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https://www.readbyqxmd.com/read/28813844/soft-stop-knee-brace-for-rehabilitation-from-ligament-injuries-design-and-pilot-trial
#1
James R J Greenfield, Haram Francis Hwang, Claire Davies, Andrew J McDaid
Ligaments within the human knee are commonly torn or injured as a result of sports that involve sharp direction changes, pivoting and landing. For this reason, athletes are often side-lined from their respective sports for up to 18 months after injury to rehabilitate. As part of the rehabilitation process, knee braces are often prescribed in an attempt to decrease the recovery period of the injured individual by restraining and minimizing the motion at the knee. However, the true efficacy of knee bracing is yet to be fully evaluated as studies show mixed results to whether braces actually decrease the rehabilitation period for patients...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28811280/dan-nbl1-promotes-collective-neural-crest-migration-by-restraining-uncontrolled-invasion
#2
Rebecca McLennan, Caleb M Bailey, Linus J Schumacher, Jessica M Teddy, Jason A Morrison, Jennifer C Kasemeier-Kulesa, Lauren A Wolfe, Madeline M Gogol, Ruth E Baker, Philip K Maini, Paul M Kulesa
Neural crest cells are both highly migratory and significant to vertebrate organogenesis. However, the signals that regulate neural crest cell migration remain unclear. In this study, we test the function of differential screening-selected gene aberrant in neuroblastoma (DAN), a bone morphogenetic protein (BMP) antagonist we detected by analysis of the chick cranial mesoderm. Our analysis shows that, before neural crest cell exit from the hindbrain, DAN is expressed in the mesoderm, and then it becomes absent along cell migratory pathways...
August 15, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/28806500/doxepin-mitigates-noise-induced-neuronal-damage-in-primary-auditory-cortex-of-mice-via-suppression-of-acid-sphingomyelinase-ceramide-pathway
#3
Yu-Ting Su, Xing-Xing Meng, Xi Zhang, Yi-Bin Guo, Hai-Jun Zhang, Yao-Ping Cheng, Xiao-Ping Xie, Yao-Ming Chang, Jun-Xiang Bao
Neuronal damage in primary auditory cortex (A1) underlies complex manifestations of noise exposure, prevention of which is critical for health maintenance. Acid sphingomyelinase (ASM) catalyzes generation of ceramide (Cer) which if over-activated mediates neuronal disorders in various diseases. Tricyclic antidepressants (TCAs), by restraining ASM/Cer, benefits multiple neuronal anomalies, so we aimed to elucidate the effect of TCA on noise induced hearing loss and auditory cortex derangement, unraveling mechanism involved...
August 14, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28805883/a-novel-objective-chute-score-interacts-with-monensin-to-affect-growth-of-receiving-cattle
#4
K A Bruno, E S Vanzant, A W Altman, M Kudupoje, K A Vanzant, K R McLeod
Growth in cattle may be related to animal temperament via alterations in intake or feed conversion. However, temperament is ill-defined, and different temperament measures may relate differently to production traits or interact with dietary factors in their effects. To examine relationships between diet, temperament, growth, and health, 160 crossbred steers (262 ± 22 kg) were used in a 56-d RCBD experiment with a 2 × 2 × 2 factorial treatment structure with 5 pens/treatment. Steers were pen fed a corn silage-based diet with or without monensin (41...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28805297/mesenchymal-stem-cells-deliver-exogenous-mir-21-via-exosomes-to-inhibit-nucleus-pulposus-cell-apoptosis-and-reduce-intervertebral-disc-degeneration
#5
Xiaofei Cheng, Guoying Zhang, Liang Zhang, Ying Hu, Kai Zhang, Xiaojiang Sun, Changqing Zhao, Hua Li, Yan Michael Li, Jie Zhao
Although mesenchymal stem cells (MSCs) transplantation into the IVD (intervertebral disc) may be beneficial in inhibiting apoptosis of nucleus pulposus cells (NPCs) and alleviating IVD degeneration, the underlying mechanism of this therapeutic process has not been fully explained. The purpose of this study was to explore the protective effect of MSC-derived exosomes (MSC-exosomes) on NPC apoptosis and IVD degeneration and investigate the regulatory effect of miRNAs in MSC-exosomes and associated mechanisms for NPC apoptosis...
