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https://www.readbyqxmd.com/read/28214972/avocado-oil-induces-long-term-alleviation-of-oxidative-damage-in-kidney-mitochondria-from-type-2-diabetic-rats-by-improving-glutathione-status
#1
Omar Ortiz-Avila, María Del Consuelo Figueroa-García, Claudia Isabel García-Berumen, Elizabeth Calderón-Cortés, Jorge A Mejía-Barajas, Alain R Rodriguez-Orozco, Ricardo Mejía-Zepeda, Alfredo Saavedra-Molina, Christian Cortés-Rojo
Hyperglycemia and mitochondrial ROS overproduction have been identified as key factors involved in the development of diabetic nephropathy. This has encouraged the search for strategies decreasing glucose levels and long-term improvement of redox status of glutathione, the main antioxidant counteracting mitochondrial damage. Previously, we have shown that avocado oil improves redox status of glutathione in liver and brain mitochondria from streptozotocin-induced diabetic rats; however, the long-term effects of avocado oil and its hypoglycemic effect cannot be evaluated because this model displays low survival and insulin depletion...
February 18, 2017: Journal of Bioenergetics and Biomembranes
https://www.readbyqxmd.com/read/28214850/olive-oil-supplemented-lipid-emulsion-induces-celf1-expression-and-promotes-apoptosis-in-caco-2-cells
#2
Jun-Kai Yan, Jie Zhu, Zi-Zhen Gong, Jie Wen, Yong-Tao Xiao, Wei Cai, Tian Zhang
BACKGROUND AND AIMS: Parenterally-administered lipid emulsion (LE) is a key cause of enterocyte apoptosis under total parenteral nutrition, yet the pathogenesis has not been fully understood. CUGBP, Elav-like family member 1 (CELF1) has been recently identified as a crucial modulator of apoptosis, and thus this study sought to investigate its role in the LE-induced apoptosis in vitro. METHODS: Caco-2 cells were used as an in vitro model. The cells were treated with varying LEs derived from soybean oil, olive oil or fish oil, and changes in the apoptosis and CELF1 expression were assessed...
February 8, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214720/treatment-efficiency-and-economic-feasibility-of-biological-oxidation-membrane-filtration-and-separation-processes-and-advanced-oxidation-for-the-purification-and-valorization-of-olive-mill-wastewater
#3
L Ioannou-Ttofa, I Michael-Kordatou, S C Fattas, A Eusebio, B Ribeiro, M Rusan, A R B Amer, S Zuraiqi, M Waismand, C Linder, Z Wiesman, J Gilron, D Fatta-Kassinos
Olive mill wastewater (OMW) is a major waste stream resulting from numerous operations that occur during the production stages of olive oil. The resulting effluent contains various organic and inorganic contaminants and its environmental impact can be notable. The present work aims at investigating the efficiency of (i) jet-loop reactor with ultrafiltration (UF) membrane system (Jacto.MBR), (ii) solar photo-Fenton oxidation after coagulation/flocculation pre-treatment and (iii) integrated membrane filtration processes (i...
February 12, 2017: Water Research
https://www.readbyqxmd.com/read/28214687/gastroprotective-effect-and-mechanism-of-action-of-croton-rhamnifolioides-essential-oil-in-mice
#4
Cinara Soares Vidal, Anita Oliveira Brito Pereira Bezerra Martins, Andressa de Alencar Silva, Maria Rayane Correia de Oliveira, Jaime Ribeiro-Filho, Thaís Rodrigues de Albuquerque, Henrique Douglas Melo Coutinho, Jackson Roberto Guedes da Silva Almeida, Lucindo Jose Quintans, Irwin Rose Alencar de Menezes
BACKGROUND: Croton rhamnifolioides Pax is a plant species that have been used in the folk medicine to treat ulcers, inflammations and hypertension. However, despite the relevant data obtained from ethnopharmacological studies, the pharmacological properties endorsing the efficacy of this plant to treat ulcer remain to be elucidated. HYPOTHESIS/PURPOSE: The present study aimed to characterize the chemical profile and evaluate the gastroprotective activity of the essential oil obtained from C...
February 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28214111/remediation-of-contaminated-lands-in-the-niger-delta-nigeria-prospects-and-challenges
#5
REVIEW
Nenibarini Zabbey, Kabari Sam, Adaugo Trinitas Onyebuchi
Contamination of the total environment (air, soil, water and biota) by crude oil has become a paramount interest in the Niger Delta region of Nigeria. Studies have revealed variable impacts of oil toxicity on the environment and exposed populations. The revelation gained much international attention in 2011 with the release of Environmental Assessment of Ogoniland report by the United Nations Environment Programme (UNEP). This has up scaled local and international pressures for urgent clean-up and restoration of degraded bio-resource rich environments of the Niger Delta, starting from Ogoniland...
February 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28214010/associations-between-metal-exposure-and-lesion-formation-in-offshore-gulf-of-mexico-fishes-collected-after-the-deepwater-horizon-oil-spill
#6
Jennifer E Granneman, David L Jones, Ernst B Peebles
The objectives of this study were to: (1) examine patterns of short- and long-term metal exposure within the otoliths of six offshore fish species in varying states of health, as indicated by the presence of external skin lesions, and (2) determine if there was a change in otolith metal concentrations concurrent with the Deepwater Horizon (DWH) oil spill. Otoliths collected from 2011 to 2013 in the Gulf of Mexico (GOM) were analyzed for a suite of trace metals known to be associated with DWH oil. We found that lesioned fish often had elevated levels of otolith (60)Ni and (64)Zn before, during, and after the DWH oil spill...
