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https://www.readbyqxmd.com/read/28813815/how-do-strength-and-coordination-recovery-interact-after-stroke-a-computational-model-for-informing-robotic-training
#1
Sumner L Norman, Joan Lobo-Prat, David J Reinkensmeyer
Robotic devices can train strength, coordination, or a combination of both. If a robotic device focuses on coordination, what happens to strength recovery, and vice versa? Understanding this interaction could help optimize robotic training. We developed a computational neurorehabilitation model to gain insight into the interaction between strength and coordination recovery after stroke. In the model, the motor system recovers by optimizing the activity of residual corticospinal cells (focally connected, excitatory and inhibitory) and reticulospinal cells (diffusely connected and excitatory) to achieve a motor task...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813542/the-african-cholera-surveillance-network-africhol-consortium-meeting-10-11-june-2015-lom%C3%A3-togo
#2
Aline Munier, Berthe-Marie Njanpop-Lafourcade, Delphine Sauvageot, Raymond B Mhlanga, Léonard Heyerdahl, Johara Nadri, Richard Wood, Issaka Ouedraogo, Alexandre Blake, Laurent Akilimali Mukelenge, Jean-Claude B Anné, Abiba Banla Kere, Lucienne Dempouo, Sakoba Keita, José P M Langa, Issa Makumbi, Elibariki R Mwakapeje, Ian J Njeru, Olubunmi E Ojo, Isaac Phiri, Lorenzo Pezzoli, Bradford D Gessner, Martin Mengel
The fifth annual meeting of the African cholera surveillance network (Africhol) took place on 10-11 June 2015 in Lomé, Togo. Together with international partners, representatives from the 11 member countries -Cameroon, Côte d'Ivoire, Democratic Republic of Congo, Guinea, Kenya, Mozambique, Nigeria, Tanzania, Togo, Uganda, Zimbabwe- and an invited country (Malawi) shared their experience. The meeting featured three sessions: i) cholera surveillance, prevention and control in participating countries, ii) cholera surveillance methodology, such as cholera mapping, cost-effectiveness studies and the issue of overlapping epidemics from different diseases, iii) cholera laboratory diagnostics tools and capacity building...
2017: BMC Proceedings
https://www.readbyqxmd.com/read/28813457/a-large-scale-examination-of-the-effectiveness-of-anonymous-marking-in-reducing-group-performance-differences-in-higher-education-assessment
#3
Daniel P Hinton, Helen Higson
The present research aims to more fully explore the issues of performance differences in higher education assessment, particularly in the context of a common measure taken to address them. The rationale for the study is that, while performance differences in written examinations are relatively well researched, few studies have examined the efficacy of anonymous marking in reducing these performance differences, particularly in modern student populations. By examining a large archive (N = 30674) of assessment data spanning a twelve-year period, the relationship between assessment marks and factors such as ethnic group, gender and socio-environmental background was investigated...
2017: PloS One
https://www.readbyqxmd.com/read/28813415/cdk4-6-inhibition-triggers-anti-tumour-immunity
#4
Shom Goel, Molly J DeCristo, April C Watt, Haley BrinJones, Jaclyn Sceneay, Ben B Li, Naveed Khan, Jessalyn M Ubellacker, Shaozhen Xie, Otto Metzger-Filho, Jeremy Hoog, Matthew J Ellis, Cynthia X Ma, Susanne Ramm, Ian E Krop, Eric P Winer, Thomas M Roberts, Hye-Jung Kim, Sandra S McAllister, Jean J Zhao
Cyclin-dependent kinases 4 and 6 (CDK4/6) are fundamental drivers of the cell cycle and are required for the initiation and progression of various malignancies. Pharmacological inhibitors of CDK4/6 have shown significant activity against several solid tumours. Their primary mechanism of action is thought to be the inhibition of phosphorylation of the retinoblastoma tumour suppressor, inducing G1 cell cycle arrest in tumour cells. Here we use mouse models of breast carcinoma and other solid tumours to show that selective CDK4/6 inhibitors not only induce tumour cell cycle arrest, but also promote anti-tumour immunity...
