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https://www.readbyqxmd.com/read/29350685/re-orchestration-of-blood-flow-by-micro-circulations
#1
P A R Meyer
Haemoglobin Video Imaging (HVI) demonstrates conjunctival and episcleral blood flow in man with the resolution of a single erythrocyte. A new method for establishing vessel hierarchy in micro-circulations is described, which recognises either delivery or drainage vessels and references vessel order to the capillary. These tools have been used to characterise blood flow.Anterior ciliary arteries show pulsatile variation in diameter. The episcleral arterial circle that they supply has functional apices with pulsatile flow reversal...
January 19, 2018: Eye
https://www.readbyqxmd.com/read/29348850/novel-indazole-based-small-compounds-enhance-trail-induced-apoptosis-by-inhibiting-the-mkk7-tiprl-interaction-in-hepatocellular-carcinoma
#2
Ji-Yong Yoon, Jeong-Ju Lee, Sujin Gu, Myoung Eun Jung, Hyun-Soo Cho, Jung Hwa Lim, Soo Young Jun, Jun-Ho Ahn, Ju-Sik Min, Min-Hyuk Choi, Su-Jin Jeon, Yong-Jae Lee, Areum Go, Yun-Jeong Heo, Cho-Rok Jung, Gildon Choi, Kwangho Lee, Moon-Kook Jeon, Nam-Soon Kim
Hepatocellular carcinoma (HCC) is one of the most malignant tumors. Although various treatments, such as surgery and chemotherapy, have been developed, a novel alternative therapeutic approach for HCC therapy is urgently needed. Tumor necrosis factor-related apoptosis inducing ligand (TRAIL) is a promising anti-cancer agent, but many cancer cells are resistant to TRAIL-induced apoptosis. To help overcome TRAIL resistance in HCC cancer cells, we have identified novel chemical compounds that act as TRAIL sensitizers...
December 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29347243/analytical-scalings-of-the-linear-richtmyer-meshkov-instability-when-a-rarefaction-is-reflected
#3
F Cobos-Campos, J G Wouchuk
The Richtmyer-Meshkov instability for the case of a reflected rarefaction is studied in detail following the growth of the contact surface in the linear regime and providing explicit analytical expressions for the asymptotic velocities in different physical limits. This work is a continuation of the similar problem when a shock is reflected [Phys. Rev. E 93, 053111 (2016)1539-375510.1103/PhysRevE.93.053111]. Explicit analytical expressions for the asymptotic normal velocity of the rippled surface (δv_{i}^{∞}) are shown...
July 2017: Physical Review. E
https://www.readbyqxmd.com/read/29347086/aggregation-fragmentation-diffusion-model-for-trail-dynamics
#4
Kyle Kawagoe, Greg Huber, Marc Pradas, Michael Wilkinson, Alain Pumir, Eli Ben-Naim
We investigate statistical properties of trails formed by a random process incorporating aggregation, fragmentation, and diffusion. In this stochastic process, which takes place in one spatial dimension, two neighboring trails may combine to form a larger one, and also one trail may split into two. In addition, trails move diffusively. The model is defined by two parameters which quantify the fragmentation rate and the fragment size. In the long-time limit, the system reaches a steady state, and our focus is the limiting distribution of trail weights...
July 2017: Physical Review. E
https://www.readbyqxmd.com/read/29346919/balancing-building-and-maintenance-costs-in-growing-transport-networks
#5
Arianna Bottinelli, Rémi Louf, Marco Gherardi
The costs associated to the length of links impose unavoidable constraints to the growth of natural and artificial transport networks. When future network developments cannot be predicted, the costs of building and maintaining connections cannot be minimized simultaneously, requiring competing optimization mechanisms. Here, we study a one-parameter nonequilibrium model driven by an optimization functional, defined as the convex combination of building cost and maintenance cost. By varying the coefficient of the combination, the model interpolates between global and local length minimization, i...
