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https://www.readbyqxmd.com/read/28341767/the-effect-of-excise-tax-increases-on-cigarette-prices-in-south-africa
#1
Daniel J Linegar, Corne van Walbeek
INTRODUCTION: The effectiveness of excise tax increases as a tool for reducing tobacco consumption depends largely on how the tax increases impact the retail price. We estimate this relationship in South Africa for 2001-2015. DATA: Statistics South Africa provided disaggregated cigarette price data, used in the calculation of the Consumers' Price Index. Data on the excise tax per cigarette were obtained from Budget Reviews prepared by the National Treasury of South Africa...
March 24, 2017: Tobacco Control
https://www.readbyqxmd.com/read/28336369/pre-exposures-to-taro-colocasia-esculenta-leaf-volatiles-enhance-the-reproductive-behaviors-in-spodoptera-litura
#2
Xinlong Wan, Jiaxiu Bai, Rui Lu, Daogen Zhang, Huiyue Lin
Plant volatiles serve as sensory cues for insects to find food and habitats. They are also reported to affect many insect behaviors. In the current study, we determined how exposures to taro (Colocasia esculenta) for 24h affect reproductive behaviors in Spodoptera litura. Further, we investigated the mechanisms that regulate taro volatiles-induced reproductive behavior in S. litura by recording peripheral, behavioral, and neuronal responses of male moths to sex pheromone components (Z9,E11-14:OAc and Z9,E12-14:OAc) and their mixtures in different ratios, as well as gene expression levels of sex pheromone receptors...
March 20, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28336299/inhibitory-effect-of-crizotinib-on-creatinine-uptake-by-renal-secretory-transporter-oct2
#3
Hiroshi Arakawa, Saki Omote, Ikumi Tamai
Crizotinib, a tyrosine kinase inhibitor, exhibits some cases of an increase in serum creatinine levels. Creatinine is secreted by not only glomerular filtration, but also active secretion by organic cation transporters such as organic cation transporter 2 (OCT2). In the present study, we evaluated in vitro inhibitory effect of crizotinib on OCT2 by directly measuring creatinine uptake by OCT2. Co-incubation of crizotinib reduced uptake of [(14)C]creatinine by cultured HEK293 cells expressing OCT2 (HEK293/OCT2) in a concentration-dependent manner with IC50 values of 1...
March 20, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28334145/combined-effects-of-thinning-and-decline-on-fine-root-dynamics-in-a-quercus-robur-l-forest-adjoining-the-italian-pre-alps
#4
E Mosca, L Montecchio, G Barion, C Dal Cortivo, T Vamerali
Aims: Oak decline is a complex phenomenon, characterized by symptoms of canopy transparency, bark cracks and root biomass reduction. Root health status is one of the first stress indicators, and root turnover is a key process in plant adaptation to unfavourable conditions. In this study, the combined effects of decline and thinning were evaluated on fine root dynamics in an oak forest adjoining the Italian Pre-Alps by comparison of acute declining trees with non-declining trees, both with and without thinning treatment of surrounding trees...
February 28, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28332171/sport-and-male-sexuality
#5
REVIEW
P Sgrò, L Di Luigi
The relationships between sport and sexuality in males are of great social and clinical interest, because of sports and motor activities that highly promote social and sexual relationships. Even if few literature exist, two main questions should be taken into account: whether and how physical exercise and sport positively or negatively influence sexual health and behavior and/or whether and how sexual behavior may affect a sub-sequent sport performance. Physical exercise and sport per se can influence, positively or negatively, the hypothalamic-pituitary-testicular axis function and, consequently, the individual's reproductive and/or sexual health...
March 22, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28331960/synthesis-gas-biorefinery
#6
N Dahmen, E Henrich, T Henrich
Synthesis gas or syngas is an intermediate, which can be produced by gasification from a variety of carbonaceous feedstocks including biomass. Carbon monoxide and hydrogen, the main constituents of syngas, can be subjected to a broad range of chemical and microbial synthesis processes, leading to gaseous and liquid hydrocarbon fuels as well as to platform and fine chemicals. Gasification of solid biomass differs from coal gasification by chemical composition, heating value, ash behavior, and other technical and biomass related issues...
