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https://www.readbyqxmd.com/read/29166426/rhinology-future-debates-an-euforea-report
#1
W J Fokkens, C Bachert, M Bernal-Sprekelsen, J Bousquet, M Djandji, A Dorenbaum, D Hakimi-Mehr, S Hendry, C Hopkins, A Leunig, L Mannent, D Mucha, M Onerci, B Pugin, S Toppila-Salmi, P Rowe, S F Seys, S Stimson, A Strzembosz, P W Hellings
The first Rhinology Future Debates was held in Brussels in December 2016, organized by EUFOREA (European Forum for Research and Education in Allergy and Airways diseases). The purpose of these debates is to bring novel developments in the field of Rhinology to the attention of the medical, paramedical and patient community, in a highly credible and balanced context. For the first time in Rhinology, a peer to peer scientific exchange with key experts in the field of rhinology and key medical colleagues from leading industries let to a brainstorming and discussion event on a number of hot issues in Rhinology...
November 22, 2017: Rhinology
https://www.readbyqxmd.com/read/29166423/exhaled-and-nasal-nitric-oxide-in-chronic-rhinosinusitis-patients-with-nasal-polyps-in-primary-care
#2
M Frendo, K Hakansson, S Schwer, A T Ravn, H Meteran, C Porsbjerg, V Backer, C von Buchwald
BACKGROUND: Chronic rhinosinusitis with nasal polyps (CRSwNP) is a common inflammatory disorder associated with lower airway disease. However, only few studies of CRSwNP from outside secondary/tertiary care centres have been published. We recently reported an asthma frequency of 44% and 65% in primary and secondary care patients respectively. Therefore, we hypothesise that inflammation of the lower airways could be present in all CRSwNP patients, even without asthma. Here, we assessed the degree of lower and upper airway inflammation using exhaled and nasal nitric oxide (NO) in primary care CRSwNP patients with and without asthma...
November 22, 2017: Rhinology
https://www.readbyqxmd.com/read/29164451/the-potential-of-p2x7-receptors-as-a-therapeutic-target-including-inflammation-and-tumour-progression
#3
REVIEW
Geoffrey Burnstock, Gillian E Knight
Seven P2X ion channel nucleotide receptor subtypes have been cloned and characterised. P2X7 receptors (P2X7R) are unusual in that there are extra amino acids in the intracellular C terminus. Low concentrations of ATP open cation channels sometimes leading to cell proliferation, whereas high concentrations of ATP open large pores that release inflammatory cytokines and can lead to apoptotic cell death. Since many diseases involve inflammation and immune responses, and the P2X7R regulates inflammation, there has been recent interest in the pathophysiological roles of P2X7R and the potential of P2X7R antagonists to treat a variety of diseases...
November 21, 2017: Purinergic Signalling
https://www.readbyqxmd.com/read/29164122/changes-in-expression-of-the-clock-gene-in-obstructive-sleep-apnea-syndrome-patients-are-not-reverted-by-continuous-positive-airway-pressure-treatment
#4
Susana Moreira, Raquel Rodrigues, André B Barros, Nadja Pejanovic, Ana Neves-Costa, Dora Pedroso, Cláudia Pereira, Dina Fernandes, João Valença Rodrigues, Cristina Barbara, Luís Ferreira Moita
Purpose: Metabolic syndrome and cardiovascular disease are strongly associated with obstructive sleep apnea syndrome (OSAS), which causes substantial changes to normal circadian physiological functions, including metabolic pathways. Because core clock genes are known to be modulated by sleep/vigilance cycles, we asked whether the expression level of mRNA coding for clock genes is altered in non-treated OSAS patients and if it can be corrected by standard continuous positive airway pressure (CPAP) treatment...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/29163721/the-role-of-spirometry-in-the-management-of-obstructive-airways-disease-how-pharmacists-should-get-involved
#5
Alan Kaplan, Suzanne Levitz, Kristine Petrasko
No abstract text is available yet for this article.