September 2017: Physical Review. E
https://www.readbyqxmd.com/read/29345617/loss-of-functional-bap1-augments-sensitivity-to-trail-in-cancer-cells
#6
Krishna Kalyan Kolluri, Constantine Alifrangis, Neelam Kumar, Yuki Ishii, Stacey Price, Magali Michaut, Steven Williams, Syd Barthorpe, Howard Lightfoot, Sara Busacca, Annabel Sharkey, Zhenqiang Yuan, Elizabeth K Sage, Sabarinath Vallath, John Le Quesne, David A Tice, Doraid Alrifai, Sylvia von Karstedt, Antonella Montinaro, Naomi Guppy, David A Waller, Apostolos Nakas, Robert Good, Alan Holmes, Henning Walczak, Dean A Fennel, Mathew Garnett, Francesco Iorio, Lodewyk Wessels, Ultan McDermott, Samuel M Janes
Malignant mesothelioma (MM) is poorly responsive to systemic cytotoxic chemotherapy and invariably fatal. Here we describe a screen of 94 drugs in 15 exome-sequenced MM lines and the discovery of a subset defined by loss of function of the nuclear deubiquitinase BRCA associated protein-1 (BAP1) that demonstrate heightened sensitivity to TRAIL (tumour necrosis factor-related apoptosis-inducing ligand). This association is observed across human early passage MM cultures, mouse xenografts and human tumour explants...
January 18, 2018: ELife
https://www.readbyqxmd.com/read/29342226/don-t-judge-a-book-by-its-cover-examiner-expectancy-effects-predict-neuropsychological-performance-for-individuals-judged-as-chronic-cannabis-users
#7
Louise M Sodos, Rayna B Hirst, Jessica Watson, Dylan Vaughn
Objective: The experimenter expectancy effect confound remains largely unexplored in neuropsychological research and has never been investigated among cannabis users. This study investigated whether examiner expectancies of cannabis user status affected examinees' neuropsychological performance. Method: Participants included 41 cannabis users and 20 non-users. Before testing, examiners who were blind to participant user status privately rated whether they believed the examinee was a cannabis user or non-user...
January 12, 2018: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/29341755/excitation-and-control-of-plasma-wakefields-by-multiple-laser-pulses
#8
J Cowley, C Thornton, C Arran, R J Shalloo, L Corner, G Cheung, C D Gregory, S P D Mangles, N H Matlis, D R Symes, R Walczak, S M Hooker
We demonstrate experimentally the resonant excitation of plasma waves by trains of laser pulses. We also take an important first step to achieving an energy recovery plasma accelerator by showing that a plasma wave can be damped by an out-of-resonance trailing laser pulse. The measured laser wakefields are found to be in excellent agreement with analytical and numerical models of wakefield excitation in the linear regime. Our results indicate a promising direction for achieving highly controlled, GeV-scale laser-plasma accelerators operating at multikilohertz repetition rates...
July 28, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29340815/comparison-between-submucosal-tunneling-endoscopic-resection-and-video-assisted-thoracoscopic-enucleation-for-esophageal-submucosal-tumors-originating-from-the-muscularis-propria-layer-a-randomized-controlled-trial
#9
Ningli Chai, Chen Du, Ying Gao, Xiaotong Niu, Yaqi Zhai, Enqiang Linghu, Yang Liu, Bo Yang, Zhongsheng Lu, Zhenjuan Li, Xiangdong Wang, Ping Tang
BACKGROUND AND AIMS: Surgical resection is considered the first treatment option for submucosal tumors (SMTs) originating from the muscularis propria layer while submucosal tunneling endoscopic resection (STER) is proved to be a safe and effective method for treating SMTs. This study aimed to compare video-assisted thoracoscopic enucleation (VATE) with STER for treating esophageal SMTs. METHODS: Sixty-six patients with small esophageal SMTs were prospectively randomized from July 2014 to December 2015...
January 16, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29340317/intradialytic-cognitive-and-exercise-training-may-preserve-cognitive-function
#10
Mara A McAdams-DeMarco, Jonathan Konel, Fatima Warsame, Hao Ying, Marlís González Fernández, Michelle C Carlson, Derek M Fine, Lawrence J Appel, Dorry L Segev
Introduction: Cognitive decline is common and increases mortality risk in hemodialysis patients. Intradialytic interventions like cognitive training (CT) and exercise training (ET) may preserve cognitive function. Methods: We conducted a pilot randomized controlled trial of 20 hemodialysis patients to study the impact of 3 months of intradialytic CT (tablet-based brain games) (n = 7), ET (foot peddlers) (n = 6), or standard of care (SC) (n = 7) on cognitive function...
