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https://www.readbyqxmd.com/read/28441748/convergent-validity-of-a-wearable-sensor-system-for-measuring-sub-task-performance-during-the-timed-up-and-go-test
#1
James Beyea, Chris A McGibbon, Andrew Sexton, Jeremy Noble, Colleen O'Connell
BACKGROUND: The timed-up-and-go test (TUG) is one of the most commonly used tests of physical function in clinical practice and for research outcomes. Inertial sensors have been used to parse the TUG test into its composite phases (rising, walking, turning, etc.), but have not validated this approach against an optoelectronic gold-standard, and to our knowledge no studies have published the minimal detectable change of these measurements. METHODS: Eleven adults performed the TUG three times each under normal and slow walking conditions, and 3 m and 5 m walking distances, in a 12-camera motion analysis laboratory...
April 23, 2017: Sensors
https://www.readbyqxmd.com/read/28441684/development-of-consensus-based-best-practice-guidelines-for-postoperative-care-following-posterior-spinal-fusion-for-adolescent-idiopathic-scoliosis
#2
Nicholas D Fletcher, Michael P Glotzbecker, Michelle Marks, Peter O Newton
STUDY DESIGN: Delphi process with multiple iterative rounds using a nominal group technique. OBJECTIVE: The aim of this study was to use expert opinion to achieve consensus on various aspects of postoperative care following posterior spinal fusion (PSF) for adolescent idiopathic scoliosis (AIS). SUMMARY OF BACKGROUND DATA: Significant variability exists in postoperative care following PSF for AIS, despite a relatively healthy patient population and continuously improving operative techniques...
May 1, 2017: Spine
https://www.readbyqxmd.com/read/28441330/real-time-telemetry-system-for-monitoring-motion-of-ships-based-on-inertial-sensors
#3
José M Núñez, Marta G Araújo, I García-Tuñón
A telemetry system for real-time monitoring of the motions, position, speed and course of a ship at sea is presented in this work. The system, conceived as a subsystem of a radar cross-section measurement unit, could also be used in other applications as ships dynamics characterization, on-board cranes, antenna stabilizers, etc. This system was designed to be stand-alone, reliable, easy to deploy, low-cost and free of requirements related to stabilization procedures. In order to achieve such a unique combination of functionalities, we have developed a telemetry system based on redundant inertial and magnetic sensors and GPS (Global Positioning System) measurements...
April 25, 2017: Sensors
https://www.readbyqxmd.com/read/28440880/-to-be-forgotten-statements-become-less-true-memory-processes-involved-in-selection-and-forgetting-lead-to-truthfulness-changes-of%C3%A2-ambiguous-sentences
#4
Ana Sofia Santos, Tânia Ramos, Leonel Garcia-Marques, Paula Carneiro
What happens when people try to forget something? What are the consequences of instructing people to intentionally forget a sentence? Recent studies employing the item-method directed forgetting paradigm have shown that to-be-forgotten (TBF) items are, in a subsequent task, emotionally devaluated relative to to-be-remembered (TBR) items, an aftereffect of memory selection (Vivas, Marful, Panagiotidou & Bajo, 2016). As such, distractor devaluation by attentional selection generalizes to memory selection. In this study, we use the item-method directed forgetting paradigm to test the effects of memory selection and inhibition on truth judgments of ambiguous sentences...
April 25, 2017: Scandinavian Journal of Psychology
https://www.readbyqxmd.com/read/28440809/a-missense-polymorphism-in-the-putative-pheromone-receptor-gene-vn1r1-is-associated-with-sociosexual-behavior
#5
S Henningsson, D Hovey, K Vass, H Walum, K Sandnabba, P Santtila, P Jern, L Westberg
Pheromones regulate social and reproductive behavior in most mammalian species. These effects are mediated by the vomeronasal and main olfactory systems. Effects of putative pheromones on human neuroendocrine activity, brain activity and attractiveness ratings suggest that humans may communicate via similar chemosignaling. Here we studied two samples of younger and older individuals, respectively, with respect to one nonsynonymous polymorphism in the gene encoding the human vomeronasal type-1 receptor 1, VN1R1, and one nonsynonymous polymorphism in the gene encoding the olfactory receptor OR7D4...
April 25, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28440750/where-does-capillary-blood-glucose-stand-following-the-impact-trial-implications-of-a-new-way-of-measuring-glucose-in-routine-clinical-practice
#6
Eva Aguilera, Federico Vázquez
No abstract text is available yet for this article.
March 2017: Endocrinol Diabetes Nutr
https://www.readbyqxmd.com/read/28440712/gelatin-albumin-hybrid-nanoparticles-as-matrix-metalloproteinases-degradable-delivery-systems-for-breast-cancer-therapy
#7
Vahid Heravi Shargh, Hubert Hondermarck, Mingtao Liang
AIM: To develop matrix metalloproteinase-responsive gelatin-albumin hybrid nanoparticles encapsulating a selective tropomyosin receptor kinase A (TrkA) inhibitor GNF-5837 (Gel-Alb-GNF HNPs) and to demonstrate their anticancer effects in breast cancer. METHODS: Gel-Alb-GNF HNPs were prepared using a pH-controlled complexation process from cationic gelatin, dextran sulfate and albumin-bound GNF-5837. The anticancer activities of Gel-Alb-GNF HNPs were tested in a panel of subtype-specific breast cancer cell lines...
