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https://www.readbyqxmd.com/read/28814063/icave-an-open-source-tool-for-visualizing-biomolecular-networks-in-3d-stereoscopic-3d-and-immersive-3d
#1
Vaja Liluashvili, Selim Kalayci, Eugene Fluder, Manda Wilson, Aaron Gabow, Zeynep H Gümüs
Visualizations of biomolecular networks assist in systems-level data exploration in many cellular processes. Data generated from high-throughput experiments increasingly inform these networks, yet current tools do not adequately scale with concomitant increase in their size and complexity. We present an open source software platform, interactome-CAVE (iCAVE), for visualizing large and complex biomolecular interaction networks in 3D. Users can explore networks (i) in 3D using a desktop, (ii) in stereoscopic 3D using 3D-vision glasses and a desktop, or (iii) in immersive 3D within a CAVE environment...
August 1, 2017: GigaScience
https://www.readbyqxmd.com/read/28813773/a-case-of-ivig-induced-aseptic-chemical-meningitis
#2
Anish Patel, Kalyan Chakravarthy Potu, Tamera Sturm
Intravenous immunoglobulin (IVIG) is a commonly used and generally well-tolerated medication. Common side effects include flu-like symptoms such as fevers, headaches, myalgia, fatigue, and nausea. One of the more rare side effects is aseptic meningitis, with a reported incidence rate of around 0.067 percent of all IVIG infusions. In this paper, we describe a 47-year-old female patient with a history of myasthenia gravis who presented with a headache, neck pain, and neck stiffness while undergoing IVIG infusions for a myasthenia crisis...
March 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28813735/duration-of-antibiotics-prescribed-at-hospital-discharge
#3
Susan E Hoover
INTRODUCTION: A patient's transition from hospitalization to discharge may represent an additional opportunity for antibiotic stewardship. METHODS: We reviewed antimicrobial drugs prescribed at discharge to patients at our medical center over a nine-month period, and calculated the total duration of inpatient and outpatient antibiotic therapy. RESULTS: The median duration of inpatient antibiotics was three days (interquartile range [IQR] four days), of outpatient antibiotics was seven days (IQR six days), and of total antibiotics 10 days (IQR six days)...
April 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28813688/isolation-and-characterization-of-non-sulfated-and-sulfated-triterpenoid-saponins-from-fagonia-indica
#4
Nayab Kanwal, Achyut Adhikari, Abdul Hameed, Rahman M Hafizur, Syed Ghulam Musharraf
Seven previously undescribed, sulfated triterpenoid glycosides, named nayabin A-G along with a known triterpenoid glycoside were isolated from the whole plant of Fagonia indica. Their structures were elucidated through spectral studies including 1D- ((1)H and (13)C), 2D-NMR spectroscopy (HSQC, HMBC, COSY and NOESY), and mass spectrometry (ESI-MS/MS). β-D-Glucopyranosyl 3β-hydroxy-23-O-β-D-glucopyranosyloxy-taraxast-20-en-28-oate, a known compound exerts glucose-dependent insulin secretory activity, which seems to exhibit a decreased risk of drug-induced hypoglycemia and may offer distinct advantages as anti-diabetic agent...
August 13, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28813681/uncoupling-the-mitogenic-and-metabolic-functions-of-fgf1-by-tuning-fgf1-fgf-receptor-dimer-stability
#5
Zhifeng Huang, Yi Tan, Junlian Gu, Yang Liu, Lintao Song, Jianlou Niu, Longwei Zhao, Lakshmi Srinivasan, Qian Lin, Jingjing Deng, Yang Li, Daniel J Conklin, Thomas A Neubert, Lu Cai, Xiaokun Li, Moosa Mohammadi
The recent discovery of metabolic roles for fibroblast growth factor 1 (FGF1) in glucose homeostasis has expanded the functions of this classically known mitogen. To dissect the molecular basis for this functional pleiotropy, we engineered an FGF1 partial agonist carrying triple mutations (FGF1(ΔHBS)) that diminished its ability to induce heparan sulfate (HS)-assisted FGF receptor (FGFR) dimerization and activation. FGF1(ΔHBS) exhibited a severely reduced proliferative potential, while preserving the full metabolic activity of wild-type FGF1 in vitro and in vivo...
