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https://www.readbyqxmd.com/read/28208075/socioeconomic-and-air-pollution-correlates-of-adult-asthma-heart-attack-and-stroke-risks-in-the-united-states-2010-2013
#1
Louis Anthony Tony Cox
Asthma in the United States has become an important public health issue, with many physicians, regulators, and scientists elsewhere expressing concern that criterion air pollutants have contributed to a rising tide of asthma cases and symptoms. This paper studies recent associations (from 2008 to 2012) between self-reported asthma experiences and potential predictors, including age, sex, income, education, smoking, and county-level average annual ambient concentrations of ozone (O3) and fine particulate matter (PM2...
February 13, 2017: Environmental Research
https://www.readbyqxmd.com/read/28207081/can-we-be-too-clean-for-our-own-good-the-hygiene-hypothesis-reviewed
#2
Sheenal Patel, Rebecca Gruchalla
The hygiene hypothesis began as an attempt to explain the relatively rapid rise in atopic diseases. Strachan's early hypothesis regarding the role of family size and exposure to early childhood infections in the development of atopic diseases has clearly evolved to integrate the possible effects of hygiene, eradication of parasitic infections, immunizations, improvements in home heating and ventilation, dust mite exposure, breastfeeding duration, diet, parental smoking, pollution, and exposure to pets and farm animals...
February 1, 2017: Texas Medicine
https://www.readbyqxmd.com/read/28203435/recent-developments-in-the-role-of-reactive-oxygen-species-in-allergic-asthma
#3
REVIEW
Jingjing Qu, Yuanyuan Li, Wen Zhong, Peisong Gao, Chengping Hu
Allergic asthma has a global prevalence, morbidity, and mortality. Many environmental factors, such as pollutants and allergens, are highly relevant to allergic asthma. The most important pathological symptom of allergic asthma is airway inflammation. Accordingly, the unique role of reactive oxygen species (ROS) had been identified as a main reason for this respiratory inflammation. Many studies have shown that inhalation of different allergens can promote ROS generation. Recent studies have demonstrated that several pro-inflammatory mediators are responsible for the development of allergic asthma...
January 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28193558/allergic-disease-associations-with-regional-and-localized-estimates-of-air-pollution
#4
Amy A Schultz, Jamie J Schauer, Kristen Mc Malecki
BACKGROUND: Exposure to multiple types of air pollution may contribute to and exacerbate allergic diseases including asthma and wheezing. However, few studies have examined chronic air pollution exposure and allergic disease outcomes among an adult population. Associations between potential estimates of annual average fine particulate matter (PM2.5), traffic related air pollution, and industrial source air emissions and three allergic disease outcomes (asthma, allergies and wheezing) were examined in a state-wide general population of adults...
February 10, 2017: Environmental Research
https://www.readbyqxmd.com/read/28183433/mechanisms-of-the-development-of-allergy-medall-introducing-novel-concepts-in-allergy-phenotypes
#5
REVIEW
Josep M Anto, Jean Bousquet, Mubeccel Akdis, Charles Auffray, Thomas Keil, Isabelle Momas, Dirkje S Postma, Rudolf Valenta, Magnus Wickman, Anne Cambon-Thomsen, Tari Haahtela, Bart N Lambrecht, Karin C Lodrup Carlsen, Gerard H Koppelman, Jordi Sunyer, Torsten Zuberbier, Isabelle Annesi-Maesano, Albert Arno, Carsten Bindslev-Jensen, Giuseppe De Carlo, Francesco Forastiere, Joachim Heinrich, Marek L Kowalski, Dieter Maier, Erik Melén, Henriette A Smit, Marie Standl, John Wright, Anna Asarnoj, Marta Benet, Natalia Ballardini, Judith Garcia-Aymerich, Ulrike Gehring, Stefano Guerra, Cynthia Hohmann, Inger Kull, Christian Lupinek, Mariona Pinart, Ingebjorg Skrindo, Marit Westman, Delphine Smagghe, Cezmi Akdis, Niklas Andersson, Claus Bachert, Stephane Ballereau, Ferran Ballester, Xavier