April 25, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28440628/edaphic-conditions-regulate-denitrification-directly-and-indirectly-by-altering-denitrifier-abundance-in-wetlands-along-the-han-river-china
#8
Ziqian Xiong, Laodong Guo, Quanfa Zhang, Guihua Liu, Wenzhi Liu
Riparian wetlands play a critical role in retaining nitrogen (N) from upland runoff and improving river water quality, mainly through biological processes such as soil denitrification. However, the relative contribution of abiotic and biotic factors to riparian denitrification capacity remains elusive. Here we report the spatio-temporal dynamics of potential and unamended soil denitrification rates in 20 wetlands along the Han River, an important water source in central China. We also quantified the abundance of soil denitrifying microorganisms using nirK and nirS genes...
April 25, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28440535/socioeconomic-status-and-its-relationship-to-chronic-respiratory-disease
#9
Sonu Sahni, Ankoor Talwar, Sameer Khanijo, Arunabh Talwar
Socioeconomic status (SES) is defined as an individual's social or economic standing, and is a measure of an individual's or family's social or economic position or rank in a social group. It is a composite of several measures including income, education, occupation, location of residence or housing. Studies have found a lower SES has been linked to disproportionate access to health care in many diseases. There is emerging data in pulmonary diseases such as COPD, asthma, cystic fibrosis, pulmonary hypertension and other chronic respiratory conditions that allude to a similar observation noted in other chronic diseases...
2017: Advances in Respiratory Medicine
https://www.readbyqxmd.com/read/28439998/the-effects-of-chosen-plant-extracts-and-compounds-on-mesenchymal-stem-cells-a-bridge-between-molecular-nutrition-and-regenerative-medicine-concise-review
#10
REVIEW
Katarzyna Kornicka, Ievgeniia Kocherova, Krzysztof Marycz
Mesenchymal stem cells (MSC) stand as a promising tool in regenerative medicine because of their high therapeutic potential in treatment of degenerative, metabolic and other types of diseases. The cellular therapies involving MSCs include their isolation mainly from the bone marrow, adipose tissue or umbilical cord and in vitro expansion for further autologous or allogeneic transplantation. Recent studies revealed, that bioactive compounds, naturally occurring in seaweeds, herbs, fruits and vegetables, possess the ability to modulate self-renewal and differentiation potential of adult stem cells, targeting a broad range of intracellular signal transduction pathways...
April 25, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28439897/platelet-lysate-obtained-via-plateletpheresis-performed-in-standing-and-awake-equine-donors
#11
Scarlett M Sumner, Maria C Naskou, Merrilee Thoresen, Ian Copland, John F Peroni
BACKGROUND: Platelet preparations containing growth factors, attachment factors, and enzymes are appealing to enhance healing of injured tissues and as an alternative to xenogenic serum in cell culture media. Plateletpheresis is commonly used to collect platelets in human medicine but has not been validated in horses. STUDY DESIGN AND METHODS: Plateletpheresis to collect platelet concentrate was performed on six female, mixed breed, chemically restrained horses using commercially available apheresis equipment...
April 25, 2017: Transfusion
https://www.readbyqxmd.com/read/28439833/srnatoolboxvm-small-rna-analysis-in-a-virtual-machine
#12
Cristina Gómez-Martín, Ricardo Lebrón, Antonio Rueda, José L Oliver, Michael Hackenberg
High-throughput sequencing (HTS) data for small RNAs (noncoding RNA molecules that are 20-250 nucleotides in length) can now be routinely generated by minimally equipped wet laboratories; however, the bottleneck in HTS-based research has shifted now to the analysis of such huge amount of data. One of the reasons is that many analysis types require a Linux environment but computers, system administrators, and bioinformaticians suppose additional costs that often cannot be afforded by small to mid-sized groups or laboratories...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28439779/searching-for-an-internal-representation-of-stimulus-kinematics-in-the-response-of-ventral-paraflocculus-purkinje-cells
#13
Pablo M Blazquez, GyuTae Kim, Tatyana A Yakusheva
Motor control theories propose that the central nervous system builds internal representations of the motion of both our body and external objects. These representations, called forward models, are essential for accurate motor control. For instance, to produce a precise reaching movement to catch a flying ball, the central nervous system must build predictions of the current and future states of both the arm and the ball. Accumulating evidence suggests that the cerebellar cortex contains a forward model of an individual's body movement...