August 15, 2017: Cell Reports
https://www.readbyqxmd.com/read/28813680/antibiotics-disrupt-coordination-between-transcriptional-and-phenotypic-stress-responses-in-pathogenic-bacteria
#6
Paul A Jensen, Zeyu Zhu, Tim van Opijnen
Bacterial genes that change in expression upon environmental disturbance have commonly been seen as those that must also phenotypically matter. However, several studies suggest that differentially expressed genes are rarely phenotypically important. We demonstrate, for Gram-positive and Gram-negative bacteria, that these seemingly uncoordinated gene sets are involved in responses that can be linked through topological network analysis. However, the level of coordination is stress dependent. While a well-coordinated response is triggered in response to nutrient stress, antibiotics trigger an uncoordinated response in which transcriptionally and phenotypically important genes are neither linked spatially nor in their magnitude...
August 15, 2017: Cell Reports
https://www.readbyqxmd.com/read/28813646/antihelminthic-drug-niclosamide-inhibits-cip2a-and-reactivates-tumor-suppressor-protein-phosphatase-2a-in-non-small-cell-lung-cancer-cells
#7
Myeong-Ok Kim, Min Ho Choe, Yi Na Yoon, Jiyeon Ahn, Minjin Yoo, Kwan-Young Jung, Sungkwan An, Sang-Gu Hwang, Jeong Su Oh, Jae-Sung Kim
Protein phosphatase 2A (PP2A) is a critical tumor suppressor complex responsible for the inactivation of various oncogenes. Recently, PP2A reactivation has emerged as an anticancer strategy. Cancerous inhibitor of protein phosphatase 2A (CIP2A), an endogenous inhibitor of PP2A, is upregulated in many cancer cells, including non-small cell lung cancer (NSCLC) cells. We demonstrated that the antihelminthic drug niclosamide inhibited the expression of CIP2A and reactivated the tumor suppressor PP2A in NSCLC cells...
August 13, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28813640/innate-immune-signaling-in-the-ventral-tegmental-area-contributes-to-drug-primed-reinstatement-of-cocaine-seeking
#8
Kyle T Brown, Sophia C Levis, Casey E O'Neill, Alexis L Northcutt, Timothy J Fabisiak, Linda R Watkins, Ryan K Bachtell
Cocaine addiction is a chronic relapsing disorder characterized by persistent perturbations to an organism's homeostatic processes that result in maladaptive drug seeking. Although considerable attention has been directed at the consequences of neuronal changes following chronic cocaine taking, few studies have examined the role of microglia, the brain's resident immune cells, following chronic cocaine administration. Toll-Like Receptor 4 (TLR4) is a molecular pattern receptor that recognizes pathogens, danger signals, and xenobiotics and induces proinflammatory signaling in the central nervous system...
August 13, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28813639/exploitation-of-gene-expression-and-cancer-biomarkers-in-paving-the-path-to-era-of-personalized-medicine
#9
REVIEW
Hala Fawzy Mohamed Kamel, Hiba Saeed A Bagader Al-Amodi
Cancer therapy agents have been used extensively as cytotoxic drugs against tissue or organ of a specific type of cancer. With the better understanding of molecular mechanisms underlying carcinogenesis and cellular events during cancer progression and metastasis, it is now possible to use targeted therapy for these molecular events. Targeted therapy is able to identify cancer patients with dissimilar genetic defects at cellular level for the same cancer type and consequently requires individualized approach for treatment...
August 13, 2017: Genomics, Proteomics & Bioinformatics
https://www.readbyqxmd.com/read/28813625/detection-of-first-line-drug-resistance-mutations-and-drug-protein-interaction-dynamics-from-tuberculosis-patients-in-south-india
#10
Somanna Ajjamada Nachappa, Sumana M Neelambike, Chokkanna Amruthavalli, Nallur B Ramachandra
Diagnosis of drug-resistant tuberculosis predominantly relies on culture-based drug susceptibility testing, which take weeks to produce a result and a more time-efficient alternative method is multiplex allele-specific PCR (MAS-PCR). Also, understanding the role of mutations in causing resistance helps better drug designing. AIMS: To evaluate the ability of MAS-PCR in the detection of drug resistance and to understand the mechanism of interaction of drugs with mutant proteins in Mycobacterium tuberculosis...
