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https://www.readbyqxmd.com/read/27914110/physical-exercise-for-the-treatment-of-non-ulcerated-chronic-venous-insufficiency
#1
REVIEW
Diego N Araujo, Cibele Td Ribeiro, Alvaro Cc Maciel, Selma S Bruno, Guilherme Af Fregonezi, Fernando Al Dias
BACKGROUND: Chronic venous insufficiency (CVI) is a common disease that causes discomfort and impairs the quality of life of affected persons. Treatments such as physical exercise that aim to increase the movement of the ankle joint and strengthen the muscle pump in the calf of the leg may be useful to reduce the symptoms of CVI. OBJECTIVES: To assess and summarise the existing clinical evidence on the efficacy and safety of physical exercise programmes for the treatment of individuals with non-ulcerated CVI...
December 3, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27913822/more-than-just-scanning-the-importance-of-cap-independent-mrna-translation-initiation-for-cellular-stress-response-and-cancer
#2
REVIEW
Rafaela Lacerda, Juliane Menezes, Luísa Romão
The scanning model for eukaryotic mRNA translation initiation states that the small ribosomal subunit, along with initiation factors, binds at the cap structure at the 5' end of the mRNA and scans the 5' untranslated region (5'UTR) until an initiation codon is found. However, under conditions that impair canonical cap-dependent translation, the synthesis of some proteins is kept by alternative mechanisms that are required for cell survival and stress recovery. Alternative modes of translation initiation include cap- and/or scanning-independent mechanisms of ribosomal recruitment...
December 2, 2016: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/27913726/competitive-binding-between-seryl-trna-synthetase-yy1-complex-and-nfkb1-at-the-distal-segment-results-in-differential-regulation-of-human-vegfa-promoter-activity-during-angiogenesis
#3
Chuan-Yang Fu, Po-Chun Wang, Huai-Jen Tsai
Vascular endothelial growth factor (VEGF) plays a pivotal role in angiogenesis. Previous studies focused on transcriptional regulation modulated by proximal upstream cis-regulatory elements (CREs) of the human vegfa promoter. However, we hypothesized that distal upstream CREs may also be involved in controlling vegfa transcription. In this study, we found that the catalytic domain of Seryl-tRNA synthetase (SerRS) interacted with transcription factor Yin Yang 1 (YY1) to form a SerRS/YY1 complex that negatively controls vegfa promoter activity through binding distal CREs at -4654 to -4623 of vegfa Particularly, we demonstrated that the -4654 to -4623 segment, which predominantly controls vegfa promoter activity, is involved in competitive binding between SerRS/YY1 complex and NFKB1...
December 1, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27913616/genetic-contributors-to-intergenerational-cag-repeat-instability-in-huntington-s-disease-knock-in-mice
#4
João Luís Neto, Jong-Min Lee, Ali Afridi, Tammy Gillis, Jolene R Guide, Stephani Dempsey, Brenda Lager, Isabel Alonso, Vanessa C Wheeler, Ricardo Mouro Pinto
Huntington's disease is a neurodegenerative disorder caused by the expansion of a CAG trinucleotide repeat in exon 1 of the HTT gene. Longer repeat sizes are associated with increased disease penetrance and earlier ages of onset. Intergenerationally unstable transmissions are common in Huntington's disease families, partly underlying the genetic anticipation seen in this disorder. Huntington's disease CAG knock-in mouse models also exhibit a propensity for intergenerational repeat size changes. In this work, we examine intergenerational instability of the CAG repeat in over 20,000 transmissions in the largest Huntington's disease knock-in mouse model breeding datasets reported to date...
December 2, 2016: Genetics
https://www.readbyqxmd.com/read/27913019/persistent-organic-pollutants-in-shallow-percolated-water-of-the-alps-karst-system-zugspitze-summit-germany
#5
Walkiria Levy, Marchela Pandelova, Bernhard Henkelmann, Silke Bernhöft, Norbert Fischer, Felix Antritter, Karl-Werner Schramm
In the German Calcareous Alps at the Zugspitze, percolated water close to a permafrost bedrock in a tunnel system was monitored long-term for polychlorinated dibenzo-p-dioxins (PCDD), polychlorinated dibenzofurans (PCDF), polychlorinated biphenyls (PCB), polycyclic aromatic hydrocarbons (PAH), and 28 organochlorine pesticides (OCP). Semi-permeable membrane devices (SPMD) were deployed in a temporary surface water system at the Zugspitze plateau and analysed for PCB, PAH, and OCP. The high-volume water sampling was successfully implemented and all compounds were identified in the water percolated through the Karst system...
