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https://www.readbyqxmd.com/read/28211685/titanium-digermanium-theoretical-assignment-of-electronic-transitions-underlying-its-anion-photoelectron-spectrum
#1
Le Nhan Pham, Minh Tho Nguyen
Electronic structures of both the anionic and neutral triatomic species TiGe2-/0 were theoretically studied employing single-reference (DFT and RCCSD(T)) and multiconfigurational (CASSCF/CASPT2 and CASSCF/NEVPT2) methods with large basis sets. The ground state of TiGe2- (C2v) was identified to be 4B1 but the 2A1 state is nearly degenerate, whereas the 3B1 is clearly the ground state of the neutral TiGe2 (C2v). On the basis of the computed ground and excited states of both neutral and anionic structures, all electronic transitions giving rise to experimental anion photoelectron bands in the spectrum of TiGe2- can now be assigned...
February 17, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28211165/a-disease-specific-quality-of-life-instrument-for-non-alcoholic-fatty-liver-disease-and-non-alcoholic-steatohepatitis-cldq-nafld
#2
Zobair M Younossi, Maria Stepanova, Linda Henry, Andrei Racila, Brian Lam, Huong T Pham, Sharon Hunt
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH) are the most common causes of chronic liver disease with known negative impact on patients' health-related quality of life (HRQL). Our aim was to validate a disease-specific HRQL instrument useful for efficacy trials involving patients with NAFLD and NASH. METHODS: From a long item selection questionnaire, we selected relevant items which, by factor analysis, were grouped into domains constituting CLDQ-NAFLD...
February 17, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28210507/super-selective-mesenteric-embolization-provides-effective-control-of-lower-gi-bleeding
#3
Toan Pham, Bob Anh Tran, Kevin Ooi, Marcus Mykytowycz, Stephen McLaughlin, Matthew Croxford, Iain Skinner, Ian Faragher
Introduction. We aimed to assess the efficacy and safety of digital subtraction angiography (DSA) and super-selective mesenteric artery embolization (SMAE) in managing lower GI bleeding (LGIB). Method. A retrospective case series of patients with LGIB treated with SMAE in our health service. Patients with confirmed active LGIB, on either radionuclide scintigraphy (RS) or contrast-enhanced multidetector CT angiography (CE-MDCT), were referred for DSA +/- SMAE. Data collected included patient characteristics, screening modality, bleeding territory, embolization technique, technical and clinical success, short-term to medium-term complications, 30-day mortality, and progression to surgery related to procedural failure or complications...
2017: Radiology Research and Practice
https://www.readbyqxmd.com/read/28209196/personal-values-marketing-attitudes-and-nutrition-trust-are-associated-with-patronage-of-convenience-food-outlets-in-the-asia-pacific-region-a-cross-sectional-study
#4
Breanna De Jong, Anthony Worsley, Wei Chun Wang, Rani Sarmugam, Quynh Pham, Judhiastuty Februhartanty, Stacey Ridley
BACKGROUND: An online cross-sectional survey examined the relationships between the demographic characteristics, personal values, trust in sources of nutrition information and the use of convenience food outlets among middle-class household food providers in the Asia-Pacific region. METHODS: The survey was administered to 3945 household food providers in Melbourne, Singapore, Shanghai, Vietnam and Indonesia in late 2013. Information about demographics, personal values, trust in sources of nutrition information and use of convenience food outlets was elicited...
February 16, 2017: Journal of Health, Population, and Nutrition
https://www.readbyqxmd.com/read/28208716/cell-imaging-counting-as-a-novel-ex-vivo-approach-for-investigating-drug-induced-hepatotoxicity-in-zebrafish-larvae
#5
Xuan-Bac Nguyen, Stanislav Kislyuk, Duc-Hung Pham, Angela Kecskés, Jan Maes, Deirdre Cabooter, Pieter Annaert, Peter De Witte, Annelii Ny
Drug-induced liver injury (DILI) is the most common reason for failures during the drug development process and for safety-related withdrawal of drugs from the pharmaceutical market. Therefore, having tools and techniques that can detect hepatotoxic properties in drug candidates at an early discovery stage is highly desirable. In this study, cell imaging counting was used to measure in a fast, straightforward, and unbiased way the effect of paracetamol and tetracycline, (compounds known to cause hepatotoxicity in humans) on the amount of DsRed-labeled hepatocytes recovered by protease digestion from Tg(fabp10a:DsRed) transgenic zebrafish...