August 16, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28813621/improvement-of-an-in-vitro-model-to-assess-delivered-dose-and-particle-size-for-a-vibrating-mesh-nebulizer-during-mechanical-ventilation
#11
Nani Kadrichu, Derek Daniher
BACKGROUND: In an in vitro model of mechanical ventilation with gravity-dependent filter position we observed artificially high delivered doses resulting from liquid droplet collection and precipitation of aerosolized drug. We sequentially modified the model to obtain accurate reproducible measurements of delivered dose and particle size at endotracheal tube exit. METHODS: Stepwise changes in the model included (1) altering the endotracheal tube position to a gravity-independent position, (2) adding fluid traps, (3) humidifying air near the test lung, and (4) simplifying test lung and filters...
August 16, 2017: Journal of Aerosol Medicine and Pulmonary Drug Delivery
https://www.readbyqxmd.com/read/28813596/molecular-imaging-of-p-glycoprotein-in-chemoresistant-tumors-using-a-dual-modality-pet-fluorescence-probe
#12
Mengzhe Wang, Chengqiong Mao, Hui Wang, Xueying Ling, Zhanhong Wu, Zi-Bo Li, Xin Ming
Overexpression of P-glycoprotein (Pgp) has been considered a primary cause for multidrug resistance in a variety of cancers for three decades. However, clinical translation of Pgp targeted therapeutics has been hindered by lack of patient preselection based on the Pgp presence in tumors. We aim to develop a molecularly targeted probe for imaging tumoral Pgp in vivo with positron emission tomography (PET) and fluorescence, and to provide a tool for preselecting the patients with tumoral Pgp expression. Thus, a Pgp monoclonal antibody 15D3 was chemically modified with IRDye800 (IR800) and DOTA chelator...
August 16, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28813563/chess-study-revives-debate-over-cognition-enhancing-drugs
#13
Jeff Lyon
No abstract text is available yet for this article.
August 16, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28813550/drug-free-interventions-to-reduce-pain-or-opioid-consumption-after-total-knee-arthroplasty-a-systematic-review-and-meta-analysis
#14
Dario Tedesco, Davide Gori, Karishma R Desai, Steven Asch, Ian R Carroll, Catherine Curtin, Kathryn M McDonald, Maria P Fantini, Tina Hernandez-Boussard
Importance: There is increased interest in nonpharmacological treatments to reduce pain after total knee arthroplasty. Yet, little consensus supports the effectiveness of these interventions. Objective: To systematically review and meta-analyze evidence of nonpharmacological interventions for postoperative pain management after total knee arthroplasty. Data Sources: Database searches of MEDLINE (PubMed), EMBASE (OVID), Cochrane Central Register of Controlled Trials (CENTRAL), Cochrane Database of Systematic Reviews, Web of Science (ISI database), Physiotherapy Evidence (PEDRO) database, and ClinicalTrials...
August 16, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28813502/addressing-the-challenge-of-high-priced-prescription-drugs-in-the-era-of-precision-medicine-a-systematic-review-of-drug-life-cycles-therapeutic-drug-markets-and-regulatory-frameworks
#15
Toon van der Gronde, Carin A Uyl-de Groot, Toine Pieters
CONTEXT: Recent public outcry has highlighted the rising cost of prescription drugs worldwide, which in several disease areas outpaces other health care expenditures and results in a suboptimal global availability of essential medicines. METHOD: A systematic review of Pubmed, the Financial Times, the New York Times, the Wall Street Journal and the Guardian was performed to identify articles related to the pricing of medicines. FINDINGS: Changes in drug life cycles have dramatically affected patent medicine markets, which have long been considered a self-evident and self-sustainable source of income for highly profitable drug companies...
2017: PloS One
https://www.readbyqxmd.com/read/28813475/evaluation-of-the-adaptogenic-potential-exerted-by-ginsenosides-rb1-and-rg1-against-oxidative-stress-mediated-neurotoxicity-in-an-in-vitro-neuronal-model
#16
Carlos Fernández-Moriano, Elena González-Burgos, Irene Iglesias, Rafael Lozano, M Pilar Gómez-Serranillos
BACKGROUND: Ginseng (Panax sp.) is a drug with multiple pharmacological actions that has been largely used in traditional medicines for the treatment of many health problems. In the therapy of neurodegenerative disorders, it has been employed due to its capacity to strengthen mental processes by enhancing cognitive performance and psychological function. Current work aimed at evaluating the adaptogenic potential of Rb1 and Rg1 against oxidative-stress mediated degeneration in a model of nervous cells...
