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https://www.readbyqxmd.com/read/28427277/biological-activity-and-lc-ms-ms-profiling-of-extracts-from-the-australian-medicinal-plant-acacia-ligulata-fabaceae
#1
Diana Jæger, Bradley S Simpson, Chi P Ndi, Anna K Jäger, Christoph Crocoll, Birger Lindberg Møller, Philip Weinstein, Susan J Semple
Acacia ligulata A.Cunn. ex Benth. (Fabaceae: Mimosoideae) is a native Australian plant used traditionally by Australian Aboriginal groups. This study was undertaken to investigate the bioactivity of A. ligulata extracts and to evaluate their chemical composition. Potential antibacterial, cytotoxic and enzyme inhibitory effects relevant to traditional medicinal and food uses of the species were examined and LC-MS/MS was performed to investigate the chemical composition. Antibacterial activity was observed for bark and leaf extracts with an MIC for the bark extract of 62...
April 21, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28425145/prevalence-of-gastroesophageal-reflux-in-cats-during-anesthesia-and-effect-of-omeprazole-on-gastric-ph
#2
R S Garcia, P C Belafsky, A Della Maggiore, J M Osborn, B H Pypendop, T Pierce, V J Walker, A Fulton, S L Marks
BACKGROUND: Gastroesophageal reflux (GER) is poorly characterized in anesthetized cats, but can cause aspiration pneumonia, esophagitis, and esophageal stricture formation. OBJECTIVE: To determine whether pre-anesthetic orally administered omeprazole increases gastric and esophageal pH and increases serum gastrin concentrations in anesthetized cats, and to determine the prevalence of GER using combined multichannel impedance and pH monitoring. ANIMALS: Twenty-seven healthy cats undergoing elective dental procedures...
April 19, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28417856/scintigraphic-evaluation-of-gastroesophageal-reflux-and-pulmonary-aspiration-in-children
#3
REVIEW
Zvi Bar-Sever
Gastroesophageal reflux (GER) and pulmonary aspiration are encountered in children of all ages. Signs, symptoms, and complications vary from mild and transient to severe life-threatening conditions. This review will present relevant clinical information on these conditions as well as common diagnostic procedures. The role of scintigraphic techniques used in the evaluation of these conditions will be discussed in detail including protocols and performance in comparison to other diagnostic methods.
May 2017: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/28395298/cytokines-and-chemokines-involved-in-acute-retinal-necrosis
#4
Lenneke de Visser, Joke H de Boer, Ger T Rijkers, Karin Wiertz, Henk-Jan van den Ham, Rob de Boer, Anton M van Loon, Aniki Rothova, Jolanda D F de Groot-Mijnes
Purpose: To investigate which cytokines and chemokines are involved in the immunopathogenesis of acute retinal necrosis (ARN), and whether cytokine profiles are associated with clinical manifestations, such as visual outcome. Methods: Serum and aqueous humor (AH) samples of 19 patients with ARN were analyzed by multiplex immunoassay. Infectious controls consisted of 18 patients with rubella virus-associated Fuchs' uveitis and 20 patients with ocular toxoplasmosis all confirmed by intraocular fluid analyses...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28388962/the-involvement-of-mast-cells-in-the-irinotecan-induced-enteric-neurons-loss-and-reactive-gliosis
#5
Ludmila T Nogueira, Deiziane V S Costa, Antoniella S Gomes, Conceição S Martins, Angeline M H P Silva, Juliana M Coelho-Aguiar, Patrícia Castelucci, Roberto C P Lima-Júnior, Renata F C Leitão, Vivaldo Moura-Neto, Gerly A C Brito
BACKGROUND: The irinotecan (CPT-11) causes intestinal mucositis and diarrhea that may be related to changes in the enteric nervous system (ENS). In inflammatory condition, mast cells release a variety of pro-inflammatory mediators that can interact with the ENS cells. It has not been explored whether CPT-11 is able to alter the enteric glial and neuronal cell, and the role of mast cells in this effect. Therefore, this study was conducted to investigate the effect of CPT-11 on the enteric glial and neuronal cells, as well as to study the role of mast cells in the CPT-11-induced intestinal mucositis...