July 2017: Canadian Pharmacists Journal: CPJ, Revue des Pharmaciens du Canada: RPC
https://www.readbyqxmd.com/read/29163530/sense-and-immunity-context-dependent-neuro-immune-interplay
#6
REVIEW
Simmie L Foster, Corey R Seehus, Clifford J Woolf, Sébastien Talbot
The sensory nervous and immune systems, historically considered autonomous, actually work in concert to promote host defense and tissue homeostasis. These systems interact with each other through a common language of cell surface G protein-coupled receptors and receptor tyrosine kinases as well as cytokines, growth factors, and neuropeptides. While this bidirectional communication is adaptive in many settings, helping protect from danger, it can also become maladaptive and contribute to disease pathophysiology...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29163511/lactoferrin-in-a-context-of-inflammation-induced-pathology
#7
REVIEW
Marian L Kruzel, Michal Zimecki, Jeffrey K Actor
Much progress has been achieved to elucidate the function of lactoferrin (LTF), an iron-binding glycoprotein, in the milieu of immune functionality. This review represents a unique examination of LTF toward its importance in physiologic homeostasis as related to development of disease-associated pathology. The immunomodulatory nature of this protein derives from its unique ability to "sense" the immune activation status of an organism and act accordingly. Underlying mechanisms are proposed whereby LTF controls disease states, thereby pinpointing regions of entry for LTF in maintenance of various physiological pathways to limit the magnitude of tissue damage...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29163164/lassbio-897-reduces-lung-injury-induced-by-silica-particles-in-mice-potential-interaction-with-the-a2a-receptor
#8
Vinicius F Carvalho, Tatiana P T Ferreira, Ana C S de Arantes, François Noël, Roberta Tesch, Carlos M R Sant'Anna, Eliezer J L Barreiro, Carlos A M Fraga, Patrícia M Rodrigues E Silva, Marco A Martins
Silicosis is a lethal fibro-granulomatous pulmonary disease highly prevalent in developing countries, for which no proper therapy is available. Among a small series of N-acylhydrazones, the safrole-derived compound LASSBio-897 (3-thienylidene-3, 4-methylenedioxybenzoylhydrazide) raised interest due to its ability to bind to the adenosine A2A receptor. Here, we evaluated the anti-inflammatory and anti-fibrotic potential of LASSBio-897, exploring translation to a mouse model of silicosis and the A2A receptor as a site of action...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29162060/long-term-prognosis-of-chronic-cough-a-prospective-observational-cohort-study
#9
Heikki O Koskela, Anne M Lätti, Minna K Purokivi
BACKGROUND: The long-term prognosis of chronic cough and its determinants need to be clarified. METHODS: This is a prospective, observational cohort study. Eighty-nine unselected subjects with chronic (> 8 weeks' duration) cough were carefully investigated: Clinical examination, symptom questionnaire, Leicester Cough Questionnaire (LCQ), skin prick tests, ambulatory peak expiratory flow monitoring, spirometry before and after 0.4 mgs of salbutamol, exhaled nitric oxide concentration measurement, hypertonic saline cough provocation test, and histamine bronchial provocation test...
November 21, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29161087/the-hygiene-hypothesis-in-the-age-of-the-microbiome
#10
Markus J Ege
The original version of the hygiene hypothesis suggested that infections transmitted early in life by "unhygienic contact" prevented allergies. Examples were endemic fecal-oral infections by viral, bacterial, or protozoic pathogens, such as hepatitis A virus, Helicobacter pylori, or Toxoplasma gondii. Later, this concept also included microorganisms beyond pathogens, such as commensals and symbionts, and the hygiene hypothesis was extended to inflammatory diseases in general. An impressive illustration of the hygiene hypothesis was found in the consistent farm effect on asthma and allergies, which has partly been attributed to immunomodulatory properties of endotoxin as emitted by livestock...
