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https://www.readbyqxmd.com/read/28749176/quantifying-potential-reduction-in-contrast-dose-with-monoenergetic-images-synthesized-from-duallayer-detector-spectral-ct
#1
Derek S Tsang, Thomas E Merchant, Sophie E Merchant, Hanna Smith, Yoad Yagil, Chia-Ho Hua
OBJECTIVES: To estimate the potential dose reduction in iodinated contrast when interpreting monoenergetic images from spectral CT. METHODS: 51 pediatric patients received contrast-enhanced CT simulation for radiation therapy using a single-source, dual-layer detector spectral CT. The contrast-to-noise ratios (CNR) of blood vessels were measured relative to surrounding soft tissue. CNRs on monoenergetic 40-70 keV images were compared with polychromatic 120 kVp images...
July 27, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28748776/knowledge-attitudes-and-practices-among-members-of-households-actively-monitored-or-quarantined-to-prevent-transmission-of-ebola-virus-disease-margibi-county-liberia-february-march-2015
#2
Jason A Wilken, Paran Pordell, Brant Goode, Rachel Jarteh, Zayzay Miller, Benjamin G Saygar, Leroy Maximore, Watta M Borbor, Moses Carmue, Gregory W Walker, Adolphus Yeiah
BACKGROUND: In early 2015, a patient from a cluster of cases of Ebola Virus Disease (EVD) in Monrovia, Liberia traveled to a rural village in Margibi County, potentially exposing numerous persons. The patient died in the village and post-mortem testing confirmed Ebola Virus infection. Problem The Margibi County Health Team (CHT; Kakata, Margibi, Liberia) needed to prevent further transmission of EVD within and outside of the affected villages, and they needed to better understand the factors that support or impede compliance with measures to stop the spread of EVD...
July 27, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28748185/novel-actions-of-growth-hormone-in-podocytes-implications-for-diabetic-nephropathy
#3
REVIEW
Dhanunjay Mukhi, Rajkishor Nishad, Ram K Menon, Anil Kumar Pasupulati
The kidney regulates water, electrolyte, and acid-base balance and thus maintains body homeostasis. The kidney's potential to ensure ultrafiltered and almost protein-free urine is compromised in various metabolic and hormonal disorders such as diabetes mellitus (DM). Diabetic nephropathy (DN) accounts for ~20-40% of mortality in DM. Proteinuria, a hallmark of renal glomerular diseases, indicates injury to the glomerular filtration barrier (GFB). The GFB is composed of glomerular endothelium, basement membrane, and podocytes...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28747980/comparative-analysis-of-basal-locomotor-activity-related-metabolic-phenotypes-between-c57bl-6-mice-and-icr-mice-substrains-derived-from-three-different-sources
#4
Dong-Ju Hwang, Hyun-Keun Song, Kil-Soo Kim, Young-Suk Jung, Dae-Youn Hwang, Joon Young Cho
Animal model, as an indispensable tool for scientific purposes of biomedical researches and clinical application, is a commonly used in various researches. Regarding to this, it is necessary to establish the metabolic phenotype of animal model to minimize spurious interpretations and ensure a level of accuracy and reliability adequate for experimental research. However, the metabolic phenotype-related analysis within rodent strains derived from different source is nonexistent, especially in C57BL/6Korl mice and Korl:ICR mice (a domestic mouse strain)...
