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https://www.readbyqxmd.com/read/28655212/do-comorbidities-influence-help-seeking-for-cancer-alarm-symptoms-a-population-based-survey-in-england
#1
Theodosia Salika, Georgios Lyratzopoulos, Katriina L Whitaker, Jo Waller, Cristina Renzi
Background: We examined associations between different chronic morbidities and help-seeking for possible cancer symptoms. Methods: Postal survey of individuals aged >50 years in England. Participants could report prior morbidities in respect of 12 pre-defined conditions. Among patients experiencing possible cancer symptoms we examined associations between specific morbidities and self-reported help-seeking (i.e. contacted versus not contacted a GP) for each alarm symptom using regression analyses...
June 24, 2017: Journal of Public Health
https://www.readbyqxmd.com/read/28653957/the-lifecycle-of-the-ebola-virus-in-host-cells
#2
REVIEW
Dong-Shan Yu, Tian-Hao Weng, Xiao-Xin Wu, Frederick X C Wang, Xiang-Yun Lu, Hai-Bo Wu, Nan-Ping Wu, Lan-Juan Li, Hang-Ping Yao
Ebola haemorrhagic fever causes deadly disease in humans and non-human primates resulting from infection with the Ebola virus (EBOV) genus of the family Filoviridae. However, the mechanisms of EBOV lifecycle in host cells, including viral entry, membrane fusion, RNP formation, GP-tetherin interaction, and VP40-inner leaflet association remain poorly understood. This review describes the biological functions of EBOV proteins and their roles in the lifecycle, summarizes the factors related to EBOV proteins or RNA expression throughout the different phases, and reviews advances with regards to the molecular events and mechanisms of the EBOV lifecycle...
June 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28652719/validity-and-interpretation-of-spirometric-recordings-to-diagnose-copd-in-uk-primary-care
#3
Kieran J Rothnie, Joht S Chandan, Harry G Goss, Hana Müllerová, Jennifer K Quint
BACKGROUND: The diagnosis of COPD is dependent upon clinical judgment and confirmation of the presence of airflow obstruction using spirometry. Spirometry is now routinely available; however, spirometry incorrectly performed or interpreted can lead to misdiagnosis. We aimed to determine whether spirometry undertaken in primary care for patients suspected to have COPD was of sufficient quality and whether their spirometry was correctly interpreted. METHODS: Two chest physicians re-read all spirometric readings for both quality of the procedure and interpretation, received as a part of COPD validation studies using data from the Clinical Practice Research Datalink (CPRD)...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28652687/towards-a-generalized-energy-prediction-model-for-machine-tools
#4
Raunak Bhinge, Jinkyoo Park, Kincho H Law, David A Dornfeld, Moneer Helu, Sudarsan Rachuri
Energy prediction of machine tools can deliver many advantages to a manufacturing enterprise, ranging from energy-efficient process planning to machine tool monitoring. Physics-based, energy prediction models have been proposed in the past to understand the energy usage pattern of a machine tool. However, uncertainties in both the machine and the operating environment make it difficult to predict the energy consumption of the target machine reliably. Taking advantage of the opportunity to collect extensive, contextual, energy-consumption data, we discuss a data-driven approach to develop an energy prediction model of a machine tool in this paper...
April 2017: Journal of Manufacturing Science and Engineering
https://www.readbyqxmd.com/read/28652413/dopaminergic-modulation-of-synaptic-integration-and-firing-patterns-in-the-rat-entopenduncular-nucleus
#5
Hagar Lavian, Mara Almog, Ravit Madar, Yocheved Loewenstern, Izhar Bar-Gad, Eitan Okun, Alon Korngreen
Dopamine is known to differentially modulate the impact of cortical input to the striatum between the direct and indirect pathways of the basal ganglia (BG). However, the role of extrastriatal dopamine receptors (DRs) in BG information processing is less clear. To investigate the role of extrastriatal DRs we studied their distribution and function in one of the output nuclei of the rodent's BG, the entopeduncular nucleus (EP). qRT-PCR indicated that all DR subtypes were expressed by EP neurons, suggesting that both D1-like receptors (D1LRs) and D2-like receptors (D2LRs) were likely to affect information processing in the EP...