November 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29161084/mitochondrial-dysfunction-linking-obesity-and-asthma
#11
Naveen K Bhatraju, Anurag Agrawal
The bidirectional epidemiological association between asthma and obesity is well known. Recent evidence suggests that there is an intersection of the pathophysiological molecular pathways leading to either obesity or asthma, at the level of mitochondria. This is not surprising, because mitochondria, beyond their roles as the metabolic powerhouses of the cell, serve as sensors of threats, regulators of stress signaling, and effectors of cytotoxicity. Reduced mitochondrial function and low metabolic activity are well-recognized features of obesity...
November 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29161081/diet-obesity-and-asthma
#12
Lisa G Wood
Obesity has reached epidemic proportions in many developed countries as Western dietary patterns have been widely adopted. These diets are characterized by excess energy intake as well as regular consumption of processed or "fast" foods and limited consumption of fruit, vegetables, and whole grains. The result is a high intake of saturated fat, refined carbohydrates, and sodium; and a low intake of fiber, vitamins, and other phytochemicals. This type of poor-quality diet has been associated with increased risk of chronic inflammatory diseases, including asthma...
November 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29161080/microbial-insights-into-asthmatic-immunopathology-a-forward-looking-synthesis-and-commentary
#13
Rozlyn C T Boutin, Charisse Petersen, B Brett Finlay
Asthma is an aberrant inflammatory condition of the airways affecting approximately 1 in 10 children in affluent countries. An increasing body of evidence suggests that microbial exposures during a "critical window" of development in early life play a central role in determining future asthma susceptibility. However, like the disease itself, considerable heterogeneity exists among studies in which researchers have investigated the associations between particular microbial taxa and asthma immunology. As our understanding of asthmatic pathology evolves to enable clearer definition of asthma endotypes, it will be important to consider the impact of various environmental factors on each endotype...
November 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29161075/metabolic-dysregulation-systemic-inflammation-and-pediatric-obesity-related-asthma
#14
Deepa Rastogi, Fernando Holguin
Obesity-related asthma is a distinct pediatric asthma phenotype. It is associated with higher disease burden, lower pulmonary function, and suboptimal response to current asthma medications. Recent studies have made inroads into elucidating its pathophysiology. Systemic immune responses in obese children with asthma are skewed to a nonatopic T-helper cell type 1 (Th1) pattern that correlates with pulmonary function deficits. The prevalence of metabolic dysregulation is also higher among obese children with asthma than among normal-weight children with asthma...
November 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29160380/frequency-of-copd-in-health-care-workers-who-smoke
#15
Ivan Kopitovic, Aleksandar Bokan, Ilija Andrijevic, Miroslav Ilic, Sanja Marinkovic, Dragana Milicic, Marija Vukoja
OBJECTIVE: COPD is one of the major causes of morbidity and mortality worldwide. Health care providers should counsel their smoking patients with COPD to quit smoking as the first treatment step. However, in countries with high prevalences of smoking, health care workers may also be smokers. The aim of this study was to determine the frequency and severity of COPD in health care workers who smoke. METHODS: This was a cross-sectional study. All health care workers who smoke, from nine health care centers in Serbia, were invited to participate in the study and perform spirometry...
September 2017: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/29159964/blocking-antibodies-induced-by-allergen-specific-immunotherapy-ameliorate-allergic-airway-disease-in-a-human-mouse-chimeric-model
#16
Caterina Vizzardelli, Miriam Gindl, Simone Roos, Christian Möbs, Birgit Nagl, Felix Zimmann, Veronika Sexl, Lukas Kenner, Alina Neunkirchner, Gerhard J Zlabinger, Winfried F Pickl, Wolfgang Pfützner, Barbara Bohle
BACKGROUND: Allergen-specific immunotherapy (AIT) induces specific blocking antibodies (Ab) which are claimed to prevent IgE-mediated reactions to allergens. Additionally, AIT modulates cellular responses to allergens, e.g. by desensitizing effector cells, inducing regulatory T and B lymphocytes and immune deviation. It is still enigmatic which of these mechanisms mediate(s) clinical tolerance. We sought to address the role of AIT-induced blocking Ab separately from cellular responses in a chimeric human/mouse model of respiratory allergy...
