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https://www.readbyqxmd.com/read/28646745/automatic-postural-responses-are-generated-according-to-feet-orientation-and-perturbation-magnitude
#1
Nametala Maia Azzi, Daniel Boari Coelho, Luis Augusto Teixeira
This investigation aimed to assess the effect of feet orientation angle in upright stance on automatic postural responses (APRs) to mechanical perturbations of different magnitudes. Perturbation was produced by releasing suddenly a load attached to the participant's trunk, leading to forward body sway. We evaluated APRs to loads corresponding to 5% (low) and 10% (high) of the participant's body weight, comparing the following feet orientations: parallel, preferred (M=10.46°), 15° and 30° for each foot regarding the body midline...
June 21, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28646717/comprehending-the-multiple-values-of-green-infrastructure-valuing-nature-based-solutions-for-urban-water-management-from-multiple-perspectives
#2
T C Wild, J Henneberry, L Gill
The valuation of urban water management practices and associated nature-based solutions (NBS) is highly contested, and is becoming increasingly important to cities seeking to increase their resilience to climate change whilst at the same time facing budgetary pressures. Different conceptions of 'values' exist, each being accompanied by a set of potential measures ranging from calculative practices (closely linked to established market valuation techniques) - through to holistic assessments that seek to address wider concerns of sustainability...
June 21, 2017: Environmental Research
https://www.readbyqxmd.com/read/28646711/effect-of-memantine-on-c-reactive-protein-and-lipid-profiles-in-bipolar-disorder
#3
Hui Hua Chang, Po See Chen, Tzu-Yun Wang, Sheng-Yu Lee, Shiou-Lan Chen, San-Yuan Huang, Jau-Shyong Hong, Yen Kuang Yang, Ru-Band Lu
BACKGROUND: Balance in the immune system plays roles in bipolar disorder (BD) and its metabolic co-morbidities. Memantine is an NMDA receptor antagonist with anti-inflammatory effects. However, the effects of memantine adjunct treatment on metabolic status of BD are unclear. METHODS: During the 12 weeks period, a total of 191 BD patients were enrolled and split into valproate (VPA) + placebo and VPA + memantine (5mg/day) arms. The fasting plasma levels of high-sensitivity C-reactive protein (CRP) and metabolic indices were assessed...
June 9, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28646680/the-experiences-of-supporting-learning-in-pairs-of-nursing-students-in-clinical-practice
#4
Hanna Holst, Lise-Lotte Ozolins, David Brunt, Ulrica Hörberg
The purpose of this study is to describe how supervisors experience supporting nursing students' learning in pairs on a Developing and Learning Care Unit in Sweden. The present study has been carried out with a Reflective Lifeworld Research (RLR) approach founded on phenomenology. A total of 25 lifeworld interviews were conducted with supervisors who had supervised pairs of students. The findings reveal how supervisors support students' learning in pairs through a reflective approach creating learning space in the encounter with patients, students and supervisors...
June 9, 2017: Nurse Education in Practice
https://www.readbyqxmd.com/read/28646310/effects-of-a-dark-septate-endophyte-dse-on-growth-cadmium-content-and-physiology-in-maize-under-cadmium-stress
#5
Yongmei He, Zhixin Yang, Mingrui Li, Ming Jiang, Fangdong Zhan, Yanqun Zu, Tao Li, Zhiwei Zhao
Dark septate endophytes (DSE) are widely distributed in plant roots grown in stressful habitats, especially in heavy metal-polluted soils. But little is known about the physiological interactions between DSE and plants under heavy metal stress. In the present study, the growth, Cd content, and physiological response of Zea mays L. to a root-colonized DSE, Exophiala pisciphila, were analyzed under Cd stress (0, 5, 10, 20, and 40 mg/kg) in a sand culture experiment. Under high Cd (10, 20, and 40 mg/kg) stress, the DSE colonization in roots increased the maize growth, kept more Cd in roots, and decreased Cd content in shoots...
