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https://www.readbyqxmd.com/read/28738263/prenatal-exposure-to-pm2-5-and-birth-weight-a-pooled-analysis-from-three-north-american-longitudinal-pregnancy-cohort-studies
#1
Maria José Rosa, Ashley Pajak, Allan C Just, Perry E Sheffield, Itai Kloog, Joel Schwartz, Brent Coull, Michelle Bosquet Enlow, Andrea A Baccarelli, Kathi Huddleston, John E Niederhuber, Martha María Téllez Rojo, Robert O Wright, Chris Gennings, Rosalind J Wright
A common practice when analyzing multi-site epidemiological data is to include a term for 'site' to account for unmeasured effects at each location. This practice should be carefully considered when site can have complex relationships with important demographic and exposure variables. We leverage data from three longitudinal North American pregnancy cohorts to demonstrate a novel method to assess study heterogeneity and potential combinability of studies for pooled analyses in order to better understand how to consider site in analyses...
July 21, 2017: Environment International
https://www.readbyqxmd.com/read/28738246/crocin-modulates-il-4-il-13-signaling-and-ameliorates-experimentally-induced-allergic-airway-asthma-in-a-murine-model
#2
Haidy Yosri, Wagdi F Elkashef, Eman Said, Nariman M Gameil
Allergic asthma is a chronic respiratory disease with a prevalent T helper (Th2)-mediated immune reaction. Crocin, the major bioactive constituent of saffron, has been reported in multiple studies to have numerous pharmacological activities, including prominent anti-oxidant activities. In the current study, the anti-asthmatic potential of crocin was evaluated. Adult male Swiss Albino mice were administered 10mg of ovalbumin (OVA) mixed with 1mg of aluminum hydroxide intraperitoneally on days 0 and 7 and were administered crocin (25mg/kg) orally daily for 16days...
July 21, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28737932/ins-and-outs-in-environmental-and-occupational-safety-studies-of-asthma-and-engineered-nanomaterials
#3
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/28736801/childhood-adversities-and-chronic-conditions-examination-of-mediators-recall-bias-and-age-at-diagnosis
#4
Mashhood Ahmed Sheikh
OBJECTIVES: The aim of this study was to (1) identify the influence of childhood socioeconomic status (CSES) on five chronic conditions: asthma, bronchitis, hypothyroid, migraine, and psychiatric disorders in later life; (2) determine the mediating role of childhood abuse (CA) in these associations, and (3) quantify recall bias due to respondent's mental health in these associations. METHODS: 10,325 men and women from the Tromsø Study were followed for 13 years, and Poisson regression models were used...
July 24, 2017: International Journal of Public Health
https://www.readbyqxmd.com/read/28736267/gamma-tocopherol-enriched-supplement-reduces-sputum-eosinophilia-and-endotoxin-induced-sputum-neutrophilia-in-volunteers-with-asthma
#5
Allison J Burbank, Charity G Duran, Yinghao Pan, Patricia Burns, Susan Jones, Qing Jiang, Chao Yang, Sha'Leema Jenkins, Heather Wells, Neil Alexis, Mehmet Kesimer, William D Bennett, Haibo Zhou, David B Peden, Michelle L Hernandez
BACKGROUND: We and others have shown that the gamma tocopherol (γT) isoform of vitamin E has multiple anti-inflammatory and antioxidant actions and that γT supplementation reduces eosinophilic and endotoxin (LPS)-induced neutrophilic airway inflammation in animal models and healthy human volunteers. OBJECTIVE: To determine if γT supplementation reduces eosinophilic airway inflammation and acute neutrophilic response to inhaled LPS challenge in volunteers with asthma...
July 20, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28733303/oral-glucocorticoid-use-and-osteonecrosis-in-children-and-adults-with-chronic-inflammatory-diseases-a-population-based-cohort-study
#6
Daniel B Horton, Kevin Haynes, Michelle R Denburg, Mihir M Thacker, Carlos D Rose, Mary E Putt, Mary B Leonard, Brian L Strom
OBJECTIVES: We studied oral glucocorticoids and osteonecrosis, a rare but serious bone disease, in individuals with various chronic inflammatory diseases. We hypothesised that we would find stronger associations in adults versus children and in people with autoimmune diseases. DESIGN: Retrospective cohort study. SETTING: Population-representative data (1994-2013) from general practices in the UK. PARTICIPANTS: Children and adults diagnosed with asthma; inflammatory bowel disease; juvenile, psoriatic or rheumatoid arthritis; psoriasis; or systemic lupus...
