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https://www.readbyqxmd.com/read/29241232/thromboelastographic-assessment-of-the-impact-of-mexiletine-on-coagulation-abnormalities-induced-by-air-or-normal-saline-intravenous-injections-in-conscious-rats
#1
Joseph L Nates, Davide Cattano, Fernanda S Costa, Jacques E Chelly, Marie-Francoise Doursout
BACKGROUND: Thromboelastography (TEG) in venous air embolism (VAE) has been poorly studied. We induced coagulation abnormalities by VAE in a rat model, assessed by TEG with and without mexiletine, a lidocaine analogue local anesthetic. METHODS: Twenty-three Sprague Dawley rats instrumented under isoflurane anesthesia and allowed to recover five days prior to the experiments were randomized into three experimental groups: 1) VAE (n = 6); 2) VAE and mexiletine (n = 9); and 3) normal saline (NS) alone (control group, n = 8)...
December 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/29241219/yap-inhibits-the-apoptosis-and-migration-of-human-rectal-cancer-cells-via-suppression-of-jnk-drp1-mitochondrial-fission-htra2-omi-pathways
#2
Haijun Li, Fucheng He, Xin Zhao, Yuan Zhang, Xi Chu, Chunlan Hua, Yunhui Qu, Yu Duan, Liang Ming
BACKGROUND/AIMS: The Hippo-Yap pathway is associated with tumor development and progression. However, little evidence is available concerning its role in cancer cell apoptosis and migration via mitochondrial homeostasis. Here, we identify mitochondrial fission as a regulator of the Hippo-Yap pathway in human rectal cancer tumorigenesis and metastasis. METHODS: In this study, we performed loss-of function assays concerning Yap in RCC via shRNA. Cellular viability and apoptosis were measured via MTT, the TUNEL assay and trypan blue staining...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29241183/leptin-suppresses-glutamate-induced-apoptosis-through-regulation-of-erk1-2-signaling-pathways-in-rat-primary-astrocytes
#3
Hyunju Park, So-Hee Ahn, Yieun Jung, Joo Chun Yoon, Youn-Hee Choi
BACKGROUND/AIMS: Leptin is a hormone expressed by adipose tissue that regulates body energy homeostasis and weight loss by activating leptin receptors in the hypothalamus. Leptin receptors are also expressed in astrocytes. An anti-apoptosis effect of leptin in brain has recently been reported. However, the anti-apoptosis mechanism of leptin in the brain is unknown. METHODS: To investigate whether leptin exerts protective effects against glutamate-induced apoptosis in astrocytes, we performed cell viability assays and apoptosis assays using rat primary astrocytes...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29241146/iseeyou-evaluation-of-a-woman-centred-care-pilot-project-in-bachelor-midwifery-education-and-research
#4
Yvonne Fontein-Kuipers, Enja Romeijn
AIM: to evaluate the ISeeYou project that aims to equip first year Bachelor midwifery students to support them in their learning of providing woman-centred care. METHODS: the project has an ethnographic design. First year midwifery students buddied up to one woman throughout her continuum of the childbirth process and accompanied her during her antenatal and postnatal care encounters. Participant-observation was utilised by the students to support their learning...
November 28, 2017: Midwifery
https://www.readbyqxmd.com/read/29241144/the-diverse-reasons-for-using-novel-psychoactive-substances-a-qualitative-study-of-the-users-own-perspectives
#5
Christophe Soussan, Martin Andersson, Anette Kjellgren
BACKGROUND: The increasing number of legally ambiguous and precarious Novel Psychoactive Substances (NPS) constitutes a challenge for policy makers and public health. Scientific and more in-depth knowledge about the motivations for using NPS is scarce and often consist of predetermined, non-systematic, or poorly described reasons deduced from top-down approaches. Therefore, the aim of the present study was to explore and characterize the users' self-reported reasons for NPS use inductively and more comprehensively...
