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Bang V Bui
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October 1, 2016: Investigative Ophthalmology & Visual Science
Joong Won Shin, Yong Un Shin, Ki Bang Uhm, Kyung Rim Sung, Min Ho Kang, Hee Yoon Cho, Mincheol Seong
PURPOSE: To investigate the effect of optic disc center displacement on retinal nerve fiber layer (RNFL) measurement determined by spectral domain optical coherence tomography (SD-OCT). METHODS: The optic disc center was manipulated at 1-pixel intervals in horizontal, vertical, and diagonal directions. According to the manipulated optic disc center location, the RNFL thickness data were resampled: (1) at a 3.46-mm diameter circle; and (2) between a 2.5-mm diameter circle and 5...
2016: PloS One
Mirjana Cihoric, Line Toft Tengberg, Morten Bay-Nielsen, Nicolai Bang Foss
BACKGROUND: With current literature quoting mortality rates up to 45%, emergency high-risk abdominal surgery has, compared with elective surgery, a significantly greater risk of death and major complications. The Surgical Apgar Score (SAS) is predictive of outcome in elective surgery, but has never been validated exclusively in an emergency setting. METHODS: A consecutive prospective single-center cohort study of 355 adults undergoing emergency high-risk abdominal surgery between June 2013 and May 2014 is presented...
October 24, 2016: Anesthesia and Analgesia
Eun-Sang Cho, Jin-Mu Yi, Jong-Shik Park, You Jin Lee, Chae Jun Lim, Ok-Sun Bang, No Soo Kim
BACKGROUND: Oxaliplatin can induce peripheral neuropathy (OXIPN) as an adverse side effect in cancer patients. Until now, no effective preventive or therapeutic drug has been developed; therefore, the dose-limiting factor of OXIPN is still an obstacle in the use of oxaliplatin to treat cancer patients. In the present study, we report for the first time that the aqueous extract of Lithospermi radix (WLR) can attenuate the OXIPN in both in vitro and in vivo neuropathic models. METHODS: The protective effect of WLR on OXIPN was evaluated in vitro by quantifying nerve growth factor (NGF)-stimulated neurite outgrowth in PC12 cells treated with a combination of oxaliplatin and WLR...
October 26, 2016: BMC Complementary and Alternative Medicine
Seul Ah Kim, Muhammad Awais Abbas, Lanlee Lee, Byungwuk Kang, Hahkjoon Kim, Jin Ho Bang
While zinc oxide (ZnO) with a mesoporous network has long been explored for adsorption of dyes and as an electron-transporting medium in dye-sensitized solar cells (DSSCs), the performance of ZnO-based DSSCs remains unsatisfactory. Despite the importance of understanding the surface characteristics of ZnO in DSSC applications, most of the studies relevant to ZnO-based DSSCs are focused on the synthesis of unique nanostructures of ZnO. In this study, we not only introduce a novel disk-shaped ZnO nanostructure, but also provide insight into the distinctive surface properties of ZnO and its influence on DSSC performance...
October 26, 2016: Physical Chemistry Chemical Physics: PCCP
Yoonsik Bang, Jiyoung Kim, Kiyun Yu
Wearable and smartphone technology innovations have propelled the growth of Pedestrian Navigation Services (PNS). PNS need a map-matching process to project a user's locations onto maps. Many map-matching techniques have been developed for vehicle navigation services. These techniques are inappropriate for PNS because pedestrians move, stop, and turn in different ways compared to vehicles. In addition, the base map data for pedestrians are more complicated than for vehicles. This article proposes a new map-matching method for locating Global Positioning System (GPS) trajectories of pedestrians onto road network datasets...
October 22, 2016: Sensors
Hyerim Ha, Ah-Rong Nam, Ju-Hee Bang, Ji-Eun Park, Tae-Yong Kim, Kyung-Hun Lee, Sae-Won Han, Seock-Ah Im, Tae-You Kim, Yung-Jue Bang, Do-Youn Oh
Programmed death-ligand 1 (PD-L1) expression in tumor tissue is under investigation as a candidate biomarker in immuno-oncology dug development. The soluble form of PD-L1 (sPDL1) is suggested to have immunosuppressive activity. In this study, we measured the serum level of sPDL1 and evaluated its prognostic implication in biliary tract cancer (BTC). Blood was collected from 158 advanced BTC patients (68 intrahepatic cholangiocarcinoma, 56 gallbladder cancer, 22 extrahepatic cholangiocarcinoma and 12 ampulla of vater cancer) before initiation of palliative chemotherapy...