November 30, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27912739/comparing-the-adverse-clinical-outcomes-associated-with-fraction-flow-reserve-guided-versus-angiography-guided-percutaneous-coronary-intervention-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#6
Pravesh Kumar Bundhun, Chandra Mouli Yanamala, Feng Huang
BACKGROUND: Recently published randomized controlled trials have shown different results compared to the Fraction Flow Reserve Versus Angiography for Multi-vessel Evaluation (FAME) study. Therefore, this current analysis aimed to compare the adverse clinical outcomes associated with Fraction Flow Reserve (FFR)-guided versus standard angiography-guided Percutaneous Coronary Intervention (PCI) using a large number of randomized patients. METHODS: PubMed/Medline, EMBASE and the Cochrane library were searched for studies comparing FFR-guided with angiography-guided PCI...
December 3, 2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27912247/molecular-evolution-in-insect-societies-an-eco-evo-devo-synthesis
#7
Amy L Toth, Sandra M Rehan
The evolution of eusociality is a perennial issue in evolutionary biology, and genomic advances have fueled steadily growing interest in the genetic changes underlying social evolution. Along with a recent flurry of research on comparative and evolutionary genomics in different eusocial insect groups (bees, ants, wasps, and termites), several mechanistic explanations have emerged to describe the molecular evolution of eusociality from solitary behavior. These include solitary physiological ground plans, genetic toolkits of deeply conserved genes, evolutionary changes in protein-coding genes, cis regulation, and the structure of gene networks, epigenetics, and novel genes...
November 28, 2016: Annual Review of Entomology
https://www.readbyqxmd.com/read/27912207/clinical-adverse-effects-of-endothelin-receptor-antagonists-insights-from-the-meta-analysis-of-4894-patients-from-24-randomized-double-blind-placebo-controlled-clinical-trials
#8
Anhua Wei, Zhichun Gu, Juan Li, Xiaoyan Liu, Xiaofan Wu, Yi Han, Jun Pu
BACKGROUND: Evidence of the clinical safety of endothelin receptor antagonists (ERAs) is limited and derived mainly from individual trials; therefore, we conducted a meta-analysis. METHODS AND RESULTS: After systematic searches of the Medline, Embase, and Cochrane Library databases and the ClinicalTrials.gov website, randomized controlled trials with patients receiving ERAs (bosentan, macitentan, or ambrisentan) in at least 1 treatment group were included. All reported adverse events of ERAs were evaluated...
October 26, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27912198/usefulness-of-chads2-score-for-prognostic-stratification-of-patients-with-coronary-artery-disease-a-systematic-review-and-meta-analysis-of-cohort-studies
#9
Xiaobo Zhou, Kaiwu Cao, Shuangqing Kou, Shencheng Qu, Hongling Li, Ying Yu, Cong Wang, Yu Liu, Pengying Li, Dan Li
OBJECTIVE: To evaluate the role of CHADS2 score on predicting ischaemic stroke or transient ischaemic attack (TIA) and death in patients with coronary artery disease (CAD), irrespective of the presence or absence of atrial fibrillation (AF). METHODS: We searched for cohort studies that reported risk estimates for incidence of ischaemic stroke/TIA or mortality by levels of CHADS2 score in Medline/PubMed and Embase. Random effects models were used to calculate pooled risk ratios (RRs) and 95% confidence intervals (CIs)...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27912177/raman-spectroscopy-and-quantum-mechanical-analysis-of-tautomeric-forms-in-cytosine-and-5-methylcytosine-on-gold-surfaces
#10
Dinh Bao Nguyen, Thanh Danh Nguyen, Sangsoo Kim, Sang-Woo Joo
Spectral differences between cytosine (Cyt) and 5-methylcytosine (5MC) were investigated by means of Raman spectroscopy with a combination of density functional theory (DFT) calculations. Surface-enhanced Raman scattering (SERS) revealed discriminating peaks of 5MC from those of Cyt upon adsorption on gold nanoparticles (AuNPs). Among the notable features, the multiple bands between 850 and 700cm(-1) for the ring-breathing modes of 5MC and Cyt could be correlated well with the simulated spectra based on the DFT calculations of the adsorbates on the gold cluster atoms...