January 2018: KI Reports
https://www.readbyqxmd.com/read/29339435/corrected-and-republished-from-the-cop9-signalosome-interacts-with-and-regulates-interferon-regulatory-factor-5-protein-stability
#11
Justyna Korczeniewska, Betsy J Barnes
The transcription factor interferon regulatory factor 5 (IRF5) exerts crucial functions in the regulation of host immunity against extracellular pathogens, DNA damage-induced apoptosis, death receptor signaling, and macrophage polarization. Tight regulation of IRF5 is thus warranted for an efficient response to extracellular stressors and for limiting autoimmune and inflammatory responses. Here we report that the COP9 signalosome (CSN), a general modulator of diverse cellular and developmental processes, associates constitutively with IRF5 and promotes its protein stability...
February 1, 2018: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/29336959/psychological-attributes-of-ultramarathoners
#12
Katherine Buck, Jack Spittler, Alex Reed, Morteza Khodaee
INTRODUCTION: As the popularity of ultramarathon participation increases, there still exists a lack of understanding of the unique psychological characteristics of ultramarathon runners. The current study sought to investigate some of the psychological and behavioral factors that are involved in ultramarathon running. METHODS: We obtained information from participants of the Bear Chase Trail Race via an online survey. This race is a single-day, multidistance race consisting of a 10 k, half marathon, 50 k, 50 mi, and 100 k run in Lakewood, Colorado, at a base altitude of 1680 m with total altitude in climbs ranging from 663 to 2591 m...
January 11, 2018: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/29336223/assessment-of-safety-culture-among-job-positions-in-high-rise-construction-a-hybrid-fuzzy-multi-criteria-decision-making-fmcdm-approach
#13
A Ardeshir, M Mohajeri
The construction industry is known as one of the most dangerous industries, which not only requires sound operation of executive laws and regulations, but also necessitates the safety culture of all workers at workshops. Therefore, the aim of this research is to identify the factors of safety culture and ranking occupations in jobsites based on those factors in order to proactively improve the safety culture of construction projects and subsequently promote safety conditions and worksites. In this study, safety culture criteria are weighted by a combination of Fuzzy Decision Trail and Evaluation Laboratory and Fuzzy ANP methods...
January 16, 2018: International Journal of Injury Control and Safety Promotion
https://www.readbyqxmd.com/read/29335033/should-capacity-assessments-be-performed-routinely-prior-to-discussing-advance-care-planning-with-older-people
#14
Oleg Kiriaev, Emme Chacko, J D Jurgens, Meagan Ramages, Phillipa Malpas, Gary Cheung
BACKGROUND: People with dementia receive worse end of life care compared to those with cancer. Barriers to undertaking advanced care planning (ACP) in people with dementia include the uncertainty about their capacity to engage in such discussions. The primary aim of this study was to compare the Advance Care Planning-Capacity Assessment Vignette tool (ACP-CAV) with a semi-structured interview adapted from the MacArthur Competence Assessment Tool-Treatment (MacCAT-T). The secondary aim was to identify demographic and cognitive functioning variables that may predict whether a person has capacity to discuss ACP...
January 16, 2018: International Psychogeriatrics
https://www.readbyqxmd.com/read/29334906/rationale-and-design-of-the-carolina%C3%A2-cognition-substudy-a-randomised-controlled-trial-on-cognitive-outcomes-of-linagliptin-versus-glimepiride-in-patients-with-type-2-diabetes-mellitus
#15
Geert Jan Biessels, Jolien Janssen, Esther van den Berg, Bernard Zinman, Mark A Espeland, Michaela Mattheus, Odd Erik Johansen
BACKGROUND: Type 2 diabetes mellitus is associated with cognitive dysfunction and an increased risk of dementia. Linagliptin is a glucose-lowering agent of the dipeptidyl peptidase-IV (DPP-IV) inhibitor class that is of particular interest for the prevention of accelerated cognitive decline, because it may potentially benefit the brain through pleiotropic effects, beyond glucose lowering. This paper presents the design of a study that aims to establish if linagliptin is superior to the sulfonylurea glimepiride in the prevention of accelerated cognitive decline in patients with type 2 diabetes mellitus...
