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https://www.readbyqxmd.com/read/28101247/clinical-characteristics-of-infant-neuroblastoma-and-a-summary-of-treatment-outcome
#1
Yi Zhang, Dongsheng Huang, Weiling Zhang, Suoqin Tang, Tao Han, Xia Zhu, Aiping Liu, Tian Zhi
Neuroblastoma (NB) is the most common malignant solid tumor in the peripheral nervous system in infants and young children, with a high degree of malignancy. The clinical characteristics and prognosis of NB in infants are unique. The present study retrospectively analyzed the prognosis of infant NB cases that underwent different treatments. In total, 16 infant NB cases (10 male and 6 female) who were treated between February 2007 and August 2013 in Beijing Tongren Hospital (Beijing, China), were enrolled in the study...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28101164/paeoniflorin-attenuates-hippocampal-damage-in-a-rat-model-of-vascular-dementia
#2
Ying Zhang, Li-Li Wang, Yan Wu, Ning Wang, Shang-Ming Wang, Bin Zhang, Cui-Ge Shi, Shu-Cheng Zhang
Paeoniflorn (PF), the principal bioactive component of Paeoniae radix prescribed in traditional Chinese medicine, possesses a wide range of biological effects and exhibits neuroprotective effects in numerous diseases. Previous studies have demonstrated that PF significantly attenuates memory impairment in rats with vascular dementia (VD). In the present study, a bilateral common carotid artery occlusion (BCCAO) rat model was used to explore the underlying mechanisms of PF. The expression levels of neuron-specific enolase (NSE), S100β, B-cell lymphoma 2 (Bcl-2), Bcl-2 associated X protein, cytochrome c and brain-derived neurotrophic factor (BDNF) in the hippocampus were measured by western blot analysis...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28099439/single-versus-serial-measurements-of-neuron-specific-enolase-and-prediction-of-poor-neurological-outcome-in-persistently-unconscious-patients-after-out-of-hospital-cardiac-arrest-a-ttm-trial-substudy
#3
Sebastian Wiberg, Christian Hassager, Pascal Stammet, Matilde Winther-Jensen, Jakob Hartvig Thomsen, David Erlinge, Michael Wanscher, Niklas Nielsen, Tommaso Pellis, Anders Åneman, Hans Friberg, Jan Hovdenes, Janneke Horn, Jørn Wetterslev, John Bro-Jeppesen, Matthew P Wise, Michael Kuiper, Tobias Cronberg, Yvan Gasche, Yvan Devaux, Jesper Kjaergaard
BACKGROUND: Prediction of neurological outcome is a crucial part of post cardiac arrest care and prediction in patients remaining unconscious and/or sedated after rewarming from targeted temperature management (TTM) remains difficult. Current guidelines suggest the use of serial measurements of the biomarker neuron-specific enolase (NSE) in combination with other predictors of outcome in patients admitted after out-of-hospital cardiac arrest (OHCA). This study sought to investigate the ability of NSE to predict poor outcome in patients remaining unconscious at day three after OHCA...
2017: PloS One
https://www.readbyqxmd.com/read/28095794/development-of-an-algorithm-for-phenotypic-screening-of-carbapenemase-producing-enterobacteriaceae-in-the-routine-laboratory
#4
Jérôme Robert, Alix Pantel, Audrey Merens, Elodie Meiller, Jean-Philippe Lavigne, Marie-Hélène Nicolas-Chanoine
BACKGROUND: Carbapenemase-producing Enterobacteriaceae (CPE) are difficult to identify among carbapenem non-susceptible Enterobacteriaceae (NSE). We designed phenotypic strategies giving priority to high sensitivity for screening putative CPE before further testing. METHODS: Presence of carbapenemase-encoding genes in ertapenem NSE (MIC > 0.5 mg/l) consecutively isolated in 80 French laboratories between November 2011 and April 2012 was determined by the Check-MDR-CT103 array method...
January 17, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28094396/nanostructuration-of-ionic-liquids-impact-on-the-cation-mobility-a-multi-scale-study
#5
Filippo Ferdeghini, Quentin Berrod, Jean-Marc Zanotti, Patrick Judeinstein, Victoria García Sakai, Orsolya Czakkel, Peter Fouquet, Doru Constantin
When probed at the macroscopic scale, Ionic Liquids (ILs) behave as highly dissociated (i.e. strong) electrolytes while, at the molecular scale, they show clear characteristics of weak ionic solutions. The multi-scale analysis we report in this paper reconciles these apparently at odds behaviors. We investigate by quasi-elastic neutron scattering (QENS) and neutron spin-echo (NSE), the nanometer/nanosecond dynamics of OMIM-BF4, an imidazolium-based IL showing strong nanostructuration. We also probe the same IL on the microscopic (μm and ms) scale by pulsed field gradient NMR...
