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https://www.readbyqxmd.com/read/29460206/deciphering-the-trophic-interaction-between-akkermansia-muciniphila-and-the-butyrogenic-gut-commensal-anaerostipes-caccae-using-a-metatranscriptomic-approach
#1
Loo Wee Chia, Bastian V H Hornung, Steven Aalvink, Peter J Schaap, Willem M de Vos, Jan Knol, Clara Belzer
Host glycans are paramount in regulating the symbiotic relationship between humans and their gut bacteria. The constant flux of host-secreted mucin at the mucosal layer creates a steady niche for bacterial colonization. Mucin degradation by keystone species subsequently shapes the microbial community. This study investigated the transcriptional response during mucin-driven trophic interaction between the specialised mucin-degrader Akkermansia muciniphila and a butyrogenic gut commensal Anaerostipes caccae. A...
February 19, 2018: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29455115/therapeutic-use-of-heparin-and-derivatives-beyond-anticoagulation-in-patients-with-bronchial-asthma-or-copd
#2
REVIEW
Janis K Shute, Ermanno Puxeddu, Luigino Calzetta
In this review, we identify potential targets for the therapeutic effects of heparin in asthma and chronic obstructive pulmonary disease (COPD), consider the safety and delivery modalities of this therapeutic approach. Specifically, we point to the anti-inflammatory, antioxidant and mucolytic effects of unfractionated heparin with potential to modify disease progression in COPD and asthma when administered via the inhaled route. Inhaled heparin may represent an effective add-on therapy in COPD and asthma patient groups, especially when taking into consideration the relative deficiency in endogenous heparin reported in asthma patients...
February 15, 2018: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/29441886/effects-and-mechanisms-of-ambroxol-inhalation-mucosolvan-%C3%A2-in-the-treatment-of-neonatal-pneumonia
#3
Zuqin Yang, Xiuman Xiao, Yumei Huang, Xiaoxiao He, Qinqin Lu, Shangqin Chen, Zhenlang Lin
Neonatal pneumonia is the leading cause of mortality in children aged <5 years. Ambroxol (Mucosolvan®) is a mucolytic and secretolytic drug and belongs to the group of expectorants with anti-oxidative and anti-inflammatory effects. The purpose of the present study was to observe the effects and mechanisms of Mucosolvan ® inhalation on neonatal pneumonia. Between January 2014 and October 2015, a total of 80 newborns with pneumonia were randomly divided into control and observation groups. While the patients in the control group were treated with conventional treatment only, those patients in the observation group were treated with Mucosolvan® in addition to the conventional treatment...
October 1, 2017: Die Pharmazie
https://www.readbyqxmd.com/read/29425465/excess-mucin-impairs-subglottic-epithelial-host-defense-in-mechanically-ventilated-patients
#4
Jason Powell, James Garnett, Michael W Mather, Faye A H Cooles, Andrew Nelson, Bernard Verdon, Jon Scott, Kasim Jiwa, Marie-Hélène Ruchaud-Sparagano, Stephen P Cummings, John D Perry, Stephen E Wright, Janet A Wilson, Jeffrey Pearson, Chris Ward, A John Simpson
RATIONALE: Aspiration of infective subglottic secretions causes ventilator-associated pneumonia (VAP) in mechanically ventilated patients. Mechanisms underlying subglottic colonization in critical illness have not been defined, limiting strategies for targeted prevention of VAP. OBJECTIVES: To characterize subglottic host defense dysfunction in mechanically ventilated patients in the intensive care unit (ICU). To determine whether subglottic mucin contributes to neutrophil phagocytic impairment and bacterial growth...
February 9, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29424930/inhaled-mannitol-for-cystic-fibrosis
#5
REVIEW
Sarah J Nevitt, Judith Thornton, Clare S Murray, Tiffany Dwyer
BACKGROUND: Several agents are used to clear secretions from the airways of people with cystic fibrosis. Mannitol increases mucociliary clearance, but its exact mechanism of action is unknown. The dry powder formulation of mannitol may be more convenient and easier to use compared with established agents which require delivery via a nebuliser. Phase III trials of inhaled dry powder mannitol for the treatment of cystic fibrosis have been completed and it is now available in Australia and some countries in Europe...