July 21, 2017: BMJ Open
https://www.readbyqxmd.com/read/28733217/protective-effect-of-forsythiaside-a-on-ova-induced-asthma-in-mice
#7
Jin Qian, Xiaorong Ma, Yali Xun, Lei Pan
Forsythiaside A (FSA), an active constituent isolated from the Chinese medicinal herb Forsythia suspensa, has been known to have anti-inflammatory effect. However, the effect of FSA on allergic airway inflammation remains unclear. The aim of this study was to investigate the effect of FSA on OVA-induced asthma in mice. Mice model of asthma was induced by OVA. OVA-induced airway hyperresponsiveness (AHR) and inflammatory cells in BALF were detected. The production of IgE, IL-4, IL-5, IFN-γ, and IL-13 were detected by ELISA...
July 18, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28732829/budesonide%C3%A2-%C3%A2-formoterol-delivered-via-spiromax-%C3%A2-for-the-management-of-asthma-and-copd-the-potential-impact-on-unscheduled-healthcare-costs-of-improving-inhalation-technique-compared-with-turbuhaler-%C3%A2
#8
A Lewis, S Torvinen, P N R Dekhuijzen, H Chrystyn, A Melani, Y Zöllner, K Kolbe, A T Watson, M Blackney, A Plich
BACKGROUND: Fixed-dose combinations of inhaled corticosteroids and long-acting β2 agonists are commonly used for the treatment of asthma and COPD. However, the most frequently prescribed dry powder inhaler delivering this medicine - Symbicort(®) (budesonide and formoterol, BF) Turbuhaler(®) - is associated with poor inhalation technique, which can lead to poor disease control and high disease management costs. A recent study showed that patients make fewer inhaler errors when using the novel DuoResp(®) (BF) Spiromax(®) inhaler, compared with BF Turbuhaler(®)...
August 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28732802/carica-papaya-ameliorates-allergic-asthma-via-down-regulation-of-il-4-il-5-eotaxin-tnf-%C3%AE-nf-%C3%A4-b-and-inos-levels
#9
Asma Inam, Muhammad Shahzad, Arham Shabbir, Hira Shahid, Khadija Shahid, Aqeel Javeed
BACKGROUND: Natural products have a prime importance as an essential source for new drug discovery. Carica papaya leaves (CPL) have been used to treat inflammation in traditional system of medicine. AIM/HYPOTHESIS: Current study evaluates the anti-inflammatory and immunomodulatory effects of CPL extract using mouse model of ovalbumin- (OVA) induced allergic asthma. METHODS: All the mice were intraperitoneally sensitized and subsequently given intranasal challenge with OVA except the control group...
August 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28732646/phosphatase-wip1-controls-the-development-of-th9-cells-and-allergic-airway-inflammation
#10
Peng Wang, Huiting Su, Lianjun Zhang, Hui Chen, Xuelian Hu, Fan Yang, Jun Lu, Lianfeng Zhang, Yong Zhao
BACKGROUND: Allergic asthma is one of the most common diseases worldwide, resulting in a burden of diseases. No available therapeutic regimens can cure asthma so far. OBJECTIVE: To identify new molecular targets for Th9 cells-mediated allergic airway inflammation. METHODS: Wild-type p53-induced phosphatase 1 (Wip1) gene knockout mice, Wip1 inhibitor-treated mice and ovalbumin (OVA)-induced allergic airway inflammation mouse models were employed to characterize the roles of Wip1 in allergic airway inflammation...