June 23, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28646136/recurrent-background-mutations-in-whi2-impair-proteostasis-and-degradation-of-misfolded-cytosolic-proteins-in-saccharomyces-cerevisiae
#6
Sophie A Comyn, Stéphane Flibotte, Thibault Mayor
Proteostasis promotes viability at both the cellular and organism levels by maintaining a functional proteome. This requires an intricate protein quality control (PQC) network that mediates protein folding by molecular chaperones and removes terminally misfolded proteins via the ubiquitin proteasome system and autophagy. How changes within the PQC network can perturb proteostasis and shift the balance between protein folding and proteolysis remain poorly understood. However, given that proteostasis is altered in a number of conditions such as cancer and ageing, it is critical that we identify the factors that mediate PQC and understand the interplay between members of the proteostatic network...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28645852/g0s2-a-small-giant-controller-of-lipolysis-and-adipose-liver-fatty-acid-flux
#7
REVIEW
Xiaodong Zhang, Bradlee L Heckmann, Latoya E Campbell, Jun Liu
The discovery of adipose triglyceride lipase (ATGL) and its coactivator comparative gene identification-58 (CGI-58) provided a major paradigm shift in the understanding of intracellular lipolysis in both adipocytes and nonadipocyte cells. The subsequent discovery of G0/G1 switch gene 2 (G0S2) as a potent endogenous inhibitor of ATGL revealed a unique mechanism governing lipolysis and fatty acid (FA) availability. G0S2 is highly conserved in vertebrates, and exhibits cyclical expression pattern between adipose tissue and liver that is critical to lipid flux and energy homeostasis in these two tissues...
June 20, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28645845/the-feature-weighted-receptive-field-an-interpretable-encoding-model-for-complex-feature-spaces
#8
REVIEW
Ghislain St-Yves, Thomas Naselaris
We introduce the feature-weighted receptive field (fwRF), an encoding model designed to balance expressiveness, interpretability and scalability. The fwRFis organized around the notion of a feature map-a transformation of visual stimuli into visual features that preserves the topology of visual space (but not necessarily the native resolution of the stimulus). The key assumption of the fwRFmodel is that activity in each voxel encodes variation in a spatially localized region across multiple feature maps. This region is fixed for all feature maps; however, the contribution of each feature map to voxel activity is weighted...
June 20, 2017: NeuroImage
https://www.readbyqxmd.com/read/28645809/enhanced-in-vivo-retention-of-low-dose-bmp-2-via-heparin-microparticle-delivery-does-not-accelerate-bone-healing-in-a-critically-sized-femoral-defect
#9
Marian H Hettiaratchi, Tel Rouse, Catherine Chou, Laxminarayanan Krishnan, Hazel Y Stevens, Mon-Tzu A Li, Todd C McDevitt, Robert E Guldberg
Bone morphogenetic protein-2 (BMP-2) is an osteoinductive growth factor used clinically to induce bone regeneration and fusion. Some complications associated with BMP-2 treatment have been attributed to rapid release of BMP-2 from conventional collagen scaffolds, motivating the development of tunable sustained-release strategies. We incorporated BMP-2-binding heparin microparticles (HMPs) into a hydrogel scaffold to improve spatiotemporal control of BMP-2 delivery to large bone defects. HMPs pre-loaded with BMP-2 were mixed into alginate hydrogels and compared to hydrogels containing BMP-2 alone...
June 20, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28645739/mir-1224-inhibits-cell-proliferation-in-acute-liver-failure-by-targeting-the-antiapoptotic-gene-nfib
#10
Sanchari Roy, Heike Bantel, Franziska Wandrer, Anne Theres Schneider, Jeremie Gautheron, Mihael Vucur, Frank Tacke, Christian Trautwein, Tom Luedde, Christoph Roderburg
BACKGROUND AND AIMS: Patient outcome in acute liver failure (ALF) is crucially determined by the appropriate balance between cell death and compensatory cell proliferation. MicroRNAs (miRNAs) - small non-coding RNAs that function as guide molecules in RNA silencing - have evolved as crucial mediators of nearly all developmental and pathological processes including physiology and disease of the liver. We investigated the role of miR-1224 during ALF. METHODS: We measured miR-1224 in livers of mice in various acute liver disease murine models and in ALF patients using quantitative real-time polymerase chain reaction...
