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https://www.readbyqxmd.com/read/29160206/an-orphan-cbb3-type-cytochrome-oxidase-subunit-supports-pseudomonas-aeruginosa-biofilm-growth-and-virulence
#1
Jeanyoung Jo, Krista L Cortez, William Cole Cornell, Alexa Price-Whelan, Lars Ep Dietrich
Hypoxia is a common challenge faced by bacteria during associations with hosts due in part to the formation of densely packed communities (biofilms). cbb3-type cytochrome c oxidases, which catalyze the terminal step in respiration and have a high affinity for oxygen, have been linked to bacterial pathogenesis. The pseudomonads are unusual in that they often contain multiple full and partial (i.e. 'orphan') operons for cbb3-type oxidases and oxidase subunits. Here, we describe a unique role for the orphan catalytic subunit CcoN4 in colony biofilm development and respiration in the opportunistic pathogen Pseudomonas aeruginosa PA14...
November 21, 2017: ELife
https://www.readbyqxmd.com/read/29158285/neoadjuvant-palbociclib-on-er-breast-cancer-n007-clinical-response-and-endopredict-value
#2
Louis Wc Chow, Satoshi Morita, Christopher Yc Chow, Wai Kuen Ng, Masakazu Toi
To test the efficacy of neoadjuvant palbociclib therapy and to evaluate its impact on cell cycle arrest and changes in EndoPredict (EP) scores before and after treatment. Postmenopausal women with histologically proven ER+ve, HER2-ve invasive breast cancer, 2cm or greater, were enrolled in an open-label, single arm study. Twenty eligible patients were given letrozole 2.5mg per day together with palbociclib 125mg per day for 3 out of 4 weeks in repeated cycles for 16 weeks (4 cycles) before surgery. The primary end-points were clinical response rates (cRR) and preoperative endocrine prognostic index (PEPI)...
November 20, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29156896/proutine-a-feasibility-study-assessing-surveillance-of-electronic-patient-reported-outcomes-and-adherence-via-smartphone-app-in-advanced-cancer
#3
Gesine Benze, Friedemann Nauck, Bernd Alt-Epping, Giuseppe Gianni, Thomas Bauknecht, Johannes Ettl, Anna Munte, Luisa Kretzschmar, Jan Gaertner
BACKGROUND: In advanced cancer, quality of life (QoL) is a major treatment goal. In order to achieve this, the identification of suffering by screening for patient-reported-outcomes (PROs, i.e., symptoms) is of utmost importance. The use of paper-pencil questionnaires is associated with significant shortcomings due to missing data, recall bias and transcription errors. Other than that, the electronic recording of PROs by mobile Health (mHealth) offers a number of advantages. The aim of this study was to test whether the routine assessment of PROs via a newly developed smartphone application (MeQoL®) is feasible...
October 26, 2017: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/29154474/intracrine-prostaglandin-e2-pro-tumoral-actions-in-prostate-epithelial-cells-originate-from-non-canonical-pathways
#4
Antonio Madrigal-Martínez, Ana B Fernández-Martínez, Francisco J Lucio Cazaña
Prostaglandin E2 (PGE2 ) increases cell proliferation and stimulates migratory and angiogenic abilities in prostate cancer cells. However, the effects of PGE2 on non-transformed prostate epithelial cells are unknown, despite the fact that PGE2 overproduction has been found in benign hyperplastic prostates. In the present work we studied the effects of PGE2 in immortalized, non-malignant prostate epithelial RWPE-1 cells and found that PGE2 increased cell proliferation, cell migration, and production of vascular endothelial growth factor-A, and activated in vitro angiogenesis...
November 20, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29154138/preparation-of-biochar-from-enteromorpha-prolifera-and-its-use-for-the-removal-of-polycyclic-aromatic-hydrocarbons-pahs-from-aqueous-solution
#5
Kaili Qiao, Weijun Tian, Jie Bai, Jie Dong, Jing Zhao, Xiaoxi Gong, Shuhui Liu
EP-biochar was produced from Enteromorpha prolifera (EP) at temperatures of 200-600°C under limited-oxygen conditions and then activated using HCl and HF. To optimize the sorption of pyrene (PYR) and benzo[a]pyrene (BaP), the effect of the pyrolysis temperature was studied, and the results showed that EP-biochar produced at 500°C gave the highest removal efficiency. The physiochemical properties of EP-biochar pyrolyzed at 500°C were characterized. The examination indicated that the surface area of EP-biochar was 205...