Basagana, Anna Bedbrook, Anna Bergstrom, Andrea von Berg, Bert Brunekreef, Emilie Burte, Kai-Hakon Carlsen, Leda Chatzi, Jonathan M Coquet, Mirela Curin, Pascal Demoly, Esben Eller, Maria Pia Fantini, Leena von Hertzen, Vergard Hovland, Benedicte Jacquemin, Jocelyne Just, Theresa Keller, Renata Kiss, Manolis Kogevinas, Sibylle Koletzko, Susanne Lau, Irina Lehmann, Nicolas Lemonnier, Mika Mäkelä, Jordi Mestres, Peter Mowinckel, Rachel Nadif, Martijn C Nawijn, Johan Pellet, Isabelle Pin, Daniela Porta, Fanny Rancière, Emmanuelle Rial-Sebbag, Yvan Saeys, Martijn J Schuijs, Valerie Siroux, Christina G Tischer, Mathies Torrent, Raphaelle Varraso, Kalus Wenzel, Cheng-Jian Xu
Asthma, rhinitis, and eczema are complex diseases with multiple genetic and environmental factors interlinked through IgE-associated and non-IgE-associated mechanisms. Mechanisms of the Development of ALLergy (MeDALL; EU FP7-CP-IP; project no: 261357; 2010-2015) studied the complex links of allergic diseases at the clinical and mechanistic levels by linking epidemiologic, clinical, and mechanistic research, including in vivo and in vitro models. MeDALL integrated 14 European birth cohorts, including 44,010 participants and 160 cohort follow-ups between pregnancy and age 20 years...
February 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28181157/comprehensive-neighborhood-portraits-and-child-asthma-disparities
#6
Ashley W Kranjac, Rachel T Kimbro, Justin T Denney, Kristin M Osiecki, Brady S Moffett, Keila N Lopez
Objectives Previous research has established links between child, family, and neighborhood disadvantages and child asthma. We add to this literature by first characterizing neighborhoods in Houston, TX by demographic, economic, and air quality characteristics to establish differences in pediatric asthma diagnoses across neighborhoods. Second, we identify the relative risk of social, economic, and environmental risk factors for child asthma diagnoses. Methods We geocoded and linked electronic pediatric medical records to neighborhood-level social and economic indicators...
February 8, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28174512/allergic-diseases-in-the-elderly-biological-characteristics-and-main-immunological-and-non-immunological-mechanisms
#7
REVIEW
Maria Teresa Ventura, Nicola Scichilone, Roberto Paganelli, Paola Lucia Minciullo, Vincenzo Patella, Matteo Bonini, Giovanni Passalacqua, Carlo Lombardi, Livio Simioni, Erminia Ridolo, Stefano R Del Giacco, Sebastiano Gangemi, Giorgio Walter Canonica
Life expectancy and the number of elderly people are progressively increasing around the world. Together with other pathologies, allergic diseases also show an increasing incidence in geriatric age. This is partly due to the growing emphasis on a more accurate and careful diagnosis of the molecular mechanisms that do not allow to ignore the real pathogenesis of many symptoms until now unknown, and partly to the fact that the allergic people from 20 years ago represent the elderly population now. Moreover, environmental pollution predisposes to the onset of allergic asthma and dermatitis which are the result of internal pathologies more than the expression of allergic manifestations...
2017: Clinical and Molecular Allergy: CMA
https://www.readbyqxmd.com/read/28160097/indoor-environmental-factors-associated-with-pulmonary-function-among-adults-in-an-acid-rain-plagued-city-in-southwest-china
#8
Jie Yu, Longju Zhang, Ya Luo, Yin Tang, Fangxu Tuo, Jiaqi Yang, Jie Xu
OBJECTIVE: To assess the association of indoor environmental risk factors with respiratory function among adults in an acid rain-plagued city in China where coal use is frequent. METHODS: The subjects were randomly selected in the winter season. Information on selected home environmental factors was collected through administered questionnaires. Additionally, pulmonary function tests, including Forced Vital Capacity (FVC), Forced Expiratory Volume in 1 s (FEV1), FEV1/FVC and Peak Expiratory Flow Rate (PEFR) were also performed in participants...
