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https://www.readbyqxmd.com/read/29454285/pou5f1b-promotes-hepatocellular-carcinoma-proliferation-by-activating-akt
#1
Yaozhen Pan, Lei Zhan, Ling Chen, Hong Zhang, Chengyi Sun, Chungen Xing
Hepatocellular carcinoma (HCC) is one of the most common tumors, so far, there still aren't good therapeutic methods. Looking for new targets makes a top priority. In this study, we found a OCT4 pseudogene, POU5F1B was significantly upregulated in HCC cells and tissues, patients with high POU5F1B had shorter survival time compared to patients with low POU5F1B expression. POU5F1B overexpression promoted HCC proliferation, while its knockdown inhibited HCC proliferation determined by MTT assay, soft agar growth assay, BrdU incorporation assay, and cell cycle assay...
February 14, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29454051/retrospective-observational-study-of-the-use-of-artemether-lumefantrine-in-the-treatment-of-malaria-in-japan
#2
Fukumi Nakamura-Uchiyama, Yuichi Katanami, Tadashi Kikuchi, Saho Takaya, Satoshi Kutsuna, Taiichiro Kobayashi, Yasutaka Mizuno, Tetsuo Hasegawa, Michiko Koga, Yukihiro Yoshimura, Chihiro Hasegawa, Yasuyuki Kato, Mikio Kimura, Haruhiko Maruyama
BACKGROUND: The Research Group on Chemotherapy of Tropical Diseases, Japan, introduced artemether-lumefantrine (AL) in late 2002, mainly for treating uncomplicated Plasmodium falciparum malaria. Because AL was on the market in Japan in March 2017, the effectiveness and safety of AL were analyzed to help medical personnel use AL optimally. METHODS: Case report forms submitted by the attending physicians were analyzed. When necessary, direct contact with the attending physicians was made to obtain detailed information...
February 14, 2018: Travel Medicine and Infectious Disease
https://www.readbyqxmd.com/read/29453908/effective-anti-adhesives-of-uropathogenic-escherichia-coli
#3
Rosana Ribić, Tomislav Meštrović, Marijana Neuberg, Goran Kozina
Urinary tract infections (UTIs) caused by uropathogenic Escherichia coli (UPEC) are among the most common infectious diseases in humans. Due to their frequent occurrence in the community and nosocomial settings, as well as the development of resistance to the commonly prescribed antimicrobial agents, an enormous financial burden is placed on healthcare systems around the world. Therefore, novel approaches to the prevention and treatment of UTIs are needed. Although UPEC may harbour a plethora of virulence factors, type I fimbriae and P pili are two of the most studied adhesive organelles, since the attachment to host cells in the urinary tract is a crucial step towards infection...
March 1, 2018: Acta Pharmaceutica
https://www.readbyqxmd.com/read/29453751/effects-of-ewe-s-milk-yogurt-whole-and-semi-skimmed-and-cow-s-milk-yogurt-on-inflammation-markers-and-gut-microbiota-of-subjects-with-borderline-high-plasma-cholesterol-levels-a-crossover-study
#4
Noemí Redondo, Natalia García-González, Ligia E Diaz-Prieto, Begoña Olmedilla-Alonso, Ana B Martín-Diana, Carmen Asensio-Vegas, Esther Nova
PURPOSE: Ewe's milk yogurt is richer in proteins, minerals and short- and medium-chain fatty acids compared to cow's milk yogurt. We aimed to evaluate the effects of cow's milk yogurt (CW, 3.0% fat), semi-skimmed (ES, 2.8% fat) and whole ewe's milk yogurts (EW, 5.8% fat) on inflammatory markers and gut microbiota in subjects with borderline-high plasma cholesterol. METHODOLOGY: 30 adults (16 women) were randomized into a crossover study to consume 250 g/yogurt/day during three 5-week periods (4-week washouts)...
February 16, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29453528/longitudinal-analysis-of-racial-ethnic-trends-in-quality-outcomes-in-community-health-centers-2009-2014
#5
Megan B Cole, Brad Wright, Ira B Wilson, Omar Galárraga, Amal N Trivedi
BACKGROUND: To monitor progress towards eliminating health disparities, community health centers have reported on hypertension control, diabetes control, and birthweight by race and ethnicity since 2008. OBJECTIVE: To evaluate racial/ethnic time trends in quality outcomes in health centers and to assess both within- and between-center disparities in outcomes. DESIGN AND SAMPLE: Using 2009-2014 data from all US health centers (n = 1047 centers, serving 19...