October 21, 2016: Oncotarget
Quan Feng Liu, Haemin Jeong, Jang Ho Lee, Yoon Ki Hong, Youngje Oh, Young-Mi Kim, Yoon Seok Suh, Semin Bang, Hye Sup Yun, Kyungho Lee, Sung Man Cho, Sung Bae Lee, Songhee Jeon, Young-Won Chin, Byung-Soo Koo, Kyoung Sang Cho
Alzheimer's disease (AD), the most common neurodegenerative disease, has a complex and widespread pathology that is characterized by the accumulation of amyloid [Formula: see text]-peptide (A[Formula: see text]) in the brain and various cellular abnormalities, including increased oxidative damage, an amplified inflammatory response, and altered mitogen-activated protein kinase signaling. Based on the complex etiology of AD, traditional medicinal plants with multiple effective components are alternative treatments for patients with AD...
October 25, 2016: American Journal of Chinese Medicine
Shuo Wang, Heinz Schattler
We consider cancer chemotherapy as an optimal control problem with the aim to minimize a combination of the tumor volume and side effects over an a priori specified therapy horizon when the tumor consists of a heterogeneous agglomeration of many subpopulations. The mathematical model, which accounts for different growth and apoptosis rates in the presence of cell densities, is a finite-dimensional approximation of a model originally formulated by Lorz et al. [18,19] and Greene et al. [10,11] with a continuum of possible traits...
December 1, 2016: Mathematical Biosciences and Engineering: MBE
Wen-Long Li, Wan-Li Ma, Hongliang Jia, Wenjun Hong, Hyo-Bang Moon, Haruhiko Nakata, Nguyen Hung Minh, Ravindra Kumar Sinha, Kai Hsien Chi, Kurunthachalam Kannan, Ed Sverko, Yi-Fan Li
A total of 23 PBDE congeners were measured in soil samples collected in areas with no known point source (urban/rural/background sites, U/R/B sites) and in contaminated areas (brominated flame retardants (BFRs) related industrial and e-waste recycling sites) across five Asian countries. The highest PBDE concentrations were found in BFRs related industrial and e-waste recycling sites. The concentrations of PBDEs in U/R/B sites followed the order of: urban > rural > background sites. Total PBDE concentrations were dominated by BDE-209, while BDE-17, -85, -138, -191, -204 and -205 were the least abundant compounds...
October 24, 2016: Environmental Science & Technology
Hsin-Hua Liu, Zheng He, Christine T O Nguyen, Algis J Vingrys, Bang V Bui
PURPOSE: This pilot study considered whether intraocular pressure (IOP) lowering could reverse ganglion cell dysfunction in a rat model of chronic ocular hypertension. METHODS: A circumlimbal suture was applied in one eye to induce ocular hypertension (n = 7) in Long-Evans rats. The contralateral eye served as an untreated control. After 8 weeks of IOP elevation the suture was removed to lower IOP for the remaining 7 weeks. Electroretinogram (ERG) and optical coherence tomography (OCT) were measured at baseline, 2, 4, 8, 12 and 15 weeks...
October 24, 2016: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
Susanne S Pedersen, Kim Mathiasen, Karl Bang Christensen, Guido Makransky
OBJECTIVE: To assess the psychometric properties of the Patient Health Questionnaire (PHQ-9), a measure of depressive symptoms, in a large Danish national cohort of patients with heart disease, implanted with an implantable cardioverter defibrillator (ICD), using item response theory. METHODS: A prospective cohort of patients implanted with an ICD (n=1531; 80.4% men) completed the PHQ-9 at the time of implant. Data were analyzed using two item response theory models, the partial credit model and the generalized partial credit model...