June 2017: Laboratory Animal Research
https://www.readbyqxmd.com/read/28747868/protective-effect-of-momordica-charantia-water-extract-against-liver-injury-in-restraint-stressed-mice-and-the-underlying-mechanism
#5
Yuanyuan Deng, Qin Tang, Yan Zhang, Ruifen Zhang, Zhencheng Wei, Xiaojun Tang, Mingwei Zhang
Background: Momordica charantia is used in China for its jianghuo (heat-clearing and detoxifying) effects. The concept of shanghuo (the antonym of jianghuo, excessive internal heat) in traditional Chinese medicine is considered a type of stress response of the body. The stress process involves internal organs, especially the liver. Objective: We hypothesized that Momordica charantia water extract (MWE) has a hepatoprotective effect and can protect the body from stress. The aim of this study was to investigate the possible effects of MWE against liver injury in restraint-stressed mice...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28747330/effects-of-randomized-whey-protein-loads-on-energy-intake-appetite-gastric-emptying-and-plasma-gut-hormone-concentrations-in-older-men-and-women
#6
Caroline Giezenaar, Laurence G Trahair, Natalie D Luscombe-Marsh, Trygve Hausken, Scott Standfield, Karen L Jones, Kylie Lange, Michael Horowitz, Ian Chapman, Stijn Soenen
Background: Protein- and energy-rich supplements are used widely for the management of malnutrition in the elderly. Information about the effects of protein on energy intake and related gastrointestinal mechanisms and whether these differ between men and women is limited.Objective: We determined the effects of whey protein on energy intake, appetite, gastric emptying, and gut hormones in healthy older men and women.Design: Eight older women and 8 older men [mean ± SEM age: 72 ± 1 y; body mass index (in kg/m(2)): 25 ± 1] were studied on 3 occasions in which they received protein loads of 30 g (120 kcal) or 70 g (280 kcal) or a flavored water control drink (0 kcal)...
July 26, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28747216/the-detection-of-great-crested-newts-year-round-via-environmental-dna-analysis
#7
Helen C Rees, Claire A Baker, David S Gardner, Ben C Maddison, Kevin C Gough
OBJECTIVE: Analysis of environmental DNA (eDNA) is a method that has been used for the detection of various species within water bodies. The great crested newt (Triturus cristatus) has a short eDNA survey season (mid-April to June). Here we investigate whether this season could be extended into other months using the current methodology as stipulated by Natural England. RESULTS: Here we present data to show that in monthly water samples taken from two ponds (March 2014-February 2015) we were able to detect great crested newt DNA in all months in at least one of the ponds...
July 26, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28746998/bioaccumulation-distribution-and-elimination-of-chlordecone-in-the-giant-freshwater-prawn-macrobrachium-rosenbergii-field-and-laboratory-studies
#8
Anne Lafontaine, Eric Gismondi, Nathalie Dodet, Célia Joaquim-Justo, Céline Boulangé-Lecomte, Fanny Caupos, Soazig Lemoine, Laurent Lagadic, Joëlle Forget-Leray, Jean-Pierre Thomé
Chlordecone is a persistent organochlorine pesticide that has been widely used in Guadeloupe (French West Indies) to control the banana weevil Cosmopolites sordidus from 1972 to 1993. A few years after its introduction, widespread contamination of soils, rivers, wild animals and aquatic organisms was reported. Although high chlordecone concentrations have been reported in several crustacean species, its uptake, internal distribution, and elimination in aquatic species have never been described. This study aimed at investigating the accumulation and tissue distribution of chlordecone in the giant freshwater prawn Macrobrachium rosenbergii, using both laboratory (30 days exposure) and field (8 months exposure) approaches...
July 19, 2017: Chemosphere
https://www.readbyqxmd.com/read/28746381/hedgehogs-on-the-move-testing-the-effects-of-land-use-change-on-home-range-size-and-movement-patterns-of-free-ranging-ethiopian-hedgehogs
#9
Mohammad A Abu Baker, Nigel Reeve, April A T Conkey, David W Macdonald, Nobuyuki Yamaguchi
Degradation and alteration of natural environments because of agriculture and other land uses have major consequences on vertebrate populations, particularly on spatial organization and movement patterns. We used GPS tracking to study the effect of land use and sex on the home range size and movement of a typical model species, the Ethiopian hedgehogs. We used free-ranging hedgehogs from two areas with different land use practices: 24 from an area dominated by irrigated farms (12 ♂♂, 12 ♀♀) and 22 from a natural desert environment within a biosphere reserve (12 ♂♂, 10 ♀♀)...
