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https://www.readbyqxmd.com/read/29679954/are-changes-in-drinking-related-to-changes-in-cannabis-use-among-swedish-adolescents-a-time-series-analysis-for-the-period-1989-2016
#1
Isabella Gripe, Anna-Karin Danielsson, Mats Ramstedt
AIMS: To examine if changes in alcohol consumption are associated with changes in cannabis use among Swedish adolescents in a period of diverging trends, and to investigate if cannabis and alcohol act as complements or substitutes. DESIGN, SETTING, PARTICIPANTS AND MEASUREMENTS: Data comprise a nationally representative annual school survey of alcohol and drug habits among Swedish 9th grade students (15-16 years) covering the years 1989-2016 (n=149 603). Alcohol and cannabis use were measured concurrently and alcohol consumption was measured in liters of 100% alcohol per year...
April 21, 2018: Addiction
https://www.readbyqxmd.com/read/29679953/antinociception-by-the-anti-oxidized-phospholipid-antibody-e06
#2
Milad Mohammadi, Beatrice Oehler, Jan Kloka, Corinna Martin, Alexander Brack, Robert Blum, Heike L Rittner
BACKGROUND AND PURPOSE: Reactive oxygen species (ROS) and their downstream molecules such as oxidized phospholipids (OxPL) and 4-hydroxynonenal (4-HNE) activate transient receptor potential ankyrin 1 (TRPA1) and vanilloid 1 (TRPV1) ion channels in vivo and in vitro shaping thermal and mechanical hypersensitivity in inflammatory pain. E06/T15 is a monoclonal autoantibody against oxidized phosphatidylcholine (OxPC) used in diagnostics in arteriosclerosis. Recently, we provided evidence that E06 also ameliorates inflammatory pain...
April 21, 2018: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29679946/extensive-depolarization-and-lack-of-recovery-of-leech-retzius-neurons-caused-by-2-4-diaminobutyric-acid
#3
S Spasic, M Stanojevic, J Nesovic Ostojic, S Kovacevic, M Prostran, S Lopicic
In this paper we present, for the first time, a detailed account of electrophysiological effects of 2,4-diaminobutyric acid (2,4-DABA). 2,4-DABA is a neurotoxic non-protein amino acid produced by Cyanobacteria with a possible link to neurodegenerative disorders in animals and humans. Intracellular recordings were performed on Retzius nerve cells of the leech Haemopis sanguisuga using glass microelectrodes filled with 3 mol/L KCl. Our results show that 2,4-DABA is an excitatory amino acid, causing membrane depolarization in a concentration-dependent manner...
March 31, 2018: Aquatic Toxicology
https://www.readbyqxmd.com/read/29679944/epigallocatechin-3-gallate-attenuates-microcystin-lr-induced-apoptosis-in-human-umbilical-vein-endothelial-cells-through-activation-of-the-nrf2-ho-1-pathway
#4
Jun Shi, Min Zhang, Libin Zhang, Huipin Deng
Our previous study showed that the tea extract, epigallocatechin-3-gallate (EGCG), protects against microcystin-LR (MC-LR) -mediated apoptosis of human umbilical vein endothelial cells (HUVECs); however, the mechanism underlying MC-LR-induced HUVEC apoptosis remains incompletely understood. In this study, we investigated whether the nuclear factor erythroid-like 2 (NRF2)/heme oxygenase-1 (HO-1) pathway, which regulates antioxidant transcriptional regulation of oxidative stress and apoptosis, is involved in this process...
April 18, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29679943/photocatalytic-decomposition-of-selected-biologically-active-compounds-in-environmental-waters-using-tio-2-polyaniline-nanocomposites-kinetics-toxicity-and-intermediates-assessment
#5
Daniela V Šojić Merkulov, Vesna N Despotović, Nemanja D Banić, Sanja J Armaković, Nina L Finčur, Marina J Lazarević, Dragana D Četojević-Simin, Dejan Z Orčić, Marija B Radoičić, Zoran V Šaponjić, Mirjana I Čomor, Biljana F Abramović
A comprehensive study of the removal of selected biologically active compounds (pharmaceuticals and pesticides) from different water types was conducted using bare TiO2 nanoparticles and TiO2 /polyaniline (TP-50, TP-100, and TP-150) nanocomposite powders. In order to investigate how molecular structure of the substrate influences the rate of its removal, we compared degradation efficiency of the initial substrates and degree of mineralization for the active components of pharmaceuticals (propranolol, and amitriptyline) and pesticides (sulcotrione, and clomazone) in double distilled (DDW) and environmental waters...