January 15, 2018: BMC Neurology
https://www.readbyqxmd.com/read/29333349/annual-and-spatial-variation-in-composition-and-activity-of-terrestrial-mammals-on-two-replicate-plots-in-lowland-forest-of-eastern-ecuador
#16
John G Blake, Bette A Loiselle
Terrestrial mammals are important components of lowland forests in Amazonia (as seed dispersal agents, herbivores, predators) but there are relatively few detailed studies from areas that have not been affected by human activities (e.g., hunting, logging). Yet, such information is needed to evaluate effects of humans elsewhere. We used camera traps to sample medium to large-sized terrestrial mammals at a site in lowland forests of eastern Ecuador, one of the most biologically rich areas in the world. We deployed cameras on two study plots in terra firme forest at Tiputini Biodiversity Station...
2018: PeerJ
https://www.readbyqxmd.com/read/29332308/transcatheter-closure-of-patent-foramen-ovale-for-secondary-prevention-of-ischemic-stroke-quantitative-synthesis-of-pooled-randomized-trial-data
#17
Abdul Hakeem, Mehmet Cilingiroglu, Angelos Katramados, Konstantinos Dean Boudoulas, Cezar Iliescu, Betul Gundogdu, Konstantinos Marmagkiolis
OBJECTIVES: To evaluate the safety and efficacy of percutaneous device closure of patent foramen ovale (PFO) for secondary prevention of ischemic stroke BACKGROUND: Stroke remains the leading cause of serious long-term disability in the United States. The effectiveness of a percutaneous PFO closure in the prevention of recurrent cryptogenic strokes has not been established. METHODS: We performed a literature search using PubMed, EMBASE, Cochrane Central Register of Controlled Trials, Google Scholar, and Internet-based sources from January 2003 to September 2017...
January 14, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29331872/effect-of-physical-activity-on-cognitive-flexibility-depression-and-rbd-in-healthy-elderly
#18
Stefanie Lerche, Alexandra Gutfreund, Kathrin Brockmann, Markus A Hobert, Isabel Wurster, Ulrike Sünkel, Gerhard W Eschweiler, Florian G Metzger, Walter Maetzler, Daniela Berg
OBJECTIVE: The prevalence of Alzheimer's disease and Parkinson's disease increases with the raising number of elderly, which will be a challenging situation for the healthcare systems and society in the future. There is evidence that there are modifiable risk-factors e.g. physical activity for these diseases. Here, we study the interaction between sports inactivity with prodromal markers for neurodegeneration. PATIENTS AND METHODS: We investigated 667 neurologically healthy individuals cross-sectional and a subgroup longitudinal over six years...
January 9, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29331692/memory-performance-predicts-response-to-psychotherapy-for-depression-in-bipolar-disorder-a-pilot-randomized-controlled-trial-with-exploratory-functional-magnetic-resonance-imaging
#19
Thilo Deckersbach, Amy T Peters, Conor Shea, Aishwarya Gosai, Jonathan P Stange, Andrew D Peckham, Kristen K Ellard, Michael W Otto, Scott L Rauch, Darin D Dougherty, Andrew A Nierenberg
OBJECTIVE: This pilot randomized controlled trial compared Cognitive Behavior Therapy (CBT) and Supportive Psychotherapy (SP) for the treatment of depression in bipolar I disorder. We also examined whether exploratory verbal memory, executive functioning, and neural correlates of verbal memory during functional magnetic resonance imaging (fMRI) predicted change in depression severity. METHODS: Thirty-two adults (ages 18-65) with DSM-IV bipolar I disorder meeting current criteria for a major depressive episode were randomized to 18 weeks of CBT or SP...
December 27, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29329403/host-tree-selection-by-the-invasive-argentine-ant-hymenoptera-formicidae-in-relation-to-honeydew-producing-insects
#20
Yugo Seko, Daisuke Hayasaka, Atsushi Nishino, Taizo Uchida, Francisco Sánchez-Bayo, Takuo Sawahata
The Argentine ant, Linepithema humile (Mayr; Hymenoptera: Formicidae), is one of the world's most hazardous invasive species, and thus its eradication from Japan is important. Physical and chemical controls can be expensive and cause strong adverse effects on local terrestrial ecosystems regardless of their high efficacy. Here, presence/absence of host-tree selection by Argentine ants was investigated to understand the ant-honeydew-producing insects interactions in order to develop new cultural controls compatible with biodiversity conservation...
January 10, 2018: Journal of Economic Entomology
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