March 23, 2017: Advances in Biochemical Engineering/biotechnology
https://www.readbyqxmd.com/read/28324703/arousal-amplifies-biased-competition-between-high-and-low-priority-memories-more-in-women-than-in-men-the-role-of-elevated-noradrenergic-activity
#7
David Clewett, Michiko Sakaki, Ringo Huang, Shawn E Nielsen, Mara Mather
Recent findings indicate that emotional arousal can enhance memory consolidation of goal-relevant stimuli while impairing it for irrelevant stimuli. According to one recent model, these goal-dependent memory tradeoffs are driven by arousal-induced release of norepinephrine (NE), which amplifies neural gain in target sensory and memory processing brain regions. Past work also shows that ovarian hormones modulate activity in the same regions thought to support NE's effects on memory, such as the amygdala, suggesting that men and women may be differentially susceptible to arousal's dual effects on episodic memory...
February 24, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28324251/simulating-changes-in-cropping-practises-in-conventional-and-glyphosate-tolerant-maize-i-effects-on-weeds
#8
Nathalie Colbach, Alice Fernier, Valérie Le Corre, Antoine Messéan, Henri Darmency
Herbicide-tolerant (HT) crops such as those tolerant to glyphosate simplify weed management and make it more efficient, at least at short-term. Overreliance on the same herbicide though leads to the spread of resistant weeds. Here, the objective was to evaluate, with simulations, the impact on the advent of glyphosate resistance in weeds of modifications in agricultural practises resulting from introducing HT maize into cropping systems. First, we included a single-gene herbicide resistance submodel in the existing multispecific FLORSYS model...
March 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28319564/improvement-in-the-outcomes-of-meld-%C3%A2-40-liver-transplantation-an-analysis-of-207-consecutive-transplants-in-a-highly-competitive-dsa
#9
Victor Nekrasov, Lea Matsuoka, Navpreet Kaur, Alejandro Pita, Gilbert Whang, Shu Cao, Susan Groshen, Sophoclis Alexopoulos
BACKGROUND: Organ donor shortages continue to persist, especially in regions of the United States where competition is highest and recipients frequently attain a MELD score ≥ 40 prior to transplantation. The benefits of Share 35 in highly competitive regions may be underestimated when examining the collective national experience. The purpose of this study is to examine the outcomes of liver transplantation in recipients with a MELD ≥ 40 after implementation of Share 35 in a single center located in region 5...
March 18, 2017: Transplantation
https://www.readbyqxmd.com/read/28318658/sudden-death-in-athletes
#10
Domenico Corrado, Alessandro Zorzi
Competitive sports activity is associated with an increased risk of sudden cardiovascular death (SCD) in adolescents and young adults with clinically silent cardiovascular disorders. While in middle-aged/senior athletes atherosclerotic coronary artery disease accounts for the vast majority of SCDs, in young athletes the spectrum of substrates is wider and includes inherited (cardiomyopathies) and congenital (anomalous origin of coronary arteries) structural heart diseases. Inherited ion channel diseases have been implicated in SCDs occurring with an apparently normal heart at autopsy...
March 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28318148/barriers-to-innovation-in-human-rabies-prophylaxis-and-treatment-a-causal-analysis-of-insights-from-key-opinion-leaders-and-literature
#11
L H M van de Burgwal, A M G Neevel, C A C M Pittens, A D M E Osterhaus, C E Rupprecht, E Claassen
Rabies is an essentially 100% fatal, zoonotic disease, caused by Lyssaviruses. Currently, the disease is vaccine-preventable with pre- and post-exposure prophylaxis (PrEP and PEP). Still, rabies virus is estimated to cause up to 60,000 human deaths annually, of which the vast majority occurs in rural Asia and Africa, due to the inaccessibility of prophylaxis and non-existence of treatment. Despite these unmet clinical needs, rabies control mainly focuses on the sylvatic reservoir and drug innovation receives relatively little attention compared to other neglected tropical diseases (NTDs)...