November 9, 2016: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/27911854/carotenoids-and-risk-of-fracture-a-meta-analysis-of-observational-studies
#11
Jiuhong Xu, Chunli Song, Xiaochao Song, Xi Zhang, Xinli Li
To quantify the association between dietary and circulating carotenoids and fracture risk, a meta-analysis was conducted by searching MEDLINE and EMBASE databases for eligible articles published before May 2016. Five prospective and 2 case-control studies with 140,265 participants and 4,324 cases were identified in our meta-analysis. Among which 5 studies assessed the association between dietary carotenoids levels and hip fracture risk, 2 studies focused on the association between circulating carotenoids levels and any fracture risk...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27910943/identification-of-absolute-geometries-of-cis-and-trans-molecular-isomers-by-coulomb-explosion-imaging
#12
Utuq Ablikim, Cédric Bomme, Hui Xiong, Evgeny Savelyev, Razib Obaid, Balram Kaderiya, Sven Augustin, Kirsten Schnorr, Ileana Dumitriu, Timur Osipov, René Bilodeau, David Kilcoyne, Vinod Kumarappan, Artem Rudenko, Nora Berrah, Daniel Rolles
An experimental route to identify and separate geometric isomers by means of coincident Coulomb explosion imaging is presented, allowing isomer-resolved photoionization studies on isomerically mixed samples. We demonstrate the technique on cis/trans 1,2-dibromoethene (C2H2Br2). The momentum correlation between the bromine ions in a three-body fragmentation process induced by bromine 3d inner-shell photoionization is used to identify the cis and trans structures of the isomers. The experimentally determined momentum correlations and the isomer-resolved fragment-ion kinetic energies are matched closely by a classical Coulomb explosion model...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910424/a-study-of-cr-39-plastic-charged-particle-detector-replacement-by-consumer-imaging-sensors
#13
K O Plaud-Ramos, M S Freeman, W Wei, E Guardincerri, J D Bacon, J Cowan, J M Durham, D Huang, J Gao, M A Hoffbauer, D J Morley, C L Morris, D C Poulson, Zhehui Wang
Consumer imaging sensors (CIS) are examined for real-time charged-particle detection and CR-39 plastic detector replacement. Removing cover glass from CIS is hard if not impossible, in particular for the latest inexpensive webcam models. We show that $10-class CIS are sensitive to MeV and higher energy protons and α-particles by using a (90)Sr β-source with its cover glass in place. Indirect, real-time, high-resolution detection is also feasible when combining CIS with a ZnS:Ag phosphor screen and optics...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27909798/the-loading-of-condensin-in-the-context-of-chromatin
#14
REVIEW
Xavier Robellet, Vincent Vanoosthuyse, Pascal Bernard
The packaging of DNA into chromosomes is a ubiquitous process that enables living organisms to structure and transmit their genome accurately through cell divisions. In the three kingdoms of life, the architecture and dynamics of chromosomes rely upon ring-shaped SMC (Structural Maintenance of Chromosomes) condensin complexes. To understand how condensin rings organize chromosomes, it is essential to decipher how they associate with chromatin filaments. Here, we use recent evidence to discuss the role played by nucleosomes and transcription factors in the loading of condensin at transcribed genes...
December 1, 2016: Current Genetics
https://www.readbyqxmd.com/read/27909792/exploring-the-rationale-experience-and-impact-of-using-cancer-information-and-support-cis-services-an-international-qualitative-study
#15
Anna Boltong, Martin Ledwick, Kevin Babb, Clare Sutton, Anna Ugalde
PURPOSE: The aim of this study was to develop an in-depth understanding of the rationale, experiences, evaluation and outcomes of using Cancer Information and Support (CIS) services in Australia, the UK and USA. METHODS: Semi-structured interviews were used to gather data between November 2015 and January 2016. Telephone interviews were recorded, de-identified, transcribed and thematically analysed. Ten users from each of three international CIS services (n = 30 in total) were recruited...