July 18, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28732434/effects-of-intraperitoneal-injection-of-allogeneic-bone-marrow-derived-mesenchymal-stem-cells-on-bronchiolitis-obliterans-in-mice-model
#11
Sakine Işık, Nevin Uzuner, Meral Karaman, Özkan Karaman, Müge Kıray, İlknur Kozanoğlu, Hüsnü Alper Bağrıyanık, Zeynep Arıkan-Ayyıldız, Melis Kartal Yandım, Yusuf Baran
Bone marrow-derived mesenchymal stem cells (BMSCs) can ameliorate a variety of lung diseases such as asthma, lung fibrosis, and acute lung injury by its anti-inflammatory and immunmodulatory effects. In this study, we developed a mouse model of bronchiolitis obliterans (BO) and evaluated the effects of the intraperitoneal administration of BMSCs on lung histopathology and cytokine levels. 25 BALB/c mice were divided into four groups; control group (Group I), BO developed and 1x106 BMSCs-injected group (Group II), non-BO, 1x106 BMSCs-injected group (Group III), and BO developed and saline-injected group (Group IV)...
June 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28732397/combined-sewer-overflow-events-and-childhood-emergency-department-visits-a-case-crossover-study
#12
Cole Brokamp, Andrew F Beck, Louis Muglia, Patrick Ryan
In localities with combined sewer systems, combined sewer overflow (CSO) events frequently occur following high precipitation and can result in the release of untreated sewage and industrial wastewater into surface waters. We hypothesized that either direct contact with or proximity to aerosolized CSO effluent would increase the risk for childhood emergency department (ED) visits for asthma, gastrointestinal (GI) illnesses, and skin and soft tissue infections (SSTIs) in Cincinnati, OH, USA. ED visits for 2010-2014 due to GI diseases, asthma, and SSTIs were extracted from the Cincinnati Children's Hospital Medical Center electronic health records...
July 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28732014/association-of-time-serial-changes-in-ambient-particulate-matters-pms-with-respiratory-emergency-cases-in-taipei-s-wenshan-district
#13
Jer-Hwa Chang, Shih-Chang Hsu, Kuan-Jen Bai, Shau-Ku Huang, Chin-Wang Hsu
Ambient air pollution poses a significant risk for a group of common and often debilitating respiratory diseases, but its direct impact on cause-specific respiratory diseases using emergency room visit (ERV) as an indicator remains to be fully explored. In this study, we conducted a time-series study of ambient PM2.5, NO2, SO2 and their association with ERV for asthma, COPD and pneumonia in a four-year time span. Relative risks for ERV as per log increase in the level of ambient pollutants with time lags of up to 10 days were calculated, using a generalized additive model of Poisson regression...
2017: PloS One
https://www.readbyqxmd.com/read/28731313/an-innovative-mindfulness-and-educational-care-approach-in-an-adult-patient-affected-by-gastroesophageal-reflux-the-iara-model
#14
Andrea De Giorgio, Rita Maria Loscalzo, Marco Ponte, Anna Maria Padovan, Giuseppina Graceffa, Francesca Gulotta
Patients affected by gastroesophageal reflux disease (GERD) have a poor quality of life caused by several manifestations such as cough, asthma, laryngitis and dental erosion. The clinical conditions are highly disabling for patients and symptoms are difficult to manage. These conditions lead to many discomforts which contribute to an increase of the disease perception. For these reasons, it is important to improve the interventions on psychological aspects that ameliorate the patients' quality of life. The application of IARA model has proven useful to decrease GERD symptoms, distress and medication intake and to increase adherence to care, improving the patient's quality of life...
May 16, 2017: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/28731127/pidotimod-exacerbates-allergic-pulmonary-infection-in-an-ova-mouse-model-of-asthma
#15
Luo-Qin Fu, Ya-Li Li, Ai-Kun Fu, Yan-Ping Wu, Yuan-Yuan Wang, Sheng-Lan Hu, Wei-Fen Li
Pidotimod is a synthetic dipeptide with biological and immuno‑modulatory properties. It has been widely used for treatment and prevention of recurrent respiratory infections. However, its impact on the regulation of allergic pulmonary inflammation is still not clear. In the current study, an ovalbumin (OVA)‑induced allergic asthma model was used to investigate the immune‑modulating effects of pidotimod on airway eosinophilia, mucus metaplasia and inflammatory factor expression compared with dexamethasone (positive control)...