August 14, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28804560/mechanisms-of-mir-145-regulating-invasion-and-metastasis-of-ovarian-carcinoma
#6
Ling Wang, Xiaotong Wu, Bowei Wang, Qiang Wang, Liying Han
MicroRNA-145 (miR-145) can regulate tumor cell invasion, metastasis, apoptosis, proliferation and stem cell differentiation. However, the molecular mechanisms of miR-145 used to regulate ovarian invasion and metastasis remain to be determined. In this study, Transwell cell migration and wound healing assays were used to detect the effects of miR-145 upregulation on ovarian carcinoma cell invasion and metastasis, respectively. The MUC1 expression vector, together with quantitative real-time PCR and Western blotting, was used to investigate the effects of miR-145 on E-cadherin (E-cad)-induced cell invasion and the related molecular mechanisms...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28803442/neutrophils-nets-netosis-old-or-new-factors-in-sepsis-and-septic-shock
#7
Małgorzata Lipinska-Gediga
Neutrophils are an key part of the innate immune system in the host's defences against pathogens. Circulating neutrophils are recruited at the sites of infection or sterile inflammation in response to pathogen and host-derived inflammatory mediators. In addition to phagocytosis and degranulation, neutrophils display the release of NETs in order to restrain infection. NETs are able to entrap and kill microbes, and display proinflammatory and prothrombotic properties.
2017: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/28801358/il-4-il-13-heteroreceptor-influences-th17-cell-conversion-and-sensitivity-to-regulatory-t-cell-suppression-to-restrain-experimental-allergic-encephalomyelitis
#8
Subhasis Barik, Jason S Ellis, Jason A Cascio, Mindy M Miller, Tobechukwu K Ukah, Alexis N Cattin-Roy, Habib Zaghouani
IL-4 and IL-13 have been defined as anti-inflammatory cytokines that can counter myelin-reactive T cells and modulate experimental allergic encephalomyelitis. However, it is not known whether endogenous IL-4 and IL-13 contribute to the maintenance of peripheral tolerance and whether their function is coordinated with T regulatory cells (Tregs). In this study, we used mice in which the common cytokine receptor for IL-4 and IL-13, namely the IL-4Rα/IL-13Rα1 (13R) heteroreceptor (HR), is compromised and determined whether the lack of signaling by endogenous IL-4 and IL-13 through the HR influences the function of effector Th1 and Th17 cells in a Treg-dependent fashion...
August 11, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28801261/long-wavelength-red-light-produces-hyperopia-in-juvenile-and-adolescent-tree-shrews
#9
Timothy J Gawne, Alexander H Ward, Thomas T Norton
In infant tree shrews, exposure to narrow-band long-wavelength (red) light, that stimulates long-wavelength sensitive cones almost exclusively, slows axial elongation and produces hyperopia. We asked if red light produces hyperopia in juvenile and adolescent animals, ages when plus lenses are ineffective. Animals were raised in fluorescent colony lighting (100-300 lux) until they began 13 days of red-light treatment at 11 (n=5, "infant"), 35 (n=5, "juvenile") or 95 (n=5, "adolescent") days of visual experience (DVE)...
August 8, 2017: Vision Research
https://www.readbyqxmd.com/read/28800240/an-optically-and-electrochemically-decoupled-monolithic-photoelectrochemical-cell-for-high-performance-solar-driven-water-splitting
#10
Seungtaeg Oh, Hakhyeon Song, Jihun Oh
Photoelectrochemical (PEC) cells have attracted much attention as a viable route for storing solar energy and producing value-added chemicals and fuels. However, the competition between light absorption and electrocatalysis at a restrained cocatalyst area on conventional planar-type photoelectrodes could limit their conversion efficiency. Here, we demonstrate a new monolithic photoelectrode architecture that eliminate the optical-electrochemical coupling by forming locally nanostructured cocatalysts on a photoelectrode...
