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https://www.readbyqxmd.com/read/27914023/reliability-and-validity-of-the-persian-translation-of-berg-balance-scale-in-parkinson-disease
#1
Arash Babaei-Ghazani, Hosein Mohammadi, Gholam Ali Shahidi, Seyed Amir Hasan Habibi, Bijan Forogh, Tannaz Ahadi, Bina Eftekharsadat
PURPOSE: Parkinson disease (PD) is one of the common causes of imbalance, and the balance assessment is necessary for treatment and rehabilitation of these patients. The Berg Balance Scale (BBS) has been the main instrument used to evaluate balance impairment. The purpose of this study is to investigate reliability and validity of the Persian translation of BBS in Parkinson disease. METHODS: One hundred PD patients (with mean age of 56.8 ± 15.13 years) were included...
December 2, 2016: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/27913563/-you-can-t-be-a-person-and-a-doctor-the-work-life-balance-of-doctors-in-training-a-qualitative-study
#2
Antonia Rich, Rowena Viney, Sarah Needleman, Ann Griffin, Katherine Woolf
OBJECTIVES: Investigate the work-life balance of doctors in training in the UK from the perspectives of trainers and trainees. DESIGN: Qualitative semistructured focus groups and interviews with trainees and trainers. SETTING: Postgraduate medical training in London, Yorkshire and Humber, Kent, Surrey and Sussex, and Wales during the junior doctor contract dispute at the end of 2015. Part of a larger General Medical Council study about the fairness of postgraduate medical training...
December 2, 2016: BMJ Open
https://www.readbyqxmd.com/read/27913120/gene-delivery-nanoparticles-to-modulate-angiogenesis
#3
REVIEW
Jayoung Kim, Adam C Mirando, Aleksander S Popel, Jordan J Green
Angiogenesis is naturally balanced by many pro- and anti-angiogenic factors while an imbalance of these factors leads to aberrant angiogenesis, which is closely associated with many diseases. Gene therapy has become a promising strategy for the treatment of such a disordered state through the introduction of exogenous nucleic acids that express or silence the target agents, thereby engineering neovascularization in both directions. Numerous non-viral gene delivery nanoparticles have been investigated towards this goal, but their clinical translation has been hampered by issues associated with safety, delivery efficiency, and therapeutic effect...
November 29, 2016: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/27911555/electromagnetic-signatures-of-the-chiral-anomaly-in-weyl-semimetals
#4
Edwin Barnes, J J Heremans, Djordje Minic
Weyl semimetals are predicted to realize the three-dimensional axial anomaly first discussed in particle physics. The anomaly leads to unusual transport phenomena such as the chiral magnetic effect in which an applied magnetic field induces a current parallel to the field. Here we investigate diagnostics of the axial anomaly based on the fundamental equations of axion electrodynamics. We find that materials with Weyl nodes of opposite chirality and finite energy separation immersed in a uniform magnetic field exhibit an anomaly-induced oscillatory magnetic field with a period set by the chemical potential difference of the nodes...
November 18, 2016: Physical Review Letters
https://www.readbyqxmd.com/read/27910957/mir-27a-attenuates-adipogenesis-and-promotes-osteogenesis-in-steroid-induced-rat-bmscs-by-targeting-ppar%C3%AE-and-grem1
#5
Chenxi Gu, Yan Xu, Shanfeng Zhang, Hongya Guan, Shi Song, Xiuli Wang, Yisheng Wang, Yuebai Li, Guoqiang Zhao
The imbalance between adipogenic and osteogenic differentiation in bone marrow mesenchymal stem cells (BMSCs) plays a significant role in the pathogenesis of steroid-induced osteonecrosis of the femoral head (ONFH). Several microRNAs (miRNAs) are involved in regulating adipogenesis and osteogenesis. In this study, we established a steroid-induced ONFH rat model to identify the potential relevant miRNAs. We identified 9 up-regulated and 28 down-regulated miRNAs in the ONFH rat model. Of these, miR-27a was down-regulated and negatively correlated with peroxisome proliferator-activated receptor gamma (PPARγ) and gremlin 1 (GREM1) expression...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910619/a-compact-five-port-waveguide-structure-and-its-application-as-a-three-way-power-divider
#6
Letian Guo, Jiawei Li, Tao Ba, Wenhua Huang, Hao Shao
