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https://www.readbyqxmd.com/read/28108773/effects-of-caffeine-on-alcohol-reinforcement-beverage-choice-self-administration-and-subjective-ratings
#1
Mary M Sweeney, Steven E Meredith, Daniel P Evatt, Roland R Griffiths
RATIONALE: Combining alcohol and caffeine is associated with increased alcohol consumption, but no prospective experimental studies have examined whether added caffeine increases alcohol consumption. OBJECTIVES: This study examined how caffeine alters alcohol self-administration and subjective reinforcing effects in healthy adults. METHODS: Thirty-one participants completed six double-blind alcohol self-administration sessions: three sessions with alcohol only (e...
January 20, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28108332/sex-dependent-effects-of-early-life-inflammatory-pain-on-sucrose-intake-and-sucrose-associated-hippocampal-arc-expression-in-adult-rats
#2
Yoko O Henderson, Rebecca Nalloor, Almira Vazdarjanova, Anne Z Murphy, Marise B Parent
We hypothesize that dorsal hippocampal (dHC) neurons, which are critical for episodic memory, form a memory of a meal and inhibit the initiation of the next meal and the amount ingested during that meal. In support, we showed previously that (1) consuming a sucrose meal induces expression of the synaptic plasticity marker activity-regulated cytoskeleton-associated protein (Arc) in dHC neurons and (2) reversible inactivation of these neurons immediately following a sucrose meal accelerates the onset of the next meal and increases the size of that meal...
January 17, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28108248/a-new-efficient-method-of-generating-photoaffinity-beads-for-drug-target-identification
#3
Yoichi Nishiya, Tomoko Hamada, Masayuki Abe, Michio Takashima, Kyoko Tsutsumi, Katsuya Okawa
Affinity purification is one of the most prevalent methods for the target identification of small molecules. Preparation of an appropriate chemical for immobilization, however, is a tedious and time-consuming process. A decade ago, a photoreaction method for generating affinity beads was reported, where compounds are mixed with agarose beads carrying a photoreactive group (aryldiazirine) and then irradiated with ultraviolet light under dry conditions to form covalent attachment. Although the method has proven useful for identifying drug targets, the beads suffer from inefficient ligand incorporation and tend to shrink and aggregate, which can cause nonspecific binding and low reproducibility...
January 10, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28107988/quantitative-assay-for-the-detection-screening-and-reactivity-evaluation-of-nanoceria-particles
#4
Ali Othman, Kristen Bear, Silvana Andreescu
Increasing use of engineered nanoparticles (NPs) in many industrial processes and consumer products requires rapid analytical methodologies to reliably detect and screen samples for the presence of NPs. Here, we report the development, analytical characterization and performance evaluation of a colorimetric assay as a comprehensive test for quantitative detection, screening and reactivity evaluation of nanoceria (cerium oxide, CeO2) particles in aqueous environments. We provide a critical discussion of the role of environmental conditions including pH, ionic composition, and presence of humic acid and particle type on the overall performance and sensitivity of this assay...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28107795/adherence-to-therapies-in-cystic-fibrosis-a-targeted-literature-review
#5
Siva Narayanan, Jochen G Mainz, Smeet Gala, Harold Tabori, Daniel Grossoehme
Cystic fibrosis (CF) is a life-shortening condition with no cure. Available therapies relieving the symptoms of CF are complex and time-consuming. A comprehensive review assessing adherence to different CF therapies, association of adherence with outcomes, and factors influencing adherence could inform optimal patient management strategies. Areas covered: A targeted literature review of studies published from 2010-2016 assessed adherence to CF therapies. Nineteen studies qualified for inclusion. Adherence to CF therapies was sub-optimal, and varied by treatment, mode of treatment administration, age, season, time and method of adherence measurement...