2017: PloS One
https://www.readbyqxmd.com/read/28813474/binge-like-sucrose-consumption-reduces-the-dendritic-length-and-complexity-of-principal-neurons-in-the-adolescent-rat-basolateral-amygdala
#17
Masroor Shariff, Paul Klenowski, Michael Morgan, Omkar Patkar, Erica Mu, Mark Bellingham, Arnauld Belmer, Selena E Bartlett
A compelling body of evidence suggests that the worldwide obesity epidemic is underpinned by excessive sugar consumption, typified by the modern western diet. Furthermore, evidence is beginning to emerge of maladaptive changes in the mesolimbic reward pathway of the brain in relation to excess sugar consumption that highlights the importance of examining this neural circuitry in an attempt to understand and subsequently mitigate the associated morbidities with obesity. While the basolateral amygdala (BLA) has been shown to mediate the reinforcing properties of drugs of abuse, it has also been shown to play an important role in affective and motivated behaviours and has been shown to undergo maladaptive changes in response to drugs of abuse and stress...
2017: PloS One
https://www.readbyqxmd.com/read/28813473/the-availability-of-pharmacies-in-the-united-states-2007-2015
#18
Dima Mazen Qato, Shannon Zenk, Jocelyn Wilder, Rachel Harrington, Darrell Gaskin, G Caleb Alexander
IMPORTANCE: Despite their increasingly important role in health care delivery, little is known about the availability, and characteristics, of community pharmacies in the United States. OBJECTIVES: (1) To examine trends in the availability of community pharmacies and pharmacy characteristics (24-hour, drive-up, home delivery, e-prescribing, and multilingual staffing) associated with access to prescription medications in the U.S. between 2007 and 2015; and (2) to determine whether and how these patterns varied by pharmacy type (retail chains, independents, mass retailers, food stores, government and clinic-based) and across counties...
2017: PloS One
https://www.readbyqxmd.com/read/28813452/plasma-metabolomics-reveals-membrane-lipids-aspartate-asparagine-and-nucleotide-metabolism-pathway-differences-associated-with-chloroquine-resistance-in-plasmodium-vivax-malaria
#19
Karan Uppal, Jorge L Salinas, Wuelton M Monteiro, Fernando Val, Regina J Cordy, Ken Liu, Gisely C Melo, Andre M Siqueira, Belisa Magalhaes, Mary R Galinski, Marcus V G Lacerda, Dean P Jones
BACKGROUND: Chloroquine (CQ) is the main anti-schizontocidal drug used in the treatment of uncomplicated malaria caused by Plasmodium vivax. Chloroquine resistant P. vivax (PvCR) malaria in the Western Pacific region, Asia and in the Americas indicates a need for biomarkers of resistance to improve therapy and enhance understanding of the mechanisms associated with PvCR. In this study, we compared plasma metabolic profiles of P. vivax malaria patients with PvCR and chloroquine sensitive parasites before treatment to identify potential molecular markers of chloroquine resistance...
2017: PloS One
https://www.readbyqxmd.com/read/28813444/effect-of-a-brief-intervention-for-alcohol-and-illicit-drug-use-on-trauma-recidivism-in-a-cohort-of-trauma-patients
#20
Sergio Cordovilla-Guardia, Enrique Fernández-Mondéjar, Raquel Vilar-López, Juan F Navas, Mónica Portillo-Santamaría, Sergio Rico-Martín, Pablo Lardelli-Claret
OBJECTIVE: Estimate the effectiveness of brief interventions in reducing trauma recidivism in hospitalized trauma patients who screened positive for alcohol and/or illicit drug use. METHODS: Dynamic cohort study based on registry data from 1818 patients included in a screening and brief intervention program for alcohol and illicit drug use for hospitalized trauma patients. Three subcohorts emerged from the data analysis: patients who screened negative, those who screened positive and were offered brief intervention, and those who screened positive and were not offered brief intervention...
2017: PloS One
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