November 21, 2017: Allergy
https://www.readbyqxmd.com/read/29158939/mediastinal-tracheostoma-for-treatment-of-tracheostenosis-after-tracheostomy-in-a-patient-with-mucopolysaccharidosis-induced-tracheomalacia
#17
Yasuhiro Chikaishi, Kenichi Kobayashi, Shuichi Shinohara, Akihiro Taira, Yusuke Nabe, Shinji Shinohara, Taiji Kuwata, Masaru Takenaka, Soichi Oka, Ayako Hirai, Kazue Yoneda, Koji Kuroda, Naoko Imanishi, Yoshinobu Ichiki, Fumihiro Tanaka
Background: Treatment of tracheostenosis after tracheostomy in pediatric patients is often difficult. Mucopolysaccharidosis is a lysosomal storage disease that may induce obstruction of the airways. Case Presentation: A 16-year-old male patient underwent long-term follow-up after postnatal diagnosis of type II mucopolysaccharidosis. At 11 years of age, tracheostomy was performed for mucopolysaccharidosis-induced laryngeal stenosis. One week prior to presentation, he was admitted to another hospital on an emergency basis for major dyspnea...
2017: Case Reports in Surgery
https://www.readbyqxmd.com/read/29158869/otitis-media-with-effusion-and-atopy-is-there-a-causal-relationship
#18
REVIEW
Mario E Zernotti, Ruby Pawankar, Ignacio Ansotegui, Hector Badellino, Juan Sebastian Croce, Elham Hossny, Motohiro Ebisawa, Nelson Rosario, Mario Sanchez Borges, Yuan Zhang, Luo Zhang
Otitis Media with Effusion (OME) is an inflammatory condition of the middle ear cleft, acute or chronic, with collection of fluid in the middle ear with an intact tympanic membrane. It is a very common disease in childhood, the most frequent cause of hearing loss in childhood and often requiring surgery. OME is called chronic when the fluid in the middle ear persists for more than three months or when the episodes recur six or more times in one year. The current article covers various aspects of OME including definition, epidemiology...
2017: World Allergy Organization Journal
https://www.readbyqxmd.com/read/29158683/animal-models-of-asthma-utility-and-limitations
#19
REVIEW
Marcelo Vivolo Aun, Rafael Bonamichi-Santos, Fernanda Magalhães Arantes-Costa, Jorge Kalil, Pedro Giavina-Bianchi
Clinical studies in asthma are not able to clear up all aspects of disease pathophysiology. Animal models have been developed to better understand these mechanisms and to evaluate both safety and efficacy of therapies before starting clinical trials. Several species of animals have been used in experimental models of asthma, such as Drosophila, rats, guinea pigs, cats, dogs, pigs, primates and equines. However, the most common species studied in the last two decades is mice, particularly BALB/c. Animal models of asthma try to mimic the pathophysiology of human disease...
2017: Journal of Asthma and Allergy
https://www.readbyqxmd.com/read/29158154/tiotropium-inhibits-mucin-production-stimulated-by-neutrophil-elastase-but-not-by-il-13
#20
Kosaku Komiya, Shuichi Kawano, Isao Suzaki, Tomohiro Akaba, Jun-Ichi Kadota, Bruce K Rubin
Tiotropium, a muscarinic antagonist, is approved for the treatment of chronic obstructive pulmonary disease and poorly controlled asthma. Because mucus hypersecretion is characteristic of both of these diseases, and muscarinic agonists stimulate mucus secretion, we hypothesized that tiotropium would attenuate airway MUC5AC expression. We grew normal human bronchial epithelial (NHBE) cells to a goblet cell phenotype with 1 or 5 ng/mL of IL-13 and exposed these cells to 10 nM tiotropium or excipient for the full 14 days...
November 17, 2017: Pulmonary Pharmacology & Therapeutics
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