December 11, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/29241099/perceptual-motor-regulation-in-locomotor-pointing-while-approaching-a-curb
#6
Steven van Andel, Michael H Cole, Gert-Jan Pepping
Locomotor pointing is a task that has been the focus of research in the context of sport (e.g. long jumping and cricket) as well as normal walking. Collectively, these studies have produced a broad understanding of locomotor pointing, but generalizability has been limited to laboratory type tasks and/or tasks with high spatial demands. The current study aimed to generalize previous findings in locomotor pointing to the common daily task of approaching and stepping on to a curb. Sixteen people completed 33 repetitions of a task that required them to walk up to and step onto a curb...
December 9, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29241092/trehalose-protects-against-oxidative-stress-by-regulating-the-keap1-nrf2-and-autophagy-pathways
#7
Yuhei Mizunoe, Masaki Kobayashi, Yuka Sudo, Shukoh Watanabe, Hiromine Yasukawa, Daiki Natori, Ayana Hoshino, Arisa Negishi, Naoyuki Okita, Masaaki Komatsu, Yoshikazu Higami
Dysfunction of autophagy, which regulates cellular homeostasis by degrading organelles and proteins, is associated with pathogenesis of various diseases such as cancer, neurodegeneration and metabolic disease. Trehalose, a naturally occurring nontoxic disaccharide found in plants, insects, microorganisms and invertebrates, but not in mammals, was reported to function as a mechanistic target of the rapamycin (mTOR)-independent inducer of autophagy. In addition, trehalose functions as an antioxidant though its underlying molecular mechanisms remain unclear...
September 20, 2017: Redox Biology
https://www.readbyqxmd.com/read/29241067/weed-seed-spread-and-its-prevention-the-role-of-roadside-wash-down
#8
Ali Ahsan Bajwa, Thi Nguyen, Sheldon Navie, Chris O'Donnell, Steve Adkins
Vehicles are one of the major vectors of long-distance weed seed spread. Viable seed removed from vehicles at roadside wash down facilities was studied at five locations in central Queensland, Australia over a 3-year period. Seed from 145 plant species, belonging to 34 different families, were identified in the sludge samples obtained from the wet particulate matter collection pit of the wash down facilities. Most of the species were annual forbs (50%) with small or very small seed size (<2 mm in diameter)...
December 11, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/29241049/prenatal-maternal-mood-patterns-predict-child-temperament-and-adolescent-mental-health
#9
Laura M Glynn, Mariann A Howland, Curt A Sandman, Elysia P Davis, Michael Phelan, Tallie Z Baram, Hal S Stern
BACKGROUND: This study quantifies the dynamics of maternal mood focusing on unpredictability, and to assess if greater unpredictability of prenatal maternal mood predicts child temperament and internalizing symptoms through early adolescence. METHODS: The association between prenatal mood predictability and child internalizing symptoms were assessed in two longitudinal cohorts (N's = 227 and 180). Maternal mood was assessed repeatedly during pregnancy as early as 15 weeks' gestation...
November 14, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29241030/expression-profiles-of-genes-involved-in-tlrs-and-nlrs-signaling-pathways-of-water-buffaloes-infected-with-fasciola-gigantica
#10
Fu-Kai Zhang, Jun-Ling Hou, Ai-Jiang Guo, Ai-Ling Tian, Zhao-An Sheng, Wen-Bin Zheng, Wei-Yi Huang, Hany M Elsheikha, Xing-Quan Zhu
Infection of ruminants and humans with Fasciola gigantica is attracting increasing attention due to its economic impact and public health significance. However, little is known of innate immune responses during F. gigantica infection. Here, we investigated the expression profiles of genes involved in Toll-like receptors (TLRs) and NOD-like receptors (NLRs) signaling pathways in buffaloes infected with 500F. gigantica metacercariae. Serum, liver and peripheral blood mononuclear cell (PBMC) samples were collected from infected and control buffaloes at 3, 10, 28, and 70days post infection (dpi)...