February 16, 2018: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/29453402/a-soft-lithographic-approach-to-fabricate-inas-nanowire-field-effect-transistors
#6
Sang Hwa Lee, Sung-Ho Shin, Morten Madsen, Kuniharu Takei, Junghyo Nah, Min Hyung Lee
The epitaxial layer transfer process was previously introduced to integrate high-quality and ultrathin III-V compound semiconductor layers on any substrate. However, this technique has limitation for fabrication of sub-micron nanoribbons due to the diffraction limit of photolithography. In order to overcome this limitation and scale down its width to sub-50 nm, we need either a costly short wavelength lithography system or a non-optical patterning method. In this work, high-quality III-V compound semiconductor nanowires were fabricated and integrated onto a Si/SiO 2 substrate by a soft-lithography top-down approach and an epitaxial layer transfer process, using MBE-grown ultrathin InAs as a source wafer...
February 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29453371/plasmonic-spherical-heterodimers-reversal-of-optical-binding-force-based-on-the-forced-breaking-of-symmetry
#7
M R C Mahdy, Md Danesh, Tianhang Zhang, Weiqiang Ding, Hamim Mahmud Rivy, Ariful Bari Chowdhury, M Q Mehmood
The stimulating connection between the reversal of near-field plasmonic binding force and the role of symmetry-breaking has not been investigated comprehensively in the literature. In this work, the symmetry of spherical plasmonic heterodimer-setup is broken forcefully by shining the light from a specific side of the set-up instead of impinging it from the top. We demonstrate that for the forced symmetry-broken spherical heterodimer-configurations: reversal of lateral and longitudinal near-field binding force follow completely distinct mechanisms...
February 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29453264/bacterial-community-shift-and-coexisting-coexcluding-patterns-revealed-by-network-analysis-in-a-bioreduced-uranium-contaminated-site-after-reoxidation
#8
Bing Li, Wei-Min Wu, David B Watson, Erick Cardenas, Yuanqing Chao, D H Phillips, Tonia Mehlhorn, Kenneth Lowe, Shelly D Kelly, Pengsong Li, Huchun Tao, James M Tiedje, Craig S Criddle, Tong Zhang
A site in Oak Ridge, Tennessee, USA, has sediments that contain >3% iron oxides and is contaminated with uranium (U). The U(VI) was bioreduced to U(IV) and immobilized in situ through intermittent injections of ethanol. Then it was allowed to reoxidize via the invasion of low-pH (3.6-4.0), high-nitrate (up to 200 mM) groundwater back into the reduced zone for 1,383 days. To examine the biogeochemical response, high-throughput sequencing and network analysis were applied to characterize bacterial population shifts, as well as co-occurrence and co-exclusion patterns among microbial communities...
February 16, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29453186/high-intake-rates-of-microplastics-in-a-western-atlantic-predatory-fish-and-insights-of-a-direct-fishery-effect
#9
Guilherme V B Ferreira, Mário Barletta, André R A Lima, Simon A Morley, Anne K S Justino, Monica F Costa
Microplastic contamination was investigated in the gut contents of an economically important estuarine top predator, Cynoscion acoupa, according to spatiotemporal and ontogenetic use of a tropical estuary. Microplastic contamination was found in more than half of the analysed fish. Ingested microplastics were classified by type, colour and length with most of the particles consisting of filaments (<5 mm). Longer filaments were more frequently ingested in the upper estuary and smaller filaments in the lower estuary, as a result of differences in hydrodynamic forces and proximity to the probable input sources...
February 13, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29453180/study-of-the-spatial-and-temporal-distribution-of-accumulated-solids-in-an-experimental-vertical-flow-constructed-wetland-system
#10
Mengyao Yang, Mingzhi Lu, Lianxi Sheng, Haitao Wu
Clogging is the most serious problem in the operation of subsurface flow constructed wetlands (SSF CWs) and is caused by the accumulation of solids in substrates. Study of the solids accumulation process can provide a more accurate reference for the management and maintenance of SSF CWs. In this study, an experimental vertical-flow constructed wetland system was recreated in the lab, and substrates with different depth were sampled through different operation time to reveal the spatial and temporal distribution of accumulated solids...