April 7, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28375482/clinical-and-manometric-characteristics-of-patients-with-parkinson-s-disease-and-esophageal-symptoms
#6
A Su, R Gandhy, C Barlow, G Triadafilopoulos
Dysphagia is a common problem in patients with Parkinson's disease (PD); its etiology is multifactorial and its management is challenging. In this retrospective cohort analysis using prospectively collected data, we aimed to objectively characterize dysphagia and/or other esophageal symptoms in patients with PD, assess the prevalence of outflow obstruction as well as major or minor disorders of esophageal peristalsis leading to impaired esophageal clearance and highlight objective parameters that can help in the current management algorithm...
April 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/28348941/cutting-the-stone-health-defined-in-the-era-of-value-based-care
#7
REVIEW
Ger Rijkers
The immune system contributes to the maintenance of health by preventing and limiting the clinical consequences of infections by pathogenic microorganisms. During the evolution of Homo sapiens, those with the fittest immune system survived. The immune system of Homo sapiens was further improved and adapted by admixture with Neanderthal genes. Nowadays, the human immune system provides adequate protection against the majority of infections. For some 20 infectious diseases, the immune system needs to be improved by vaccination...
February 10, 2017: Curēus
https://www.readbyqxmd.com/read/28347655/long-term-clinical-outcome-of-antibody-replacement-therapy-in-humoral-immunodeficient-adults-with-respiratory-tract-infections
#8
Diana A van Kessel, Thijs W Hoffman, Heleen van Velzen-Blad, Pieter Zanen, Jan C Grutters, Ger T Rijkers
In severe humoral immunodeficiency the indication for antibody replacement therapy (ART) is clear, and supported by several large studies. However, for milder forms of humoral immunodeficiency, the indication for ART is less clear. This is a retrospective cohort study of 87 adults with recurrent respiratory tract infections who received ART. The patients had severe or mild humoral immunodeficiency, and were followed up for a median of 62months. Infection frequency, pharmacy-registered antibiotics use and hospital admissions significantly decreased under ART compared to the year prior to starting ART (median 5...
March 21, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28341659/chronic-microaspiration-of-bile-acids-induces-lung-fibrosis-through-multiple-mechanisms-in-rats
#9
Bi Chen, Wen Jie You, Xue Qing Liu, Shan Xue, Hui Qin, Han Dong Jiang
Gastroesophageal reflux (GER) and microaspiration of duodenogastric refluxate have been recognized as a risk factor for pulmonary fibrosis. Recent evidence implicates that bile acid microaspiration may contribute to the development of lung fibrosis. However, the molecular evidences are scarce and the underlying mechanisms remain to be elucidated. We have recently demonstrated that bile acids induce activation of alveolar epithelial cells and lung fibroblasts in vitro In this study, a rat model of bile acid microaspiration was established by weekly intratracheal instillation of three major bile acids including chenodeoxycholic acid (CDCA), deoxycholic acid (DCA) and lithocholic acid (LCA) ...
March 24, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28332837/molecular-recognition-based-dna-nanoassemblies-on-the-surfaces-of-nanosized-exosomes
#10
Shuo Wan, Liqin Zhang, Sai Wang, Yuan Liu, Cuichen Wu, Cheng Cui, Hao Sun, Muling Shi, Ying Jiang, Long Li, Liping Qiu, Weihong Tan
Exosomes are membrane-enclosed extracellular vesicles derived from cells, carrying biomolecules that include proteins and nucleic acids for intercellular communication. Owning to their advantages of size, structure, stability, and biocompatibility, exosomes have been used widely as natural nanocarriers for intracellular delivery of theranostic agents. Meanwhile, surface modifications needed to endow exosomes with additional functionalities remain challenging by their small size and the complexity of their membrane surfaces...
April 7, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28330607/association-between-anti-thymocyte-globulin-exposure-and-survival-outcomes-in-adult-unrelated-haemopoietic-cell-transplantation-a-multicentre-retrospective-pharmacodynamic-cohort-analysis
#11
Rick Admiraal, Stefan Nierkens, Moniek A de Witte, Eefke J Petersen, Ger-Jan Fleurke, Luka Verrest, Svetlana V Belitser, Robbert G M Bredius, Reinier A P Raymakers, Catherijne A J Knibbe, Monique C Minnema, Charlotte van Kesteren, Jurgen Kuball, Jaap J Boelens
BACKGROUND: Anti-thymocyte globulin (ATG) is used to prevent graft-versus-host disease (GvHD) after allogeneic haemopoietic cell transplantation (HCT). However, ATG can also cause delayed immune reconstitution of T cells, negatively affecting survival. We studied the relation between exposure to ATG and clinical outcomes in adult patients with acute leukaemia and myelodysplastic syndrome. METHODS: We did a retrospective, pharmacokinetic-pharmacodynamic analysis of data from patients with acute lymphoid leukaemia, acute myeloid leukaemia, or myelodysplastic syndrome receiving their first T-cell repleted allogeneic peripheral blood stem cell HCT with ATG (thymoglobulin) as part of non-myeloablative conditioning from March 1, 2004, to June 1, 2015...
