6-7 years-old. We defined IgE-mediated allergic diseases based on structured questionnaires, and classified the sensitivity to 18 aeroallergens by logistic regression and the Ward hierarchical clustering method...
2016: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28045458/bacteria-isolated-from-lung-modulate-asthma-susceptibility-in-mice
#5
Aude Remot, Delphyne Descamps, Marie-Louise Noordine, Abdelhak Boukadiri, Elliot Mathieu, Véronique Robert, Sabine Riffault, Bart Lambrecht, Philippe Langella, Hamida Hammad, Muriel Thomas
Asthma is a chronic, non-curable, multifactorial disease with increasing incidence in industrial countries. This study evaluates the direct contribution of lung microbial components in allergic asthma in mice. Germ-Free and Specific-Pathogen-Free mice display similar susceptibilities to House Dust Mice-induced allergic asthma, indicating that the absence of bacteria confers no protection or increased risk to aeroallergens. In early life, allergic asthma changes the pattern of lung microbiota, and lung bacteria reciprocally modulate aeroallergen responsiveness...
January 3, 2017: ISME Journal
https://www.readbyqxmd.com/read/28034578/staphylococcus-aureus-enterotoxin-sensitization-involvement-and-its-association-with-the-cysltr1-variant-in-different-asthma-phenotypes
#6
Hisako Matsumoto, Yoshihiro Kanemitsu, Tadao Nagasaki, Yuji Tohda, Takahiko Horiguchi, Hideo Kita, Kazunobu Kuwabara, Keisuke Tomii, Kojiro Otsuka, Masaki Fujimura, Noriyuki Ohkura, Katsuyuki Tomita, Akihito Yokoyama, Hiroshi Ohnishi, Yasutaka Nakano, Tetsuya Oguma, Soichiro Hozawa, Yumi Izuhara, Isao Ito, Tsuyoshi Oguma, Hideki Inoue, Tomoko Tajiri, Toshiyuki Iwata, Junya Ono, Shoichiro Ohta, Tomomitsu Hirota, Takahisa Kawaguchi, Mayumi Tamari, Tetsuji Yokoyama, Yasuharu Tabara, Fumihiko Matsuda, Kenji Izuhara, Akio Niimi, Michiaki Mishima
BACKGROUND: Sensitization to Staphylococcus aureus enterotoxin (SE) is a known risk factor for asthma susceptibility and severity. However, how SE sensitization is involved in asthma, particularly nonatopic asthma and/or late-onset asthma, remains uncertain. OBJECTIVE: To clarify the involvement of SE sensitization in nonatopic and/or late-onset asthma and its association with a polymorphism of the cysteinyl leukotriene receptor 1 gene (CysLTR1), which was examined because CysLT signaling is closely associated with late-onset eosinophilic asthma...
December 26, 2016: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28032359/opisthorchis-felineus-negatively-associates-with-skin-test-reactivity-in-russia-europrevall-inco-study
#7
Olga S Fedorova, Jacqueline J Janse, Ludmila M Ogorodova, Marina M Fedotova, Rogier A Achterberg, Jaco J Verweij, Montserrat Fernández-Rivas, Serge A Versteeg, James Potts, Cosetta Minelli, Ronald van Ree, Peter Burney, Maria Yazdanbakhsh
BACKGROUND: Most studies on the relationship between helminth infections and atopic disorders have been conducted in (sub)tropical developing countries where exposure to multiple parasites and lifestyle can confound the relationship. We aimed to study the relationship between infection with the fish-borne helminth Opishorchis felineus and specific IgE, skin prick testing and atopic symptoms in Western-Siberia, with lifestyle and hygiene standards of a developed country. METHODS: Schoolchildren aged 7 to 11 years were sampled from one urban and two rural regions...
December 29, 2016: Allergy
https://www.readbyqxmd.com/read/28030377/microbes-allergic-sensitization-and-the-natural-history-of-asthma
#8
Halie M Anderson, Daniel J Jackson
PURPOSE OF REVIEW: Understanding factors that lead to asthma development in early life is essential to developing strategies aimed at primary or secondary prevention. RECENT FINDINGS: This article will review current evidence addressing the development of early life allergic sensitization in relation to microbes and the gut and airway microbiome. Wheezing illnesses, particularly viral, remain a significant risk factor for asthma inception; however, bacterial pathogens have recently emerged as an additional important contributor to asthma risk, either alone or as cofactors with viral infections...