February 8, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28208156/oncogenic-role-of-pdk4-in-human-colon-cancer-cells
#6
D Leclerc, D N T Pham, N Lévesque, M Truongcao, W D Foulkes, C Sapienza, R Rozen
BACKGROUND: Cancer cells maintain high rates of glycolysis. Pyruvate dehydrogenase kinases (PDK) contribute to this phenomenon, which favours apoptosis resistance and cellular transformation. We previously reported upregulation of PDK4 in normal mucosa of colorectal cancer (CRC) patients compared with controls and in preneoplastic intestine of our mouse model. Decreased methylation of four consecutive PDK4 CpGs was observed in normal mucosa of patients. Although other members of the PDK family have been investigated for transformation potential, PDK4 has not been extensively studied...
February 16, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28207983/a-novel-flow-cytometric-application-discriminates-among-the-effects-of-chemical-inhibitors-on-various-phases-of-babesia-divergens-intraerythrocytic-cycle
#7
Jeny R Cursino-Santos, Manpreet Singh, Petra Pham, Cheryl A Lobo
Human babesiosis is a global emerging infectious disease caused by intraerythrocytic parasites of the genus Babesia. Its biology has remained largely unexplored due to a lack of critical tools and techniques required to define the various stages and phases of the parasite's cycle in its host RBC and the interplay between host and parasite. This article presents a powerful set of tools combining stage synchronization of the parasite with a platform that encompasses both a flow cytometric evaluation of the subpopulation structure of the parasite population together with a morphological assessment of the population parasites using light microscopy of conventional Giemsa stained smears...
February 16, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28206937/percutaneous-treatment-of-superficial-femoral-artery-stenosis-secondary-to-radiation-arteritis
#8
Hao D Pham, Melissa G Prather, Daniel S Rush
Radiation arteritis is a rare cause of lower extremity peripheral arterial occlusive disease, and has been traditionally treated with open interventions. There have been only a few reported cases of endovascular interventions for this disease. Previous reports described endovascular treatment in the iliac and common femoral regions, but intervention in the superficial femoral artery have not been described. Described here is a case of acute lower extremity ischemia caused by remote radiation arteritis of the superficial femoral artery, which was successfully treated by percutaneous endovascular technique...
November 1, 2016: American Surgeon
https://www.readbyqxmd.com/read/28205554/the-oncoppi-network-of-cancer-focused-protein-protein-interactions-to-inform-biological-insights-and-therapeutic-strategies
#9
Zenggang Li, Andrei A Ivanov, Rina Su, Valentina Gonzalez-Pecchi, Qi Qi, Songlin Liu, Philip Webber, Elizabeth McMillan, Lauren Rusnak, Cau Pham, Xiaoqian Chen, Xiulei Mo, Brian Revennaugh, Wei Zhou, Adam Marcus, Sahar Harati, Xiang Chen, Margaret A Johns, Michael A White, Carlos Moreno, Lee A D Cooper, Yuhong Du, Fadlo R Khuri, Haian Fu
As genomics advances reveal the cancer gene landscape, a daunting task is to understand how these genes contribute to dysregulated oncogenic pathways. Integration of cancer genes into networks offers opportunities to reveal protein-protein interactions (PPIs) with functional and therapeutic significance. Here, we report the generation of a cancer-focused PPI network, termed OncoPPi, and identification of >260 cancer-associated PPIs not in other large-scale interactomes. PPI hubs reveal new regulatory mechanisms for cancer genes like MYC, STK11, RASSF1 and CDK4...
February 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28199343/long-term-treatment-with-abatacept-or-tocilizumab-does-not-increase-epstein-barr-virus-load-in-patients-with-rheumatoid-arthritis-a-three-years-retrospective-study
#10
Nathalie Balandraud, Gaetan Texier, Emmanuel Massy, Olivier Muis-Pistor, Marielle Martin, Isabelle Auger, Marie-Caroline Guzian, Sandrine Guis, Thao Pham, Jean Roudier
BACKGROUND: Epstein-Barr Virus (EBV) is a widely disseminated lymphotropic herpes virus implicated in benign and malignant disorders. In transplant patients, immunosuppressive drugs (cyclosporine) diminish control of EBV replication, potentially leading to lymphoproliferative disorders (LPD). Rheumatoid arthritis (RA) patients have impaired control of EBV infection and have EBV load ten times higher than controls. As post transplant patients, patients with RA have increased risk of developing lymphomas...