March 16, 2017: Lancet Haematology
https://www.readbyqxmd.com/read/28314265/next-generation-sequencing-for-microrna-profiling-microrna-21-3p-promotes-oral-cancer-metastasis
#12
Hui-Hwa Tseng, Yu-Kai Tseng, Jyun-Jie You, Bor-Hwang Kang, Tsung-Han Wang, Cheng-Mei Yang, Hung-Chih Chen, Huei-Han Liou, Pei-Feng Liu, Luo-Ping Ger, Kuo-Wang Tsai
Dysfunctional microRNAs (miRNAs) play a crucial role in oral squamous cell carcinoma (OSCC) progression. In the present study, we performed next-generation sequencing for miRNA profiling of the OSCC tissues and corresponding adjacent normal tissues in two patients with OSCC. We observed that 45 miRNAs were substantially up-regulated and 17 miRNAs were down-regulated in OSCC tissues. Since information on the biological role of miR-21-3p (passenger strand) in OSCC is limited, the expression levels of miR-21-3p were further evaluated in 95 OSCC tissue samples by a stem-loop real-time polymerase chain reaction...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28303733/bi-parametric-magnetic-resonance-imaging-applied-to-obstetrics
#13
Lucia Manganaro, Valeria Vinci, Antonella Giancotti, Sandro Gerli, Denis A Cozzi, Teresa Pusiol, Michele Scialpi, Luca Roncati
Foetal magnetic resonance imaging (MRI) plays an increasingly important role in the diagnosis of foetal abnormalities. Over the years, we have successfully applied bi-parametric MRI (bp-MRI) to the following obstetric conditions: (1) neurologic vascular diseases; (2) assessment of lung parenchyma maturation; (3) renal pathologies, such as polycystic kidney, suspected renal infarction, unilateral or bilateral renal agenesis; (4) placental pathologies, as twin-twin transfusion syndrome or placenta accreta; (5) benignant and malignant congenital tumours or cysts of the liver, such as haemangioendothelioma, hepatoblastoma or metastatic neuroblastoma, of the kidney (e...
March 17, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28303340/the-influence-of-the-systematic-birth-preparation-program-on-childbirth-satisfaction
#14
Aysu Akca, Aytul Corbacioglu Esmer, Eser Sefik Ozyurek, Arife Aydin, Nazli Korkmaz, Husnu Gorgen, Ozgur Akbayir
PURPOSE: The primary purpose of this study was to assess the influence of a systematic multidisciplinary birth preparation program on satisfaction with childbirth experience. A secondary aim was to detect factors that affect the childbirth satisfaction. METHODS: In this prospective study, 77 pregnant women who completed the 4-month birth preparation program (Group 1) and 75 women in the control group (Group 2) were asked to fill out two questionnaires with face-to-face interviews within 48 h after labor...
March 16, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28300572/the-potential-role-of-aspiration-in-the-asthmatic-airway
#15
Eoin B Hunt, Chris Ward, Stephen Power, Ashley Sullivan, Jeffrey Pearson, Susan Lapthorne, Paul M O'Byrne, Joseph Eustace, Barry J Plant, Michael M Maher, John MacSharry, Desmond M Murphy
BACKGROUND: Many asthmatics remain sub-optimally controlled despite current treatments. Reasons include comorbidities that could aggravate asthma, including gastro-esophageal reflux (GER). We aimed to investigate whether aspiration occurs in asthmatic patients and if so does it correlate with asthma control. METHODS: Patients had ACQ-7, FeNO, and spirometry performed to characterize their level of asthma control. Barium swallow with provocation was performed to assess for predisposition to aspiration...