2017: PloS One
https://www.readbyqxmd.com/read/28745334/evaluation-of-the-wrist-worn-actigraph-wgt3x-bt-for-estimating-activity-energy-expenditure-in-preschool-children
#10
C Delisle Nyström, J Pomeroy, P Henriksson, E Forsum, F B Ortega, R Maddison, J H Migueles, M Löf
BACKGROUND/OBJECTIVES: Easy-to-use and accurate methods to assess free-living activity energy expenditure (AEE) in preschool children are required. The aims of this study in healthy preschool children were to (a) evaluate the ability of the wrist-worn ActiGraph wGT3x-BT to predict free-living AEE and (b) assess wear compliance using a 7-day, 24-h protocol. SUBJECTS/METHODS: Participants were 40 Swedish children (5.5±0.2 years) in the Mobile-based intervention intended to stop obesity in preschoolers (MINISTOP) obesity prevention trial...
July 26, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28745294/controllable-synthesis-and-characterisation-of-palladium-ii-anticancer-complex-loaded-colloidal-gelatin-nanoparticles-as-a-novel-sustained-release-delivery-system-in-cancer-therapy
#11
Neda Alasvand, Maryam Saeidifar, Ali Akbar Saboury, Masoud Mozafari
Over the past few years, there have been several attempts to deliver anticancer drugs into the body. It has been shown that compared to other available carriers, colloidal gelatin nanoparticles (CGNPs) have distinct properties due to their exceptional physico-chemical and biological characteristics. In this study, a novel water-soluble palladium (II) anticancer complex was first synthesised, and then loaded into CGNPs. The CGNPs were synthesised through a two-step desolvation method with an average particle size of 378 nm...
August 2017: IET Nanobiotechnology
https://www.readbyqxmd.com/read/28744755/resveratrol-protects-against-vacuous-chewing-movements-induced-by-chronic-treatment-with-fluphenazine
#12
Alcindo Busanello, Caroline Queiroz Leal, Luis Ricardo Peroza, Jivago Röpke, Elizete de Moraes Reis, Catiuscia Molz de Freitas, Milena Libardoni, Nilda Berenice de Vargas Barbosa, Roselei Fachinetto
Typical antipsychotics, which are commonly used to treat schizophrenia, cause motor disorders such as tardive dyskinesia (TD) in humans and orofacial dyskinesia (OD) in rodents. The disease mechanisms as well as treatment effectiveness are still unknown. In this study, we investigated the effect of resveratrol, a polyphenol with neuroprotective properties, on behavioral changes induced by chronic treatment with fluphenazine in rats and the possible relationship between monoamine oxidase (MAO) activity and vacuous chewing movements (VCMs)...
July 25, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28743624/russian-sturgeon-cultured-in-a-subtropical-climate-shows-weaken-innate-defences-and-a-chronic-stress-response
#13
Mauricio Castellano, Valeria Silva-Álvarez, Elena Fernández-López, Verónica Mauris, Daniel Conijeski, Andrea Villarino, Ana M Ferreira
Russian sturgeon (Acipenser gueldenstaedtii) has been successfully farmed in Uruguay for the past ten years. However, during the Uruguayan summer fish endure high water temperatures and increased bacterial infections that threaten aquaculture. Our understanding of sturgeon's immune system and its interplay with environmental factors like temperature is almost unknown. This study analysed the way in which seasonal variations affect enzymatic blood components of Russian sturgeon's innate defences, including the serum alternative complement pathway (ACP), ceruloplasmin (Cp) and lysozyme activities...
July 22, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28742114/a-unique-polysaccharide-purified-from-hericium-erinaceus-mycelium-prevents-oxidative-stress-induced-by-h2o2-in-human-gastric-mucosa-epithelium-cell
#14
Mingxing Wang, Nakajima Kanako, Yanqiu Zhang, Xulang Xiao, Qipin Gao, Konishi Tetsuya
Hericium erinaceus (HE) has been used both as a traditional Chinese medicine and home remedy for treatment of gastric and duodenal ulcers and gastritis. EP-1, a purified polysaccharide isolated from HE mycelium, has recently been identified as the active component responsible for HE anti-gastritis activity. Because oxidative stress has been implicated as a pathogenic cause of gastritis and gastric ulcers, EP-1 antioxidant properties were systematically examined in vitro using the human gastric mucosal epithelial cell line, GES-1...