March 20, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28315150/radioiodination-and-preclinical-evaluation-of-4-benzyl-1-3-125-i-iodobenzylsulfonyl-piperidine-as-a-breast-tumor-imaging-tracer-in-mouse
#12
Masoud Sadeghzadeh, Behrouz Alirezapour, Ghorban Ali Charkhlooie, Maryam Keshavarz Baghery, Amir Khorouti
OBJECTIVE: 4-Benzyl-1-(3-iodobenzylsulfonyl)piperidine, 4-B-IBSP, has shown high-binding affinity to both sigma (σ) receptors in our previous work. In current study, radiolabeling and preclinical evaluation of 4-benzyl-1-(3-[(125)I]-iodobenzylsulfonyl)piperidine, 4-B-[(125)I]IBSP, in human ductal breast carcinoma (T47D) cells and in breast adenocarcinoma-bearing BALB/c mice are described. METHODS: Radioiodination of this new σ ligand was performed by a palladium-catalyzed stannylation approach followed by oxidative iododestannylation reaction using Iodo-Gen...
March 17, 2017: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/28314423/dental-and-orofacial-injuries
#13
REVIEW
Paul Piccininni, Anthony Clough, Ray Padilla, Gabriella Piccininni
Oral and facial injuries are very common in sport, and can be very expensive to treat. Many of these injuries are preventable with proper pre-competition assessment and suitable well-designed protection. Prompt sideline identification and management of orofacial injuries and appropriate follow-up are crucial to successful outcomes. There have been significant recent advances in both trauma management and mouth guard design and fabrication techniques. Athletes have a unique set of challenges-including collisions, finances, travel and training, dehydration, sport beverages, and high carbohydrate diets-that may compromise their oral health...
April 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/28303338/blood-glucose-kinetics-and-physiological-changes-in-a-type-1-diabetic-finisher-of-the-ultraman-triathlon-a-case-study
#14
Christopher W Bach, Daniel A Baur, William S Hyder, Michael J Ormsbee
PURPOSE: To investigate the blood glucose kinetics and physiological effects experienced by a type 1 diabetic (T1D) finisher of a 3-day, multi-stage ultra endurance triathlon consisting of a 10 km swim and 144.8 km bike (stage 1), a 275.4 km bike (stage 2), and an 84.4 km run (stage 3). METHODS: The athlete self-monitored blood glucose (SMBG) levels via fingerstick blood draw and hand-held glucometer. Researchers evaluated blood glucose kinetics via a continuous glucose monitoring device...
March 16, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28302764/-18-f-gp1-a-novel-fluorine-18-labeled-tracer-designed-for-pet-imaging-of-thrombi-with-high-detection-sensitivity-and-low-background
#15
Jessica Lohrke, Holger Siebeneicher, Markus Berger, Michael Reinhardt, Mathias Berndt, Andre Mueller, Marion Zerna, Norman Koglin, Felix Oden, Marcus Bauser, Matthias Friebe, Ludger M Dinkelborg, Joachim Huetter, Andrew W Stephens
Thromboembolic diseases such as myocardial infarction, stroke, transient ischemic attacks and pulmonary embolism are major causes of morbidity and mortality worldwide. GPIIb/IIIa is the key receptor involved in platelet aggregation and is a validated target for therapeutic approaches and diagnostic imaging. The aim of this study was to develop and characterize a specific small molecule tracer for positron emission tomography (PET) imaging that binds with high affinity to GPIIb/IIIa receptors and has suitable pharmacokinetic properties to overcome limitations of previous approaches...
March 16, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28300766/an-improved-label-free-indirect-competitive-spr-immunosensor-and-its-comparison-with-conventional-elisa-for-ractopamine-detection-in-swine-urine
#16
Sai Wang, Shuai Zhao, Xiao Wei, Shan Zhang, Jiahui Liu, Yiyang Dong
Ractopamine (RCT) is banned for use in animals in many countries, and it is urgent to develop efficient methods for specific and sensitive RCT detection. A label-free indirect competitive surface plasmon resonance (SPR) immunosensor was first developed with a primary antibody herein and then improved by a secondary antibody for the detection of RCT residue in swine urine. Meanwhile, a pre-incubation process of RCT and the primary antibody was performed to further improve the sensitivity. With all the key parameters optimized, the improved immunosenor can attain a linear range of 0...