November 15, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29152333/crystal-structure-of-an-ep-oxy-sterol-9%C3%AE-11%C3%AE-ep-oxy-5%C3%AE-cholest-7-ene-3%C3%AE-5-6%C3%AE-triol-3-6-di-acetate
#6
Vincenzo Piccialli, Angela Tuzi, Roberto Centore
The title compound, C31H48O6, is a polyoxygenated ep-oxy steroid obtained by a multi-step synthesis involving oxidation of 7-de-hydro-cholesterol. It crystallizes in the P212121 space group; however, the absolute structure of the molecule in the crystal could not be determined by resonant scattering. The configuration at the C5 and C6 positions is in both cases of the α-type, as is that of the C atoms of the ep-oxy ring. Mol-ecules in the crystal form chains parallel to the b axis by hydrogen bonding between O-H donors and carbonyl O-atom acceptors...
November 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/29149500/ep-radiofrequency-generators-significant-offsets-between-selected-and-delivered-power
#7
Felix Bourier, Bernhard Schwarz, Amir Brkic, Lara Wolf, Verena Semmler, Marc Kottmaier, Elena Risse, Marta Telishevska, Stephanie Brooks, Sarah Lengauer, Marielouise Kornmayer, Katharina Koch-Büttner, Florian Berger, Gabriele Hessling, Isabel Deisenhofer, Tilko Reents
INTRODUCTION: For radiofrequency ablation, the EP Shuttle®, Ampere®, and SmartAblate® generator models are most frequently used in clinical practice. The aim of this study was to assess the correlation between selected and delivered RF power for different generators. METHODS AND RESULTS: In an experimental setup, ablation catheters were connected to the EP Shuttle®, Ampere®, and SmartAblate® generators. The power delivered by the generators was measured using a current converter and an oscilloscope...
November 17, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29147056/organizing-integrated-health-care-services-to-meet-older-people-s-needs
#8
Islene Araujo de Carvalho, JoAnne Epping-Jordan, Anne Margriet Pot, Edward Kelley, Nuria Toro, Jotheeswaran A Thiyagarajan, John R Beard
In most countries, a fundamental shift in the focus of clinical care for older people is needed. Instead of trying to manage numerous diseases and symptoms in a disjointed fashion, the emphasis should be on interventions that optimize older people's physical and mental capacities over their life course and that enable them to do the things they value. This, in turn, requires a change in the way services are organized: there should be more integration within the health system and between health and social services...
November 1, 2017: Bulletin of the World Health Organization
https://www.readbyqxmd.com/read/29146831/stent-assisted-coiling-of-cerebral-aneurysms-a-single-center-clinical-and-angiographic-analysis
#9
Jun Wang, Jan Vargas, Alejandro Spiotta, Imran Chaudry, Raymond D Turner, Jonathan Lena, Aquilla Turk
OBJECTIVE: This study retrospectively compared the clinical and angiographic outcomes of treating cerebral aneurysms with Neuroform (NEU), Enterprise (EP), and Low-profile Visualized Intraluminal Support (LVIS/LVIS Jr) stents. MATERIALS AND METHODS: We conducted a retrospective analysis of a procedural database. All aneurysm procedures using any of the three types of self-expanding nitinol stents (NEU, EP and LVIS/LVIS Jr) were included. Intra-procedure complications, post-procedure complications, and angiographic results (Raymond-Roy grade scale, RRGS) were analyzed retrospectively...
November 16, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29145675/-implementing-the-cross-disciplinary-subject-palliative-care-lecture-s-perspective
#10
Leonie Isermeyer, Benjamin Ilse, Gabriella Marx, Stephanie Seidemann, Jana Jünger, Friedemann Nauck, Bernd Alt-Epping
Introduction In 2009, palliative care was introduced as a mandatory subject in the undergraduate medical curriculum in Germany. Despite all efforts to integrate this subject into the curriculum, research suggests substantial differences and deficits in the quality of education between the medical schools. The aim of this research was to find out promoting as well as impedimental aspects of implementing palliative care in the medical training program. By this, a suitable framework in terms of content and structure for palliative care teaching should be extracted...