February 9, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29391364/overuse-of-diagnostic-tools-and-medications-in-acute-rhinosinusitis-in-spain-a-population-based-study-the-prosinus-study
#6
Francesca Jaume, Llorenç Quintó, Isam Alobid, Joaquim Mullol
OBJECTIVES: Acute rhinosinusitis (ARS) has a high incidence. Diagnosis is clinical, and evolution is mostly self-limited. The aim of this study was to describe the sociodemographic characteristics and use of diagnostic tools and medications in patients with ARS. DESIGN: This is a prospective observational study in real-life clinical practice. SETTING: Patients with clinical diagnosis of ARS (n=2610) were included from ear, nose and throat clinics in Spain...
January 31, 2018: BMJ Open
https://www.readbyqxmd.com/read/29338445/investigational-inhaled-therapies-for-non-cf-bronchiectasis
#7
Sabina Antonela Antoniu
Bronchiectasis not related to cystic fibrosis (non-CF bronchiectasis) are associated with a high unmet therapeutic need due to the lack of specifically authorized medications, especially via the inhalation route. In non-CF bronchiectasis chronic infection with Pseudomonas aeruginosa is common and favored by the persistent local inflammation and viscid sputum production. Therefore inhaled antibiotics, mucolytics or anti-inflammatory agents could represent appropriate therapeutic interventions in this setting Areas covered: This review herein discusses the inhaled therapies currently under investigation for non-CF bronchiectasis and their potential therapeutic positioning in exacerbation versus stable state...
January 17, 2018: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/29332002/the-implementation-of-a-cystic-fibrosis-annual-review-process-in-a-tertiary-paediatric-hospital
#8
Raffaela Armiento, Sarath C Ranganathan, Joanne Harrison
We evaluated the implementation of a cystic fibrosis annual review process in a tertiary paediatric hospital. After implementation, there was demonstrated improvement in an important outcome measure-the use of inhaled mucolytic agents.
January 13, 2018: Archives of Disease in Childhood. Education and Practice Edition
https://www.readbyqxmd.com/read/29316973/kartagener-s-syndrome-a-case-report
#9
Abilo Tadesse, Hailemariam Alemu, Mezgebu Silamsaw, Yonathan Gebrewold
BACKGROUND: Kartagener's syndrome is a subset of primary ciliary dyskinesia, an autosomal recessive inherited disorder characterized by the clinical triad of chronic sinusitis, bronchiectasis, and situs inversus. Abnormal ciliary structure or function leading to impaired ciliary motility is the main pathophysiologic problem in Kartagener's syndrome. CASE PRESENTATION: A 24-year-old man from Gondar town, North-West Ethiopia, presented to University of Gondar Hospital with recurrent episodes of nasal congestion with itching and paranasal discomfort, and productive cough for more than a decade...
January 10, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29313589/role-of-clarithromycin-in-acute-exacerbations-of-chronic-obstructive-pulmonary-disease
#10
Agam Vora
The prevalence of chronic obstructive pulmonary disease (COPD) is increasing in under-developing and developing countries. As per current estimations, COPD will become the third leading cause of death globally, by 2030. Long-acting anti-cholinergic agents, β2-agonists, inhaled corticosteroids, antibiotics and mucolytics are few of the agents currently used in the treatment of COPD, which improve the symptoms and overall quality of life. Several of the important classes of antibiotics are used in the management of COPD including penicillins, cephalosporins, tetracyclines, fluoroquinolones, sulphonamides, aminoglycosides and macrolides...