January 20, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28107444/epidemiological-and-clinical-features-of-brucellosis-in-the-country-of-georgia
#6
Tamar Akhvlediani, Christian T Bautista, Natalia Garuchava, Lia Sanodze, Nora Kokaia, Lile Malania, Nazibrola Chitadze, Ketevan Sidamonidze, Robert G Rivard, Matthew J Hepburn, Mikeljon P Nikolich, Paata Imnadze, Nino Trapaidze
BACKGROUND: Brucellosis is an endemic disease in the country of Georgia. According to the National Center for Disease Control and Public Health of Georgia (NCDC), the average annual number of brucellosis cases was 161 during 2008-2012. However, the true number of cases is thought to be higher due to underreporting. The aim of this study was to provide current epidemiological and clinical information and evaluate diagnostic methods used for brucellosis in Georgia. METHODOLOGY: Adult patients were eligible for participation if they met the suspected or probable case definition for brucellosis...
2017: PloS One
https://www.readbyqxmd.com/read/28107288/effects-of-infant-formula-with-human-milk-oligosaccharides-on-growth-and-morbidity-a-randomized-multicenter-trial
#7
Giuseppe Puccio, Philippe Alliet, Cinzia Cajozzo, Elke Janssens, Giovanni Corsello, Norbert Sprenger, Susan Wernimont, Delphine Egli, Laura Gosoniu, Philippe Steenhout
OBJECTIVES: We evaluated effects of infant formula supplemented with 2 human milk oligosaccharides (HMOs) on infant growth, tolerance and morbidity. METHODS: Healthy infants, 0-14 days old, were randomized to an intact-protein, cow's-milk-based infant formula (Control, n = 87) or the same formula with 1.0 g/L 2'fucosyllactose (2'FL) and 0.5 g/L lacto-N-neotetraose (LNnT) (Test, n = 88) from enrollment to 6 months; all infants received standard follow-up formula without HMOs from 6-12 months...
January 20, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28107043/the-impact-of-meal-timing-on-cardiometabolic-syndrome-indicators-in-shift-workers
#8
Hylton E Molzof, Michael D Wirth, James B Burch, Nitin Shivappa, James R Hebert, Russell L Johnson, Karen L Gamble
The aims of this study were to 1) compare the inflammatory potential of night- and day-shift nurses' diets with regard to time of day and work status and 2) explore how the timing of food intake during work and off-work is associated with cardiometabolic syndrome (CMS) risk factors between these two groups. Female nurses (N = 17; 8 day-shift and 9 night-shift) reported food intake over 9 days. On a middle day off of work, metabolic parameters were measured after an overnight fast. Energy/macronutrient intake and inflammatory potential of dietary intake (as assessed via the Dietary Inflammatory Index(TM)) were calculated for nurses' workdays, work nights, off-work days, and off-work nights...
January 20, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28105804/cavity-enhanced-raman-spectroscopy-in-the-biosciences-in-situ-multicomponent-and-isotope-selective-gas-measurements-to-study-hydrogen-production-and-consumption-by-escherichia-coli
#9
Thomas W Smith, Michael F A Hippler
Recently we introduced Cavity-Enhanced Raman Spectroscopy (CERS) with optical feedback cw-diode lasers as a sensitive analytical tool. Here we report improvements made on the technique and its first application in the biosciences for in situ, multicomponent and isotope selective gas measurements to study hydrogen production and consumption by Escherichia coli. Under anaerobic conditions, cultures grown on rich media supplemented with D-glucose or glycerol produce H2 and simultaneously consume some of it. By introducing D2 in the headspace, hydrogen production and consumption could be separated due to the distinct spectroscopic signatures of isotopomers...
January 10, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28105335/detection-of-stanozolol-in-the-urine-of-athletes-at-a-pg-level-the-possibility-of-passive-exposure
#10
Christina Tsitsimpikou, Konstantinos Tsarouhas, Demetrios A Spandidos, Aristides M Tsatsakis
Stanozolol is a synthetic heterocyclic steroid with anabolic and androgenic properties, which has been abused by several high-profile professional athletes. Stanozolol is also used in veterinary medicine to increase appetite, cause weight gain and treat certain types of anemia. The detection of stanozolol metabolites in human urine for doping control purposes depends on the analytical method applied. The most commonly applied methods in the World Anti-Doping Agency (WADA)-accredited doping control laboratories are gas chromatography/high-resolution mass spectrometry (GC/HRMS) or gas chromatography-mass spectrometry (GC/MS/MS)...