August 11, 2017: Nano Letters
https://www.readbyqxmd.com/read/28799092/dissociable-learning-processes-in-comparative-psychology
#11
REVIEW
J David Smith, Barbara A Church
Comparative and cognitive psychologists interpret performance in different ways. Animal researchers invoke a dominant construct of associative learning. Human researchers acknowledge humans' capacity for explicit-declarative cognition. This article offers a way to bridge a divide that defeats productive cross-talk. We show that animals often challenge the associative-learning construct, and that it does not work to try to stretch the associative-learning construct to encompass these performances. This approach thins and impoverishes that important construct...
August 10, 2017: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/28798768/laccase-13-regulates-seed-setting-rate-by-affecting-hydrogen-peroxide-dynamics-and-mitochondrial-integrity-in-rice
#12
Yang Yu, Quan-Feng Li, Jin-Ping Zhang, Fan Zhang, Yan-Fei Zhou, Yan-Zhao Feng, Yue-Qin Chen, Yu-Chan Zhang
Seed setting rate is one of the most important components of rice grain yield. To date, only several genes regulating setting rate have been identified in plant. In this study, we showed that laccase-13 (OsLAC13), a member of laccase family genes which are known for their roles in modulating phenylpropanoid pathway and secondary lignification in cell wall, exerts a regulatory function in rice seed setting rate. OsLAC13 expressed in anthers and promotes hydrogen peroxide production both in vitro and in the filaments and anther connectives...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28797641/b2-kinin-receptors-in-the-dorsal-periaqueductal-gray-are-implicated-in-the-panicolytic-like-effect-of-opiorphin
#13
Caio César Sestile, Jhonatan Christian Maraschin, Marcel Pereira Rangel, Rosangela Getirana Santana, Hélio Zangrossi, Frederico Guilherme Graeff, Elisabeth Aparecida Audi
Reported results have shown that the pentapeptide opiorphin inhibits oligopeptidases that degrade brain neuropeptides, and has analgesic and antidepressant effects in experimental animals, without either tolerance or dependency after chronic administration. In a previous study we showed that opiorphin has a panicolytic-like effect in the dorsal periaqueductal gray (dPAG) electrical stimulation test (EST), mediated by the μ-opioid receptor (MOR). This study further analyzes the mechanism of opiorphin panicolytic action, using the EST and drug injection inside the dPAG...
August 7, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28797041/repeat-low-level-blast-exposure-increases-transient-receptor-potential-vanilloid-1-trpv1-and-endothelin-1-et-1-expression-in-the-trigeminal-ganglion
#14
Elaine D Por, Melody L Sandoval, Chiquita Thomas-Benson, Teresa A Burke, Allison Doyle Brackley, Nathaniel A Jeske, Jeffery M Cleland, Brian J Lund
Blast-associated sensory and cognitive trauma sustained by military service members is an area of extensively studied research. Recent studies in our laboratory have revealed that low-level blast exposure increased expression of transient receptor potential vanilloid 1 (TRPV1) and endothelin-1 (ET-1), proteins well characterized for their role in mediating pain transmission, in the cornea. Determining the functional consequences of these alterations in protein expression is critical to understanding blast-related sensory trauma...
2017: PloS One
https://www.readbyqxmd.com/read/28795784/retrospective-evaluation-of-unexpected-events-during-collection-of-blood-donations-performed-with-and-without-sedation-in-cats-2010-2013
#15
Kerry S Doolin, Daniel L Chan, Sophie Adamantos, Karen Humm
OBJECTIVES: Describe unexpected events (UEs) that occurred during blood donation in cats with and without sedation. DESIGN: Retrospective observational study (2010-2013). SETTING: University teaching hospital. ANIMALS: Client-owned healthy cats enrolled in a blood donation program. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: Blood collection for transfusion was performed 115 times from 32 cats...