November 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/29143386/a-survey-of-exercise-professionals-barriers-and-facilitators-to-working-with-stroke-survivors
#11
Marie Condon, Marie Guidon
Stroke survivors (SSs) are largely inactive despite the benefits of exercise. Exercise professionals (EPs), skilled in exercise prescription and motivation, may have a role in promoting exercise among SSs. However, the number of EPs working with SSs is estimated to be low. This study aimed to investigate EPs' opinions on working with SSs by rating their agreement of barriers and facilitators to working with SSs. The study also investigated EPs skills, interest and experience working with SSs and the relationship between EPs' barriers and facilitators with their training on stroke...
November 15, 2017: Health & Social Care in the Community
https://www.readbyqxmd.com/read/29143247/using-circulating-tumor-cells-to-evaluate-the-efficacy-of-irreversible-electroporation-for-unresectasble-pancreatic-cancer
#12
Mao Lin, Mohammed Alnaggar, Shu-Zhen Liang, Jian Shi, Li-Zhi Niu, Ji-Bing Chen, Ke-Cheng Xu
We used circulating tumor cells (CTCs) as biomarkers to evaluate the efficacy of pre-irreversible electroporation (IRE) and post-IRE for unresectable pancreatic cancer (PC). Real-time qPCR was used to detect potential biomarker genes in CTCs, and magnetic-activated cell sorting (MACS) and fluorescence-activated cell sorting (FACS) were performed on 43 patients with PC who underwent IRE. Some patients experienced adverse reactions within 30 days of the operation, including arrhythmia (6.9%), intraoperative transient change of blood pressure (25...
November 15, 2017: Immunologic Research
https://www.readbyqxmd.com/read/29140570/rapid-screening-of-the-endodermal-differentiation-potential-of-human-pluripotent-stem-cells
#13
Richard Siller, Gareth J Sullivan
Human pluripotent stem cells (hPSCs) hold tremendous promise for regenerative medicine, disease modeling, toxicology screening, and developmental biology. These applications are hindered due to inherent differences in differentiation potential observed among different hPSC lines. This is particularly true for the differentiation of hPSCs toward the endodermal lineage. Several groups have developed methods to screen hPSCs for their endodermal differentiation potential (EP). Particularly notable studies include (i) the use of WNT3A expression as a predictive biomarker, (ii) an embryoid body-based screen, and (iii) a transcriptomics-based approach...
November 15, 2017: Current Protocols in Stem Cell Biology
https://www.readbyqxmd.com/read/29138937/effects-of-propofol-sedation-on-pacing-thresholds-results-from-an-observational-cohort-study
#14
Jakob Lüker, Arian Sultan, Tobias Plenge, Samuel Lee, Jan-Hendrik van den Bruck, Daniel Steven
BACKGROUND: Propofol is one of the most commonly used intravenous anaesthetic drugs for surgical procedures. The use of propofol for sedation is also common practice during endoscopic procedures, electrophysiology studies, and ablation procedures, as well as pacemaker and defibrillator implantation. It was found that propofol alters the electrophysiologic properties of the heart and its conduction system. The effects of propofol on pacing thresholds are unknown and could have implications for pacemaker (PM) and defibrillator (ICD) implantation procedures, as well as sedation and anaesthesia in PM and ICD patients in general...
November 14, 2017: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/29138585/a-comparative-analysis-of-clinical-outcomes-and-disposable-costs-of-different-catheter-ablation-methods-for-the-treatment-of-atrioventricular-nodal-reentrant-tachycardia
#15
Adam E Berman, Harold Rivner, Robin Chalkley, Vahé Heboyan
Background: Catheter ablation of atrioventricular nodal reentrant tachycardia (AVNRT) is a commonly performed electrophysiology (EP) procedure. Few data exist comparing conventional (CONV) versus novel ablation strategies from both clinical and direct cost perspectives. We sought to investigate the disposable costs and clinical outcomes associated with three different ablation methodologies used in the ablation of AVNRT. Methods: We performed a retrospective review of AVNRT ablations performed at Augusta University Medical Center from 2006 to 2014...