April 18, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29679942/radiocesium-concentrations-in-soil-and-leaf-after-decontamination-practices-in-a-forest-plantation-highly-polluted-by-the-fukushima-accident
#6
Manuel López-Vicente, Yuichi Onda, Junko Takahashi, Hiroaki Kato, Shinya Chayama, Keigo Hisadome
Owing to the Fukushima Dai-ichi Nuclear Power Plant (FDNPP) accident a vast amount of radiocesium was released polluting the land. Afterwards, a variety of decontamination practices has been done, reducing the ambient dose rates. In this study we evaluated the effectiveness of eight forest decontamination practices by means of monitoring the radiocesium (137 Cs) concentration in soil and leaf samples, and the daily discharge rates in ten plots during 27 months (May 2013-July 2015). A forest plantation located 16 km southwest to the FDNPP and within the exclusion area was selected...
April 18, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29679941/wood-and-bark-of-pinus-halepensis-as-archives-of-heavy-metal-pollution-in-the-mediterranean-region
#7
José Antonio Rodríguez Martin, Carmen Gutiérrez, Manuel Torrijos, Nikos Nanos
Natural levels of heavy metals (HM) have increased during the industrial era to the point of posing a serious threat to the environment. The use of tree species to record contamination is a well-known practice. The objective of the study was to compare HM levels under different pollution conditions: a) soil pollution due to mining waste; b) atmospheric pollution due to coal-fired power plant emissions. We report significant HM enrichment in Pinus halepensis tissues. Near a burning power plant, Pb content in a tree wood was 2...
April 18, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29679938/exposure-to-nanoplastics-disturbs-the-gut-microbiome-in-the-soil-oligochaete-enchytraeus-crypticus
#8
Bo-Kai Zhu, Yi-Meng Fang, Dong Zhu, Peter Christie, Xin Ke, Yong-Guan Zhu
Microplastics are emerging pollutants that have recently aroused considerable concern but most toxicological studies have focused on marine biota, with little investigation of the influence of microplastics on terrestrial ecosystems. Here, we fed the soil oligochaete Enchytraeus crypticus with oatmeal containing 0, 0.025, 0.5, and 10% (dry weight basis) nano-polystyrene (0.05-0.1 μm particle size) to elucidate the impact of microplastics on the growth and gut microbiome of Enchytraeus crypticus. We observed a significant reduction of weight in the animals fed 10% polystyrene and an increase in the reproduction of those fed 0...
April 18, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29679936/controversies-in-monitoring-metastatic-breast-cancer-during-systemic-treatment-results-of-a-gim-gruppo-italiano-mammella-survey
#9
Bonotto Marta, Basile Debora, Gerratana Lorenzo, Pelizzari Giacomo, Bartoletti Michele, Vitale Maria Grazia, Fanotto Valentina, Lisanti Camilla, Mansutti Mauro, Minisini Alessandro Marco, Aprile Giuseppe, De Laurentiis Michele, Montemurro Filippo, Del Mastro Lucia, Puglisi Fabio
BACKGROUND: The optimal strategy for monitoring metastatic breast cancer (M-MBC) is unclear. Nevertheless, M-MBC influences patient's quality of life and it affects the use of resources in terms of both drugs and diagnostic exam prescription. We aim to disclose oncologists' approach on M-MBC, identifying controversial areas. METHODS: An anonymous online survey was conducted among GIM members who, based on their on-field experience, shared their own method for M-MBC planning...