August 16, 2017: Nature
https://www.readbyqxmd.com/read/28813330/personality-and-performance-moving-beyond-the-big-5
#5
REVIEW
Ross Roberts, Tim Woodman
In this review, we examine the literature in relation to personality and performance. Much of the extant work in this area has focused on the role of the Big 5 traits (i.e., extraversion, conscientiousness, openness to experience, agreeableness, and neuroticism), at the expense of other personality variables that have a strong performance-focused rationale. Further, a focus on main effects has dominated the literature, without recourse to consider person×environment interactions. In this review we go beyond the Big 5 and consider the role of two personality traits, narcissism and alexithymia, in relation to performance...
August 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28813326/transdiagnostic-mechanisms-of-change-and-cognitive-behavioral-treatments-for-ptsd
#6
REVIEW
Matthew W Gallagher
This paper reviews the current status of transdiagnostic mechanisms of change targeted in cognitive-behavioral interventions, with a focus on mechanisms that are also relevant to emotional disorders that frequently co-occur with PTSD. First, an overview of the rationale for and key features of identifying mechanisms of change is presented, with a discussion of why it is crucial to examine mechanisms that are relevant across diagnostic boundaries. A review of the current evidence for five promising transdiagnostic mechanisms (hope, neuroticism, emotion regulation, cognitive reappraisal, and anxiety sensitivity) is then provided...
April 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28812979/truth-in-research-labelling
#7
John H Noble
This report describes the background and context of a currently circulating petition to the US Congress that seeks amendment of Section 801 of the Public Health Services Act (42 U.S.C. 282) to close a loophole in existing law which makes possible post hoc adjustment of randomised controlled trial (RCT) results reported to the Food and Drug Administration that differ from those reported to ClinicalTrials.gov and to medical journals. The report describes the petition's rationale, underlying assumptions, and support for its proposed remedy in deontological, consequentialist, and casuist philosophical ethics theories...
July 2017: Indian Journal of Medical Ethics
https://www.readbyqxmd.com/read/28812502/post-discharge-care-for-patients-following-stoma-formation-what-the-nurse-needs-to-know
#8
Jennie Burch
Rationale and key points This article discusses post-discharge care for patients following stoma formation. While the patient is taught the practicalities of managing the stoma appliance in hospital, this learning should be integrated into their daily life following discharge from hospital. Nurses are required to consider and address any issues that might affect the patient in the long term. These include changes in body image, adapting to having a stoma, preventing or treating complications associated with a stoma, and long-term follow-up...
August 16, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28812389/evolocumab-for-the-treatment-of-hypercholesterolemia
#9
Brian Tomlinson, Miao Hu, Yuzhen Zhang, Paul Chan, Zhong-Min Liu
Evolocumab is a fully human monoclonal immunoglobulin G2 directed against human proprotein convertase subtilisin/kexin type 9 (PCSK9). It is administered by subcutaneous injection every 2 weeks or once monthly. Area covered: Herein, the authors discuss the rationale for inhibiting PCSK9 and describe the pharmacodynamics, pharmacokinetics and clinical trials with evolocumab. Evolocumab reduces low density lipoprotein cholesterol (LDL-C) levels by 50 to 60% in most patients with and without background treatment with statins or other lipid lowering agents...
August 16, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28811085/the-use-of-phenobarbital-and-other-anti-seizure-drugs-in-newborns
#10
REVIEW
Mohamed El-Dib, Janet S Soul
Neonatal seizures constitute the most frequent presenting neurologic sign encountered in the neonatal intensive care unit. Despite limited efficacy and safety data, phenobarbital continues to be used near-universally as the first-line anti-seizure drug (ASD) in neonates. The choice of second-line ASDs varies by provider and institution, and is still not supported by sufficient scientific evidence. In this review, we discuss the available evidence supporting the efficacy, mechanism of action, potential adverse effects, key pharmacokinetic characteristics such as interaction with therapeutic hypothermia, logistical issues, and rationale for use of neonatal ASDs...
