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https://www.readbyqxmd.com/read/28239627/self-administration-of-smokeless-tobacco-products-in-rats
#1
Mark G LeSage, Danielle Burroughs, Peter Muelken, Andrew C Harris
OBJECTIVE: Preclinical abuse liability assessment is an essential component of tobacco regulatory science. The goal of this project was to evaluate the relative abuse liability of smokeless tobacco products in rats using aqueous extracts of those products. These extracts provide exposure to an extensive range of nicotine and non-nicotine tobacco constituents as occurs in humans. METHODS: Rats were trained to self-administer either nicotine alone or extracts of Camel Snus or Kodiak smokeless tobacco at an equivalent nicotine unit dose...
October 2016: Tobacco Regulatory Science
https://www.readbyqxmd.com/read/28239529/morphological-relationship-between-the-superior-cervical-ganglion-and-cervical-nerves-in-japanese-cadaver-donors
#2
Kazuyuki Mitsuoka, Takeshi Kikutani, Iwao Sato
INTRODUCTION: There are various communications between the superior cervical ganglion (SCG) and the vagus and glossopharyngeal nerves. However, little information exists concerning the origin of these sympathetic ganglion branches at the superior, middle, and inferior regions of the human SCG. The aim of this study was to describe the human SCG in a morphometric manner with the communication with cranial and cervical nerves and supply. METHODS: This study characterized 72 SCG samples from 54 elderly Japanese human cadavers (30 males, 24 females; 65-100 years old)...
February 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28239412/genetic-engineering-of-arabidopsis-to-overproduce-disinapoyl-esters-potential-lignin-modification-molecules
#3
Shinyoung Lee, Huaping Mo, Jeong Im Kim, Clint Chapple
BACKGROUND: Monolignol-like molecules can be integrated into lignin along with conventional monolignol units, and it has been shown that the incorporation of non-canonical subunits can be used to generate hydrolysable lignin by introduction of ester linkages into the polymer and that this type of lignin is more easily removable. Disinapoyl esters (DSEs), which to some degree resemble the monolignol sinapyl alcohol, may be promising lignin modifying units for this purpose. As a first step toward determining whether this goal is achievable, we manipulated metabolic flux in Arabidopsis to increase the amounts of DSEs by overexpressing sinapoylglucose:sinapoylglucose sinapoyltransferase (SST) which produces two main DSEs, 1,2-disinapoylglucose, and another compound we identify in this report as 3,4-disinapoyl-fructopyranose...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28239226/temperature-and-moisture-dependent-studies-on-alunogen-and-the-crystal-structure-of-meta-alunogen-determined-from-laboratory-powder-diffraction-data
#4
Volker Kahlenberg, Doris E Braun, Hannes Krüger, Daniela Schmidmair, Maria Orlova
Starting from a synthetic sample with composition Al2(SO4)3·16.6H2O, the high-temperature- and moisture-dependent behavior of alunogen has been unraveled by TGA measurements, in situ powder X-ray diffraction as well as by gravimetric moisture sorption/desorption studies. Heating experiments using the different techniques show that alunogen undergoes a first dehydration process already starting at temperatures slightly above 40 °C. The crystalline product of the temperature-induced dehydration corresponds to the synthetic equivalent of meta-alunogen and has the following chemical composition: Al2(SO4)3·13...
2017: Physics and Chemistry of Minerals
https://www.readbyqxmd.com/read/28238636/-kawasaki-disease-is-more-prevalent-in-rural-areas-of-catalonia-spain
#5
Judith Sánchez-Manubens, Jordi Antón, Rosa Bou, Estibaliz Iglesias, Joan Calzada-Hernandez, Xavier Rodó, Josep-Antón Morguí
INTRODUCTION: Kawasaki disease (KD) is an acute self-limited systemic vasculitis relatively common in childhood. The etiology of KD is still unknown, although clinical, laboratory and epidemiological features suggest an infectious origin or trigger. Differences on incidence between countries have been related to specific genetic factors, ethnicity, country of birth and some other sociocultural and environmental factors. We present a population-based study on incidence of KD in Catalonia (Spain), focusing on differences between patients in rural and non-rural areas of the region...