A compact five-port waveguide structure consisting of three rectangular ports, one coaxial port, and one circular waveguide port is proposed. The three rectangular waveguides are uniformly distributed in space at angles of 120°, and the coaxial and circular waveguides are located at the top and bottom, respectively, of the rectangular waveguides. The ideal scattering matrix is derived from the symmetry properties of the structure. If the circular and coaxial ports are matched, then the entire five-port waveguide structure is automatically matched...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910021/quantitative-fluorescence-in-situ-hybridization-qfish
#7
Ivan Y Iourov
Fluorescence in situ hybridization (FISH) has a wide spectrum of applications in current molecular cytogenetic and cancer research. This is a unique technique that can be used for chromosomal DNA analysis in all cell types, at all stages of the cell cycle, and at molecular resolution. Recent developments in microscopy and imaging systems have allowed quantification of digital FISH images (quantitative FISH or QFISH) and have provided a new way for molecular cytogenetic analysis at single-cell level. QFISH can be applied for studying chromosome imbalances in interphase nuclei or metaphase spreads, measuring relative DNA content at chromosomal loci and identifying parental origin of homologous chromosomes...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27909248/regulation-of-chemokine-receptor-ccr2-recycling-by-filamin-a-phosphorylation
#8
Mònica Pons, Ismael Izquierdo, Mireia Andreu-Carbó, Georgina Garrido, Jesús Planagumà, Olivia Muriel, M Isabel Geli, Anna M Aragay
Proper endosomal trafficking of ligand-activated G protein-coupled receptors (GPCRs) is essential to spatiotemporally tune their physiological responses. For the monocyte chemoattractant receptor 2 (CCR2B), endocytic recycling is important to sustain monocyte migration; while filamin A (FLNa) is essential for CCL2-induced monocyte migration. Here, we analyze the role of FLNa in the trafficking of CCR2B along the endocytic pathway. In FLNa knockdown cells, activated CCR2B accumulated in enlarged EEA-1-positive endosomes, which exhibited slow movement and fast fluorescence recovery, suggesting an imbalance between receptor entry and exit rates...
December 1, 2016: Journal of Cell Science
https://www.readbyqxmd.com/read/27908553/olive-polyphenol-effects-in-a-mouse-model-of-chronic-ethanol-addiction
#9
Valentina Carito, Mauro Ceccanti, Vincenzo Cestari, Fausta Natella, Cristiano Bello, Roberto Coccurello, Rosanna Mancinelli, Marco Fiore
OBJECTIVES: Alcohol addiction elicits oxidative imbalance and it is well known that polyphenols possess antioxidant properties. We investigated whether or not polyphenols could confer a protective potential against alcohol-induced oxidative stress. METHODS: We administered (per os) for two months 20 mg/kg of olive polyphenols containing mostly hydroxytyrosol in alcoholic adult male mice. Hydroxytyrosol metabolites as hydroxytyrosol sulfate 1 and hydroxytyrosol sulfate 2 were found in the serum of mice administered with polyphenols with the highest amount in animals treated with both polyphenols and alcohol...
January 2017: Nutrition
https://www.readbyqxmd.com/read/27908199/hemoglobin-extravasation-in-the-brain-of-rats-exchange-transfused-with-hemoglobin-based-oxygen-carriers
#10
Laura Terraneo, Paola Bianciardi, Ashok Malavalli, Gnel Mkrtchyan, Stephanie N Spann, Jeff Lohman, Michele Samaja, Kim D Vandegriff
Haemoglobin (Hb)-based oxygen carriers are under consideration as oxygen therapeutics. Their effect on apoptosis is critical, because the onset of pro-apoptotic pathways may lead to tissue damage. MP4OX, a polyethylene glycol-conjugated human Hb preserves the baseline level of neuron apoptosis with respect to sham. Here we develop a method for measuring Hb extravasation in brain. We exchange transfused rats by haemorrhaging 50% of their blood with simultaneous, isovolemic replacement with Hextend (negative control), MP4OX, or αα-cross-linked Hb...
December 1, 2016: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/27906866/inherited-and-acquired-disorders-of-magnesium-homeostasis
#11
Matthias Tilmann Florian Wolf
PURPOSE OF REVIEW: Magnesium (Mg) imbalances are frequently overlooked. Hypermagnesemia usually occurs in preeclamptic women after Mg therapy or in end-stage renal disease patients, whereas hypomagnesemia is more common with a prevalence of up to 15% in the general population. Increasing evidence points toward a role for mild-to-moderate chronic hypomagnesemia in the pathogenesis of hypertension, type 2 diabetes mellitus, and metabolic syndrome. RECENT FINDINGS: The kidneys are the major regulator of total body Mg homeostasis...