September 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29303286/-cystic-fibrosis-in-adults
#11
Libor Fila
Cystic fibrosis (CF) is an inherited disease caused by mutations in the transmembrane conductance regulator (CFTR) gene. The disease leads to dysfunction of the exocrine glands with high concentration of chloride in the sweat and formation of abnormally viscous mucus in the respiratory, digestive and reproductive tract. Chronic sinopulmonary disease, exocrine pancreatic insufficiency, liver disease, intestinal obstruction, impaired nutritional status, salt loss syndrome and male infertility dominates in the clinical presentation...
2018: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/29283098/electrophysiological-and-histopathological-evaluation-of-effects-of-sodium-2-mercaptoethanesulfonate-used-for-middle-ear-surgery-on-facial-nerve-functions
#12
Oğuz Kadir Eğilmez, Numan Kökten, Mustafa Baran, M Tayyar Kalcıoğlu, Işın Doğan Ekici, Muhammet Tekin
OBJECTIVE: Sodium-2-mercaptoethanesulfonate (MESNA) is widely used in medicine because of its antioxidant and mucolytic effects. In recent years, it has been used in otologic surgery. Because it cleaves disulfide bonds, it is used to easily dissect the epithelial matrix in cholesteatoma and atelectasis. In this study, we hypothesized that MESNA does not have any toxic effect on the facial nerve, and the effects of MESNA on the facial nerve were examined histologically and electrophysiologically...
December 14, 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/29247764/efficacy-and-safety-concerns-over-the-use-of-mucus-modulating-agents-for-drug-delivery-using-nanoscale-systems
#13
Peter I Chater, Matthew D Wilcox, Jeffrey P Pearson
Drug delivery to the mucus covered mucosae is fraught with difficulties and many different approaches have been developed to permeate the mucus barrier. Generally by modifying the delivery system to avoid interaction with the mucus. These modifications are reviewed here in terms of efficacy and safety. These are particular problems for oral delivery the pharmaceutical industry's favoured route for drug administration. For effective delivery through the gastrointestinal tract a drug must pass through three barriers in sufficient amounts to yield a biological effect...
December 13, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/29233650/impact-of-erdosteine-on-chronic-bronchitis-and-copd-a-meta-analysis
#14
Mario Cazzola, Luigino Calzetta, Clive Page, Paola Rogliani, Maria Gabriella Matera
A previous meta-analysis suggested that the treatment with erdosteine was associated with significant amelioration of the cumulative global efficacy index and symptoms in comparison to placebo or other mucolytics. However, this conclusion was criticized because the meta-analysis, as it had been done, made it impossible to preclude the potential operation of selection biases within and across trials, and identify any realised benefits of an individual patient data approach. Taking into consideration these criticisms and also the publication of two further recent articles focused on the prevention of chronic obstructive pulmonary disease (COPD) exacerbations with erdosteine, we have carried out a quantitative synthesis via meta-analysis of the currently available data on the use of this drug...
December 9, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29231979/otitis-media-with-effusion-in-the-boxer-a-report-of-seven-cases
#15
S Paterson
The aim of this study was to describe otitis media with effusion in seven boxers. All dogs presented with a range of clinical signs, which included head shaking, neurological dysfunction, pain on opening of the mouth and reduction in hearing ability. Otitis media was confirmed under general anaesthesia in each case by video-otoscopic identification of a bulging pars tensa and subsequent myringotomy, which revealed a tenacious mucus plug within the middle ear. Brainstem auditory evoked response thresholds were elevated in all affected ears...
December 12, 2017: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/29199610/potential-utility-of-n-acetylcysteine-for-treating-mustard-lung
#16
Yunes Panahi, Mostafa Ghanei, Mohammad Mozaffari Hashjin, Ramin Rezaee, Amirhossein Sahebkar
More than a century after the introduction of sulfur mustard (SM), as a chemical warfare agent, it has affected thousands of military and civilians on several occasions. The most notable toxic effects of this easily produced chemical, are lung damage ranges from necrotic, hemorrhagic, and infectious acute-lung injury to chronic conditions (i.e., mustard lung). While there is no definite treatment for individuals exposed to sulfur mustard, corticosteroids, mucolytics, bronchodilators, antibiotics, immunosuppressive medicines, and magnesium are being used to help victims...
