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https://www.readbyqxmd.com/read/29334676/statins-in-the-treatment-of-copd-and-asthma-where-do-we-stand
#1
REVIEW
Jennifer Y So, Santosh Dhungana, Joanna J Beros, Gerard J Criner
Asthma and chronic obstructive pulmonary disease (COPD) are the two most prevalent obstructive lung diseases that account for tremendous morbidity and mortality throughout the world. These diseases have strong inflammatory components, with multiple prior studies showing elevated levels of various inflammatory markers and cells in those with COPD and asthma. Therefore, efforts to target inflammation in management of these diseases are of great interest. Statins, which define a class of drugs that are HMG-CoA inhibitors, are used to decrease cholesterol levels and have also been described to have many pleotropic effects that include anti-inflammatory and anti-oxidative properties...
January 12, 2018: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/29319332/nebivolol-attenuates-oxidative-stress-and-inflammation-in-a-guinea-pig-model-of-ovalbumin-induced-asthma-a-possible-mechanism-for-its-favorable-respiratory-effects
#2
Sally A Abuelezz
An experimental model of ovalbumin (OVA) induced asthma was used to assess the effects of nebivolol, the third-generation selective β1-adrenergic receptor blocker, on airway reactivity, lung inflammation, and oxidative stress markers. The asthma induction protocol was done by OVA sensitization and challenge. Guinea pigs were classified into control, asthmatic, or asthmatic receiving nebivolol either 7.5 or 15 mg·kg-1·day-1 orally. At the end of the study respiratory, the anti-inflammatory and antioxidative effects of nebivolol were assessed...
January 10, 2018: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/29313707/sputum-eosinophilia-and-mri-ventilation-heterogeneity-in-severe-asthma
#3
Sarah Svenningsen, Rachel L Eddy, Hui Fang Lim, P Gerard Cox, Parameswaran Nair, Grace Parraga
RATIONALE: Inflammation and smooth muscle dysfunction are integral components of severe asthma that contribute to luminal obstruction causing airflow limitation, ventilation heterogeneity and symptoms. This is important for guiding treatment decisions directed at inflammatory (eg. anti-Th2 monoclonal antibodies) and non-inflammatory, smooth muscle-mediated (eg. bronchial thermoplasty) components of severe asthma. OBJECTIVE: To investigate the contribution of eosinophilic-bronchitis and smooth muscle dysfunction to magnetic-resonance-imaging (MRI) ventilation heterogeneity in severe asthmatics...
January 9, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29301525/annexin-a1-in-plasma-from-patients-with-bronchial-asthma-its-association-with-lung-function
#4
Sun-Hye Lee, Pureun-Haneul Lee, Byeong-Gon Kim, Hyun-Jeong Seo, Ae-Rin Baek, Jong-Sook Park, June-Hyuk Lee, Sung-Woo Park, Do-Jin Kim, Choon-Sik Park, An-Soo Jang
BACKGROUND: Annexin-A1 (ANXA1) is a glucocorticoid-induced protein with multiple actions in the regulation of inflammatory cell activation. The anti-inflammatory protein ANXA1 and its N-formyl peptide receptor 2 (FPR2) have protective effects on organ fibrosis. However, the exact role of ANXA1 in asthma remains to be determined. The aim of this study was to identify the role of ANXA1 in bronchial asthma. METHODS: In mice sensitized and challenged with ovalbumin (OVA-OVA mice) and mice sensitized with saline and challenged with air (control mice), we investigated the potential links between ANXA1 levels and bronchial asthma using ELISA, immunoblotting, and immunohistochemical staining...
January 4, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29290104/priorities-for-future-research-into-asthma-diagnostic-tools-a-pan-eu-consensus-exercise-from-the-european-asthma-research-innovation-partnership-earip
#5
L Garcia-Marcos, J Edwards, E Kennington, P Aurora, E Baraldi, S Carraro, M Gappa, R Louis, A Moreno-Galdo, D G Peroni, M Pijnenburg, K N Priftis, M Sanchez-Solis, A Schuster, S Walker
The diagnosis of asthma is currently based on clinical history, physical examination and lung function; and to date there are no accurate objective tests either to confirm the diagnosis or to discriminate between different types of asthma. This consensus exercise reviews the state-of-the-art in asthma diagnosis to identify opportunities for future investment based on the likelihood of their successful development, potential for widespread adoption and their perceived impact on asthma patients. Using a two-stage e-Delphi process and a summarising workshop, a group of European asthma experts including health professionals, researchers, people with asthma and industry representatives ranked the potential impact of research investment in each technique or tool for asthma diagnosis and monitoring...