2017: PloS One
https://www.readbyqxmd.com/read/28198716/incidence-of-cannula-associated-deep-vein-thrombosis-after-veno-venous-ecmo
#11
Jay Menaker, Ali Tabatabai, Raymond Rector, Katelyn Dolly, Joseph Kufera, Eugenia Lee, Zachary Kon, Pablo Sanchez, Si Pham, Daniel L Herr, Michael Mazzeffi, Ronald P Rabinowitz, James V OʼConnor, Deborah M Stein, Thomas M Scalea
Limited literature regarding the incidence of cannula associated deep vein thrombosis (CaDVT) following veno-venous extracorporeal membrane oxygenation (VV ECMO) exists. The purpose of this study was to identify the incidence of post decannulation CaDVT and identify any associated risk factors. Forty eight patients were admitted between August 2014 and January 2016 to the Lung Rescue Unit were included in the study. Protocolized anticoagulation levels (partial thromboplastin time 45-55 second) and routine post decannulation DVT screening were in place during the study period...
February 13, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28197679/contrast-associated-acute-kidney-injury-in-the-critically-ill-systematic-review-and-bayesian-meta-analysis
#12
Stephan Ehrmann, Andrew Quartin, Brian P Hobbs, Vincent Robert-Edan, Cynthia Cely, Cynthia Bell, Genevieve Lyons, Tai Pham, Roland Schein, Yimin Geng, Karim Lakhal, Chaan S Ng
PURPOSE: Critically ill patients, among whom acute kidney injury is common, are often considered particularly vulnerable to iodinated contrast medium nephrotoxicity. However, the attributable incidence remains uncertain given the paucity of observational studies including a control group. This study assessed acute kidney injury incidence attributable to iodinated contrast media in critically ill patients based on new data accounting for sample and effect size and including a control group...
February 14, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28197373/systemic-activation-of-antigen-presenting-cells-via-rna-loaded-nanoparticles
#13
Elias J Sayour, Gabriel De Leon, Christina Pham, Adam Grippin, Hanna Kemeny, Joshua Chua, Jianping Huang, John H Sampson, Luis Sanchez-Perez, Catherine Flores, Duane A Mitchell
While RNA-pulsed dendritic cell (DC) vaccines have shown promise, the advancement of cellular therapeutics is fraught with developmental challenges. To circumvent the challenges of cellular immunotherapeutics, we developed clinically translatable nanoliposomes that can be combined with tumor-derived RNA to generate personalized tumor RNA-nanoparticles (NPs) with considerable scale-up capacity. RNA-NPs bypass MHC restriction, are amenable to central distribution, and can provide near immediate immune induction...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28196602/novel-n-hydroxybenzamides-incorporating-2-oxoindoline-with-unexpected-potent-histone-deacetylase-inhibitory-effects-and-antitumor-cytotoxicity
#14
Tran-Thi-Lan Huong, Do-Thi-Mai Dung, Nguyen-Van Huan, Le-Van Cuong, Pham-The Hai, Le-Thi-Thu Huong, Jisung Kim, Yong-Guk Kim, Sang-Bae Han, Nguyen-Hai Nam
In our search for novel small molecules targeting histone deacetylases, we have designed and synthesized two series of novel N-hydroxybenzamides incorporating 2-oxoindolines (4a-g, 6a-g). Biological evaluation showed that these benzamides potently inhibited HDAC2 with IC50 values in sub-micromolar range. In three human cancer cell lines the synthesized compounds were up to 4-fold more cytotoxic than SAHA. Docking experiments indicated that the compounds tightly bound to HDAC2 at the active binding site with binding affinities much higher than that of SAHA...
February 8, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28196284/early-onset-neonatal-sepsis-is-associated-with-a-high-heart-rate-during-automatically-selected-stationary-periods
#15
Nga Nguyen, Laurent Vandenbroucke, Alfredo Hernández, Tu Pham, Alain Beuchée, Patrick Pladys
AIM: This study examined the heart rate variability characteristics associated with early onset neonatal sepsis in a prospective, observational controlled study. METHODS: Eligible patients were full-term neonates hospitalised with clinical signs that suggested early onset sepsis and a C reactive protein of > 10 mg/L. Sepsis was considered proven in cases of symptomatic septicaemia, meningitis, pneumonia or enterocolitis. Heart rate variability parameters (n=16) were assessed from five, 15 and 30 minutes stationary sequences automatically selected from electrocardiographic recordings performed at admission and compared with a control group using the U-test with post-hoc Benjamini-Yekutieli correction...