2017: PloS One
https://www.readbyqxmd.com/read/28741248/lessons-learned-from-arsenic-mitigation-among-private-well-households
#15
REVIEW
Yan Zheng
PURPOSE OF REVIEW: Many thousands of research papers have been published on the occurrence, health effects, and mitigation of arsenic in drinking water sourced from groundwater around the world. Here, an attempt is made to summarize this large body of knowledge into a small number of lessons. RECENT FINDINGS: This is an opinion paper reflecting on why we are far from the goal of eliminating this silent and widespread poison to protect the health of many millions...
July 24, 2017: Current Environmental Health Reports
https://www.readbyqxmd.com/read/28740862/giant-convecting-mud-balls-of-the-early-solar-system
#16
Philip A Bland, Bryan J Travis
Carbonaceous asteroids may have been the precursors to the terrestrial planets, yet despite their importance, numerous attempts to model their early solar system geological history have not converged on a solution. The assumption has been that hydrothermal alteration was occurring in rocky asteroids with material properties similar to meteorites. However, these bodies would have accreted as a high-porosity aggregate of igneous clasts (chondrules) and fine-grained primordial dust, with ice filling much of the pore space...
July 2017: Science Advances
https://www.readbyqxmd.com/read/28740353/anti-apoptotic-effect-of-banhasasim-tang-on-chronic-acid-reflux-esophagitis
#17
Mi-Rae Shin, Hyo-Jin An, Bu-Il Seo, Seong-Soo Roh
AIM: To evaluate the anti-apoptotic effect of banhasasim-tang (BHSST) on chronic acid reflux esophagitis (CARE) using a rat model. METHODS: A surgically-induced CARE model was established in Sprague-Dawley rats. The modeled rats were divided into a treatment group or untreated group, and given BHSST (1 g/kg body weight per day) or water, respectively, for 15 consecutive days (n = 7 each group). Changes in expression of proteins related to nicotinamide adenine dinucleotide phosphate (NADPH) oxidase and apoptosis were assessed by western blotting...
July 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28739050/reduced-water-intake-deteriorates-glucose-regulation-in-patients-with-type-2-diabetes
#18
Evan C Johnson, Costas N Bardis, Lisa T Jansen, J D Adams, Tracie W Kirkland, Stavros A Kavouras
Epidemiological research has demonstrated that low daily total water intake is associated with increased diagnosis of hyperglycemia. Possible mechanisms for this increase include hormones related to the hypothalamic pituitary axis as well as the renin-angiotensin-aldosterone system (RAAS). Therefore, the hypothesis of the present study was that acute low water intake would result in differential hormonal profiles and thus impaired blood glucose regulation during an oral glucose tolerance test (OGTT) in people with type 2 diabetes mellitus (T2DM)...
July 2017: Nutrition Research
https://www.readbyqxmd.com/read/28738654/development-of-a-sensitive-and-quantitative-uhplc-ms-ms-method-to-study-the-whole-body-uptake-of-pharmaceuticals-in-zebrafish
#19
Stanislav Kislyuk, Jerome Kroonen, Erwin Adams, Patrick Augustijns, Peter de Witte, Deirdre Cabooter
An analytical procedure to measure the whole-body uptake of pharmaceuticals in zebrafish has been developed using state-of-the-art methodologies. A sample preparation procedure for 9 pharmaceuticals displaying a variety in physicochemical properties was developed using 10-day old zebrafish (TG898). For an efficient homogenization of the samples and subsequent recovery of the compounds of interest, different amounts of organic solvents in combination with acidic modifiers were added to zebrafish samples. Samples were subsequently processed using a powerful bath sonicator and centrifuged...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738299/the-impact-of-bmi-on-non-malignant-respiratory-symptoms-and-lung-function-in-arsenic-exposed-adults-of-northern-chile
#20
Anthony Nardone, Catterina Ferreccio, Johanna Acevedo, Wayne Enanoria, Alden Blair, Allan H Smith, John Balmes, Craig Steinmaus
BACKGROUND: Elevated body mass index (BMI) and arsenic are both associated with cancer and with non-malignant lung disease. Using a unique exposure situation in Northern Chile with data on lifetime arsenic exposure, we previously identified the first evidence of an interaction between arsenic and BMI for the development of lung cancer. OBJECTIVES: We examined whether there was an interaction between arsenic and BMI for the development of non-malignant lung disease...
July 21, 2017: Environmental Research
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