December 31, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29286102/pin1-facilitates-isoproterenol%C3%A2-induced-cardiac-fibrosis-and-collagen-deposition-by-promoting-oxidative-stress-and-activating-the-mek1-2%C3%A2-erk1-2-signal-transduction-pathway-in-rats
#6
Xian Wu, Mingjiang Li, Su-Qin Chen, Sha Li, Furong Guo
Peptidyl‑prolyl cis/trans isomerase, NIMA-interacting 1 (Pin1) is a member of a large superfamily of phosphorylation‑dependent peptidyl‑prolyl cis/trans isomerases, which not only regulates multiple targets at various stages of cellular processes, but is also involved in the pathogenesis of several diseases, including microbial infection, cancer, asthma and Alzheimer's disease. However, the role of Pin1 in cardiac fibrosis remains to be fully elucidated. The present study investigated the potential mechanism of Pin1 in isoprenaline (ISO)‑induced myocardial fibrosis in rats...
December 29, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29273135/complex-relationships-between-vitamin-d-and-allergic-sensitization-among-puerto-rican-2-year-old-children
#7
Srimathi Kannan, Matthew S Perzanowski, Harish B Ganguri, Dolores Acevedo-Garcia, Luis M Acosta, Molly Spatcher, Adnan Divjan, Ginger L Chew
BACKGROUND: In the United States, Puerto Ricans have a higher prevalence of asthma than other Latino ethnicities. Low vitamin D levels for children living in northern climates could be a factor. OBJECTIVE: To assess serum 25-hydroxyvitamin D [25(OH)D] distributions (a marker of vitamin D) and associations among vitamin D, allergic sensitization, early wheeze, and home/demographic factors. METHODS: Puerto Rican infants born in New York City, with a maternal history of atopy, were enrolled in a birth cohort...
January 2018: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29250067/group-2-innate-lymphoid-cells-exhibit-a-dynamic-phenotype-in-allergic-airway-inflammation
#8
Bobby W S Li, Ralph Stadhouders, Marjolein J W de Bruijn, Melanie Lukkes, Dior M J M Beerens, Maarten D Brem, Alex KleinJan, Ingrid Bergen, Heleen Vroman, Mirjam Kool, Wilfred F J van IJcken, Tata Nageswara Rao, Hans Jörg Fehling, Rudi W Hendriks
Group 2 innate lymphoid cells (ILC2) are implicated in allergic asthma as an early innate source of the type 2 cytokines IL-5 and IL-13. However, their induction in house dust mite (HDM)-mediated airway inflammation additionally requires T cell activation. It is currently unknown whether phenotypic differences exist between ILC2s that are activated in a T cell-dependent or T cell-independent fashion. Here, we compared ILC2s in IL-33- and HDM-driven airway inflammation. Using flow cytometry, we found that surface expression levels of various markers frequently used to identify ILC2s were dependent on their mode of activation, highly variable over time, and differed between tissue compartments, including bronchoalveolar lavage (BAL) fluid, lung, draining lymph nodes, and spleen...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29249824/associations-of-genetic-determinants-of-serum-vitamin-b12-and-folate-concentrations-with-hay-fever-and-asthma-a-mendelian-randomization-meta-analysis
#9
Tea Skaaby, Amy E Taylor, Rikke K Jacobsen, Line T Møllehave, Nele Friedrich, Betina H Thuesen, Daniel Mønsted Shabanzadeh, Lavinia Paternoster, Uwe Völker, Matthias Nauck, Henry Völzke, Marcus Munafò, Torben Hansen, Oluf Pedersen, Torben Jørgensen, Niels Grarup, Allan Linneberg
BACKGROUND/OBJECTIVES: Studies of the effect of vitamin B12 and folate on the risk of asthma and hay fever have shown inconsistent results that may be biased by reverse causation and confounding. We used a Mendelian randomization approach to examine a potential causal effect of vitamin B12 and folate on hay fever, asthma, and selected biomarkers of allergy by using 11 vitamin B12-associated single-nucleotide polymorphisms (SNPs) and 2 folate-associated SNPs as unconfounded markers. SUBJECTS/METHODS: We included 162,736 participants from 9 population-based studies including the UK Biobank...