June 20, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28645674/does-spinal-deformity-correction-of-non-dystrophic-scoliosis-in-neurofibromatosis-type-1-with-one-stage-posterior-pedicle-screw-technique-produce-outcomes-similar-to-adolescent-idiopathic-scoliosis
#11
Qiunan Lyu, Chunguang Zhou, Yueming Song, Limin Liu, Lei Wang, Zhongjie Zhou
BACKGROUND CONTEXT: Efficacy of one-stage posterior pedicle screw instrument used in the treatment of non-dystrophic scoliosis in neurofibromatosis type-1(NF-1) is unknown. And there is no study that has directly compared the results of spinal deformity correction between non-dystrophic scoliosis in NF-1 and adolescent idiopathic scoliosis (AIS). PURPOSE: To study the efficacy of one-stage posterior pedicle screw instrument used in the treatment of non-dystrophic scoliosis in NF-1 and compare non-dystrophic scoliosis in NF-1 with matched AIS to illustrate the differences...
June 20, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28645673/supra-acetabular-line-is-better-than-supra-iliac-line-for-coronal-balance-referencing-a-study-of-perioperative-whole-spine-x-rays-in-degenerative-lumbar-scoliosis-and-ankylosing-spondylitis-patients
#12
Hwee Weng Dennis Hey, Cheung-Kue Kim, Won-Gyu Lee, Hyung-Suk Juh, Ki-Tack Kim
BACKGROUND CONTEXT: The aim of spinal deformity correction is to restore the spine's functional alignment by balancing it in both the sagittal and coronal planes. Regardless of posture, the ideal coronal profile is straight, and therefore readily assessable. PURPOSE: This study compares two radiological methods to determine which better predicts postoperative standing coronal balance. STUDY DESIGN/SETTING: We conducted a single-centre, radiographic comparative study between 2011 and 2015...
June 20, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28645656/allochthonous-carbon-is-a-major-driver-of-the-microbial-food-web-a-mesocosm-study-simulating-elevated-terrestrial-matter-runoff
#13
Cédric L Meunier, Antonia Liess, Agneta Andersson, Sonia Brugel, Joanna Paczkowska, Habib Rahman, Bjorn Skoglund, Owen F Rowe
Climate change predictions indicate that coastal and estuarine environments will receive increased terrestrial runoff via increased river discharge. This discharge transports allochthonous material, containing bioavailable nutrients and light attenuating matter. Since light and nutrients are important drivers of basal production, their relative and absolute availability have important consequences for the base of the aquatic food web, with potential ramifications for higher trophic levels. Here, we investigated the effects of shifts in terrestrial organic matter and light availability on basal producers and their grazers...
June 15, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/28645481/subcellular-localization-of-glycolytic-enzymes-and-characterization-of-intermediary-metabolism-of-trypanosoma-rangeli
#14
Rocío Rondón-Mercado, Héctor Acosta, Ana J Cáceres, Wilfredo Quiñones, Juan Luis Concepción
Trypanosoma rangeli is a hemoflagellate protist that infects wild and domestic mammals as well as humans in Central and South America. Although this parasite is not pathogenic for human, it is being studied because it shares with Trypanosoma cruzi, the etiological agent of Chagas' disease, biological characteristics, geographic distribution, vectors and vertebrate hosts. Several metabolic studies have been performed with T. cruzi epimastigotes, however little is known about the metabolism of T. rangeli. In this work we present the subcellular distribution of the T...
June 20, 2017: Molecular and Biochemical Parasitology
https://www.readbyqxmd.com/read/28645359/a-fragile-balance-dendritic-spines-learning-and-memory
#15
Ruth F McCann, David A Ross
No abstract text is available yet for this article.
