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https://www.readbyqxmd.com/read/28102428/plasma-adamts13-activity-and-von-willebrand-factor-antigen-and-activity-in-patients-with-subarachnoid-haemorrhage
#1
Monisha Kumar, Wenjing Cao, Jenny K McDaniel, Huy P Pham, Dheeraj Raju, Kelsey Nawalinski, Suzanne Frangos, David Kung, Eric Zager, Scott E Kasner, Joshua M Levine, X Long Zheng
Increased von Willebrand factor (VWF) and reduced ADAMTS13 activity are associated with arterial thrombosis. This may also be the culprit mechanism implicated in delayed cerebral ischaemia after aneurysmal subarachnoid haemorrhage (SAH). It was our objective to determine plasma VWF and ADAMTS13 in patients with SAH and healthy subjects; and to explore the levels of those markers and outcome after SAH. Forty consecutive patients were enrolled between September 2007 and April 2014 in a pilot study. Plasma samples were collected from SAH patients on post-bleed day (PBD) 0, 1, 3, 5, 7 and 10 and healthy controls...
January 19, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28097095/limited-knowledge-of-acetaminophen-in-patients-with-liver-disease
#2
Sammy Saab, Peter G Konyn, Matthew R Viramontes, Melissa A Jimenez, Jonathan F Grotts, Wally Hamidzadah, Veronica P Dang, Negin L Esmailzadeh, Gina Choi, Francisco A Durazo, Mohamed M El-Kabany, Steven-Huy B Han, Myron J Tong
Background and Aims: Unintentional acetaminophen overdose remains the leading cause of acute liver failure in the United States. Patients with underlying liver disease are at higher risk of poor outcomes from acetaminophen overdose. Limited knowledge of acetaminophen may be a preventable contributor to elevated rates of overdose and thus acute liver failure. The purpose of this study is to assess knowledge of acetaminophen dosing and presence of acetaminophen in common combination products in patients with liver disease...
December 28, 2016: Journal of Clinical and Translational Hepatology
https://www.readbyqxmd.com/read/28092162/clinical-use-of-high-mobility-group-box-1-and-the-receptor-for-advanced-glycation-end-products-in-the-prognosis-and-risk-stratification-of-heart-failure-a-literature-review
#3
Amanda M Marsh, Austin Huy Nguyen, Taylor M Parker, Devendra K Agrawal
Heart failure (HF) is a clinical syndrome that represents the end stage of heart disease and remains the leading cause of morbidity and mortality worldwide. As heart failure mortality rates remain elevated, additional biomarkers that facilitate early detection or risk stratification in HF is of particularly great interest. High mobility group box 1 (HMGB1) and receptor for advanced glycation end products (RAGE) cause the activation of intracellular signaling, gene expression, and production of inflammatory cytokines and have been linked to many inflammatory disease states such as diabetes mellitus and atherosclerosis...
November 30, 2016: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28090719/diversity-oriented-synthesis-of-cyclic-azapeptides-by-a-3-macrocyclization-provides-high-affinity-cd36-modulating-peptidomimetics
#4
Jinqiang Zhang, Mukandila Mulumba, Huy Ong, William D Lubell
Macrocyclization has enabled the use of peptides in drug discovery creating a need for methods to synthesize diverse peptide macrocycles. Azapeptides have advanced to clinically used drugs, however, few cyclic azapeptides have been studied. A multiple component "A(3) -macrocyclization" strategy is described for the preparation of diverse cyclic azapeptides and is demonstrated by the synthesis of 15 growth hormone releasing hormone-6 (GHRP-6) analogs. Certain cyclic aza-GHRP-6 analogs exhibited unprecedented affinity for the CD36 receptor, and capacity to modulate Toll-like receptor agonist-induced overproduction of nitric oxide, and reduce pro-inflammatory cytokine and chemokine production in macrophages...
January 16, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28079262/pediatric-obesity-pharmacokinetic-alterations-and-effects-on-antimicrobial-dosing
#5
Stephanie Natale, John Bradley, William Huy Nguyen, Tri Tran, Pamela Ny, Kirsten La, Eva Vivian, Jennifer Le
BACKGROUND: Limited data exist for appropriate drug dosing in obese children. This comprehensive review summarizes pharmacokinetic alterations that occur with age and obesity, and these effects on antimicrobial dosing. A thorough comparison of different measures of body weight and specific antimicrobial agents, including cefazolin, cefepime, ceftazidime, daptomycin, doripenem, gentamicin, linezolid, meropenem, piperacill-tazobactam, tobramycin, vancomycin, and voriconazole, are presented...