February 13, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29452715/cyanobacteria-inhabiting-biological-soil-crusts-of-a-polar-desert-s%C3%A3-r-rondane-mountains-antarctica
#11
Ekaterina Pushkareva, Igor S Pessi, Zorigto Namsaraev, Marie-Jose Mano, Josef Elster, Annick Wilmotte
Molecular and morphological methods were applied to study cyanobacterial community composition in biological soil crusts (BSCs) from four areas (two nunataks and two ridges) in the Sør Rondane Mountains, Antarctica. The sampling sites serve as control areas for open top chambers (OTCs) that were put in place in 2010 at the time of sample collection and will be compared with BSC samples taken from the OTCs in the future. Cyanobacterial cell biovolume was estimated using epifluorescence microscopy, which revealed the dominance of filamentous cyanobacteria in all studied sites except the Utsteinen ridge, where unicellular cyanobacteria were the most abundant...
February 7, 2018: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/29452562/deciphering-the-sunshine-act-transparency-regulation-and-financial-conflicts-in-health-care
#12
Richard S Saver
The Physician Payments Sunshine Act ("Sunshine Act"), enacted to address financial conflicts in health care, is the first comprehensive federal legislation mandating public reporting of payments between drug companies, device manufacturers, and medicine. This article analyzes the Sunshine Act's uneven record, exploring how the law serves as an intriguing example of the uncertain case for transparency regulation in health care. The Sunshine Act's bumpy rollout demonstrates that commanding transparency through legislation can be arduous because of considerable implementation challenges...
November 2017: American Journal of Law & Medicine
https://www.readbyqxmd.com/read/29452560/health-care-efficiencies-consolidation-and-alternative-models-vs-health-care-and-antitrust-regulation-irreconcilable-differences
#13
Michael W King
Despite the U.S. substantially outspending peer high income nations with almost 18% of GDP dedicated to health care, on any number of statistical measurements from life expectancy to birth rates to chronic disease, 1 the U.S. achieves inferior health outcomes. In short, Americans receive a very disappointing return on investment on their health care dollars, causing economic and social strain. 2 Accordingly, the debates rage on: what is the top driver of health care spending? Among the culprits: poor communication and coordination among disparate providers, paperwork required by payors and regulations, well-intentioned physicians overprescribing treatments, drugs and devices, outright fraud and abuse, and medical malpractice litigation...
November 2017: American Journal of Law & Medicine
https://www.readbyqxmd.com/read/29452238/human-adipose-tissue-derived-stromal-cells-in-combination-with-exogenous-stimuli-facilitate-three-dimensional-network-formation-of-human-endothelial-cells-derived-from-various-sources
#14
Dominique Manikowski, Birgit Andrée, Esther Samper, Clémence Saint-Marc, Ruth Olmer, Peter Vogt, Sarah Strauß, Axel Haverich, Andres Hilfiker
In natural tissues, the nutrition of cells and removal of waste products is facilitated by a dense capillary network which is generated during development. This perfusion system is also indispensable for tissue formation in vitro. Nutrition depending solely on diffusion is not sufficient to generate tissues of clinically relevant dimensions, which is a core aim in tissue engineering research. In this study, the establishment of a vascular network was investigated in a self-assembling approach employing endothelial and mural cells...
February 13, 2018: Vascular Pharmacology
https://www.readbyqxmd.com/read/29452217/gene-expression-screening-identifies-cdca5-as-a-potential-therapeutic-target-in-acral-melanoma
#15
Tianxiao Xu, Meng Ma, Jie Dai, Sifan Yu, Xiaowen Wu, Huan Tang, Jiayi Yu, Junya Yan, Huan Yu, Zhihong Chi, Lu Si, Xinan Sheng, Chuanliang Cui, Yan Kong, Jun Guo
Acral melanoma (AM) is a rapidly progressing subtype of melanoma with poor prognosis. The complete array of molecular changes that occur during AM metastasis remains unclear. In this study, we compared the gene expression profiles of six primary and 12 lymph node metastatic AM samples by tissue microarray analysis. We found that the expression levels of 396 genes were increased, and that of 766 genes were decreased in the metastatic tissues compared with that in the primary tumors. The top 19 genes upregulated in the metastatic tissue specimens were selected for high-content short interfering (si)RNA screening...