July 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28729731/anti-asthmatic-effect-of-pitavastatin-through-aerosol-inhalation-is-associated-with-cd4-cd25-foxp3-t-cells-in-an-asthma-mouse-model
#16
Songquan Wu, Ruhui Yang, Guangli Wang
Statins are competitive inhibitors of 3-hydroxy-3-methylglutaryl-CoA (HMG-A) reductase, and studies have shown that statins also have anti-inflammatory and immunomodulatory properties. The purpose of this study was to investigate the anti-asthmatic effects of pitavastatin, a type of statin, in an asthma mouse model. Mice were sensitized and challenged with ovalbumin (OVA) to establish the asthma model. These mice were then treated with inhaled pitavastatin (5 mg/kg) or dexamethasone (2 mg/kg), the latter of which served as a positive control...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28729226/solanum-paniculatum-l-decreases-levels-of-inflammatory-cytokines-by-reducing-nf-%C3%AE%C2%BAb-t-bet-and-gata3-gene-expression-in-vitro
#17
Raimon Rios, Hugo Bernardino Ferreira da Silva, Norma Vilany Queiroz Carneiro, Anaque de Oliveira Pires, Tamires Cana Brasil Carneiro, Ryan Dos Santos Costa, Cintia Rodrigues Marques, Marta Santos Serafim Machado, Eudes da Silva Velozo, Telma M G da Silva, Tania M S da Silva, Adilva de Souza Conceição, Neuza Maria Alcântara-Neves, Camila Alexandrina Figueiredo
ETHNOPHARMACOLOGICAL RELEVANCE: Solanum paniculatum L., popularly known as jurubeba, is a common subtropical plant from Brazil, Paraguay, Bolivia, and Argentina, that is used in folk medicine for the treatment of anemia, gastrointestinal disorders and inflammatory conditions in general. In addition to that, an ethnobotanical survey in "Todos os Santos" Bay have pointed out S. paniculatum as an herb to treat asthma. Previous publications have shown that S. paniculatum possesses antibiotic, antioxidant and modulatory effects on gastric acid secretion; however, its anti-inflammatory potential remains unexplored...
July 17, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28729042/effects-of-%C3%AE-blockers-on-house-dust-mite-driven-murine-models-pre-and-post-development-of-an-asthma-phenotype
#18
Radhika Joshi, Daniel Valdez, Hosu Kim, Douglas C Eikenburg, Brian J Knoll, Richard A Bond
BACKGROUND: Our previous studies suggested certain β-adrenoceptor blockers (β-blockers) attenuate the asthma phenotype in ovalbumin driven murine models of asthma. However, the ovalbumin model has been criticized for lack of clinical relevance. METHODS: We tested the non-selective β-blockers, carvedilol and nadolol, in house dust mite (HDM) driven murine asthma models where drugs were administered both pre- and post-development of the asthma phenotype. We measured inflammation, mucous metaplasia, and airway hyper-responsiveness (AHR)...
July 17, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28728259/-impact-of-allergic-airway-diseases-on-risk-of-attention-deficit-hyperactivity-disorder-in-school-age-children
#19
X D Jiang, C Shen, K Li, Y T Ji, S H Li, F Jiang, X M Shen, F Li, Y Hu
Objective: To investigate the impact of allergic airway diseases on the risk of attention deficit hyperactivity disorder (ADHD) in school-age children. Method: Used stratified cluster sampling method, school-age children in first to sixth grade in primary schools in 9 randomly selected cities including Shanghai, Guangzhou, Xi'an, and Wuhan were enrolled in the study. Interview of parents with questionnaires, which included school-age individual and family social environment questionnaire (including history of diagnosed ADHD, allergic rhinitis, and bronchial asthma) and Children's Sleep Habits Questionnaire (CSHQ), were finished and collected during November to December in 2005...
July 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28727997/therapeutic-intranasal-instillation-of-allergen-loaded-microbubbles-suppresses-experimental-allergic-asthma-in-mice
#20
Blaise Corthésy, Gilles Bioley
Despite proven efficiency, subcutaneous immunotherapy for aeroallergens is impaired by the duration of the protocol, the repeated injections and potential side-effects associated with the doses of allergen administered. Intranasal delivery of immunotherapeutic agents may overcome several of these drawbacks, provided that an efficient allergen delivery vehicle can be identified. This study evaluates whether intranasally delivered gas-filled microbubble (MB)-associated ovalbumin (OVA), used as a model allergen, can serve as a therapeutic treatment in a mouse model of established allergic asthma...
July 12, 2017: Biomaterials
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