November 2016: Journal of Psychosomatic Research
Ki Mo Kim, Deok Rim Heo, Young-A Kim, Jun Lee, No Soo Kim, Ok-Sun Bang
Coniferaldehyde (CA) exerts anti-inflammatory properties by inducing heme oxygenase-1 (HO-1). To define the regulation mechanism by which CA induces a cytoprotective function and HO-1 expression, the up-stream regulations involved in the activation of nuclear transcription factor-erythroid 2-related factor (Nrf)-2/HO-1 pathway were investigated. CA dramatically increased the Nrf-2 nuclear translocation and HO-1 expression. Lipopolysaccharide (LPS)-induced expression of inducible nitric oxide synthase (iNOS) and cyclooxygenase (COX)-2, and cell death were down-regulated by CA, which were reversed by inhibition of HO-1 activity...
October 17, 2016: Environmental Toxicology and Pharmacology
Bang-Shun He, Tao Xu, Yu-Qin Pan, Han-Jin Wang, William C Cho, Kang Lin, Hui-Ling Sun, Tian-Yi Gao, Shu-Kui Wang
Polymorphisms in nucleotide excision repair (NER) pathway genes are associated with the risk of breast cancer, but the relevance of these associations appeared to vary according to the ethnicity of the subjects. To systemically evaluate the potential associations between NER polymorphisms and breast cancer risk in a Chinese population, we carried out a case-control study on 450 breast cancer patients and 430 healthy controls. Sequenom MassARRAY was used for genotyping, and immunohistochemistry was performed to detect estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER-2) expression in tumor tissue...
October 19, 2016: Oncotarget
M Barbagallo, A Musumarra, L Cosentino, E Maugeri, S Heinitz, A Mengoni, R Dressler, D Schumann, F Käppeler, N Colonna, P Finocchiaro, M Ayranov, L Damone, N Kivel, O Aberle, S Altstadt, J Andrzejewski, L Audouin, M Bacak, J Balibrea-Correa, S Barros, V Bécares, F Bečvář, C Beinrucker, E Berthoumieux, J Billowes, D Bosnar, M Brugger, M Caamaño, M Calviani, F Calviño, D Cano-Ott, R Cardella, A Casanovas, D M Castelluccio, F Cerutti, Y H Chen, E Chiaveri, G Cortés, M A Cortés-Giraldo, S Cristallo, M Diakaki, C Domingo-Pardo, E Dupont, I Duran, B Fernandez-Dominguez, A Ferrari, P Ferreira, W Furman, S Ganesan, A García-Rios, A Gawlik, T Glodariu, K Göbel, I F Gonçalves, E González-Romero, E Griesmayer, C Guerrero, F Gunsing, H Harada, T Heftrich, J Heyse, D G Jenkins, E Jericha, T Katabuchi, P Kavrigin, A Kimura, M Kokkoris, M Krtička, E Leal-Cidoncha, J Lerendegui, C Lederer, H Leeb, S Lo Meo, S J Lonsdale, R Losito, D Macina, J Marganiec, T Martínez, C Massimi, P Mastinu, M Mastromarco, A Mazzone, E Mendoza, P M Milazzo, F Mingrone, M Mirea, S Montesano, R Nolte, A Oprea, A Pappalardo, N Patronis, A Pavlik, J Perkowski, M Piscopo, A Plompen, I Porras, J Praena, J Quesada, K Rajeev, T Rauscher, R Reifarth, A Riego-Perez, P Rout, C Rubbia, J Ryan, M Sabate-Gilarte, A Saxena, P Schillebeeckx, S Schmidt, P Sedyshev, A G Smith, A Stamatopoulos, G Tagliente, J L Tain, A Tarifeño-Saldivia, L Tassan-Got, A Tsinganis, S Valenta, G Vannini, V Variale, P Vaz, A Ventura, V Vlachoudis, R Vlastou, J Vollaire, A Wallner, S Warren, M Weigand, C Weiß, C Wolf, P J Woods, T Wright, P Žugec
The energy-dependent cross section of the ^{7}Be(n,α)^{4}He reaction, of interest for the so-called cosmological lithium problem in big bang nucleosynthesis, has been measured for the first time from 10 meV to 10 keV neutron energy. The challenges posed by the short half-life of ^{7}Be and by the low reaction cross section have been overcome at n_TOF thanks to an unprecedented combination of the extremely high luminosity and good resolution of the neutron beam in the new experimental area (EAR2) of the n_TOF facility at CERN, the availability of a sufficient amount of chemically pure ^{7}Be, and a specifically designed experimental setup...