December 11, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/29241025/antimicrobial-usage-and-risk-of-retreatment-for-mild-to-moderate-clinical-mastitis-cases-on-dairy-farms-following-on-farm-bacterial-culture-and-selective-therapy
#11
S McDougall, J Niethammer, L E Graham
AIMS: To assess antimicrobial usage for treatment of mild to moderate clinical mastitis, and risk of retreatment, following implementation of an on-farm bacterial culture system and selective therapy based on culture results, and to assess compliance with treatment decision tree protocols and the level of agreement between results from on-farm culture and laboratory-based microbiology methods. MATERIALS AND METHODS: Herdowners from seven dairy herds were asked to collect milk samples from cases of mild to moderate clinical mastitis between July 2015 and May 2016...
December 14, 2017: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29241023/ergovaline-does-not-alter-the-severity-of-ryegrass-staggers-induced-by-lolitrem-b
#12
S C Finch, J B Vlaming, B L Sutherland, C van Koten, W J Mace, L R Fletcher
AIM: To investigate a possible interaction between lolitrem B and ergovaline by comparing the incidence and severity of ryegrass staggers in sheep grazing ryegrass (Lolium perenne) containing lolitrem B or ryegrass containing both lolitrem B and ergovaline. METHODS: Ninety lambs, aged approximately 6 months-old, were grazed on plots of perennial ryegrass infected with either AR98 endophyte (containing lolitrem B), standard endophyte (containing lolitrem B and ergovaline) or no endophyte, for up to 42 days from 2 February 2010...
December 14, 2017: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29241022/evolution-as-an-ecosystem-process-insights-from-genomics
#13
Blake Matthews, Rebecca J Best, Philine G D Feulner, Anita Narwani, Romana Limberger
Evolution is a fundamental ecosystem process. The study of genomic variation of organisms can not only improve our understanding of evolutionary processes, but also of contemporary and future ecosystem dynamics. We argue that integrative research between the fields of genomics and ecosystem ecology could generate new insights. Specifically, studies of biodiversity and ecosystem functioning, evolutionary rescue, and eco-evolutionary dynamics could all benefit from information about variation in genome structure and the genetic architecture of traits, whereas genomic studies could benefit from information about the ecological context of evolutionary dynamics...
December 14, 2017: Genome Génome / Conseil National de Recherches Canada
https://www.readbyqxmd.com/read/29241004/intrinsic-size-effect-in-scaffolded-porous-calcium-silicate-particles-and-mechanical-behavior-of-their-self-assembled-ensembles
#14
Sung Hoon Hwang, Rouzbeh Shahsavari
Scaffolded porous submicron particles with well-defined diameter, shape and pore size have profound impacts in drug delivery, bone-tissue replacement, catalysis, sensors, photonic crystals and self-healing materials. However, understanding the interplay between pore size, particle size, and mechanical properties of such ultrafine particles, specially at the level of individual particles and their ensemble states, is a challenge. Herein, we focus on porous calcium-silicate submicron particles with various diameters - as a model system - and perform an extensive 900+ nanoindentations to completely map out their mechanical properties at three distinct structural forms from individual submicron particles to self-assembled ensembles to pressure-induced assembled arrays...
December 14, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29240976/clopidogrel-plus-aspirin-versus-aspirin-alone-for-preventing-cardiovascular-events
#15
REVIEW
Alessandro Squizzato, Marta Bellesini, Andrea Takeda, Saskia Middeldorp, Marco Paolo Donadini
BACKGROUND: Aspirin is the prophylactic antiplatelet drug of choice for people with cardiovascular disease. Adding a second antiplatelet drug to aspirin may produce additional benefit for people at high risk and people with established cardiovascular disease. This is an update to a previously published review from 2011. OBJECTIVES: To review the benefit and harm of adding clopidogrel to aspirin therapy for preventing cardiovascular events in people who have coronary disease, ischaemic cerebrovascular disease, peripheral arterial disease, or were at high risk of atherothrombotic disease, but did not have a coronary stent...