February 23, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/28238586/developing-a-minimum-dataset-for-nursing-team-leader-handover-in-the-intensive-care-unit-a-focus-group-study
#6
Amy J Spooner, Leanne M Aitken, Amanda Corley, Wendy Chaboyer
BACKGROUND: Despite increasing demand for structured processes to guide clinical handover, nursing handover tools are limited in the intensive care unit. OBJECTIVES: The study aim was to identify key items to include in a minimum dataset for intensive care nursing team leader shift-to-shift handover. METHODS: This focus group study was conducted in a 21-bed medical/surgical intensive care unit in Australia. Senior registered nurses involved in team leader handovers were recruited...
February 23, 2017: Australian Critical Care: Official Journal of the Confederation of Australian Critical Care Nurses
https://www.readbyqxmd.com/read/28238494/important-role-of-collective-cell-migration-and-nerve-fiber-density-in-the-development-of-deep-nodular-endometriosis
#7
Renan Orellana, Javier García-Solares, Jacques Donnez, Olivier van Kerk, Marie-Madeleine Dolmans, Olivier Donnez
OBJECTIVE: To evaluate deep nodular endometriotic lesions induced in baboons over 12 months and analyze collective cell migration and nerve fiber density. DESIGN: Morphologic and immunohistochemical analysis of endometriotic lesions induced in baboons over the course of 1 year. SETTING: Academic research unit. ANIMAL(S): Three female baboons (Papio anubis). INTERVENTION(S): Recovery of induced deep nodular endometriotic nodules from baboons...
February 23, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28238467/micronutrient-intake-adequacy-in-children-from-birth-to-8-years-data-from-the-childhood-obesity-project
#8
Marta Zaragoza-Jordana, Ricardo Closa-Monasterolo, Veronica Luque, Natàlia Ferré, Veit Grote, Berthold Koletzko, Ingrid Pawellek, Elvira Verduci, Alice ReDionigi, Jerzy Socha, Anna Stolarczyk, Pascale Poncelet, Déborah Rousseaux, Joaquin Escribano
BACKGROUND: In European countries, suboptimal intake has been reported for several micronutrients (as calcium, iron, zinc, vitamin B12, D and folate) in both adulthood and childhood. No studies to date have prospectively compiled nutrient intake from healthy children in different European countries using the same methodology. AIM: To describe the adequacy of micronutrient intake during the first eight years of life in children from 5 European countries. METHODS: Prospective observational trial analyzing data from the EU Childhood Obesity Project...
February 9, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28238331/prognostic-value-of-blood-glucose-in-emergency-room-and-glycosylated-hemoglobin-in-patients-who-have-suffered-an-acute-cerebro-vascular-event
#9
Ander Ernaga Lorea, María Cecilia Hernández Morhain, María Dolores Ollero García-Agulló, Juan Pablo Martínez de Esteban, Ana Iriarte Beroiz, Jaime Gállego Culleré
BACKGROUND AND OBJECTIVE: Stress hyperglycemia has been associated with a worse prognosis in patients hospitalized in critical care units. The aim of this study is to evaluate the impact of blood glucose and glycosylated hemoglobin (HbA1c) levels on the mortality of patients suffering a acute cerebro-vascular event, and to determine if this relationship depends on the presence of diabetes. MATERIAL AND METHODS: A retrospective analysis of 255 patients admitted to the ER for stroke was performed...
February 18, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28238310/-repeat-induced-abortion-a-multicenter-study-on-medical-abortions-in-france-in-2014
#10
M Opatowski, F Bardy, P David, A Dunbavand, M-J Saurel-Cubizolles
OBJECTIVES: To describe the social characteristics of women seeking a medical abortion, and the conditions of that abortion, according to whether they had one or more previous induced abortions. METHODS: An observational study was carried out in 11 French units in 2013-2014, among women 18 years or older. A self-administered questionnaire on the abortion context and social situation was given to them, as well as a diary to record the pain level for each of five days following the mifepristone intake...