January 12, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28065448/left-ventricular-dyssynchrony-and-2d-and-3d-global-longitudinal-strain-for-differentiating-physiological-and-pathological-left-ventricular-hypertrophy
#6
Julien Ternacle, Camille Bremont, Thomas d'Humieres, Laureline Faivre, Huy Long Doan, Romain Gallet, Leopold Oliver, Jean-Luc Dubois-Randé, Pascal Lim
BACKGROUND: Diagnosis of hypertrophic cardiomyopathy (HCM) in athletes can be challenging. AIMS: To ascertain parameters that differentiate patients with HCM from athletes with moderate left ventricular (LV) hypertrophy (LVH 13-15mm). METHODS: We retrospectively included 100 men: 50 elite rugby players (25 with moderate LVH and 25 with no LVH), 25 patients with HCM and moderate LVH and 25 controls. LV dyssynchrony was defined as the standard deviation of time to peak 2D longitudinal strain (16-segment model) and global strain components were computed from two- (2D) and three-dimensional (3D) speckle tracking...
January 3, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28057251/proenkephalin-renal-dysfunction-and%C3%A2-prognosis-in-patients-with-acute%C3%A2-heart%C3%A2-failure-a-great-network-study
#7
Leong L Ng, Iain B Squire, Donald J L Jones, Thong Huy Cao, Daniel C S Chan, Jatinderpal K Sandhu, Paulene A Quinn, Joan E Davies, Joachim Struck, Oliver Hartmann, Andreas Bergmann, Alexandre Mebazaa, Etienne Gayat, Mattia Arrigo, Eiichi Akiyama, Zaid Sabti, Jens Lohrmann, Raphael Twerenbold, Thomas Herrmann, Carmela Schumacher, Nikola Kozhuharov, Christian Mueller
BACKGROUND: Proenkephalin A (PENK) and its receptors are widely distributed. Enkephalins are cardiodepressive and difficult to measure directly. PENK is a stable surrogate analyte of labile enkephalins that is correlated inversely with renal function. Cardiorenal syndrome is common in acute heart failure (HF) and portends poor prognosis. OBJECTIVES: This study assessed the prognostic value of PENK in acute HF, by identifying levels that may be useful in clinical decisions, and evaluated its utility for predicting cardiorenal syndrome...
January 3, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28056029/hcv-induces-telomerase-reverse-transcriptase-increases-its-catalytic-activity-and-promotes-caspase-degradation-in-infected-human-hepatocytes
#8
Zhaowen Zhu, Huy Tran, M Meleah Mathahs, Thomas O Moninger, Warren N Schmidt
INTRODUCTION: Telomerase repairs the telomeric ends of chromosomes and is active in nearly all malignant cells. Hepatitis C virus (HCV) is known to be oncogenic and potential interactions with the telomerase system require further study. We determined the effects of HCV infection on human telomerase reverse transcriptase (TERT) expression and enzyme activity in primary human hepatocytes and continuous cell lines. RESULTS: Primary human hepatocytes and Huh-7.5 hepatoma cells showed early de novo TERT protein expression 2-4 days after infection and these events coincided with increased TERT promoter activation, TERT mRNA, and telomerase activity...
2017: PloS One
https://www.readbyqxmd.com/read/28052386/ecosystem-engineers-drive-creek-formation-in-salt-marshes
#9
Huy D Vu, Kazimierz Wie Ski, Steven C Pennings
Ecosystem engineers affect different organisms and processes in multiple ways at different spatial scales. Moreover, similar species may differ in their engineering effects for reasons that are not always clear. We examined the role of four species of burrowing crabs (Sesarma reticulatum, Eurytium limosum, Panopeus herbstii, Uca pugnax) in engineering tidal creek networks in salt marshes experiencing sea level rise. In the field, crab burrows were associated with heads of eroding creeks and the loss of plant (Spartina alterniflora) stems...
January 2017: Ecology
https://www.readbyqxmd.com/read/28045726/postoperative-hemiplegic-migraine-after-a-laparoscopic-cholecystectomy-a-case-report
#10
Joseph Happel, Albin S Quiko, Huy Phun, Martin Collier, Amy Mortensen
We report the case of a 35-year-old woman who developed severe right-sided hemiplegia and hemisensory loss shortly after emergence from general anesthesia for a laparoscopic cholecystectomy. Her medical history was significant for migraine with aura and a family history of transient hemiparesis thought to be a result of a transient ischemic attack. The patient's deficits slowly resolved, and she was ultimately diagnosed with familial hemiplegic migraine after a negative workup for cerebrovascular accidents.