April 18, 2018: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/29679935/the-role-of-adsorbate-size-on-adsorption-of-ne-and-xe-on-graphite
#10
Luisa Prasetyo, Quang K Loi, Shiliang Johnathan Tan, D D Do, D Nicholson
We have carried out an extensive grand canonical Monte Carlo simulation to investigate the adsorption of neon and xenon on graphite. The adsorbate collision diameters of neon and xenon are smaller and greater respectively, than the commensurate graphite lattice spacing λ=3×3R300 of 0.426 nm. Simulated isotherms and isosteric heats were obtained using a graphite model that has been shown to describe successfully the adsorbate transitions for krypton, methane and nitrogen by Prasetyo et al. (2017), which have collision diameters close to λ...
April 10, 2018: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29679930/mixed-culture-polyhydroxyalkanoate-pha-synthesis-from-nutrient-rich-wet-oxidation-liquors
#11
Suren Wijeyekoon, Carlo R Carere, Mark West, Shresta Nath, Daniel Gapes
Organic waste residues can be hydrothermally treated to produce organic acid rich liquors. These hydrothermal liquors are a potential feedstock for polyhydroxyalkanoate (PHA) production. We investigated the effect of dissolved oxygen concentration and substrate feeding regimes on PHA accumulation and yield using two hydrothermal liquors derived from a mixture of primary and secondary municipal wastewater treatment sludge and food waste. The enriched culture accumulated a maximum of 41% PHA of cell dry weight within 7 h; which is among the highest reported for N and P rich hydrothermal liquors...
April 12, 2018: Water Research
https://www.readbyqxmd.com/read/29679929/a-phylogenetic-framework-facilitates-y-str-variant-discovery-and-classification-via-massively-parallel-sequencing
#12
Tunde I Huszar, Mark A Jobling, Jon H Wetton
Short tandem repeats on the male-specific region of the Y chromosome (Y-STRs) are permanently linked as haplotypes, and therefore Y-STR sequence diversity can be considered within the robust framework of a phylogeny of haplogroups defined by single nucleotide polymorphisms (SNPs). Here we use massively parallel sequencing (MPS) to analyse the 23 Y-STRs in Promega's prototype PowerSeq™ Auto/Mito/Y System kit (containing the markers of the PowerPlex® Y23 [PPY23] System) in a set of 100 diverse Y chromosomes whose phylogenetic relationships are known from previous megabase-scale resequencing...
April 12, 2018: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/29679928/likelihood-ratio-development-for-mixed-y-str-profiles
#13
Duncan Taylor, James Curran, John Buckleton
In this paper we introduce a new likelihood ratio method for evaluating mixed Y-STR profiles that is based on the premise that, given a haplotype has been seen in the person of interest, the most likely source of a second haplotype, matching at all or most loci, is in an individual with a recent common ancestor. We have called the new method the "Haplotype centred" (HC) method for likelihood ratio derivation. For single source, unambiguous haplotypes the HC method performs identically with the Kappa method proposed by Brenner...
April 7, 2018: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/29679927/excitation-functions-of-proton-and-deuteron-induced-nuclear-reactions-on-natural-iridium-for-the-production-of-191-pt
#14
Honoka Obata, Mayeen Uddin Khandaker, Etsuko Furuta, Kotaro Nagatsu, Ming-Rong Zhang
We studied the excitation functions of residual radionuclides produced via proton and deuteron bombardment on natural iridium in the energy ranges of 30-15 MeV and 50-15 MeV, respectively. A conventional stacked-foil activation technique combined with HPGe γ-ray spectrometry was used to measure the excitation functions for 189, 191 Pt and 189, 190g, 192g, 194g Ir radionuclide production. Theoretical thick target yields were estimated to be 172 MBq/µA h and 192 MBq/µA h via the 193 Ir(p,3n)191 Pt reaction at 29...
March 30, 2018: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/29679926/peripheral-artery-disease-a-micro-rna-related-condition
#15
REVIEW
Georgia Vogiatzi, Evangelos Oikonomou, Spyridon Deftereos, Gerasimos Siasos, Dimitris Tousoulis
Peripheral artery disease (PAD) is a vascular problem of diffuse atherosclerosis and is a major cause of cardiovascular morbidity and mortality. Many studies have tried to gain insight into the molecular mechanisms involved in PAD. Lately, highly stable circulating small noncoding RNAs, microRNAs (miRNAs), seem to have disease-specific expression. Thus, miRNAs are emerging as new measurable diagnostic biomarkers and a start point for individualized treatment. To date, the association of miRNA regulation in angiogenesis and maintenance of vascular integrity in PAD has attracted little interest...