February 14, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28194144/trophic-interactions-of-infant-bifidobacteria-and-eubacterium-hallii-during-l-fucose-and-fucosyllactose-degradation
#16
Clarissa Schwab, Hans-Joachim Ruscheweyh, Vera Bunesova, Van Thanh Pham, Niko Beerenwinkel, Christophe Lacroix
Fucosyllactoses (2'- or 3'-FL) account for up to 20% of human milk oligosaccharides (HMOs). Infant bifidobacteria, such as Bifidobacterium longum subsp. infantis, utilize the lactose moiety to form lactate and acetate, and metabolize L-fucose to 1,2-propanediol (1,2-PD). Eubacterium hallii is a common member of the adult gut microbiota that can produce butyrate from lactate and acetate, and convert 1,2-PD to propionate. Recently, a Swiss cohort study identified E. hallii as one of the first butyrate producers in the infant gut...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28193580/astaxanthin-inhibits-inflammation-and-fibrosis-in-the-liver-and-adipose-tissue-of-mouse-models-of-diet-induced-obesity-and-nonalcoholic-steatohepatitis
#17
Bohkyung Kim, Callie Farruggia, Chai Siah Ku, Tho X Pham, Yue Yang, Minkyung Bae, Casey J Wegner, Nicholas J Farrell, Ellen Harness, Young-Ki Park, Sung I Koo, Ji-Young Lee
The objective of this study was to determine if astaxanthin (ASTX), a xanthophyll carotenoid, can prevent obesity-associated metabolic abnormalities, inflammation and fibrosis in diet-induced obesity (DIO) and nonalcoholic steatohepatitis (NASH) mouse models. Male C57BL/6J mice were fed a low-fat (6% fat, w/w), a high-fat/high-sucrose control (HF/HS; 35% fat, 35% sucrose, w/w), or a HF/HS containing ASTX (AHF/HS; 0.03% ASTX, w/w) for 30 weeks. To induce NASH, another set of mice was fed a HF/HS diet containing 2% cholesterol (HF/HS/HC) a HF/HS/HC with 0...
March 2, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28193090/estimating-false-recent-classification-for-the-limiting-antigen-avidity-eia-and-bed-capture-enzyme-immunoassay-in-vietnam-implications-for-hiv-1-incidence-estimates
#18
Neha S Shah, Yen T Duong, Linh-Vi Le, Nguyen Anh Tuan, Bharat Parekh, Hoang Thi Thanh Ha, Quang Duy Pham, Cao Thi Thu Cuc, Trudy Dobbs, Tran Hong Tram, Truong Tx Lien, Nick Wagar, Chunfu Yang, Amy Martin, Mitchell I Wolfe, Hien Tran Nguyen, Andrea A Kim
BACKGROUND: Laboratory tests that can distinguish recent from long-term HIV infection are used to estimate HIV incidence in a population but can potentially misclassify a proportion of long-term HIV infections as recent. Correct application of an assay requires determination of the proportion false recents (PFR) as part of the assay characterization and for calculating HIV incidence in a local population using a HIV incidence assay. METHODS: From April 2009 to December 2010, blood specimens were collected from HIV-infected individuals attending 9 outpatient clinics (OPCs) in Vietnam (4 from northern and 5 from southern Vietnam)...
February 14, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28192906/coupling-high-throughput-microfluidics-and-small-angle-x-ray-scattering-to-study-protein-crystallization-from-solution
#19
Nhat Pham, Dimitri Radajewski, Adam Round, Martha Brennich, Petra Pernot, Béatrice Biscans, Françoise Bonneté, Sébastien Teychené
In this work, we propose the combination of small-angle X-ray scattering (SAXS) and high throughput, droplet based microfluidics as a powerful tool to investigate macromolecular interactions, directly related to protein solubility. For this purpose, a robust and low cost microfluidic platform was fabricated for achieving the mixing of proteins, crystallization reagents, and buffer in nanoliter volumes and the subsequent generation of nanodroplets by means of a two phase flow. The protein samples are compartmentalized inside droplets, each one acting as an isolated microreactor...
February 8, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28192665/n-spirocyclic-quaternary-ammonium-ionenes-for-anion-exchange-membranes
#20
Thanh Huong Pham, Joel S Olsson, Patric Jannasch
The development of cationic polymers for anion-exchange membranes (AEMs) with high alkaline stability and conductivity is a considerable challenge in materials chemistry. In response, we here present the synthesis and properties of N-spirocyclic quaternary ammonium ionenes (spiro-ionenes) containing 5- and 6-membered rings fused by central nitrogen cations. High-molecular weight and film-forming spiro-ionenes are successfully synthesized in cyclo-polycondensations of tetrakis(bromomethyl)benzene and dipiperidines under mild conditions...
February 17, 2017: Journal of the American Chemical Society
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