February 3, 2017: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/28143681/the-dangerous-liaison-between-pollens-and-pollution-in-respiratory-allergy
#9
REVIEW
Giovanna Schiavoni, Gennaro D'Amato, Claudia Afferni
OBJECTIVE: To recapitulate the more recent epidemiologic studies on the association of air pollution with respiratory allergic diseases prevalence and to discuss the main limitations of current approaches used to establish a link between pollinosis and pollution. DATA SOURCES: Through the use of PubMed, we conducted a broad literature review in the following areas: epidemiology of respiratory allergic diseases, effect of pollution and climate changes on pollen grains, and immunomodulatory properties of pollen substances...
January 28, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28125028/particulate-matter-and-respiratory-symptoms-among-adults-living-in-windhoek-namibia-a-cross-sectional-descriptive-study
#10
Ndinomholo Hamatui, Caryl Beynon
This study aimed to estimate the prevalence of respiratory symptoms and to assess respiratory health risks associated with Particulate Matter (PM) exposure among the residents of Windhoek, Namibia. Objectives: To measure particulate pollution concentration in Windhoek through monitoring of particulate matter concentration and to identify any associations between particulate pollution, individual location, and respiratory health among the Windhoek resident's. Methods: an adapted standardized self-administered questionnaire was used to collect respiratory health related data as well as previous exposure, while PM monitoring was done using the ASTM (American Standard Test Method) D1739 reference method...
January 24, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28106813/transcriptome-profiling-of-the-lungs-reveals-molecular-clock-genes-expression-changes-after-chronic-exposure-to-ambient-air-particles
#11
Pengcheng Song, Zhigang Li, Xiaoqian Li, Lixin Yang, Lulu Zhang, Nannan Li, Chen Guo, Shuyu Lu, Yongjie Wei
The symptoms of asthma, breathlessness, insomnia, etc. all have relevance to pulmonary rhythmic disturbances. Epidemiology and toxicology studies have demonstrated that exposure to ambient air particles can result in pulmonary dysfunction. However, there are no data directly supporting a link between air pollution and circadian rhythm disorder. In the present study, we found that breathing highly polluted air resulted in changes of the molecular clock genes expression in lung by transcriptome profiling analyses in a rodent model...
January 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28102970/microbiomes-in-respiratory-health-and-disease-an-asia-pacific-perspective
#12
REVIEW
Sanjay H Chotirmall, Shaan L Gellatly, Kurtis F Budden, Micheál Mac Aogain, Shakti D Shukla, David L A Wood, Philip Hugenholtz, Kevin Pethe, Philip M Hansbro
There is currently enormous interest in studying the role of the microbiome in health and disease. Microbiome's role is increasingly being applied to respiratory diseases, in particular COPD, asthma, cystic fibrosis and bronchiectasis. The changes in respiratory microbiomes that occur in these diseases and how they are modified by environmental challenges such as cigarette smoke, air pollution and infection are being elucidated. There is also emerging evidence that gut microbiomes play a role in lung diseases through the modulation of systemic immune responses and can be modified by diet and antibiotic treatment...
February 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28102118/myeloid-cells-in-asthma
#13
Bart N Lambrecht, Emma K Persson, Hamida Hammad
Asthma is a heterogeneous chronic inflammatory disorder of the airways, and not surprisingly, many myeloid cells play a crucial role in pathogenesis. Antigen-presenting dendritic cells are the first to recognize the allergens, pollutants, and viruses that are implicated in asthma pathogenesis, and subsequently initiate the adaptive immune response by migrating to lymph nodes. Eosinophils are the hallmark of type 2 inflammation, releasing toxic compounds in the airways and contributing to airway remodeling. Mast cells and basophils control both the early- and late-phase allergic response and contribute to alterations in smooth muscle reactivity...
January 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28079560/prenatal-exposures-and-the-development-of-childhood-wheezing-illnesses
#14
Christian Rosas-Salazar, Tina V Hartert
PURPOSE OF REVIEW: To critically evaluate and summarize studies published between July 2015 and June 2016 linking prenatal exposures and the onset of childhood wheezing illnesses and to discuss future research directions in this field. RECENT FINDINGS: The aggregated evidence indicates a consistent detrimental effect of prenatal exposure to parental smoking, outdoor air pollution, and maternal stress on childhood wheezing illnesses. Less consistent evidence suggests an adverse impact of maternal obesity during pregnancy and prenatal exposure to antibiotics on these outcomes...