June 26, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28648081/in-silico-and-in-vitro-screening-for-p-glycoprotein-interaction-with-tenofovir-darunavir-and-dapivirine-an-anti-retroviral-drug-combination-for-topical-prevention-of-colorectal-hiv-transmission
#6
Magda Swedrowska, Shirin Jamshidi, Abhinav Kumar, Charles Kelly, K Miraz Rahman, Ben Forbes
The aim of the study was to use in-silico and in vitro techniques to evaluate whether a triple formulation of antiretroviral drugs (tenofovir, darunavir and dapivirine) interacted with p-glycoprotein (P-gp) or exhibited any other permeability-altering drug-drug interactions in the colorectal mucosa. Potential drug interactions with P-gp were screened initially using molecular docking, followed by molecular dynamics simulations to analyse the identified drug-transporter interaction more mechanistically. The transport of tenofovir, darunavir and dapivirine was investigated in the Caco-2 cells models and colorectal tissue and their apparent permeability coefficient (Papp), efflux ratio (ER) and the effect of transporter inhibitors were evaluated...
June 25, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28647435/dietary-habits-in-parkinson-s-disease-adherence-to-mediterranean-diet
#7
Erica Cassani, Michela Barichella, Valentina Ferri, Giovanna Pinelli, Laura Iorio, Carlotta Bolliri, Serena Caronni, Samanta A Faierman, Antonia Mottolese, Chiara Pusani, Fatemeh Monajemi, Marianna Pasqua, Alessandro Lubisco, Emanuele Cereda, Gianni Pezzoli
INTRODUCTION: Our objective is to describe the dietary habits, food preferences and adherence to Mediterranean diet (MeDi) of a large sample of Italian Parkinson's Disease (PD) patients compared to a group of controls. METHODS: Dietary habits of 600 PD patients from throughout Italy and 600 controls matched by gender, age, education, physical activity level and geographical residence, were collected using the ON-GP Food Frequency Questionnaire. Then, we compared patients by disease duration and the presence of swallowing disturbances...
June 15, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28647242/effect-of-oxide-nanoparticles-on-the-morphology-and-fluidity-of-phospholipid-membranes-and-the-role-of-hydrogen-bonds
#8
Xiaoran Wei, Junchao Yu, Lei Ding, Jingtian Hu, Wei Jiang
Engineered oxide nanoparticles (NPs) are widely applied in insulators, catalyzers, paints, cosmetic products, textiles and semiconductors. Their attachment on cell membrane may lead to cytotoxicity. The effects of Al2O3, Fe2O3, SiO2, TiO2 and ZnO NPs on membrane integrity and fluidity were studied using giant or small unilamellar vesicles in this study. Al2O3 and SiO2 NPs disrupted the oppositely charged membrane, indicating the important role of electrostatic attraction. However, Fe2O3, TiO2 and ZnO NPs did not cause serious membrane disruption as Al2O3 and SiO2 NPs...
July 2017: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/28647166/clinical-development-of-a-recombinant-ebola-vaccine-in-the-midst-of-an-unprecedented-epidemic
#9
Beth-Ann G Coller, Jeffrey Blue, Rituparna Das, Sheri Dubey, Lynn Finelli, Swati Gupta, Frans Helmond, Rebecca J Grant-Klein, Kenneth Liu, Jakub Simon, Sean Troth, Susan VanRheenen, Julie Waterbury, Ashley Wivel, Jayanthi Wolf, D Gray Heppner, Tracy Kemp, Rick Nichols, Thomas P Monath
The 2014-2016 Ebola outbreak caused over 28,000 cases and 11,000 deaths. Merck & Co. Inc., Kenilworth, NJ USA and NewLink Genetics are working with private and public partners to develop and license an Ebola vaccine that was evaluated extensively during the outbreak. The vaccine referred to as V920 is a recombinant vesicular stomatitis virus (rVSV) in which the VSV-G envelope glycoprotein (GP) is completely replaced by the Zaire ebolavirus GP (rVSVΔG-ZEBOV-GP). Eight Phase I and four Phase II/III clinical trials enrolling approximately 17,000 subjects were conducted in parallel to the outbreak to assess the safety, immunogenicity, and/or efficacy of V920...