August 12, 2017: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28810112/patient-and-physician-perceptions-of-genetic-testing-in-primary-care
#11
Samuel A Evenson, H Eugene Hoyme, Jan E Haugen-Rogers, Eric A Larson, Susan E Puumala
INTRODUCTION: The convergence of biomedical informatics and translational genomics is changing the way we practice. Primary care will play a pivotal role in this transformation. We therefore sought to assess general knowledge about genetic testing among outpatient internal medicine providers, and the patients that they serve across a five state region in the Midwest. METHODS: One thousand take-home paper surveys were created and distributed to internal medicine patients at 13 Midwestern clinics...
November 2016: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28809936/benefits-and-safety-of-gabapentinoids-in-chronic-low-back-pain-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#12
Harsha Shanthanna, Ian Gilron, Manikandan Rajarathinam, Rizq AlAmri, Sriganesh Kamath, Lehana Thabane, Philip J Devereaux, Mohit Bhandari
BACKGROUND AND OBJECTIVE: Chronic Low Back Pain (CLBP) is very common, with a lifetime prevalence between 51% and 80%. In majority, it is nonspecific in nature and multifactorial in etiology. Pregabalin (PG) and Gabapentin (GB) are gabapentinoids that have demonstrated benefit in neuropathic pain conditions. Despite no clear rationale, they are increasingly used for nonspecific CLBP. They necessitate prolonged use and are associated with adverse effects and increased cost. Recent guidelines from the National Health Service (NHS), England, expressed concerns on their off-label use, in addition to the risk of misuse...
August 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28809591/reducing-inappropriate-non-steroidal-anti-inflammatory-prescription-in-primary-care-patients-with-chronic-kidney-disease
#13
David M Keohane, Thomas Dennehy, Kenneth P Keohane, Eamonn Shanahan
Purpose The purpose of this paper is to reduce inappropriate non-steroidal anti-inflammatory prescribing in primary care patients with chronic kidney disease (CKD). Once diagnosed, CKD management involves delaying progression to end stage renal failure and preventing complications. It is well established that non-steroidal anti-inflammatories have a negative effect on kidney function and consequently, all nephrology consensus groups suggest avoiding this drug class in CKD. Design/methodology/approach The sampling criteria included all practice patients with a known CKD risk factor...
August 14, 2017: International Journal of Health Care Quality Assurance
https://www.readbyqxmd.com/read/28808943/a-logistic-regression-model-predicting-high-axillary-tumour-burden-in-early-breast-cancer-patients
#14
I Barco, M García Font, A García-Fernández, N Giménez, M Fraile, J M Lain, E Vallejo, S González, L Canales, J Deu, M C Vidal, M Rodríguez-Carballeira, A Pessarrodona, C Chabrera
PURPOSE: As elective axillary dissection is loosing ground for early breast cancer (BC) patients both in terms of prognostic and therapeutic power, there is a growing interest in predicting patients with (nodal) high tumour burden (HTB), especially after a positive sentinel node biopsy (SNB) because they would really benefit from further axillary intervention either by complete lymph-node dissection or axillary radiation therapy. METHODS/PATIENTS: Based on an analysis of 1254 BC patients in whom complete axillary clearance was performed, we devised a logistic regression (LR) model to predict those with HTB, as defined by the presence of three or more involved nodes with macrometastasis...
August 14, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28808858/vitamin-d-and-heart-failure
#15
REVIEW
D Marshall Brinkley, Omair M Ali, Sandip K Zalawadiya, Thomas J Wang
PURPOSE: Vitamin D is principally known for its role in calcium homeostasis, but preclinical studies implicate multiple pathways through which vitamin D may affect cardiovascular function and influence risk for heart failure. Many adults with cardiovascular disease have low vitamin D status, making it a potential therapeutic target. We review the rationale and potential role of vitamin D supplementation in the prevention and treatment of chronic heart failure. RECENT FINDINGS: Substantial observational evidence has associated low vitamin D status with the risk of heart failure, ventricular remodeling, and clinical outcomes in heart failure, including mortality...