2017: ClinicoEconomics and Outcomes Research: CEOR
https://www.readbyqxmd.com/read/29136745/-willingness-and-influencing-factors-of-using-pre-exposure-prophylaxis-among-301-men-have-sex-with-men-in-wuhan-city-2015
#16
P Y Xie, X Wang, P L Liu, X D Tan, W Zhou
Objective: To understand willingness and influencing factors of using pre-exposure prophylaxis (Pr-EP) among men who have sex with men (MSM). Methods: Snow ball sampling was employed to recruit MSM in the social spaces (like bars and bathrooms) with focused activities by MSM and internet (QQ and Wechat) in Wuhan between August and November, 2015. 304 MSM were considered eligible when they were self-identified MSM and has had sex with men in the previous 12 months, over the age of 18 and have full civil liability...
November 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29134532/a-robust-multi-objective-bargaining-methodology-for-inter-basin-water-resource-allocation-a-case-study
#17
Omid Nasiri-Gheidari, Safar Marofi, Farzaneh Adabi
In this study, a new methodology is proposed to balance environmental and economic issues in water allocation under uncertainty. Two objective functions, including maximizing economic income (EI) and minimizing environmental pollution (EP), were considered as two groups of players to construct a deterministic multi-objective bargaining methodology (DMOBM). In the next step, it is enhanced to a robust multi-objective bargaining methodology (RMOBM), which is capable of incorporating the main uncertainties exist in the problem...
November 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29134301/prostaglandin-e2-receptor-ep1-in-healthy-and-diseased-human-endometrium
#18
Junyan Zhu, Doris Mayr, Christina Kuhn, Sven Mahner, Udo Jeschke, Viktoria von Schönfeldt
Prostaglandin E2 (PGE2) is well described to be associated with both endometrial functions and disorders. The primary aim of this study was to explore the underlying mechanisms that affect the growth and function of endometrial epithelium and stroma by assessing the staining intensity of PGE2 receptors (EP) in healthy endometrium across the menstrual cycle and in pathological endometrium, such as ovarian endometriosis and endometrial cancer. We retrospectively analyzed the EPs staining intensity in human nonpregnant endometrium throughout the menstrual cycle by immunohistochemistry and further focused on EP1 (n = 42)...
November 13, 2017: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/29131613/proton-coupled-electron-transfer-and-substituent-effects-in-catechol-based-deep-eutectic-solvents-gross-and-fine-tuning-of-redox-activity
#19
Parker J Smith, John C Goeltz
The 1,2-diol moiety in a variety of substituted catechols allows formation of room temperature ionic melts in a 2:1 ratio with choline chloride or choline dihydrogen citrate. These deep eutectic solvents were 4.3-6.6 M in redox active catechols. Substituents on 3- and 4-substituted catechols shift both E° and pKa such that Hammett parameters predict the observed Ep for oxidation in square wave voltammetry. The proton acceptor for the proton-coupled oxidation shifts the observed Ep more strongly than the substituents within the substituents and acceptors reported here...
November 20, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29130480/antidesmoglein-1-and-3-antibodies-in-healthy-subjects-of-a-population-in-the-peruvian-high-amazon
#20
Willy Ramos, Jesús Díaz, Ericson L Gutierrez, Jose S Lazarte, Mary C Bohnett, Gerardo Ronceros, Alex G Ortega-Loayza
BACKGROUND: The objective of this study was to determine the presence of anti-Dsg1 and Dsg3 antibodies in healthy subjects of the high Peruvian Amazon (Tuemal, Rodriguez de Mendoza province, department of Amazonas) to establish the theoretical presence of environmental factors or triggers in the area. MATERIALS AND METHODS: Cross-sectional study. The study population included persons of any age or gender, clinically healthy, who were evaluated by a dermatologist to confirm the absence of blistering diseases...
November 11, 2017: International Journal of Dermatology
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