November 30, 2016: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/27906640/a-review-of-the-implication-of-hypoxanthine-excess-in-the-physiopathology-of-lesch-nyhan-disease
#12
R J Torres, C Prior, M G Garcia, J G Puig
Lesch-Nyhan disease is caused by HGprt deficiency, however, the mechanism by which enzyme deficiency leads to the severe neurological manifestations is still unknown. We hypothesized that hypoxanthine excess leads, directly or indirectly, through its action in adenosine transport, to aberrations in neuronal development. We found that hypoxanthine diminishes adenosine transport and enhances stimulation of adenosine receptors. These effects cause an imbalance between adenosine, dopamine, and serotonin receptors in HGprt deficient cells, and cells differentiated with hypoxanthine showed an increase in dopamine, adenosine and serotonin receptors expression...
December 2016: Nucleosides, Nucleotides & Nucleic Acids
https://www.readbyqxmd.com/read/27906609/glyphosate-adversely-affects-danio-rerio-males-acetylcholinesterase-modulation-and-oxidative-stress
#13
Fernanda Moreira Lopes, Sergiane Souza Caldas, Ednei Gilberto Primel, Carlos Eduardo da Rosa
It has been demonstrated that glyphosate-based herbicides are toxic to animals. In the present study, reactive oxygen species (ROS) generation, antioxidant capacity against peroxyl radicals (ACAP), and lipid peroxidation (LPO), as well as the activity and expression of the acetylcholinesterase (AChE) enzyme, were evaluated in Danio rerio males exposed to 5 or 10 mg/L of glyphosate for 24 and 96 h. An increase in ACAP in gills after 24 h was observed in the animals exposed to 5 mg/L of glyphosate. A decrease in LPO was observed in brain tissue of animals exposed to 10 mg/L after 24 h, while an increase was observed in muscle after 96 h...
December 1, 2016: Zebrafish
https://www.readbyqxmd.com/read/27906065/dystrophin-deficient-dogs-with-reduced-myostatin-have-unequal-muscle-growth-and-greater-joint-contractures
#14
Joe N Kornegay, Daniel J Bogan, Janet R Bogan, Jennifer L Dow, Jiahui Wang, Zheng Fan, Naili Liu, Leigh C Warsing, Robert W Grange, Mihye Ahn, Cynthia J Balog-Alvarez, Steven W Cotten, Monte S Willis, Candice Brinkmeyer-Langford, Hongtu Zhu, Joe Palandra, Carl A Morris, Martin A Styner, Kathryn R Wagner
BACKGROUND: Myostatin (Mstn) is a negative regulator of muscle growth whose inhibition promotes muscle growth and regeneration. Dystrophin-deficient mdx mice in which myostatin is knocked out or inhibited postnatally have a less severe phenotype with greater total mass and strength and less fibrosis and fatty replacement of muscles than mdx mice with wild-type myostatin expression. Dogs with golden retriever muscular dystrophy (GRMD) have previously been noted to have increased muscle mass and reduced fibrosis after systemic postnatal myostatin inhibition...
April 4, 2016: Skeletal Muscle
https://www.readbyqxmd.com/read/27905961/estimating-average-alcohol-consumption-in-the-population-using-multiple-sources-the-case-of-spain
#15
Luis Sordo, Gregorio Barrio, María J Bravo, Joan R Villalbí, Albert Espelt, Montserrat Neira, Enrique Regidor
BACKGROUND: National estimates on per capita alcohol consumption are provided regularly by various sources and may have validity problems, so corrections are needed for monitoring and assessment purposes. Our objectives were to compare different alcohol availability estimates for Spain, to build the best estimate (actual consumption), characterize its time trend during 2001-2011, and quantify the extent to which other estimates (coverage) approximated actual consumption. METHODS: Estimates were: alcohol availability from the Spanish Tax Agency (Tax Agency availability), World Health Organization (WHO availability) and other international agencies, self-reported purchases from the Spanish Food Consumption Panel, and self-reported consumption from population surveys...