December 30, 2016: A & A Case Reports
https://www.readbyqxmd.com/read/28040515/cytotoxicity-and-antiviral-activity-of-electrochemical-synthesized-silver-nanoparticles-against-poliovirus
#11
Tran Quang Huy, Nguyen Thi Hien Thanh, Nguyen Thanh Thuy, Pham Van Chung, Pham Ngoc Hung, Anh-Tuan Le, Nguyen Thi Hong Hanh
Silver nanoparticles (AgNPs) have been proven to have noticeable cytotoxicity in vitro and antiviral activity against some types of enveloped viruses. This paper presents the cytotoxicity and antiviral activity of pure AgNPs synthesized by the electrochemical method, towards cell culture and poliovirus (a non-enveloped virus). Prepared AgNPs were characterized by ultraviolet-visible spectroscopy, energy-dispersive X-ray spectroscopy and transmission electron microscopy. Before incubation with poliovirus, different concentrations of AgNPs were added to human rhabdomyosarcoma (RD) cell monolayers seeded in 96 well plates for testing their cytotoxicity...
December 28, 2016: Journal of Virological Methods
https://www.readbyqxmd.com/read/28031723/economic-report-on-the-cost-of-dengue-fever-in-vietnam-case-of-a-provincial-hospital
#12
Luyen Dinh Pham, Nhat Huy Tran Phung, Nguyen Tu Dang Le, Trung Quang Vo
BACKGROUND: Dengue is a mosquito-borne viral illness with the world's fastest rate of infection. In 2014, Vietnam had recorded 43,000 cases in 53 provinces, with 28 deaths. MATERIALS AND METHODS: A 6-month cross-sectional study was conducted from September 2015 to March 2016 at Cu Chi General Hospital. Cost of illness in this study was estimated under the incidence-based approach from the societal perspective. RESULTS: The average cost per case was US$139...
2017: ClinicoEconomics and Outcomes Research: CEOR
https://www.readbyqxmd.com/read/28028916/enhancing-the-luminescence-of-eu-3-eu-2-ion-doped-hydroxyapatite-by-fluoridation-and-thermal-annealing
#13
Hoang Nhu Van, Phuong Dinh Tam, Nguyen Duc Trung Kien, Pham Thanh Huy, Vuong-Hung Pham
This paper reports a novel way for the synthesis of a europium (Eu)-doped fluor-hydroxyapatite (FHA) nanostructure to control the luminescence of hydroxyapatite nanophosphor, particularly, by applying optimum fluorine concentrations, annealed temperatures and pH value. The Eu-doped FHA was made using the co-precipitation method followed by thermal annealing in air and reducing in a H2 atmosphere to control the visible light emission center of the nanophosphors. The intensities of the OH(-) group decreased with the increasing fluorine concentrations...
December 28, 2016: Luminescence: the Journal of Biological and Chemical Luminescence
https://www.readbyqxmd.com/read/28027008/development-of-an-immunoassay-using-an-anti-wogonin-glucuronide-monoclonal-antibody
#14
Madan Kumar Paudel, Seiichi Sakamoto, Le Van Huy, Hiroyuki Tanaka, Miyamoto Tomofumi, Takano Akihito, Satoshi Morimoto
Wogonin 7-O-β-D-glucuronide (Wgn) is a bioactive flavone present in the dried root of Scutellaria baicalensis Georgi. To generate a monoclonal antibody (MAb) against Wgn, BALB/c mice injected with Wgn-bovine serum albumin yielded splenocytes that we fused with SP2/0 myeloma cells using the polyethylene glycol method. We obtained a hybridoma designated 315A that produced a MAb reactive to Wgn. The anti-Wgn MAb 315A was applied to an indirect competitive enzyme-linked immunosorbent assay (icELISA) to quantify Wgn...
December 27, 2016: Journal of Immunoassay & Immunochemistry
https://www.readbyqxmd.com/read/28026048/consideration-of-different-heating-lengths-of-needles-with-induction-heating-and-resistance-system-a-novel-design-of-needle-module-for-thermal-ablation
#15
Huy-Tien Bui, Sheng-Jye Hwang, Huei-Huang Lee, Durn-Yuan Huang
Thermal ablation using alternating electromagnetic fields is a promising method to treat tissues including tumors. With this approach, an electromagnetic field is generated around an induction coil, which is supplied with high frequency current from a power source. Any electrically conducting object, which is placed in the electromagnetic field, is then heated due to eddy currents. Basic principles underlying this novel thermotherapy needle system are internal induction and resistance heating. This presents a new design of a standard gauge 18 percutaneous trans-hepatic cholangiography needle module combined with a compact power source...