March 11, 2017: Chest
https://www.readbyqxmd.com/read/28299914/the-onset-site-of-rheumatoid-arthritis-the-joints-or-the-lung
#16
G Cafaro, A Alunno, V Valentini, M C Leone, E Marcucci, E Bartoloni, R Gerli
The etiopathogenesis of rheumatoid arthritis (RA) is not yet fully elucidated and the site of inflammation onset is still a matter of debate. The presence of autoantibodies as well as clinical manifestations, such as interstitial lung disease, before the onset of arthritis seems to be in favour of the hypothesis that initial pathogenic events take place in tissues other than the joint. In this review article we summarize the most recent literature on extra-synovial autoimmunity triggers eventually leading to RA, with particular focus on the role of the lung...
December 31, 2016: Reumatismo
https://www.readbyqxmd.com/read/28286015/rutin-protects-against-h2o2-triggered-impaired-relaxation-of-placental-arterioles-and-induces-nrf2-mediated-adaptation-in-human-umbilical-vein-endothelial-cells-exposed-to-oxidative-stress
#17
Mireille M J P E Sthijns, Paul M Schiffers, Ger M Janssen, Kristien J A Lemmens, Bart Ides, Philippe Vangrieken, Freek G Bouwman, Edwin C Mariman, Irina Pader, Elias S J Arnér, Katarina Johansson, Aalt Bast, Guido R M M Haenen
BACKGROUND: Rutin intake is associated with a reduced risk of cardiovascular disease (CVD). The exact mechanism by which rutin can protect against CVD development is still enigmatic. Since, rutin is a compound with a relatively short half-life, the direct antioxidant effect of rutin cannot explain the long-lasting effect on human health. We hypothesized that rutin next to its direct antioxidant effect that improves endothelial function, may also induce an adaptive response in endogenous antioxidant systems...
March 7, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28284645/influence-of-stormflow-and-baseflow-phosphorus-pressures-on-stream-ecology-in-agricultural-catchments
#18
Mairead Shore, Sinead Murphy, Per-Erik Mellander, Ger Shortle, Alice R Melland, Lucy Crockford, Vincent O'Flaherty, Lauren Williams, Ger Morgan, Phil Jordan
Stormflow and baseflow phosphorus (P) concentrations and loads in rivers may exert different ecological pressures during different seasons. These pressures and subsequent impacts are important to disentangle in order to target and monitor the effectiveness of mitigation measures. This study investigated the influence of stormflow and baseflow P pressures on stream ecology in six contrasting agricultural catchments. A five-year high resolution dataset was used consisting of stream discharge, P chemistry, macroinvertebrate and diatom ecology, supported with microbial source tracking and turbidity data...
March 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28281472/impact-of-concomitant-laparoscopic-sleeve-gastrectomy-and-hiatal-hernia-repair-on-gastro-oesophageal-reflux-disease-in-morbidly-obese-patients
#19
Harshit Garg, Balasubiramaniyan Vigneshwaran, Sandeep Aggarwal, Vineet Ahuja
BACKGROUND: The aim of this study was to analyse the impact of hiatal hernia repair (HHR) on gastro-oesophageal reflux disease (GERD) in morbidly obese patients with hiatus hernia undergoing laparoscopic sleeve gastrectomy (LSG). MATERIALS AND METHODS: It is a retrospective study involving ten morbidly obese patients with large hiatus hernia diagnosed on pre-operative endoscopy who underwent LSG and simultaneous HHR. The patients were assessed for symptoms of GERD using a Severity symptom score (SS) questionnaire and anti-reflux medications...
April 2017: Journal of Minimal Access Surgery
https://www.readbyqxmd.com/read/28273563/discovery-of-highly-selective-and-potent-monoamine-oxidase-b-inhibitors-contribution-of-additional-phenyl-rings-introduced-into%C3%A2-2-aryl-1-3-4-oxadiazin-5-6h-one
#20
Jungeun Lee, Yeongcheol Lee, So Jung Park, Joohee Lee, Yeong Shik Kim, Young-Ger Suh, Jeeyeon Lee
Monoamine oxidase B (MAO-B) is a flavin adenine dinucleotide (FAD)-containing enzyme that plays a major role in the oxidative deamination of biogenic amines and neurotransmitters. Inhibiting MAO-B activity is a promising approach in the treatment of neurological disorders. Here, we report a series of 2-aryl-1,3,4-oxadiazin-5(6H)-one derivatives as highly selective and potent MAO-B inhibitors. Analysis of the binding sites of hMAO-A and hMAO-B led to design of linear analogs of 2-aryl-1,3,4-oxadiazin-5(6H)-one with an additional phenyl ring...
April 21, 2017: European Journal of Medicinal Chemistry
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