June 2, 2016: Population Health Metrics
https://www.readbyqxmd.com/read/27905870/transcriptomic-and-proteomic-approach-to-identify-differentially-expressed-genes-and-proteins-in-arabidopsis-thaliana-mutants-lacking-chloroplastic-1-and-cytosolic-fbpases-reveals-several-levels-of-metabolic-regulation
#16
Mauricio Soto-Suárez, Antonio J Serrato, José A Rojas-González, Rocío Bautista, Mariam Sahrawy
BACKGROUND: During the photosynthesis, two isoforms of the fructose-1,6-bisphosphatase (FBPase), the chloroplastidial (cFBP1) and the cytosolic (cyFBP), catalyse the first irreversible step during the conversion of triose phosphates (TP) to starch or sucrose, respectively. Deficiency in cyFBP and cFBP1 isoforms provokes an imbalance of the starch/sucrose ratio, causing a dramatic effect on plant development when the plastidial enzyme is lacking. RESULTS: We study the correlation between the transcriptome and proteome profile in rosettes and roots when cFBP1 or cyFBP genes are disrupted in Arabidopsis thaliana knock-out mutants...
December 1, 2016: BMC Plant Biology
https://www.readbyqxmd.com/read/27905496/broken-symmetry-quantum-hall-states-in-twisted-bilayer-graphene
#17
Youngwook Kim, Jaesung Park, Intek Song, Jong Mok Ok, Younjung Jo, Kenji Watanabe, Takashi Taniquchi, Hee Cheul Choi, Dong Su Lee, Suyong Jung, Jun Sung Kim
Twisted bilayer graphene offers a unique bilayer two-dimensional-electron system where the layer separation is only in sub-nanometer scale. Unlike Bernal-stacked bilayer, the layer degree of freedom is disentangled from spin and valley, providing eight-fold degeneracy in the low energy states. We have investigated broken-symmetry quantum Hall (QH) states and their transitions due to the interplay of the relative strength of valley, spin and layer polarizations in twisted bilayer graphene. The energy gaps of the broken-symmetry QH states show an electron-hole asymmetric behaviour, and their dependence on the induced displacement field are opposite between even and odd filling factor states...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27905384/-oxidative-stress-as-an-indicator-of-metabolic-disorders-in-the-pathogenesis-of-cerebral-stroke
#18
M A Lutsky, A M Zemskov, V V Razuvaeva, Yu P Lushnikova, O Yu Karpova
AIM: To verify the oxidative stress as an indicator of metabolic disorders in the complex pathogenesis of hemorrhagic and ischemic stroke. MATERIAL AND METHODS: The study included 50 hemorrhagic stroke patients and 50 ischemic stroke patients. A control group consisted of 20 age-matched healthy subjects. In total 12 biochemical parameters, including blood indicators, indicators of free-radical oxidation (ketodiens, diene conjugates, malonic aldehyde, bityrosin, Schiff bases) and endogenous system antioxidant defense (vitamin E, reduced glutathione, total antioxidative activity, superoxide dismutase, glutathione peroxidase, glutathione reductase, catalase) were determined...
2016: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/27905012/microbial-proteins-as-novel-industrial-biotechnology-hosts-to-treat-epilepsy
#19
REVIEW
Zareen Amtul, Amal A Aziz
Epilepsy is characterized by the hyperexcitability of various neuronal circuits that results due to the imbalance between glutamate-mediated excitation of voltage-gated cation channels and γ-amino butyric acid (GABA)-mediated inhibition of anion channels leading to aberrant, sporadic oscillations or fluctuations in neuronal electrical activity. Epilepsy with a risk of mortality and around 65 million sufferers of all ages all over the world is limited therapeutically with high rates of adverse reactions, lack of complete seizure control, and over 30% patients with refractory epilepsy...
December 1, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27904795/the-nine-test-screening-battery-normative-values-on-a-group-of-recreational-athletes
#20
Frida Flodström, Annette Heijne, Mark E Batt, Anna Frohm
BACKGROUND: A variety of risk factors predispose athletes to injury, such as impaired neuromuscular control, insufficient core stability, and muscular imbalances. The goal of assessing functional movement patterns is to detect imbalances and correct them with prevention strategies and thereby decrease injuries, and improve performance and quality of life. PURPOSE: The purpose of this study was to generate normative values for the 'Nine Test Screening Battery' (9TSB) in a group of recreational athletes...
December 2016: International Journal of Sports Physical Therapy
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