December 27, 2016: Bioelectromagnetics
https://www.readbyqxmd.com/read/28025512/characteristics-of-the-fiber-laser-sensor-system-based-on-etched-bragg-grating-sensing-probe-for-determination-of-the-low-nitrate-concentration-in-water
#16
Thanh Binh Pham, Huy Bui, Huu Thang Le, Van Hoi Pham
The necessity of environmental protection has stimulated the development of many kinds of methods allowing the determination of different pollutants in the natural environment, including methods for determining nitrate in source water. In this paper, the characteristics of an etched fiber Bragg grating (e-FBG) sensing probe-which integrated in fiber laser structure-are studied by numerical simulation and experiment. The proposed sensor is demonstrated for determination of the low nitrate concentration in a water environment...
December 22, 2016: Sensors
https://www.readbyqxmd.com/read/28018986/a-roadmap-for-the-development-of-applied-computational-psychiatry
#17
Martin P Paulus, Quentin J M Huys, Tiago V Maia
BACKGROUND: Computational psychiatry is a burgeoning field that utilizes mathematical approaches to investigate psychiatric disorders, derive quantitative predictions, and integrate data across multiple levels of description. Computational psychiatry has already led to many new insights into the neurobehavioral mechanisms that underlie several psychiatric disorders, but its usefulness from a clinical standpoint is only now starting to be considered. METHODS: Examples of computational psychiatry are highlighted, and a phase-based pipeline for the development of clinical computational-psychiatry applications is proposed, similar to the phase-based pipeline used in drug development...
September 2016: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/28017899/nocodazole-treatment-interrupted-brucella-abortus-invasion-in-raw-264-7-cells-and-successfully-attenuated-splenic-proliferation-with-enhanced-inflammatory-response-in-mice
#18
Alisha Wehdnesday Bernardo Reyes, Huynh Tan Hop, Lauren Togonon Arayan, Tran Xuan Ngoc Huy, Wongi Min, Hu Jang Lee, Hong Hee Chang, Suk Kim
Brucellosis is one of the most important and widespread zoonosis worldwide responsible for serious economic losses and considerable public health burden. In this study, we investigated the modulatory effect of a microtubule-inhibitor, nocodazole, on B. abortus infection in murine macrophages and in a mouse model. Nocodazole activated macrophages and directly inhibited the growth of Brucella in a dose-dependent manner. Nocodazole increased adhesion but reduced invasion and intracellular growth of Brucella in macrophages although it did not affect co-localization of Brucella with LAMP-1...
December 23, 2016: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28017742/embolization-followed-by-radiosurgery-for-the-treatment-of-brain-arteriovenous-malformations-avms
#19
Michael P Marks, Mary L Marcellus, Justin Santarelli, Robert L Dodd, Huy M Do, Steven D Chang, John R Adler, Michael Mlynash, Gary K Steinberg
BACKGROUND: Embolization has been proposed to reduce the size of the AVM nidus in advance of radiosurgical treatment. However, embolization followed by radiosurgery for brain AVMs is controversial. OBJECTIVE: This study assessed the impact of embolization on nidal size prior to radiosurgical treatment and evaluated cure rates and complications using embolization followed by radiosurgery. METHODS: Retrospective review of our institutional AVM database identified 91 patients treated from 1995-2009 with embolization followed by radiosurgery...
December 22, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/28012988/the-host-immune-enhancing-agent-korean-red-ginseng-oil-successfully-attenuates-brucella-abortus-infection-in-a-murine-model
#20
Alisha Wehdnesday Bernardo Reyes, Huynh Tan Hop, Lauren Togonon Arayan, Tran Xuan Ngoc Huy, Soo Jong Park, Kwang Dong Kim, WonGi Min, Hu Jang Lee, Man Hee Rhee, Yi-Seong Kwak, Suk Kim
ETHNOPHARMACOLOGICAL RELEVANCE: Panax ginseng Meyer (Araliaceae), is one of the most valuable traditional Chinese medicines and is used for the treatment of various human diseases. In this study, we elucidated the protective mechanism of the essential oil from Korean red ginseng (RGO) against Brucella infection. MATERIALS AND METHODS: The effects of RGO on Brucella abortus viability, NO production, uptake and intracellular growth in macrophages were investigated...
December 21, 2016: Journal of Ethnopharmacology
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