January 2017: Gynecol Obstet Fertil Senol
https://www.readbyqxmd.com/read/28238289/challenges-to-safe-injection-practices-in-ambulatory-care
#11
Laura Anderson, Benjamin Weissburg, Kelli Rogers, Jackson Musuuza, Nasia Safdar, Daniel Shirley
Most recent infection outbreaks caused by unsafe injection practices in the United States have occurred in ambulatory settings. We utilized direct observation and a survey to assess injection practices at 31 clinics. Improper vial use was observed at 13 clinics (41.9%). Pharmacy support and healthcare worker education may improve injection practices. Infect Control Hosp Epidemiol 2017;1-3.
February 27, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28237961/healthcare-usage-and-economic-impact-of-non-treated-obesity-in-italy-findings-from-a-retrospective-administrative-and-clinical-database-analysis
#12
Annamaria Colao, Marcello Lucchese, Monica D'Adamo, Silvia Savastano, Enrico Facchiano, Chiara Veronesi, Valerio Blini, Luca Degli Esposti, Paolo Sbraccia
OBJECTIVES: Investigate the prevalence of obesity in Italy and examine its resource consumption and economic impact on the Italian national healthcare system (NHS). DESIGN: Retrospective, observational and real-life study. SETTING: Data from three health units from Northern (Bergamo, Lombardy), Central (Grosseto, Tuscany) and Southern (Naples, Campania) Italy. PARTICIPANTS: All patients aged ≥18 years with at least one recorded body mass index (BMI) measurement between 1 January 2009 and 31 December 2012 were included...
February 24, 2017: BMJ Open
https://www.readbyqxmd.com/read/28237890/experimental-and-modeling-investigations-of-opisthorchis-viverrini-miracidia-transmission-over-time-and-across-temperatures-implications-for-control
#13
Pierre Echaubard, Tomas León, Kulwadee Suwanatrai, Jukkrid Chaiyos, Christina S Kim, Frank F Mallory, Sasithorn Kaewkes, Robert C Spear, Banchob Sripa
Transmissibility is a significant factor in parasite fitness. The rate and magnitude of parasite transmission affect prevalence and infection intensity in individual hosts and are influenced by environmental factors. In this context, the objectives of this study were: (i) to experimentally assess Opisthorchis viverrini miracidia survival and infectivity over time and across temperatures; and (ii) to combine these experimental results with environmental data to build a key component of a transmission model, identifying seasonal windows of transmission risk in hyper-endemic northeastern Thailand...
February 22, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/28237878/a-tissue-dose-based-comparative-exposure-assessment-of-manganese-using-physiologically-based-pharmacokinetic-modeling-the-importance-of-homeostatic-control-for-an-essential-metal
#14
P Robinan Gentry, Cynthia Van Landingham, William G Fuller, Sandra I Sulsky, Tracy B Greene, Harvey J Clewell, Melvin E Andersen, Harry A Roels, Michael D Taylor, Athena M Keene
A physiologically-based pharmacokinetic (PBPK) model (Schroeter et al., 2011) was applied to simulate target tissue Mn concentrations following occupational and environmental exposures. These estimates of target tissue Mn concentrations were compared to determine margins of safety (MOS) and to evaluate the biological relevance of applying safety factors to derive acceptable Mn air concentrations. Mn blood concentrations measured in occupational studies permitted verification of the human PBPK models, increasing confidence in the resulting estimates...
February 22, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28237690/corticokinematic-coherence-as-a-new-marker-for-somatosensory-afference-in-newborns
#15
Eero Smeds, Sampsa Vanhatalo, Harri Piitulainen, Mathieu Bourguignon, Veikko Jousmäki, Riitta Hari
OBJECTIVE: Somatosensory evoked potentials have high prognostic value in neonatal intensive care, but their recording from infants is challenging. Here, we studied the possibility to elicit cortical responses in newborns by simple passive hand movements. METHODS: We examined 13 newborns (postnatal age 1-46days) during clinically indicated 19-channel electroencephalography (EEG) recordings in the neonatal intensive care unit; EEG indications included birth asphyxia and suspected epileptic seizures...