June 21, 2017: Vaccine
https://www.readbyqxmd.com/read/28645968/development-of-a-meta-algorithm-for-guiding-primary-care-encounters-for-patients-with-multimorbidity-using-evidence-based-and-case-based-guideline-development-methodology
#10
Cathleen Muche-Borowski, Dagmar Lühmann, Ingmar Schäfer, Rebekka Mundt, Hans-Otto Wagner, Martin Scherer
OBJECTIVE: The study aimed to develop a comprehensive algorithm (meta-algorithm) for primary care encounters of patients with multimorbidity. We used a novel, case-based and evidence-based procedure to overcome methodological difficulties in guideline development for patients with complex care needs. STUDY DESIGN: Systematic guideline development methodology including systematic evidence retrieval (guideline synopses), expert opinions and informal and formal consensus procedures...
June 22, 2017: BMJ Open
https://www.readbyqxmd.com/read/28645541/comparison-of-the-effect-by-which-gastric-plication-and-sleeve-gastrectomy-procedures-alter-metabolic-and-physical-parameters-in-an-obese-type-2-diabetes-rodent-model
#11
Min Ye, Renhong Huang, Zhijun Min, Peng Zhang, Tingfeng Wang, Bo Yu
BACKGROUND: Gastric plication (GP) and sleeve gastrectomy (SG) are 2 restrictive bariatric surgeries that are associated with weight loss and health improvement in patients with obesity. However, differences in how these procedures exert their effects have not been systematically evaluated and compared between techniques. OBJECTIVES: To investigate the effectiveness of GP and SG surgeries for obese patients with type 2 diabetes based on evaluation of energy metabolism, hormone metabolism, and gastrointestinal dynamics...
May 11, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28645275/rapid-monocyte-infiltration-following-retinal-detachment-is-dependent-on-non-canonical-il6-signaling-through-gp130
#12
Xinlei Wang, Eric B Miller, Mayank Goswami, Pengfei Zhang, Kaitryn E Ronning, Sarah J Karlen, Robert J Zawadzki, Edward N Pugh, Marie E Burns
BACKGROUND: Retinal detachment (RD) can lead to proliferative vitreoretinopathy (PVR), a leading cause of intractable vision loss. PVR is associated with a cytokine storm involving common proinflammatory molecules like IL6, but little is known about the source and downstream signaling of IL6 and the consequences for the retina. Here, we investigated the early immune response and resultant cytokine signaling following RD in mice. METHODS: RD was induced in C57BL/6 J and IL6 knockout mice, and the resulting inflammatory response was examined using immunohistochemistry and flow cytometry...
June 23, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28644300/breathlessness-in-the-primary-care-setting
#13
Noel Baxter
PURPOSE OF REVIEW: Breathlessness is a high-volume problem with 10% of adults experiencing the symptom daily placing a heavy burden on the health and wider economy. As it worsens, they enter the specialist and hospital-based symptom services where costs quickly escalate and people may find themselves in a place not of their choosing. For many, their care will be delivered by a disease or organ specialist and can find themselves passing between physicians without coordination for symptom support...
July 20, 2017: Current Opinion in Supportive and Palliative Care
https://www.readbyqxmd.com/read/28644155/transvenous-before-surgical-hybrid-procedure
#14
Joseph J Tiano, Robert Drennan, John Novella, Rafael Squiteri, Malcolm Robinson, Albert DiMeo, Lindsey Scierka, Paul LeLorier
BACKGROUND: Historically, persistent atrial fibrillation (PeAF) and long standing persistent atrial fibrillation (LSPeAF) have demonstrated limited clinical success despite hybrid approaches. OBJECTIVE: We describe our experience with the endocardial-before-epicardial approach defined by a comprehensive endovascular approach preceding and guiding the epicardial approach which includes an extensive posterior wall ablation. METHODS: 40 patients were followed over a 12 month period...
May 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28642912/influence-of-10-sodium-ascorbate-gel-application-time-on-composite-bond-strength-to-bleached-enamel
#15
Cintia Gaio Murad, Suellen Nunes de Andrade, Lucio Ramos Disconzi, Eliseu Aldrighi Munchow, Evandro Piva, Renata Correa Pascotto, Sandra Kiss Moura
Objective To analyze bond strength to bleached enamel following application of 10% sodium ascorbate gel. Material and methods Forty third molars were allocated into five groups (n = 8): GP - unbleached specimens restored with composite resin; GN - specimens restored immediately after bleaching; and G15; G30 and G60 (test groups) - bleached specimens treated with 10% sodium ascorbate gel for 15, 30 and 60 min before restoration. The teeth were sectioned and the buccal and lingual faces were restored. After storage in distilled water (37 °C/24 h), sticks of ±0...