December 2016: Biomedical Reports
https://www.readbyqxmd.com/read/28104314/breast-prostate-and-thyroid-cancer-screening-tests-and-overdiagnosis
#11
Minsoo Jung
The purpose of this study was to examine overdiagnosis and overtreatment related to cancer screening and to review relevant reports and studies. A comprehensive search of peer-reviewed and gray literature was conducted for relevant studies published between January 2000 and December 2015 reporting breast, prostate, and thyroid cancer screening tests and overdiagnosis. This study revealed no dichotomy on where screening would lower risk or cause overdiagnosis and overtreatment. Many screening tests did both, that is, at population level, there were both benefit (decreased disease-specific mortality) and harm (overdiagnosis and overtreatment)...
December 20, 2016: Current Problems in Cancer
https://www.readbyqxmd.com/read/28104129/in-situ-procurement-of-a-recipient-s-portal-vein-for-a-right-lobe-liver-graft-with-multiple-venous-orifices-a-case-report
#12
Y Soejima, T Yoshizumi, T Ikegami, N Harimoto, N Harada, S Ito, T Motomura, H Uchiyama, Y Maehara
Reconstruction of multiple venous orifices of a right lobe graft is a time-consuming and troublesome procedure in right lobe living-donor liver transplantation. In the current study, we present a new venous reconstruction technique for a right lobe graft with multiple and complex hepatic vein (HV) orifices, in which procurement of the recipient's left portal vein was performed in situ to keep the anhepatic period to a minimum. All of the HV orifices were reconstructed together at the back table, while maintaining patency of the recipient's systemic and splanchnic circulation...
January 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28103923/risk-adjustment-methods-for-all-payer-comparative-performance-reporting-in-vermont
#13
Karl Finison, MaryKate Mohlman, Craig Jones, Melanie Pinette, David Jorgenson, Amy Kinner, Tim Tremblay, Daniel Gottlieb
BACKGROUND: As the emphasis in health reform shifts to value-based payments, especially through multi-payer initiatives supported by the U.S. Center for Medicare & Medicaid Innovation, and with the increasing availability of statewide all-payer claims databases, the need for an all-payer, "whole-population" approach to facilitate the reporting of utilization, cost, and quality measures has grown. However, given the disparities between the different populations served by Medicare, Medicaid, and commercial payers, risk-adjustment methods for addressing these differences in a single measure have been a challenge...
January 19, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28103254/a-highly-active-endo-levanase-bt1760-of-a-dominant-mammalian-gut-commensal-bacteroides-thetaiotaomicron-cleaves-not-only-various-bacterial-levans-but-also-levan-of-timothy-grass
#14
Karin Mardo, Triinu Visnapuu, Heiki Vija, Anneli Aasamets, Katrin Viigand, Tiina Alamäe
Bacteroides thetaiotaomicron, an abundant commensal of the human gut, degrades numerous complex carbohydrates. Recently, it was reported to grow on a β-2,6-linked polyfructan levan produced by Zymomonas mobilis degrading the polymer into fructooligosaccharides (FOS) with a cell surface bound endo-levanase BT1760. The FOS are consumed by B. thetaiotaomicron, but also by other gut bacteria, including health-promoting bifidobacteria and lactobacilli. Here we characterize biochemical properties of BT1760, including the activity of BT1760 on six bacterial levans synthesized by the levansucrase Lsc3 of Pseudomonas syringae pv...
2017: PloS One
https://www.readbyqxmd.com/read/28101901/cyto-genotoxicity-and-oxidative-stress-in-common-carp-cyprinus-carpio-exposed-to-a-mixture-of-ibuprofen-and-diclofenac
#15
Hariz Islas-Flores, Leobardo Manuel Gómez-Oliván, Marcela Galar-Martínez, Esmeralda Michelle Sánchez-Ocampo, Nely SanJuan-Reyes, Mariana Ortíz-Reynoso, Octavio Dublán-García
Thirty million people worldwide consume each day nonsteroidal anti-inflammatory drugs (NSAIDs), a heterogeneous group of pharmaceuticals used for its analgesic, antipyretic, and anti-inflammatory properties. Recent studies report high NSAID concentrations in wastewater treatment plant effluents, in surface, ground, and drinking water, and in sediments. NSAIDs are also known to induce toxicity on aquatic organisms. However, toxicity in natural ecosystems is not usually the result of exposure to a single substance but to a mixture of toxic agents, yet only a few studies have evaluated the toxicity of mixtures...