April 18, 2018: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/29679925/tocotrienol-rich-fraction-supplementation-reduces-hyperglycemia-induced-skeletal-muscle-damage-through-regulation-of-insulin-signaling-and-oxidative-stress-in-type-2-diabetic-mice
#16
Heaji Lee, Yunsook Lim
Chronic hyperglycemia induces impairment of muscle growth and development of diabetes mellitus (DM). Since skeletal muscle is the major site for disposal of ingested glucose, impaired glucose metabolism causes imbalance between protein synthesis and degradation which adversely affects physical mobility. In this study, we investigated the effect of tocotrienol-rich fraction (TRF) supplementation on skeletal muscle damage in diabetic mice. Diabetes was induced by a high-fat diet with streptozotocin (STZ) injection (100 mg/kg) in male C57BL/6J mice...
March 21, 2018: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29679924/military-status-and-alcohol-problems-former-soldiers-may-be-at-greater-risk
#17
Bonnie M Vest, D Lynn Homish, Jennifer Fillo, Gregory G Homish
OBJECTIVES: The goal of this study was to explore differences in alcohol problems as a function of military status (current soldier, previous soldier and civilian spouses), and the possible interaction between sex and military status. We hypothesized that 1) soldiers would be at greater risk for alcohol problems than civilian spouses, and 2) former soldiers would be at greater risk compared to current soldiers. METHODS: Data were drawn from Operation: SAFETY, a longitudinal study examining physical and mental health among U...
April 13, 2018: Addictive Behaviors
https://www.readbyqxmd.com/read/29679923/testing-a-motivational-model-of-delivery-modality-and-incentives-on-participation-in-a-brief-alcohol-intervention
#18
Clayton Neighbors, Lindsey M Rodriguez, Lorra Garey, Mary M Tomkins
OBJECTIVES: The current research evaluated delivery modality and incentive as factors affecting recruitment into a personalized normative feedback (PNF) alcohol intervention for heavy drinking college students. We also evaluated whether these factors were differentially associated with participation based on relevance of the intervention (via participants' drinking levels). METHOD: College students aged 18-26 who endorsed at least one heavy drinking episode and one alcohol-related consequence in the past month (N = 2059; 59...
March 28, 2018: Addictive Behaviors
https://www.readbyqxmd.com/read/29679921/electromyographic-and-biomechanical-analysis-of-step-negotiation-in-charcot-marie-tooth-subjects-whose-level-walk-is-not-impaired
#19
Tiziana Lencioni, Giuseppe Piscosquito, Marco Rabuffetti, Enrica Di Sipio, Manuela Diverio, Isabella Moroni, Luca Padua, Emanuela Pagliano, Angelo Schenone, Davide Pareyson, Maurizio Ferrarin
BACKGROUND: Charcot-Marie-Tooth (CMT) is a slowly progressive disease characterized by muscular weakness and wasting with a length-dependent pattern. Mildly affected CMT subjects showed slight alteration of walking compared to healthy subjects (HS). RESEARCH QUESTION: To investigate the biomechanics of step negotiation, a task that requires greater muscle strength and balance control compared to level walking, in CMT subjects without primary locomotor deficits (foot drop and push off deficit) during walking...
April 13, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29679920/optimizing-text-for-an-individual-s-visual-system-the-contribution-of-visual-crowding-to-reading-difficulties
#20
Sung Jun Joo, Alex L White, Douglas J Strodtman, Jason D Yeatman
Reading is a complex process that involves low-level visual processing, phonological processing, and higher-level semantic processing. Given that skilled reading requires integrating information among these different systems, it is likely that reading difficulty-known as dyslexia-can emerge from impairments at any stage of the reading circuitry. To understand contributing factors to reading difficulties within individuals, it is necessary to diagnose the function of each component of the reading circuitry. Here, we investigated whether adults with dyslexia who have impairments in visual processing respond to a visual manipulation specifically targeting their impairment...
March 23, 2018: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
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