January 17, 2017: Nanoscale
https://www.readbyqxmd.com/read/28088747/decreased-s100b-serum-levels-after-treatment-in-bipolar-patients-in-a-manic-phase
#6
Meng-Chang Tsai, Tiao-Lai Huang
BACKGROUND: Previous studies have suggested that patients with bipolar disorder might have brain damage. The aim of this study was to investigate the serum levels of brain injury biomarkers and S100A10 in bipolar patients in a manic phase, and evaluate the changes in S100B, neuron specific enolase (NSE), heat shock protein 70 (HSP70) and S100A10 after treatment. METHOD: We consecutively enrolled 17 bipolar inpatients in a manic phase and 30 healthy subjects. Serum brain injury biomarkers and S100A10 were measured with assay kits...
January 3, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28080059/a-computational-approach-for-modeling-neutron-scattering-data-from-lipid-bilayers
#7
Jan-Michael Y Carrillo, John Katsaras, Bobby G Sumpter, Rana Ashkar
Biological cell membranes are responsible for a range of structural and dynamical phenomena crucial to a cell's well-being and its associated functions. Due to the complexity of cell membranes, lipid bilayer systems are often used as biomimetic models. These systems have led to significant insights into vital membrane phenomena such as domain formation, passive permeation and protein insertion. Experimental observations of membrane structure and dynamics are, however, limited in resolution, both spatially and temporally...
January 12, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/28064043/conductive-hydrogel-composed-of-1-3-5-benzenetricarboxylic-acid-and-fe-3-used-as-enhanced-electrochemical-immunosensing-substrate-for-tumor-biomarker
#8
Huiqiang Wang, Hongliang Han, Zhanfang Ma
In this work, a new conductive hydrogel was prepared by a simple cross-linking coordination method using 1,3,5-benzenetricarboxylic acid as the ligand and Fe(3+) as the metal ion. The hydrogel film was formed on a glassy carbon electrode (GCE) by a drop coating method, which can dramatically facilitate the transport of electrons. A sensitive label-free electrochemical immunosensor was fabricated following electrodeposition of gold nanoparticles (AuNPs) on a hydrogel film and immobilization of an antibody. Neuron-specific enolase (NSE), a lung cancer biomarker, was used as the model analyte to be detected...
December 30, 2016: Bioelectrochemistry
https://www.readbyqxmd.com/read/28058428/incorporation-of-aspirin-modulates-the-dynamical-and-phase-behavior-of-the-phospholipid-membrane
#9
V K Sharma, E Mamontov, M Ohl, M Tyagi
Nonsteroidal anti-inflammatory drugs (NSAIDs) are one of the most widely used medications in the world for their analgesic, antipyretic, and anti-inflammatory actions, despite a well-known incidence of a wide spectrum of their adverse effects. To a great extent, beneficial action and side effects of NSAIDs are associated with the interaction of these drugs at the cell membrane level. Here, we use neutron scattering to combine elastic intensity scans, quasielastic and neutron spin echo (NSE) measurements to understand the effect of aspirin, a commonly used NSAID, on the dynamical and phase behavior of the membrane of dimyristoylphosphatidylcholine (DMPC), a prominent representative of phospholipids residing in the outer leaflet of the human erythrocyte membrane...
January 18, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28054976/an-improved-approach-for-estimating-daily-net-radiation-over-the-heihe-river-basin
#10
Bingfang Wu, Shufu Liu, Weiwei Zhu, Nana Yan, Qiang Xing, Shen Tan
Net radiation plays an essential role in determining the thermal conditions of the Earth's surface and is an important parameter for the study of land-surface processes and global climate change. In this paper, an improved satellite-based approach to estimate the daily net radiation is presented, in which sunshine duration were derived from the geostationary meteorological satellite (FY-2D) cloud classification product, the monthly empirical as and bs Angstrom coefficients for net shortwave radiation were calibrated by spatial fitting of the ground data from 1997 to 2006, and the daily net longwave radiation was calibrated with ground data from 2007 to 2010 over the Heihe River Basin in China...