December 24, 2016: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28008277/technical-and-clinical-validation-of-an-environmental-exposure-unit-for-ragweed
#9
Paul J Gomes, Keith J Lane, Endri Angjeli, Linda Stein, Mark B Abelson
BACKGROUND: Allergic rhinitis is a common condition, with ragweed pollen one of the more prevalent aeroallergens. Environmental exposure units such as the Allergen BioCube(®) are valuable models for clinical allergy studies. A study was conducted to validate the Allergen BioCube for uniform ragweed pollen concentrations and clinically relevant sign and symptom responses to ragweed exposure. METHODS: Ragweed pollen concentrations were measured on 3 consecutive days in the Allergen BioCube and verified by Rotorod collection and continuous laser particle count measurements...
2016: Journal of Asthma and Allergy
https://www.readbyqxmd.com/read/27996940/allergic-fungal-airway-disease
#10
REVIEW
E M Rick, K Woolnough, C H Pashley, A J Wardlaw
Fungi are ubiquitous and form their own kingdom. Up to 80 genera of fungi have been linked to type I allergic disease, and yet, commercial reagents to test for sensitization are available for relatively few species. In terms of asthma, it is important to distinguish between species unable to grow at body temperature and those that can (thermotolerant) and thereby have the potential to colonize the respiratory tract. The former, which include the commonly studied Alternaria and Cladosporium genera, can act as aeroallergens whose clinical effects are predictably related to exposure levels...
2016: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/27992959/allergic-sensitization-at-school-age-is-a-systemic-low-grade-inflammatory-disorder
#11
Bo Lund Chawes, Jakob Stokholm, Ann-Marie Malby Schoos, Nadia Rahman, Susanne Brix, Hans Bisgaard
BACKGROUND: Systemic low-grade inflammation has been demonstrated in a range of the frequent noncommunicable diseases (NCDs) proposing a shared mechanism, but is largely unexplored in relation to allergic sensitization. We therefore aimed to investigate the possible association with childhood allergic sensitization. METHODS: High sensitivity C-reactive protein (hs-CRP), interleukin-1β (IL-1β), IL-6, tumor necrosis factor-α (TNF-α) and chemokine (C-X-C motif) ligand 8 (CXCL8) were measured in plasma at age 6mo (N=214) and 7yrs (N=277) in children from the Copenhagen Prospective Studies on Asthma in Childhood2000 (COPSAC2000 ) birth cohort...
December 19, 2016: Allergy
https://www.readbyqxmd.com/read/27992712/usefulness-of-allerkin-house-dust-mite-extract-for-nasal-provocation-testing
#12
Kyu-Sung Kim, Tae Young Jang, Young Hyo Kim
Objectives: We evaluated the clinical usefulness of Allerkin (Lofarma) for nasal provocation testing (NPT) in patients with rhinitis symptoms, by examining changes in nasal symptoms and acoustic parameters after exposure to house dust mite (HDM) extract. Methods: Twenty patients (16 males and 4 females, mean age: 29.6±14.6 years) were enrolled. We performed skin prick test (SPT) before and 15 and 30 minutes after intranasal challenge with Allerkin HDM extract, and we evaluated symptom changes (nasal obstruction, rhinorrhea, sneezing, and itching) using a visual analogue scale...
December 20, 2016: Clinical and Experimental Otorhinolaryngology
https://www.readbyqxmd.com/read/27988920/ip-10-is-elevated-in-virus-induced-acute-exacerbations-in-childhood-asthma
#13
Kazuo Suzuki, Masahiko Kato, Shinichi Matsuda, Mariko Nukaga, Mayumi Enseki, Hideyuki Tabata, Kota Hirai, Yoshiyuki Yamada, Kenichi Maruyama, Yasuhide Hayashi, Hiroyuki Mochizuki
OBJECTIVE: Viral infections and sensitization to aeroallergens are major factors in the exacerbation of asthma and its development during early childhood. However, the cytokine profiles and eosinophil activation status linked to the association between viral infections and sensitization to aeroallergens are incompletely understood. Here we investigated respiratory viruses, serum eosinophil cationic protein (ECP), and various cytokines/chemokines in acute exacerbation of childhood asthma...
December 20, 2016: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/27979025/atopy-patch-test-in-children-with-atopic-dermatitis
#14
Nualanong Visitsunthorn, Sunsanee Chatpornvorarux, Punchama Pacharn, Orathai Jirapongsananuruk
BACKGROUND: Atopic dermatitis is frequently associated with food and/or aeroallergen allergy. OBJECTIVE: To evaluate atopy patch tests (APTs) and skin prick tests (SPTs) in children with atopic dermatitis, using allergen extracts from locally lyophilized foods (cow's milk, egg white, egg yolk, wheat, soy, and shrimp), Dermatophagoides pteronyssinus, Dermatophagoides farinae, and American cockroach. METHODS: This study was a prospective, self-controlled study in children with atopic dermatitis...