April 24, 2017: Cerebellum
https://www.readbyqxmd.com/read/28439619/association-between-bone-mineral-density-muscle-strength-and-vitamin-d-status-in-patients-with-myasthenia-gravis-a-cross-sectional-study
#14
Y Guan, F Lv, Y Meng, D Ma, X Xu, Y Song, O Wang, Y Jiang, W Xia, X Xing, J Zhang, M Li
Myasthenia gravis (MG) patients had low proximal hip BMD, which could be explained by reduced muscle strength, elevated bone resorption markers, vitamin D deficiency, and increased PTH levels in those with MG compared to controls. INTRODUCTION: Muscle strength is closely correlated with bone mineral density (BMD) and vitamin D status. Here, we evaluated muscle strength, BMD, and vitamin D status in a large sample of Chinese patients with MG. METHODS: In this cross-sectional survey, 86 patients with MG without glucocorticoid treatment and 86 healthy controls were included...
April 24, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28439302/femoral-osteochondritis-of-the-knee-prognostic-value-of-the-mechanical-axis
#15
P Gonzalez-Herranz, M L Rodriguez, C de la Fuente
PURPOSE: Femoral osteochondritis dissecans (OCD) is a disorder of unknown aetiology and variable prognosis that causes knee pain. In this paper, the authors study the impact of lower limb malalignment on the development and prognosis of OCD. METHODS: After anteroposterior (AP) and lateral radiograph and MRI of the knee, 53 cases of OCD were diagnosed. All patients were studied by standing full-length AP radiograph of the lower extremities in order to analyse the relationship between the femorotibial and mechanical axis and the location and stability of the osteochondritis...
2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28439248/effects-of-promotion-and-compunction-interventions-on-real-intergroup-interactions-promotion-helps-but-high-compunction-hurts
#16
Katy Greenland, Dimitrios Xenias, Gregory R Maio
HIGHLIGHTS  We show the promotion intervention has positive effects during intergroup contact, but that high levels of compunction can have negative effects. Intergroup contact is probably the longest standing and most comprehensively researched intervention to reduce discrimination. It is also part of ordinary social experience, and a key context in which discrimination is played out. In this paper, we explore two additional interventions which are also designed to reduce discrimination, but which have not yet been applied to real intergroup interactions...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28439155/extracranial-trigeminal-schwannomas-a-retrospective-analysis
#17
Aviral Agrawal, Virendra Singh, Amrish Bhagol, Pradeep Kumar, Anjali Narwal
OBJECTIVE: To analyse the clinic-radiological features and treatment outcome of extracranial trigeminal schwannomas. METHOD: Medical records and radiographs of patients treated, from January 2011 to December 2013, for neurogenic tumors were retrospectively reviewed. Extracranial schwannomas other than those of trigeminal nerve were also excluded. A number of parameters, including the patient's age, gender, site, clinical features, radiographic features, histologic variants and treatment provided as well as any associated complications were recorded and analysed...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28438778/the-dual-amylin-and-calcitonin-receptor-agonist-kbp-042-works-as-adjunct-to-metformin-on-fasting-hyperglycaemia-and-hba1c-in-a-rat-model-of-type-2-diabetes
#18
Sara Toftegaard Hjuler, Sofie Gydesen, Kim Vietz Andreassen, Morten Asser Karsdal, Kim Henriksen
KBP-042 is a dual amylin and calcitonin receptor agonist which increases glucose tolerance and insulin action, and reduces body weight in rat models of obesity and pre-diabetes. The objective of the present study was to 1) Evaluate KBP-042 as a treatment of late stage type 2 diabetes in a rat model and 2) Assess the value of adding KBP-042 to the standard of care, metformin, in order to consider KBP-042 as a relevant drug for treating patients with type 2 diabetes. Two studies were included: an intervention and a prevention study...
April 24, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28438514/components-of-standing-postural-control-evaluated-in-pediatric-balance-measures-a-scoping-review
#19
REVIEW
Kathryn M Sibley, Marla K Beauchamp, Karen Van Ooteghem, Marie Paterson, Kristy Dm Wittmeier
OBJECTIVE: To identify measures of standing balance validated in pediatric populations and determine the components of postural control captured in each tool. DATA SOURCES: Electronic searches of Medline, Embase, and CINAHL databases using key word combinations of postural balance/ equilibrium, psychometrics/ reproducibility of results/ predictive value of tests, child/ pediatrics; grey literature; and hand searches. STUDY SELECTION: Inclusion criteria were measures with a stated objective to assess balance, pediatric (<=18 years) populations, at least one psychometric evaluation, one standing task, standardized protocol and evaluation criteria, and published in English...
April 21, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28438305/cardiovascular-response-to-recreational-hockey-in-middle-aged-men
#20
Zack A Goodman, Scott G Thomas, Robert C Wald, Jack M Goodman
The present study examined the hemodynamic response to recreational pick-up hockey relative to maximal exercise testing in middle-aged men. A total of 23 men with a mean age of 53 ± 7 years were studied. Graded exercise testing on a cycle ergometer determined maximal oxygen consumption, blood pressure (BP), and heart rate (HR). Ambulatory BP and Holter electrocardiographic monitoring was performed during one of their weekly hockey games (mean duration = 45 ± 7.2 minutes): for "On-Ice" responses (PLAY; data recorded while standing immediately after a shift; 8...
April 11, 2017: American Journal of Cardiology
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