December 18, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29248521/monoclonal-antibodies-against-il-13-and-il-31ra-in-development-for-atopic-dermatitis
#10
Carsten R Hamann, Jacob P Thyssen
The IL-13 and IL-31 cytokines and inflammatory pathways have been identified as important for atopic dermatitis (AD) pathophysiology. Monoclonal antibodies against IL-13 have been studied for the treatment of asthma since 2011. More recently, two phase two trials have been completed with these antibodies in atopic dermatitis treatment. In both trials, significant reductions of Eczema Area and Severity Index (EASI) scores were seen. IL-31 is thought to play a role transmitting itch sensation to the central nervous system, and blocking IL-31 activity reduces itch in atopic dermatitis patients...
December 14, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29246216/association-analysis-of-ilvbl-gene-polymorphisms-with-aspirin-exacerbated-respiratory-disease-in-asthma
#11
Hun Soo Chang, Jong Sook Park, Ho Sung Lee, Jiwon Lyu, Ji-Hye Son, Inseon S Choi, Hyoung Doo Shin, Choon-Sik Park
BACKGROUND: We previously reported that the ILVBL gene on chromosome 19p13.1 was associated with the risk for aspirin-exacerbated respiratory disease (AERD) and the percent decline of forced expired volume in one second (FEV1) after an oral aspirin challenge test. In this study, we confirmed the association between polymorphisms and haplotypes of the ILVBL gene and the risk for AERD and its phenotype. METHODS: We recruited 141 AERD and 995 aspirin-tolerant asthmatic (ATA) subjects...
December 16, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29241813/prenatal-stress-challenge-impairs-fetal-lung-development-and-asthma-severity-sex-specifically-in-mice
#12
Dimitra E Zazara, Clara V Perani, María E Solano, Petra C Arck
Allergic asthma is an increasing health problem worldwide. Interestingly, prenatal challenges such as stress have been associated with an increased risk for asthma during childhood. The underlying pathogenesis of how prenatal stress increases the risk for asthma still remains unclear. Potential targets could be that the fetal immune ontogeny or fetal lung development are compromised by prenatal challenges. Here, we aimed to identify whether prenatal stress challenge affects fetal lung development in mice. C57BL/6 pregnant mice were challenged with sound stress and fetal lung development was assessed histologically...
July 19, 2017: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/29229094/no-genetic-association-detected-with-mepolizumab-efficacy-in-severe-asthma
#13
Lynn Condreay, Mathias Chiano, Hector Ortega, Natalie Buchan, Elizabeth Harris, Eugene R Bleecker, Philip J Thompson, Marc Humbert, Peter Gibson, Steven Yancey, Soumitra Ghosh
BACKGROUND AND OBJECTIVES: Treatment with mepolizumab, a humanized monoclonal antibody to interleukin-5, reduces the rate of asthma exacerbations and the requirement for systemic glucocorticoids while maintaining asthma control. Treatment decisions are guided by predictors of response, including blood eosinophil thresholds in patients with frequent exacerbations despite intensive anti-inflammatory and controller treatment. Identification of additional predictors of response could aid treatment decisions...
November 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/29227262/-combined-course-of-bronchial-asthma-and-gastroesophageal-reflux-disease-its-clinical-functional-peculiarities-and-mechanisms-of-its-correction
#14
M Derbak, O Boldizhar, Ye Sirchak, Ya Lazur, M Aleksandrova
The combined course of bronchial asthma (BA) and digestive system pathology is one of the most frequent, severe and clinically varied pathology. The purpose of the paper - to study the influence of gastroesophageal reflux disease (GERD) on the course of BA and the effectiveness of antireflux therapy in combined pathology. Patients with combined pathology were treated in full-time department more frequently than patients with isolated BA (3,4±0,5 per year to - 1,8±0,3; р<0,05). The statistically reliable correlation between frequency of heartburn and frequency of cough, which goes over to asthma attacks was observed (r=0,59; р<0,05)...
November 2017: Georgian Medical News
https://www.readbyqxmd.com/read/29220800/exposure-to-traffic-related-air-pollution-and-the-composition-of-the-gut-microbiota-in-overweight-and-obese-adolescents
#15
Tanya L Alderete, Roshonda B Jones, Zhanghua Chen, Jeniffer S Kim, Rima Habre, Frederick Lurmann, Frank D Gilliland, Michael I Goran
BACKGROUND: Traffic-related air pollution (TRAP) exposure has been linked to type 2 diabetes and metabolic dysfunction in humans. Animal studies suggest that air pollutants may alter the composition of the gut microbiota, which may negatively impact metabolic health through changes in the composition and/or function of the gut microbiome. OBJECTIVES: The primary aim of this study was to determine whether elevated TRAP exposure was correlated with gut bacterial taxa in overweight and obese adolescents from the Meta-AIR (Metabolic and Asthma Incidence Research) study...