December 1, 2016: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/27909363/evidence-of-reliability-validity-and-practicality-for-the-canadian-physiotherapy-assessment-of-clinical-performance
#16
Brenda Mori, Kathleen E Norman, Dina Brooks, Jodi Herold, Dorcas E Beaton
Purpose: To investigate the internal consistency, construct validity, and practicality of the Canadian Physiotherapy Assessment of Clinical Performance (ACP), a descriptive measure used by physiotherapy students and their clinical instructors (CIs) at the mid- and endpoints of an internship to describe the students' behaviours as observed in the clinical education setting relative to what might be expected of an entry-level physiotherapist. Methods: This multi-centre study piloted the ACP in 10 university physiotherapy (PT) programmes...
2016: Physiotherapy Canada. Physiothérapie Canada
https://www.readbyqxmd.com/read/27909036/defining-adolescent-common-mental-disorders-using-electronic-primary-care-data-a-comparison-with-outcomes-measured-using-the-cis-r
#17
Rosie P Cornish, Ann John, Andy Boyd, Kate Tilling, John Macleod
OBJECTIVE: To compare the prevalence of common mental disorders (CMDs) derived from data held in primary care records with that measured using the revised Clinical Interview Schedule (CIS-R) in order to assess the potential robustness of findings based only on routinely collected data. DESIGN AND SETTING: Comparison study using linkage between the Avon Longitudinal Study of Parents and Children (ALSPAC) and electronic primary care records. PARTICIPANTS: We studied 1562 adolescents who had completed the CIS-R in ALSPAC at age 17-18 years and had linkage established to their primary care records...
December 1, 2016: BMJ Open
https://www.readbyqxmd.com/read/27909035/randomised-controlled-pilot-study-to-investigate-the-effectiveness-of-thoracic-epidural-and-paravertebral-blockade-in-reducing-chronic-post-thoracotomy-pain-topic-feasibility-study-protocol
#18
Joyce Yeung, Teresa Melody, Amy Kerr, Babu Naidu, Lee Middleton, Kostas Tryposkiadis, Jane Daniels, Fang Gao
INTRODUCTION: Open chest surgery (thoracotomy) is considered the most painful of surgical procedures. Forceful wound retraction, costochondral dislocation, posterior costovertebral ligament disruption, intercostal nerve trauma and wound movement during respiration combine to produce an acute, severe postoperative pain insult and persistent chronic pain many months after surgery is common. Three recent systematic reviews conclude that unilateral continuous paravertebral blockade (PVB) provides analgesia at least equivalent to thoracic epidural blockade (TEB) in the postoperative period, has a lower failure rate, and symptom relief that lasted months...
December 1, 2016: BMJ Open
https://www.readbyqxmd.com/read/27908607/impact-of-remote-ischaemic-preconditioning-on-major-clinical-outcomes-in-patients-undergoing-cardiovascular-surgery-a-meta-analysis-with-trial-sequential-analysis-of-32-randomised-controlled-trials
#19
Shifei Wang, Hairui Li, Nvqin He, Yili Sun, Shengcun Guo, Wangjun Liao, Yulin Liao, Yanmei Chen, Jianping Bin
BACKGROUND: The impact of remote ischaemic preconditioning (RIPC) on major clinical outcomes in patients undergoing cardiovascular surgery remains controversial. We systematically reviewed the available evidence to evaluate the potential benefits of RIPC in such patients. METHODS: PubMed, Embase, and Cochrane Library databases were searched for relevant randomised controlled trials (RCTs) conducted between January 2006 and March 2016. The pooled population of patients who underwent cardiovascular surgery was divided into the RIPC and control groups...
November 17, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27908605/direct-health-care-costs-associated-with-obesity-in-chinese-population-in-2011
#20
Jingcheng Shi, Yao Wang, Wenwei Cheng, Hui Shao, Lizheng Shi
AIMS: Overweight and obesity are established major risk factors for type 2 diabetes, and major public health concerns in China. This study aims to assess the economic burden associated with overweight and obesity in the Chinese population ages 45 and older. METHODS: The Chinese Health and Retirement Longitudinal Study (CHARLS) in 2011 included 13,323 respondents of ages 45 and older living in 450 rural and urban communities across China. Demographic information, height, weight, direct health care costs for outpatient visits, hospitalization, and medications for self-care were extracted from the CHARLS database...
November 12, 2016: Journal of Diabetes and its Complications
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