January 19, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28101443/national-physical-activity-surveillance-users-of-wearable-activity-monitors-as-a-potential-data-source
#16
John D Omura, Susan A Carlson, Prabasaj Paul, Kathleen B Watson, Janet E Fulton
The objective of this study was to assess usage patterns of wearable activity monitors among US adults and how user characteristics might influence physical activity estimates from this type of sample. We analyzed data on 3367 respondents to the 2015 HealthStyles survey, an annual consumer mail panel survey conducted on a nationwide sample. Approximately 1 in 8 respondents (12.5%) reported currently using a wearable activity monitor. Current use varied by sex, age, and education level. Use increased with physical activity level from 4...
March 2017: Preventive Medicine Reports
https://www.readbyqxmd.com/read/28100387/-economic-burden-of-esophageal-cancer-in-china-from-1996-to-2015-a-systematic-review
#17
L W Guo, C L Shi, H Y Huang, L Wang, X P Yue, S Z Liu, J Li, K Su, M Dai, X B Sun, J F Shi
Objective: To explore existing evidence of economic burden of esophageal cancer in China over the past 20 years. Methods: Based on PubMed, CNKI and Wanfang, literatures published from 1996 to 2015 were retrieved with the key words such as " economic burden" , "cost of illness" and so on. Then the information excerpted from those literatures were analyzed after several exclusionary procedures for non-esophageal cancer related literatures. The information about subjects and data source, methodology, main results were structurally abstracted and then analyzed...
January 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28099027/inactivation-of-soybean-trypsin-inhibitor-by-epigallocatechin-gallate-stopped-flow-fluorescence-thermodynamics-and-docking-studies
#18
Chun Liu, Fenfen Cheng, Xiaoquan Yang
Tea is one of the most widely daily consumed beverages all over the world, and it is usually consumed with milk and/or soy milk. However, very few researches have studied the interactions between tea polyphenols (TPs) and soy milk proteins as compared with milk proteins. Here, we reported that epigallocatechin gallate (EGCG), a major component of TPs, can effectively inhibit the inhibitory activity of Kunitz trypsin inhibitor (KTI, a major antinutrient in soy milk). The mechanism of inactivation of KTI by EGCG was investigated by stopped-flow/fluorescence, thermodynamics, and docking studies...
January 18, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28098394/use-of-asian-samples-in-genetic-research-of-alcohol-use-disorders-genetic-variation-of-alcohol-metabolizing-enzymes-and-the-effects-of-acetaldehyde
#19
Sachio Matsushita, Susumu Higuchi
BACKGROUND AND OBJECTIVES: Epidemiological studies consistently find that Asian populations report lower rates of alcohol use disorders (AUD) compared with other racial groups. These differences result from a variety of biological, genetic, and environmental influences, some of which are related to the metabolism of alcohol. We will review several studies of these metabolic factors, including several alcohol clamping studies conducted in our laboratory, that provide further insight into the role of the alcohol metabolizing genes and drinking behavior among Japanese drinkers...
January 18, 2017: American Journal on Addictions
https://www.readbyqxmd.com/read/28098158/pericytes-from-mesenchymal-stem-cells-as-a-model-for-the-blood-brain-barrier
#20
Xiaohe Tian, Oliver Brookes, Giuseppe Battaglia
Blood brain-barrier (BBB) in vitro models have been widely reported in studies of the BBB phenotype. However, established co-culture systems involve brain endothelial cells, astrocytes, neurons and pericytes, and therefore are often consuming and technically challenging. Here we use mesenchymal system cells (MSC) as a potential substitute for pericytes in a BBB model. Both MSC and pericyte markers in 2D culture environment were evaluated on different extracellular matrix compositions. Further experiments indicated that MSC contributed in a similar manner to pericytes in a co-cultured 3D model on increasing trans-endothelial electric resistance (TEER) and decreasing permeability against macromolecules...
January 18, 2017: Scientific Reports
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