December 5, 2017: Environmental Research
https://www.readbyqxmd.com/read/29220595/dose-dependent-effects-of-tadalafil-and-roflumilast-on-ovalbumin-induced-airway-hyperresponsiveness-in-guinea-pigs
#16
Anna Urbanova, Ivana Medvedova, Martin Kertys, Pavol Mikolka, Petra Kosutova, Daniela Mokra, Juraj Mokrý
INTRODUCTION: Chronic obstructive diseases of airways associated with cough and/or airway smooth muscle hyperresponsiveness are usually treated with bronchodilating and anti-inflammatory drugs. Recently, selective phosphodiesterase (PDE) 4 inhibitors have been introduced into the therapy of chronic obstructive pulmonary disease. Several studies have demonstrated their ability to influence the airway reactivity and eosinophilic inflammation by increasing the intracellular cAMP concentrations also in bronchial asthma...
December 8, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/29217968/investigation-of-markers-of-allergic-sensitization-and-viral-infections-in-children-with-allergy-and-asthma
#17
Rūta Dubakienė, Vilija Rubinaitė, Malvina Petronytė, Indrė Dalgėdienė, Odilija Rudzevičienė, Dalia Dubakaitė, Palmira Rudalevičienė, Aurelija Žvirblienė
Background: Allergic diseases are the most prevalent chronic diseases in the developed countries. It is believed that early allergic sensitization and respiratory viral infections play an important role in the development of allergic diseases and asthma. Methods: The current study investigated the correlation between asthma, allergy, and various markers - allergen-specific IgE, IgG4 and IgA, ECP, IgM, and IgG antibodies against respiratory viruses hRSV and hPIV1-4 - in blood serum samples from 80 children (mean age 5...
2017: Acta medica Lituanica
https://www.readbyqxmd.com/read/29213218/tiotropium-in-asthma-back-to-the-future-of-anticholinergic-treatment
#18
REVIEW
Matteo Bonini, Nicola Scichilone
Asthma is among the most common chronic diseases worldwide; however, despite progresses in the understanding of the patho-physiological mechanisms and advances in the development of new therapeutic options and strategies, the disease remains uncontrolled in a not trivial proportion of subjects. Thus, the need of new molecules to treat the underlying biological and functional abnormalities and to control symptoms is strongly advocated by clinicians. In this scenario, the most recent GINA guidelines have included the use of tiotropium bromide in the most severe and uncontrolled forms of the disease, in addition to treatment with inhaled corticosteroid plus long acting beta adrenergic agents...
2017: Clinical and Molecular Allergy: CMA
https://www.readbyqxmd.com/read/29208260/ghrelin-ameliorates-asthma-by-inhibiting-endoplasmic-reticulum-stress
#19
Tian Fu, Lei Wang, Qingdi Zeng, Yan Zhang, Baowei Sheng, Liping Han
BACKGROUND: This study aimed to confirm the ameliorative effect of ghrelin on asthma and investigate its mechanism. MATERIALS AND METHODS: The murine model of asthma was induced by ovalbumin (OVA) treatment and assessed by histological pathology and airway responsiveness to methacholine. The total and differential leukocytes were counted. Tumor necrosis factor α, interferon γ, interleukin-5 and interleukin-13 levels in bronchoalveolar lavage fluid were quantified by commercial kits...
December 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/29206638/work-related-asthma-in-a-sample-of-subjects-with-established-asthma
#20
Donatella Talini, Alessandro Ciberti, Dusca Bartoli, Paolo Del Guerra, Tonina Enza Iaia, Maria Lemmi, Andrea Innocenti, Francesco Di Pede, Manuela Latorre, Laura Carrozzi, Pierluigi Paggiaro
OBJECTIVE: To assess the impact of occupational exposure to irritants or sensitizers on the occurrence, recrudescence and worsening of asthma and to identify unrecognized cases of work related asthma (WRA) including Work-Exacerbated Asthma (WEA) and Occupational Asthma (OA), in a general asthma clinic population sample. SETTING, DESIGN AND PARTICIPANTS: The study was a population-based cross sectional survey. 1289 asthmatic subjects (from 15 to 46 yrs old) living in a vast district of Tuscany (Italy) were identified from the Medical Reimbursement Register of the National Health System...
September 2017: Respiratory Medicine
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