December 14, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29240930/britain-breathing-using-the-experience-sampling-method-to-collect-the-seasonal-allergy-symptoms-of-a-country
#16
Markel Vigo, Lamiece Hassan, William Vance, Caroline Jay, Andrew Brass, Sheena Cruickshank
Objective: Allergies are increasing, but the reasons for this are unclear. Although environmental factors are thought to be important, there is a lack of data on how they contribute to symptom development. To understand this relationship better, we need accurate data about both symptoms and environmental factors. Our objective here is to ascertain whether experience sampling is a reliable approach for collecting allergy symptom data in the general population, allowing us to map symptoms and understand etiology...
December 12, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/29240916/study-on-the-anti-endotoxin-effect-of-sinomenine-using-an-agilent-genome-array
#17
Yiyi Hu, Bin Li, Libin Wen, Kongwang He
Background: Endotoxin is a significant contributing factor underlying the occurrence of fever, diarrhea, inflammation, edema, coagulation, shock, and other syndromes associated with Gram-negative bacterial infections. To date, there is no effective treatment for endotoxemia. Aim: The aim of this study was to characterize differentially expressed genes in sinomenine-treated and LPS-induced endothelial cells by microarray analysis, and to determine the potential pharmacological activity of sinomenine...
December 12, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/29240846/characterization-of-conditions-and-determination-of-practical-tips-for-mtdna-level-estimation-in-various-human-cells
#18
Paulina Jędrak, Natalia Sowa, Sylwia Barańska, Grzegorz Węgrzyn
Determination of mtDNA copy number in the cell is crucial to understand many cellular processes. Recently, the number of studies with the use of mitochondrial DNA (mtDNA) content as the determinant of mitochondrial abnormalities increased greatly and is still growing, therefore, optimization of technical conditions for this analysis is crucial. Despite using similar laboratory protocols, some results cannot be compared between research centers, thus causing discrepancies in the assessment of mtDNA content. The aim of this work was to test which conditions of biological sample collection and storage affect estimation of mtDNA level relative to the nuclear DNA (nDNA) in the blood samples and dermal fibroblasts...
December 15, 2017: Acta Biochimica Polonica
https://www.readbyqxmd.com/read/29240803/bone-edema-on-magnetic-resonance-imaging-is-highly-associated-with-low-bone-mineral-density-in-patients-with-ankylosing-spondylitis
#19
Danmin Wang, Zhiduo Hou, Yao Gong, Subiao Chen, Ling Lin, Zhengyu Xiao
OBJECTIVE: This study aimed to assess the relationship between bone marrow edema (BME) on magnetic resonance imaging (MRI) and bone mineral density (BMD) in patients with ankylosing spondylitis (AS). METHODS: The study included 333 patients with AS who underwent BMD measurements and axial MRI. Additionally, 106 normal controls were included. The modified New York criteria were used as the classification criteria of AS. Clinical, laboratory, and imaging data were collected and analyzed...
2017: PloS One
https://www.readbyqxmd.com/read/29240796/improving-the-quality-of-child-anthropometry-manual-anthropometry-in-the-body-imaging-for-nutritional-assessment-study-bina
#20
Joel Conkle, Usha Ramakrishnan, Rafael Flores-Ayala, Parminder S Suchdev, Reynaldo Martorell
Anthropometric data collected in clinics and surveys are often inaccurate and unreliable due to measurement error. The Body Imaging for Nutritional Assessment Study (BINA) evaluated the ability of 3D imaging to correctly measure stature, head circumference (HC) and arm circumference (MUAC) for children under five years of age. This paper describes the protocol for and the quality of manual anthropometric measurements in BINA, a study conducted in 2016-17 in Atlanta, USA. Quality was evaluated by examining digit preference, biological plausibility of z-scores, z-score standard deviations, and reliability...
2017: PloS One
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