August 14, 2017: Current Heart Failure Reports
https://www.readbyqxmd.com/read/28808284/molecular-rationale-behind-the-differential-substrate-specificity-of-bacterial-rnd-multi-drug-transporters
#16
Venkata Krishnan Ramaswamy, Attilio V Vargiu, Giuliano Malloci, Jürg Dreier, Paolo Ruggerone
Resistance-Nodulation-cell Division (RND) transporters AcrB and AcrD of Escherichia coli expel a wide range of substrates out of the cell in conjunction with AcrA and TolC, contributing to the onset of bacterial multidrug resistance. Despite sharing an overall sequence identity of ~66% (similarity ~80%), these RND transporters feature distinct substrate specificity patterns whose underlying basis remains elusive. We performed exhaustive comparative analyses of the putative substrate binding pockets considering crystal structures, homology models and conformations extracted from multi-copy μs-long molecular dynamics simulations of both AcrB and AcrD...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28807830/usp5-promotes-tumorigenesis-and-progression-of-pancreatic-cancer-by-stabilizing-foxm1-protein
#17
Xin-Yan Li, Hai-Yun Wu, Xiao-Fang Mao, Li-Xin Jiang, Yong-Xiang Wang
Increased ubiquitin-specific protease 5 (USP5) has been associated with tumorigenesis of malignancy including glioblastoma, melanoma and hepatocellular carcinoma. However, the role of USP5 in tumorigenesis of pancreatic ductal adenocarcinoma (PDAC) has not been studied yet. In this study, we demonstrated that USP5 was significantly upregulated in a panel of PDAC cell lines and correlated with FoxM1 protein expression. USP5 knockdown inhibited proliferation of PANC-1 and SW1990, two PDAC cell lines. In the mouse xenografted pancreatic tumor model, suppression of USP5 significantly decreased tumor growth, correlated with down regulation of FoxM1...
August 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28807656/opportunities-for-model-based-precision-dosing-in-the-treatment-of-sickle-cell-anemia
#18
Min Dong, Tomoyuki Mizuno, Alexander A Vinks
Hydroxyurea is the primary pharmacotherapy to prevent complications of sickle cell anemia (SCA). Accumulated clinical experience across multiple age ranges has suggested that the use of an individualized maximum tolerated dose (MTD) will achieve optimal benefit of hydroxyurea treatment. However, the current empirical and trial-and-error approach for dose escalation often results in a lengthy titration process and is not strictly implemented in many clinics. Opportunities exist for pharmacokinetics model-based precision dosing of hydroxyurea to quickly achieve individual MTD...
August 9, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28807569/il-10-engineered-human-cd4-tr1-cells-eliminate-myeloid-leukemia-in-an-hla-class-i-dependent-mechanism
#19
Grazia Locafaro, Grazia Andolfi, Fabio Russo, Luca Cesana, Antonello Spinelli, Barbara Camisa, Fabio Ciceri, Angelo Lombardo, Attilio Bondanza, Maria Grazia Roncarolo, Silvia Gregori
T regulatory cells (Tregs) play a key role in modulating T cell responses. Clinical trials showed that Tregs modulate graft-versus-host disease (GvHD) after allogeneic hematopoietic stem cell transplantation (allo-HSCT). However, their ability to mediate anti-leukemic activity (graft-versus-leukemia [GvL]) is largely unknown. Enforced interleukin-10 (IL-10) expression converts human CD4(+) T cells into T regulatory type 1 (Tr1)-like (CD4(IL-10)) cells that suppress effector T cells in vitro and xenoGvHD in humanized mouse models...
July 5, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28806299/the-dynamic-and-transient-immune-microenvironment-in-locally-advanced-esophageal-adenocarcinoma-post-chemoradiation
#20
Ronan J Kelly, Ali H Zaidi, Matthew A Smith, Ashten N Omstead, Juliann E Kosovec, Daisuke Matsui, Samantha A Martin, Christina DiCarlo, E Day Werts, Jan F Silverman, David H Wang, Blair A Jobe
OBJECTIVE: The aim of this study was to assess the impact of chemoradiation on the immune microenvironment to influence and optimally design future neoadjuvant clinical trials. SUMMARY BACKGROUND DATA: Programmed death (PD)-1 inhibitors in metastatic gastroesophageal cancer have demonstrated response rates of approximately 25% in programmed death ligand-1 (PD-L1+) tumors. Unfortunately, the majority of patients do not respond. Therefore, a rationale strategy of combining immunotherapeutic agents with chemoradiation in earlier stage esophageal cancer may prevent metastatic disease in patients...
August 10, 2017: Annals of Surgery
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