January 4, 2017: Sensors
https://www.readbyqxmd.com/read/28054291/elevated-serum-glial-fibrillary-acidic-protein-gfap-is-associated-with-poor-functional-outcome-after-cardiopulmonary-resuscitation
#11
Kirsten Helwig, Florian Seeger, Hans Hölschermann, Volker Lischke, Tibo Gerriets, Marion Niessner, Christian Foerch
BACKGROUND: The neurological prognosis of patients after cardiopulmonary resuscitation (CPR) is difficult to assess. GFAP is an astrocytic intermediate filament protein released into bloodstream in case of cell death. We performed a prospective study aiming to compare the predictive potential of GFAP after resuscitation to the more widely used biomarker neuron-specific enolase (NSE). METHODS: One hundred patients were included at 48 h (tolerance interval ±12 h) after cardiac arrest...
January 4, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28053619/overexpression-of-n141i-ps2-increases-%C3%AE-secretase-activity-through-up-regulation-of-presenilin-and-pen-2-in-brain-mitochondria-of-nse-hps2m-transgenic-mice
#12
Woo Bin Yun, Jin Ju Park, Ji Eun Kim, Ji Eun Sung, Hyun Ah Lee, Jae Ho Lee, Chang Jun Bae, Dae Youn Hwang
Alzheimer's disease (AD) is known to induce alterations of mitochondrial function such as elevation of oxidative stress and activation of apopotosis. The aim of this study was to investigate the effects of human Presenilin 2 mutant (hPS2m) overexpression on the γ-secretase complex in the mitochondrial fraction. To achieve this, alterations of γ-secretase complex expression and activity were detected in the mitochondrial fraction derived from brains of NSE/hPS2m Tg mice and Non-Tg mice. Herein, the following were observed: i) overexpression of the hPS2m gene significantly up-regulated the deposition of Aβ-42 peptides in the hippocampus and cortex of brain, ii) overexpression of hPS2m protein induced alterations of γ-secretase components such as main component protein and activator protein but not stabilization-related proteins, iii) changes in γ-secretase components induced by overexpression of hPS2m protein up-regulated γ-secretase activity in the mitochondrial fraction, and iv) elevation of γ-secretase activity induced production of Aβ-42 peptides in the mitochondrial fraction...
December 2016: Laboratory Animal Research
https://www.readbyqxmd.com/read/28051268/immunoregulatory-effect-of-neuronal-like-cells-in-inducting-differentiation-of-bone-marrow-mesenchymal-stem-cells
#13
J Xu, H Lu, Z-N Miao, W-J Wu, Y -Z Jiang, F Ge, W-F Fang, A-H Zhu, G Chen, J-H Zhou, Y-Z Lu, Z-F Tang, Y Wang
OBJECTIVE: To evaluate the immune activity of bone marrow mesenchymal stem cells (BMSCs), and explore the biological characteristics and capabilities of BMSCs and the potential to be differentiated into neuronal cells in vitro. MATERIALS AND METHODS: The BMSCs were isolated and proliferated in vitro to generate the xenogeneic mixed lymphocyte reaction. Moreover, peripheral BMSCs (pBMSCs) were added according to different ratios, which methods were stated as follows: 1: Dulbecco's Modified Eagle Medium (DMEM) + 10% Fetal Bovine Serum (FBS) + 1 μmol/L all-trans-retinoic acid (ATRA) + 20 μg/L basic fibroblast growth factor (bFGF) + 20 μg/L epidermal growth factor (EGF); 2: DMEM + 2% dimethyl sulfoxide (DMSO) + 100 μmol/L butylated hydroxyanisole (BHA)...
December 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28049023/aspartame-and-the-hippocampus-revealing-a-bi-directional-dose-time-dependent-behavioural-and-morphological-shift-in-mice
#14
Adejoke Y Onaolapo, Olakunle J Onaolapo, Polycarp U Nwoha
Changes, in behaviour, oxidative markers of stress and hippocampal morphology were evaluated following aspartame administration. Mice, (20-22g each) were given vehicle (10ml/kg) or aspartame (20, 40, 80 and 160mg/kg) daily for 28days. They were tested in the Y-maze, radial-arm maze and elevated plus-maze (EPM) after the first and last dose of vehicle or aspartame; and then sacrificed. Hippocampal slices were analysed for aspartic acid, nitric oxide (NO) and superoxide dismutase (SOD); and processed for general histology and neuritic plaques...