January 11, 2017: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28079559/strategies-to-alter-the-natural-history-of-childhood-asthma
#15
K A Lee-Sarwar, L B Bacharier, A A Litonjua
PURPOSE OF REVIEW: Asthma exhibits significant heterogeneity in occurrence and severity over the lifespan. Our goal is to discuss recent evidence regarding determinants of the natural history of asthma during childhood, and review the rationale behind and status of major efforts to alter its course. RECENT FINDINGS: Variations in microbial exposures are associated with risk of allergic disease, and the use of bacterial lysates may be a promising preventive strategy...
January 11, 2017: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28077472/erj-january-podcast-the-bioshare-approach-to-understanding-of-the-effects-of-air-pollution-on-asthma
#16
(no author information available yet)
No abstract text is available yet for this article.
January 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28076315/meteorological-parameters-and-pollutants-on-asthma-exacerbation-in-bangalore-india-an-ecological-retrospective-time-series-study
#17
Kirthana U Kunikullaya, Ambarish Vijayaraghava, P Asha, Radhika Kunnavil, B V MuraliMohan
BACKGROUND: Literature has shown a significant association between asthma exacerbations and pollutant levels during that time. There is very limited evidence in India, especially Bangalore, for impacts of meteorological changes and pollution on asthma hospital admissions in adults. The objective was to study the impact of air pollution and meteorological parameters on asthma exacerbation in Bangalore. METHODS: This study quantitatively analyzed the relation between acute exacerbations of asthma and related admissions to the hospital with the air pollution and the meteorological conditions during that time...
January 11, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28068894/strain-differences-in-a-murine-model-of-air-pollutant-induced-nonatopic-asthma-and-rhinitis
#18
Jack R Harkema, Lucas A Hotchkiss, Nicholas A Vetter, Daven N Jackson-Humbles, Ryan P Lewandowski, James G Wagner
Ozone is an irritating gas found in photochemical smog. Epidemiological associations have been made between the onset of asthma and childhood exposures to increasing levels of ambient ozone (i.e., air pollutant-induced nonatopic asthma). Individuals, however, vary in their susceptibility to this outdoor air pollutant, which may be due, in part, to their genetic makeup. The present study was designed to test the hypothesis that there are murine strain-dependent differences in pulmonary and nasal pathologic responses to repeated ozone exposures...
January 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/28067786/impact-of-air-pollutants-on-outpatient-visits-for-acute-respiratory-outcomes
#19
Ran Li, Ning Jiang, Qichen Liu, Jing Huang, Xinbiao Guo, Fan Liu, Zhancheng Gao
The air pollution in China is a severe problem. The aim of our study was to investigate the impact of air pollutants on acute respiratory outcomes in outpatients. Outpatient data from 2 December 2013 to 1 December 2014 were collected, as well as air pollutant data including ozone (O₃), nitrogen dioxide (NO₂), carbon monoxide (CO), sulfur dioxide (SO₂), and particulate matter (PM2.5 and PM10). We screened six categories of acute respiratory outcomes and analyzed their associations with different air pollutant exposures, including upper respiratory tract infection (URTI), acute bronchitis (AB), community-acquired pneumonia (CAP), acute exacerbation of chronic obstructive pulmonary disease (AECOPD), acute exacerbation of asthma (AE-asthma), and acute exacerbation of bronchiectasis (AEBX)...
January 5, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28061882/indoor-and-outdoor-pm10-levels-at-schools-located-near-mine-dumps-in-gauteng-and-north-west-provinces-south-africa
#20
Vusumuzi Nkosi, Janine Wichmann, Kuku Voyi
BACKGROUND: Few studies in South Africa have investigated the exposure of asthmatic learners to indoor and outdoor air pollution at schools. This study compared outdoor PM10 and SO2 exposure levels in exposed (1-2 km from gold mine dumps) and unexposed schools (5 km or more from gold mine dumps). It also examined exposure of asthmatic children to indoor respirable dust at exposed and unexposed schools. METHODS: The study was conducted between 1 and 31 October 2012 in five schools from exposed and five from unexposed communities...
January 6, 2017: BMC Public Health
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