March 16, 2017: Sensors
https://www.readbyqxmd.com/read/28297668/mutually-exclusive-cbc-containing-complexes-contribute-to-rna-fate
#17
Simone Giacometti, Nour El Houda Benbahouche, Michal Domanski, Marie-Cécile Robert, Nicola Meola, Michal Lubas, Jakob Bukenborg, Jens S Andersen, Wiebke M Schulze, Celine Verheggen, Grzegorz Kudla, Torben Heick Jensen, Edouard Bertrand
The nuclear cap-binding complex (CBC) stimulates processing reactions of capped RNAs, including their splicing, 3'-end formation, degradation, and transport. CBC effects are particular for individual RNA families, but how such selectivity is achieved remains elusive. Here, we analyze three main CBC partners known to impact different RNA species. ARS2 stimulates 3'-end formation/transcription termination of several transcript types, ZC3H18 stimulates degradation of a diverse set of RNAs, and PHAX functions in pre-small nuclear RNA/small nucleolar RNA (pre-snRNA/snoRNA) transport...
March 14, 2017: Cell Reports
https://www.readbyqxmd.com/read/28296943/new-approaches-to-determine-fatigue-in-elite-athletes-during-intensified-training-resting-metabolic-rate-and-pacing-profile
#18
Amy L Woods, Laura A Garvican-Lewis, Bronwen Lundy, Anthony J Rice, Kevin G Thompson
BACKGROUND: Elite rowers complete a high volume of training across a number of modalities to prepare for competition, including periods of intensified load, which may lead to fatigue and short-term performance decrements. As yet, the influence of substantial fatigue on resting metabolic rate (RMR) and exercise regulation (pacing), and their subsequent utility as monitoring parameters, has not been explicitly investigated in elite endurance athletes. METHOD: Ten National-level rowers completed a four-week period of intensified training...
2017: PloS One
https://www.readbyqxmd.com/read/28296895/evaluating-signals-of-oil-spill-impacts-climate-and-species-interactions-in-pacific-herring-and-pacific-salmon-populations-in-prince-william-sound-and-copper-river-alaska
#19
Eric J Ward, Milo Adkison, Jessica Couture, Sherri C Dressel, Michael A Litzow, Steve Moffitt, Tammy Hoem Neher, John Trochta, Rich Brenner
The Exxon Valdez oil spill occurred in March 1989 in Prince William Sound, Alaska, and was one of the worst environmental disasters on record in the United States. Despite long-term data collection over the nearly three decades since the spill, tremendous uncertainty remains as to how significantly the spill affected fishery resources. Pacific herring (Clupea pallasii) and some wild Pacific salmon populations (Oncorhynchus spp.) in Prince William Sound declined in the early 1990s, and have not returned to the population sizes observed in the 1980s...
2017: PloS One
https://www.readbyqxmd.com/read/28293929/is-performance-of-a-modified-eucapnic-voluntary-hyperpnea-test-in-high-ventilation-athletes-reproducible
#20
Michael D Kennedy, Craig D Steinback, Rachel Skow, Eric C Parent
PURPOSE: Exercise-induced bronchoconstriction (EIB) is common in "high ventilation" athletes, and the Eucapnic Voluntary Hyperpnea (EVH) airway provocation test is the standard EIB screen. Although the EVH test is widely used, the in-test performance in high ventilation athletes as well as the reproducibility of that performance has not been determined. Reproducibility of pre- and post-test spirometry and self-reported atopy/cough was also examined. METHODS: High ventilation athletes (competitive swimmers; n=11, 5 males) completed an atopy/cough questionnaire and EVH testing (operator controlled FiCO₂) on 2 consecutive days...
May 2017: Allergy, Asthma & Immunology Research
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