October 7, 2016: Physical Review Letters
Dian-Qiu Lv, Shang-Wu Liu, Jian-Hua Zhao, Bang-Jun Zhou, Shao-Peng Wang, Hui-Shan Guo, Yuan-Yuan Fang
Viroids are plant-pathogenic molecules made up of single-stranded circular non-coding RNAs. How replicating viroids interfere with host silencing remains largely unknown. In this study, we investigated the effects of a nuclear-replicating Potato spindle tuber viroid (PSTVd) on interference with plant RNA silencing. Using transient induction of silencing in GFP transgenic Nicotiana benthamiana plants (line 16c), we found that PSTVd replication accelerated GFP silencing and increased Virp1 mRNA, which encodes bromodomain-containing viroid-binding protein 1 and is required for PSTVd replication...
October 21, 2016: Scientific Reports
Min-Soo Kim, Ji Hye Bang, Jun Lee, Jung-Soo Han, Tae Gon Baik, Won Kyung Jeon
BACKGROUND: Ginkgo biloba extract (GBE)-a widely used nutraceutical-is reported to have diverse functions, including positive effects on memory and vasodilatory properties. Although numerous studies have assessed the neuroprotective properties of GBE in ischemia, only a few studies have investigated the neuro-pharmacological mechanisms of action of GBE in chronic cerebral hypoperfusion (CCH). PURPOSE: In the present study, we sought to determine the effects of GBE on CCH-induced neuroinflammation and cholinergic dysfunction in a rat model of bilateral common carotid artery occlusion (BCCAo)...
November 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Lu Wang, Xiang-Yong Liang, Li-Sheng Ding, Sheng Zhang, Bang-Jing Li
A new type of chiral magnetic nano-particles was prepared via covalently linked magnetic nano-particles (Fe3O4) and heptakis (6-O-triisopropylsilyl)-β-cyclodextrin (6-TIPS-β-CD). The resulting selectors (TIPS-β-CD-MNPs) combined the high magnetic property Fe3O4 and efficient chiral recognition ability of 6-TIPS-β-CD. The enantioselectivity of TIPS-β-CD-MNPs towards 1-(1-naphthyl) ethylamine was six times higher than that of parent β-CD modified Fe3O4 particles.
October 20, 2016: Chemistry, An Asian Journal
Hai-Qiang Dai, Bang-An Wang, Lu Yang, Jia-Jia Chen, Guo-Chun Zhu, Mei-Ling Sun, Hao Ge, Rui Wang, Deborah L Chapman, Fuchou Tang, Xin Sun, Guo-Liang Xu
Mammalian genomes undergo epigenetic modifications, including cytosine methylation by DNA methyltransferases (DNMTs). Oxidation of 5-methylcytosine by the Ten-eleven translocation (TET) family of dioxygenases can lead to demethylation. Although cytosine methylation has key roles in several processes such as genomic imprinting and X-chromosome inactivation, the functional significance of cytosine methylation and demethylation in mouse embryogenesis remains to be fully determined. Here we show that inactivation of all three Tet genes in mice leads to gastrulation phenotypes, including primitive streak patterning defects in association with impaired maturation of axial mesoderm and failed specification of paraxial mesoderm, mimicking phenotypes in embryos with gain-of-function Nodal signalling...
October 19, 2016: Nature
Wang Nai Dong, Li Jing Jun, Wang Ai Bing, Zhu Zhe, Chang Yan, Mao Yu, Zan Yang, Wang Zan Feng, Deng Zhi Bang
In order to investigate whether PCV2b can be transmitted across the placenta in sows thereby causing vertical infection of fetuses, six sows in 75 day of pregnancy were either intramuscularly inoculated with a PCV2b culture supernatant (n = 4) or mock infected with cell culture supernatant (n = 2). At parturition, 3 newborn piglets from each litter were randomly selected and euthanatized prior to suckling. Samples of the mesenteric lymph nodes, spleens, kidneys, hearts and lungs were collected for PCR, histopathological and immunohistochemical assays...
September 1, 2016: Polish Journal of Veterinary Sciences
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