July 15, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28645307/aberrant-intestinal-microbiota-due-to-il-1-receptor-antagonist-deficiency-promotes-il-17-and-tlr4-dependent-arthritis
#16
Rebecca Rogier, Thomas H A Ederveen, Jos Boekhorst, Harm Wopereis, Jose U Scher, Julia Manasson, Sanne J C M Frambach, Jan Knol, Johan Garssen, Peter M van der Kraan, Marije I Koenders, Wim B van den Berg, Sacha A F T van Hijum, Shahla Abdollahi-Roodsaz
BACKGROUND: Perturbation of commensal intestinal microbiota has been associated with several autoimmune diseases. Mice deficient in interleukin-1 receptor antagonist (Il1rn (-/-) mice) spontaneously develop autoimmune arthritis and are susceptible to other autoimmune diseases such as psoriasis, diabetes, and encephalomyelitis; however, the mechanisms of increased susceptibility to these autoimmune phenotypes are poorly understood. We investigated the role of interleukin-1 receptor antagonist (IL-1Ra) in regulation of commensal intestinal microbiota, and assessed the involvement of microbiota subsets and innate and adaptive mucosal immune responses that underlie the development of spontaneous arthritis in Il1rn (-/-) mice...
June 23, 2017: Microbiome
https://www.readbyqxmd.com/read/28645296/myd88-dependent-pro-interleukin-1%C3%AE-induction-in-dendritic-cells-exposed-to-food-grade-synthetic-amorphous-silica
#17
Hans Christian Winkler, Julian Kornprobst, Peter Wick, Lea Maria von Moos, Ioannis Trantakis, Elisabeth Maria Schraner, Barbara Bathke, Hubertus Hochrein, Mark Suter, Hanspeter Naegeli
BACKGROUND: Dendritic cells (DCs) are specialized first-line sensors of foreign materials invading the organism. These sentinel cells rely on pattern recognition receptors such as Nod-like or Toll-like receptors (TLRs) to launch immune reactions against pathogens, but also to mediate tolerance to self-antigens and, in the intestinal milieu, to nutrients and commensals. Since inappropriate DC activation contributes to inflammatory diseases and immunopathologies, a key question in the evaluation of orally ingested nanomaterials is whether their contact with DCs in the intestinal mucosa disrupts this delicate homeostatic balance between pathogen defense and tolerance...
June 23, 2017: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/28645231/evolution-of-hormone-signaling-networks-in-plant-defense
#18
Matthias L Berens, Hannah M Berry, Akira Mine, Cristiana T Argueso, Kenichi Tsuda
Studies with model plants such as Arabidopsis thaliana have revealed that phytohormones are central regulators of plant defense. The intricate network of phytohormone signaling pathways enables plants to activate appropriate and effective defense responses against pathogens as well as to balance defense and growth. The timing of the evolution of most phytohormone signaling pathways seems to coincide with the colonization of land, a likely requirement for plant adaptations to the more variable terrestrial environments, which included the presence of pathogens...
June 23, 2017: Annual Review of Phytopathology
https://www.readbyqxmd.com/read/28645100/interferential-effect-of-the-over-erupted-third-molar-on-chewing-movement
#19
Shaoxiong Guo, Baoyong Li, Kun Qi, Mian Zhang, Han Zhang, Donghui Guo, Xiaodong Liu, Meiqing Wang
OBJECTIVE: To clarify whether over-eruption of the mandibular third molar can disturb chewing movement. METHODS: Eighteen patients with a unilateral mandibular over-erupted third molar confirmed by both study cast observation and T-scan occlusal detection were selected from a sample of patients with complaints of temporomandibular disorder (TMD) symptoms. A unilateral gum-chewing trace was recorded separately for left and right side chewing by an electrognathography system...
June 15, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28645066/hydrothermal-co-carbonization-of-sewage-sludge-and-pinewood-sawdust-for-nutrient-rich-hydrochar-production-synergistic-effects-and-products-characterization
#20
Xiaojuan Zhang, Lei Zhang, Aimin Li
The aim of this study is to explore the synergistic effects of hydrothermal co-carbonization of sewage sludge and pinewood sawdust on hydrochar production. Firstly, the effects of mixing ratios on hydrothermal carbonization were investigated, and then, the hydrochar was characterized by diverse analytical techniques. The mass balance results indicated that a significant synergistic enhancement occurred in terms of the increased hydrochar yield, organic and carbon retentions. By combining sewage sludge and pinewood sawdust at the mass ratio of 1:1, 58...
June 20, 2017: Journal of Environmental Management
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