December 31, 2016: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28043496/uric-acid-levels-in-patients-on-antituberculosis-drugs-in-the-southwest-region-of-cameroon
#15
Benjamin D Thumamo Pokam, Enoh J Eeteneneng, Aniekan Umoh, Nse O Umoh, Prisca W Guemdjom
OBJECTIVE/BACKGROUND: Antituberculosis drugs (ATDs) efficiently combat Mycobacterium tuberculosis either through direct molecular interactions or its metabolites. However, a variety of adverse effects have been reported, leading to frequent interruptions of treatment. In order to investigate possible metabolic disturbances resulting from antituberculosis treatment, the uric acid level of patients on ATDs was measured in the Southwest region of Cameroon. METHODS: This hospital-based cross-sectional study involved 96 tuberculosis patients on ATDs and 32 controls who were neither on ATDs nor any other treatment that could increase uric acid levels...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28040941/neutron-resonance-spin-echo-with-longitudinal-dc-fields
#16
Maximilian Krautloher, Jonas Kindervater, Thomas Keller, Wolfgang Häußler
We report on the design, construction, and performance of a neutron resonance spin echo (NRSE) instrument employing radio frequency (RF) spin flippers combining RF fields with DC fields, the latter oriented parallel (longitudinal) to the neutron propagation direction (longitudinal NRSE (LNRSE)). The advantage of the longitudinal configuration is the inherent homogeneity of the effective magnetic path integrals. In the center of the RF coils, the sign of the spin precession phase is inverted by a π flip of the neutron spins, such that non-uniform spin precession at the boundaries of the RF flippers is canceled...
December 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28027282/role-of-rifampin-in-reducing-inflammation-and-neuronal-damage-in-childhood-bacterial-meningitis-a-pilot-randomized-controlled-trial
#17
Lipi Uppal, Sunit Singhi, Pratibha Singhi, Ritu Aggarwal
BACKGROUND: Treatment of acute bacterial meningitis in children with bactericidal antibiotics causes cell wall lysis and a surge in inflammatory cascade, which in turn contributes to neuronal damage and morbidity. Pretreament with a non-bacteriolytic antibiotic, such as rifampin, has been shown to attenuate the inflammatory response in experimental models of bacterial meningitis. In a pilot study in children with bacterial meningitis we have studied markers of inflammatory response and neuronal damage in two groups of children with bacterial meningitis, one group received rifampin pretreatment with ceftriaxone, other group received ceftriaxone alone...
December 23, 2016: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/27998796/propofol-postconditioning-attenuates-hippocampus-ischemia-reperfusion-injury-via-modulating-jak2-stat3-pathway-in-rats-after-autogenous-orthotropic-liver-transplantation
#18
Jia Lili, Wang Fei, Gu Xiangqian, Weng Yiqi, Sheng Mingwei, Wang Gang, Li Shipeng, Du Hongyin, Yu Wenli
Liver transplantation has been a routine treatment for the end stage liver diseases. Severe changes in circulation system and internal environment may accur during transplant surgery and cause injury to many organs including brain. Specific mechanisms of brain injury associated with liver transplantation are not yet elucidated. Previous studies have shown that the JAK/STAT signal transduction pathways are involved in the development of the central nervous system, such as nerve cell proliferation, survival, differentiation, and it also have a role in the disease processes, including brain tumor, brain ischemia and other diseases of the central nervous system...
December 17, 2016: Brain Research
https://www.readbyqxmd.com/read/27997261/effect-of-exercise-intensity-on-neurotrophic-factors-and-blood-brain-barrier-permeability-induced-by-oxidative-nitrosative-stress-in-male-college-students
#19
Hee-Tae Roh, Su-Youn Cho, Hyung-Gi Yoon, Wi-Young So
We investigated the effects of aerobic exercise intensity on oxidative-nitrosative stress, neurotrophic factor expression, and blood-brain barrier (BBB) permeability. Fifteen healthy men performed treadmill running under low-intensity (LI), moderate-intensity (MI), and high-intensity (HI) conditions. Blood samples were collected immediately before exercise (IBE), immediately after exercise (IAE), and 60 minutes after exercise (60MAE) to examine oxidative-nitrosative stress (reactive oxygen species [ROS]; nitric oxide [NO]), neurotrophic factors (brain-derived neurotrophic factor [BDNF]; nerve growth factor [NGF]), and blood-brain barrier (BBB) permeability (S-100β; neuron-specific enolase)...
December 20, 2016: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/27986125/evaluation-of-circulating-tumor-cells-in-predicting-therapeutic-response-in-small-cell-lung-cancer-patients
#20
Xu Wang, Kewei Ma, Yizhuo Wang, Hua He, Ji-Fan Hu, Wei Li
BACKGROUND AND AIMS: Circulating tumor cells (CTCs) have prognostic significance in patients with metastatic cancer, but their utility in predicting the response to tumor therapy is unknown. This study examined the correlation of CTCs with the therapeutic response in small cell lung cancer (SCLC). METHODS: Clinical and pathological data from 96 SCLC patients were evaluated in this study. CellSearch kits were used to detect CTCs in peripheral blood samples. Statistical analysis was performed using Fisher exact test and Mann-Whitney U test...
August 2016: Archives of Medical Research
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