January 29, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28237653/-low-bone-mineral-density-in-juvenile-idiopathic-arthritis-prevalence-and-related-factors
#16
Rocío Galindo Zavala, Esmeralda Núñez Cuadros, Laura Martín Pedraz, Gisela Díaz-Cordovés Rego, Carlos Sierra Salinas, Antonio Urda Cardona
INTRODUCTION: Height adjustment is currently recommended for Z-score bone mineral density (BMD) assessed by dual energy X-ray absorptiometry. At present there are no studies that evaluate the prevalence of low BMD in paediatric patients with Juvenile Idiopathic Arthritis (JIA) in Spain following current recommendations. OBJECTIVES: To evaluate low BMD in JIA in paediatric patients with JIA in Spain following the latest recommendations, as well as to assess associated factors...
February 23, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/28237628/trends-in-breast-cancer-incidence-among-women-with-type-2-diabetes-in-british-general-practice
#17
Heleen K Bronsveld, Paul J H L Peeters, Mark C H de Groot, Anthonius de Boer, Marjanka K Schmidt, Marie L De Bruin
AIMS: To quantify breast cancer incidence in women with type-2 diabetes and assess age-standardized trends in invasive breast cancer incidence over time and by age groups. METHODS: A population-based cohort study was conducted using the British general practice database (Clinical Practice Research Datalink) using data from 1989 to 2012. All adult women prescribed anti-hyperglycemic medication were selected and matched (1:1) on age and clinical practice to a reference cohort without diabetes...
February 22, 2017: Primary Care Diabetes
https://www.readbyqxmd.com/read/28237595/effect-of-short-term-feed-restriction-on-temporal-changes-in-milk-components-and-mammary-lipogenic-gene-expression-in-mid-lactation-holstein-dairy-cows
#18
A M Abdelatty, M E Iwaniuk, M Garcia, K M Moyes, B B Teter, P Delmonte, A K G Kadegowda, M A Tony, F F Mohamad, R A Erdman
Investigations of the temporal changes in mammary gene expression that occur during sudden diet change have been limited by the use of mammary tissue as the source of RNA because of the invasive nature of mammary biopsy procedures. However, the cytosolic crescent, present in 1% of the largest milk fat globules, contains mammary epithelial cell RNA that has become trapped between the inner and outer milk fat globule membranes during final formation and secretion of milk fat into the lumen of the mammary alveoli...
February 22, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28237521/recoupling-dipolar-interactions-with-multiple-i-1-quadrupolar-nuclei-a-11-b-6-li-and-31-p-6-li-rotational-echo-double-resonance-study-of-lithium-borophosphate-glasses
#19
Lena Marie Funke, Henrik Bradtmüller, Hellmut Eckert
The case of rotational echo double resonance (REDOR) experiments on the observe nuclei (11)B and (31)P interacting with multiple I=1 quadrupolar nuclei is analyzed in detail by SIMPSON simulations and experimental studies. The simulations define the region within the parameter space spanned by nutation frequency, quadrupolar coupling constant and spinning frequency where the parabolic analysis of the initial REDOR curve in terms of dipolar second moments has validity. The predictions are tested by experimental studies on the crystalline model compounds lithium diborate and lithium pyrophosphate, which are subsequently extended to measure dipolar second moments M2((11)B{(6)Li}) and M2((31)P{(6)Li}) in three borophosphate glasses...
February 20, 2017: Solid State Nuclear Magnetic Resonance
https://www.readbyqxmd.com/read/28237517/characterization-of-manganese-bearing-particles-in-the-vicinities-of-a-manganese-alloy-plant
#20
Ana Hernández-Pellón, Ignacio Fernández-Olmo, Frédéric Ledoux, Lucie Courcot, Dominique Courcot
Numerous studies have associated air manganese (Mn) exposure with negative health effects, primarily neurotoxic disorders. Despite there is not a specific European regulation, institutions such as the World Health Organization (WHO) have proposed an annual average guideline value of 150 ng/m(3). Bioaccessibility and toxicity mechanisms of Mn remain unclear, however it is generally agreed that adverse health effects are strongly linked to particle size and morphology, chemical composition and oxidation state...
February 10, 2017: Chemosphere
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