August 10, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28793210/an-efficient-method-for-estimating-the-hydrodynamic-radius-of-disordered-protein-conformations
#16
Mads Nygaard, Birthe B Kragelund, Elena Papaleo, Kresten Lindorff-Larsen
Intrinsically disordered proteins play important roles throughout biology, yet our understanding of the relationship between their sequences, structural properties, and functions remains incomplete. The dynamic nature of these proteins, however, makes them difficult to characterize structurally. Many disordered proteins can attain both compact and expanded conformations, and the level of expansion may be regulated and important for function. Experimentally, the level of compaction and shape is often determined either by small-angle x-ray scattering experiments or pulsed-field-gradient NMR diffusion measurements, which provide ensemble-averaged estimates of the radius of gyration and hydrodynamic radius, respectively...
August 8, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28791407/long-non-coding-rna-meg3-inhibits-cell-growth-of-gliomas-by-targeting-mir-93-and-inactivating-pi3k-akt-pathway
#17
Ling Zhang, Xin Liang, Yuxiong Li
Gliomas are the most common cancers in the brain, accompanied with high morbility, occurrence, disability and mortality. Long non-coding RNAs (lncRNAs) have been proposed as promoter or inhibitor in many cancer processes. Previous findings have indicated that lncRNA-maternally expressed gene 3 (MEG3) is involved in tumorigenesis of several cancers, including glioma. However, the underlying mechanism of MEG3 in glioma remains elusive. In our study, MEG3 was found downregulated in glioma tissues compared with normal brain tissues...
August 3, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28783863/-the-educational-situation-of-young-chest-physicians-reasons-for-choosing-pneumology-as-specialization-and-assessment-of-carreer-relevant-aspects-by-gender-and-occupational-situation
#18
Lucia Christians, Regina Prenzel
Pneumology is one of the medical areas suffering a lot from young doctors shortage. However, there is an increasing number of young female academics - independent of specialty - whose successful medical career is blocked by internal and external reasons. At the 56th DGP congress (German Society for Pneumology) we did a survey on 358 participating chest physicians in order to identify the career promoting and the career restraining reasons and the relevant aspects regarding the specialty choice of pneumology...
August 2017: Pneumologie
https://www.readbyqxmd.com/read/28780348/integration-of-in-silico-approaches-to-determination-of-endocrine-disrupting-perfluorinated-chemicals-binding-potency-with-steroidogenic-acute-regulatory-protein
#19
K Kranthi Kumar, B Uma Devi, P Neeraja
A myriad of perfluorinated compounds (PFCs) have the ability to interfere with steroidogenic acute regulatory (StAR) protein. Consequently, PFCs breaches cholesterol biotransformation in mitochondria and cause fatal consequences in steroidogenesis however, these were poorly characterized. In the present study, we have evaluated toxic potencies, nuclear mediated probabilities and interaction profiles with StAR of PFCs using computational system biology tools. Toxicity endpoints revealed that PFCs contain high carcinogenicity, developmental toxicity, skin sensitization effects with low mutagenic activity...
August 2, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28778106/-treatment-of-eating-disorders-by-emotion-regulation
#20
Valerija Sipos, Ulrich Schweiger, Kamila Jauch-Chara, Eva Faßbinder
Patients with an eating disorder have difficulties perceiving emotions. They have skills deficits in the acceptance, modification and opposite action to emotion driven behavior. They use disturbed eating behavior (restrained eating, binge eating and purging), but also situational avoidance, dissociation and substance use as an instrument for emotional avoidance. This constitutes an innovative starting point for therapy.
August 4, 2017: Psychotherapie, Psychosomatik, Medizinische Psychologie
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