February 13, 2018: Human Pathology
https://www.readbyqxmd.com/read/29452125/the-creative-brain-in-the-figural-domain-distinct-patterns-of-eeg-alpha-power-during-idea-generation-and-idea-elaboration
#16
Christian Rominger, Ilona Papousek, Corinna M Perchtold, Bernhard Weber, Elisabeth M Weiss, Andreas Fink
This study investigated EEG activity in the upper alpha band during the well-known Picture Completion Task of the Torrance Test of Creative Thinking (TTCT), a widely used creative ideation task in the figural domain. The application of a sophisticated computerized version of the TTCT facilitating the online assessment and digitalizing of participant's drawings allowed to separate two central stages of the creative ideation process (i.e., idea generation and idea elaboration). During idea generation, the participants' task was to generate an initial draft of an original and creative completion of the presented abstract lines and figures of the TTCT...
February 13, 2018: Neuropsychologia
https://www.readbyqxmd.com/read/29451952/one-step-synthesis-of-hybrid-core-shell-metal-organic-frameworks
#17
Xinyu Yang, Shuai Yuan, Lanfang Zou, Hannah Drake, Yingmu Zhang, Junsheng Qin, Ali Alsalme, Hongcai Zhou
Epitaxial growth of MOF-on-MOF composite is an evolving research topic. In current methods, the core-shell MOFs are synthesized via a stepwise strategy which involves growing the shell-MOFs on top of the preformed core-MOFs with matched lattice parameters. However, the inconvenient stepwise synthesis and the strict lattice-matching requirement have limited the development of core-shell MOFs. Herein, we demonstrate that hybrid core-shell MOFs with mismatching lattices can be synthesized under the guidance of nucleation kinetics...
February 16, 2018: Angewandte Chemie
https://www.readbyqxmd.com/read/29451910/the-fruit-and-vegetable-import-pathway-for-potential-invasive-pest-arrivals
#18
Erik Lichtenberg, Lars J Olson
The expansion of international trade in commodities increases the risk of alien species invasions. Invaders are difficult to detect on introduction, so prevention remains the preferred strategy for managing the threat of invasions. Propagule pressure has been shown to be a good predictor of invasion risk. Most studies to date, however, link potential invasive species arrivals with indirect measures of propagule pressure such as aggregate trade volumes. This paper estimates propagule pressure using data that measure actual arrivals...
2018: PloS One
https://www.readbyqxmd.com/read/29451659/environmental-factors-can-influence-dengue-reported-cases
#19
Marco Antonio F Carneiro, Beatriz da C A Alves, Flávia de Sousa Gehrke, José Nuno Domingues, Nelson Sá, Susana Paixão, João Figueiredo, Ana Ferreira, Cleonice Almeida, Amaury Machi, Eriane Savóia, Vânia Nascimento, Fernando Fonseca
INTRODUCTION: Global climate changes directly affect the natural environment and contribute to an increase in the transmission of diseases by vectors. Among these diseases, dengue is at the top of the list. The aim of our study was to understand the consequences of temporal variability of air temperature in the occurrence of dengue in an area comprising seven municipalities of the Greater São Paulo. METHOD: Characterization of a temporal trend of the disease in the region between 2010 and 2013 was performed through analysis of the notified number of dengue cases over this period...
November 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/29451573/wavelength-tunable-mid-infrared-thermal-emitters-with-a-non-volatile-phase-changing-material
#20
Kaikai Du, Lu Cai, Hao Luo, Yue Lu, Jingyi Tian, Yurui Qu, Pintu Ghosh, Yanbiao Lyu, Zhiyuan Cheng, Min Qiu, Qiang Li
The ability to continuously tune the emission wavelength of mid-infrared thermal emitters while maintaining high peak emissivity remains a challenge. By incorporating the nonvolatile phase changing material Ge 2 Sb 2 Te 5 (GST), two different kinds of wavelength-tunable mid-infrared thermal emitters based on simple layered structures (GST-Al bilayer and Cr-GST-Au trilayer) are demonstrated. Aiming at high peak emissivity at a tunable wavelength, an Al film and an ultrathin (∼5 nm) top Cr film are adopted for these two structures, respectively...
February 16, 2018: Nanoscale
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