December 2016: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/27979022/association-of-severity-of-chronic-rhinosinusitis-with-degree-of-comorbid-asthma-control
#15
Katie M Phillips, Lloyd P Hoehle, David S Caradonna, Stacey T Gray, Ahmad R Sedaghat
BACKGROUND: Comorbid chronic rhinosinusitis (CRS) is associated with worse asthma control. However, no study has investigated whether CRS severity affects the degree of asthma control. OBJECTIVE: To determine the effect size of an association between CRS severity and asthma control. METHODS: A pilot study with a prospective cross-sectional design. Adult patients with CRS and asthma were recruited. CRS severity was measured using the 22-item Sinonasal Outcomes Test (SNOT-22), and asthma control was measured using the Asthma Control Test (ACT)...
December 2016: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/27933161/parallel-reductions-of-ige-and-exhaled-nitric-oxide-after-optimized-anti-inflammatory-asthma-treatment
#16
Jörgen Syk, Andrei Malinovschi, Magnus P Borres, Anna-Lena Undén, Anna Andreasson, Mats Lekander, Kjell Alving
Immunoglobulin E (IgE) is crucial for the development of airway inflammation in atopic asthma, and inhibition of IgE using monoclonal antibodies is now part of asthma therapy. However, the impact of ordinary anti-inflammatory treatment on IgE is unclear. The aim of this study was to investigate if optimization of treatment with inhaled corticosteroid (ICS) and leukotriene-receptor antagonist (LTRA) according to symptoms or exhaled nitric oxide (FENO) levels over a one-year period affects IgE concentrations...
June 2016: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/27918221/neutrophilic-inflammation-in-asthma-mechanisms-and-therapeutic-considerations
#17
Hun Soo Chang, Tae-Hyeong Lee, Ji Ae Jun, Ae Rin Baek, Jong-Sook Park, So-My Koo, Yang-Ki Kim, Ho Sung Lee, Choon-Sik Park
Neutrophilic airway inflammation represents a pathologically distinct form of asthma and frequently appears in symptomatic adulthood asthmatics. However, clinical impacts and mechanisms of the neutrophilic inflammation have not been thoroughly evaluated up to date. Areas covered: Currently, distinct clinical manifestations, triggers, and molecular mechanisms of the neutrophilic inflammation (namely Toll-like receptor, Th1, Th17, inflammasome) are under investigation in asthma. Furthermore, possible role of the neutrophilic inflammation is being investigated in respect to the airway remodeling...
January 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/27906697/allergen-immunotherapy-an-updated-review-of-safety
#18
Christine James, David I Bernstein
PURPOSE OF REVIEW: Allergen immunotherapy is the only modality that can modify the immune response upon exposure to aeroallergens and venom allergens. This review will update the allergist on recent studies evaluating safety of sublingual and subcutaneous allergen immunotherapy. RECENT FINDINGS: Multiple clinical trials and retrospective studies have been published evaluating overall safety of these therapies. The risk of systemic reactions with subcutaneous immunotherapy remains quite low, but near-fatal and fatal anaphylaxis does occur, requiring physicians to be aware of potential risks for such events...
February 2017: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27893060/association-between-allergen-exposure-in-inner-city-schools-and-asthma-morbidity-among-students
#19
William J Sheehan, Perdita Permaul, Carter R Petty, Brent A Coull, Sachin N Baxi, Jonathan M Gaffin, Peggy S Lai, Diane R Gold, Wanda Phipatanakul
Importance: Home aeroallergen exposure is associated with increased asthma morbidity in children, yet little is known about the contribution of school aeroallergen exposures to such morbidity. Objective: To evaluate the effect of school-specific aeroallergen exposures on asthma morbidity among students, adjusting for home exposures. Design, Setting, and Participants: The School Inner-City Asthma Study was a prospective cohort study evaluating 284 students aged 4 to 13 years with asthma who were enrolled from 37 inner-city elementary schools in the northeastern United States between March 1, 2008, and August 31, 2013...
January 1, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/27881942/allergic-rhinitis-bronchial-asthma-and-other-allergies-in-patients-with-alzheimer-s-disease-unnoticed-issue
#20
Andrzej Bożek, Piotr Bednarski, Jerzy Jarzab
INTRODUCTION: Allergic diseases are becoming more prevalent in elderly patients. Allergic diseases have been observed in patients with Alzheimer's disease (AD). The prevalence of atopic bronchial asthma, allergic rhinitis and atopic dermatitis was analyzed in such elderly Polish population. AIM: Analysis of the presence of allergic diseases in the patients with AD in Poland, including asthma, allergic rhinoconjunctivitis and atopic dermatitis. MATERIAL AND METHODS: The recruitment of subjects with AD was conducted at 6 sites representative of Polish rural and urban areas, and 1060 subjects with a mean age of 69...
October 2016: Postȩpy Dermatologii i Alergologii
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