December 2016: Acta Biomaterialia Odontologica Scandinavica
https://www.readbyqxmd.com/read/28642493/diffusional-displacive-transformation-enables-formation-of-long-period-stacking-order-in-magnesium
#16
Jin-Kyung Kim, Lei Jin, Stefanie Sandlöbes, Dierk Raabe
Mg is the most important lightweight engineering alloy enabling future weight-reduced and fuel-saving engineering solutions. Yet, Mg is soft. Long-period stacking ordered (LPSO) structures in Mg alloys have unique crystal structures, characterized by both complex chemical and stacking order. They are essential for strengthening of Mg alloys. The formation mechanism of these LPSO structures is still under discussion. Here we report that Y/Zn enriched Guinier-Preston (GP) zones observed in a lean Mg-Y-Zn model alloy are precursors of early stage LPSO structures...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28641316/a-cancer-geography-paradox-poorer-cancer-outcomes-with-longer-travelling-times-to-healthcare-facilities-despite-prompter-diagnosis-and-treatment-a-data-linkage-study
#17
Melanie Turner, Shona Fielding, Yuhan Ong, Chris Dibben, Zhiqianq Feng, David H Brewster, Corri Black, Amanda Lee, Peter Murchie
BACKGROUND: Rurality and distance from cancer treatment centres have been shown to negatively impact cancer outcomes, but the mechanisms remain obscure. METHODS: We analysed the impact of travel time to key healthcare facilities and mainland/island residency on the cancer diagnostic pathway (treatment within 62 days of referral, and within 31 days of diagnosis) and 1-year mortality using a data-linkage study with 12 339 patients. RESULTS: After controlling for important confounders, mainland patients with more than 60 min of travelling time to their cancer treatment centre ((OR 1...
June 22, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28640860/the-path-to-specialist-multidisciplinary-care-in-amyotrophic-lateral-sclerosis-a-population-based-study-of-consultations-interventions-and-costs
#18
Miriam Galvin, Padhraig Ryan, Sinead Maguire, Mark Heverin, Caoifa Madden, Alice Vajda, Charles Normand, Orla Hardiman
BACKGROUND: Amyotrophic Lateral Sclerosis (ALS) is a devastating neurological condition that requires coordinated, multidisciplinary clinical management. ALS is prone to misdiagnosis as its signs and symptoms may be non-specific, which may prolong patients' journey to multidisciplinary ALS care. METHODS: Using chart review and national register data, we have detailed the journey of a national cohort of ALS patients (n = 155) from the time of first symptom to presentation at a multidisciplinary clinic (MDC)...
2017: PloS One
https://www.readbyqxmd.com/read/28640695/gadolinium-brain-deposition-after-macrocyclic-gadolinium-administration-a-pediatric-case-control-study
#19
Daniel Tibussek, Christin Rademacher, Julian Caspers, Bernd Turowski, Jörg Schaper, Gerald Antoch, Dirk Klee
Purpose To determine whether signal intensity (SI) in T1 sequences as a potential indicator of gadolinium deposition increases after repeated administration of the macrocyclic gadolinium-based contrast agents (GBCAs) gadoteridol and gadoterate meglumine in a pediatric cohort. Materials and Methods This retrospective case-control study of children with brain tumors who underwent nine or more contrast material-enhanced brain magnetic resonance (MR) imaging studies from 2008 to 2015 was approved by the local ethics board...
June 21, 2017: Radiology
https://www.readbyqxmd.com/read/28640249/mybl2-b-myb-a-central-regulator-of-cell-proliferation-cell-survival-and-differentiation-involved-in-tumorigenesis
#20
REVIEW
Julian Musa, Marie-Ming Aynaud, Olivier Mirabeau, Olivier Delattre, Thomas Gp Grünewald
Limitless cell proliferation, evasion from apoptosis, dedifferentiation, metastatic spread and therapy resistance: all these properties of a cancer cell contribute to its malignant phenotype and affect patient outcome. MYBL2 (alias B-Myb) is a transcription factor of the MYB transcription factor family and a physiological regulator of cell cycle progression, cell survival and cell differentiation. When deregulated in cancer cells, MYBL2 mediates the deregulation of these properties. In fact, MYBL2 is overexpressed and associated with poor patient outcome in numerous cancer entities...
June 22, 2017: Cell Death & Disease
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