2017: Critical Reviews in Eukaryotic Gene Expression
https://www.readbyqxmd.com/read/29196951/behavioral-and-biochemical-effects-of-n-acetylcysteine-in-zebrafish-acutely-exposed-to-ethanol
#17
Ricieri Mocelin, Matheus Marcon, Simone D'ambros, Ana P Herrmann, Alex Sander da Rosa Araujo, Angelo Piato
Alcohol hangover refers to unpleasant symptoms experienced as a direct consequence of a binge drinking episode. The effects observed in this condition are related to the increase in alcohol metabolites and imbalance in oxidative status. N-acetylcysteine (NAC) is a mucolytic agent and an antidote for paracetamol overdose. Preclinical and clinical studies have shown that NAC is a multi-target drug acting through neuroprotective, antioxidant and neurotrophic mechanisms as well as a glutamate modulator. The aim of this study was to investigate the effects of NAC in zebrafish acutely exposed to ethanol (EtOH)...
December 1, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/29093283/effect-of-adjunctive-use-of-systemic-antioxidant-therapy-n-acetylcysteine-on-soluble-receptor-activator-nuclear-factor-%C3%AE%C2%BAb-ligand-levels-in-gingival-crevicular-fluid-following-surgical-periodontal-treatment-for-chronic-periodontitis
#18
Baleegh Alkadasi, Saleem Abdulrab, Soheir Gaafer, Butchibabu Kalakonda, Manal Hosny, Olfat Shaker, Mohamed Hosny
N-acetylcysteine (NAC) is an anti-oxidant drug that has been used as a mucolytic agent and a paracetamol antidote for many years. This study was designed to determine the efficacy of the adjunctive use of NAC for periodontal treatment. Thirty subjects with moderate-to-severe chronic periodontitis were randomized to surgery with NAC (600 mg; S-NAC), surgery only (S-nonNAC), and healthy control groups. Gingival crevicular fluid (GCF) samples were obtained from all patients and sRANKL levels were determined by enzyme-linked immunosorbent assay at baseline, and 1, 3, and 7 months post-surgery...
October 31, 2017: Journal of Oral Science
https://www.readbyqxmd.com/read/29092802/the-effects-of-mesna-on-the-facial-nerve-an-experimental-animal-study
#19
Deniz Baklacı, Rauf Oğuzhan Kum, Sezer Kulaçoğlu, Yavuz Fuat Yılmaz, Müge Özcan
OBJECTIVE: MESNA (Sodium-2-mercaptoethanesulfonate) is a mucolytic substance that is used for chemically assisted tissue dissection in various surgical operations. The aim of this study was to address the issue of possible neurotoxicity from topical administration of MESNA solution on the facial nerve. We used different concentrations of MESNA solution and evaluated their effects on facial nerve by histopathological and functional analysis. MATERIALS AND METHODS: These groups were the saline administered group (control) (3 rats, 6 facial nerves), the 25% MESNA solution group (3 rats, 6 facial nerves), and the 100% MESNA solution group (3 rats, 6 facial nerves)...
November 2, 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/29080507/mucus-permeating-self-emulsifying-drug-delivery-systems-sedds-about-the-impact-of-mucolytic-enzymes
#20
Nuri Ari Efiana, Thi Nhu Quynh Phan, Arko Jatmiko Wicaksono, Andreas Bernkop-Schnürch
This study aimed to improve the mucus permeating properties of self-emulsifying drug delivery systems (SEDDS) by anchoring lipidized bromelain, papain and trypsin using palmitoyl chloride. SEDDS containing enzyme-palmitate conjugates were characterized regarding droplet size and zeta potential. Their mucus permeating properties were evaluated by Transwell diffusion and rotating tube method using fluorescein diacetate (FDA) as marker. Degree of substitution of modified enzymes was 35.3%, 47.8% and 38.5% for bromelain-palmitate, papain-palmitate and trypsin-palmitate, respectively...
October 23, 2017: Colloids and Surfaces. B, Biointerfaces
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