February 14, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28213907/optimizing-the-analysis-of-dental-enamel-microstructure-in-intact-teeth
#7
Zulieth López Arrieta, Sergio Roberto Peres Line
In most mammalian species enamel prisms are regularly arranged in layers of alternating directions forming an angle of approximately 90°. These successive layers of prisms are known as Hunter-Schreger bands (HSBs). The analysis of HSBs may provide valuable information regarding the species life history, taxon and personal identification, with evident applicability in physical anthropology and forensics. Obtaining good quality digital images of HSBs in intact specimens is not always a feasible task. The major problems are the low contrast of images; the reflection of incident light, which may create areas of intense shine in digital images; and the abrupt decrease in the degree of illumination that occurs after light crosses the vertical cracks, frequently present in enamel...
February 17, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/28213844/self-nanoemulsified-drug-delivery-system-of-hydrochlorothiazide-for-increasing-dissolution-rate-and-diuretic-activity
#8
Cassiana Mendes, Aline Buttchevitz, Jéssica Henriques Kruger, Thiago Caon, Patricia de Oliveira Benedet, Elenara Lemos-Senna, Marcos Antônio Segatto Silva
Hydrochlorothiazide (HCTZ) is a class IV drug according to the Biopharmaceutical Classification System. This study aimed the development of self-nanoemulsifying drug delivery system (SNEDDS) for HCTZ as an approach to overcome the biopharmaceutical limitations. Pre-formulation screening and ternary phase diagrams were carried out to select the oil phase, the surfactant, and the co-surfactant as the amount of each constituent. The optimized formulations, with reduced amount of surfactant, and composed of medium chain triglycerides, Cremophor EL and Transcutol P did not affect the pH or show drug incompatibilities...
February 17, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28213750/effect-of-an-acute-dose-of-omega-3-fish-oil-following-exercise-induced-muscle-damage
#9
J R Jakeman, D M Lambrick, B Wooley, J A Babraj, J A Faulkner
PURPOSE: The purpose of this double-blind, placebo-controlled study was to examine the effect of two fish oil supplements, one high in EPA (750 mg EPA, 50 mg DHA) and one low in EPA (150 mg EPA, 100 mg DHA), taken acutely as a recovery strategy following EIMD. METHODS: Twenty-seven physically active males (26 ± 4 year, 1.77 ± 0.07 m, 80 ± 10 kg) completed 100 plyometric drop jumps to induce muscle damage. Perceptual (perceived soreness) and functional (isokinetic muscle strength at 60° and 180° s(-1), squat jump performance and countermovement jump performance) indices of EIMD were recorded before, and 1, 24, 48, 72, and 96h after the damaging protocol...
February 17, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28213734/dehalococcoides-and-general-bacterial-ecology-of-differentially-trichloroethene-dechlorinating-flow-through-columns
#10
Babur S Mirza, Darwin L Sorensen, Daniel J McGlinn, R Ryan Dupont, Joan E McLean
The diversity of Dehalococcoides mccartyi (Dhc) and/or other organohalide respiring or associated microorganisms in parallel, partial, or complete trichloroethene (TCE) dehalogenating systems has not been well described. The composition of Dhc populations and the associated bacterial community that developed over 7.5 years in the top layer (0-10 cm) of eight TCE-fed columns were examined using pyrosequencing. Columns biostimulated with one of three carbon sources, along with non-stimulated controls, developed into complete (ethene production, whey amended), partial (cis-dichloroethene (DCE) and VC, an emulsified oil with nonionic surfactant), limited (<5 % cis-DCE and 95 % TCE, an emulsified oil), and non- (controls) TCE dehalogenating systems...
February 17, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28213716/density-functional-theory-study-of-the-mechanism-for-the-formation-of-glycidyl-esters-from-triglyceride
#11
Quanyu Wang, Zhuan Ji, Bo Han
Glycidyl fatty acid esters (GEs) are by-products of edible oil refinement that have attracted attention globally due to concerns over their possible harmful effects on human health when consumed. It is thus important to improve our understanding of GE formation if we are to suppress GE production during edible oil refinement. In this paper, a first-principles density functional theory study of the formation mechanism of GEs was performed. Triglycerides undergo a self-condensation reaction between two adjacent ester groups to yield GEs and an anhydride as a by-product...
March 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28213706/plant-microbial-association-in-petroleum-and-gas-exploration-sites-in-the-state-of-assam-north-east-india-significance-for-bioremediation
#12
Hemen Sarma, N F Islam, M N V Prasad
The state of Assam in north-east India gained popularity in Asia because of discovery of oil. Pollution due to petroleum and gas exploration is a serious problem in Assam. Oil and gas exploration by various agencies in Assam resulted in soil pollution due to hydrocarbons (HCs) and heavy metals (HMs). Bioremediation gained considerable significance in addressing petroleum hydrocarbon polluted sites in various parts of the world. In this investigation, we have observed 15 species of plants belonging to grass growing on the contaminated soils...
February 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28213542/plant-community-and-nitrogen-deposition-as-drivers-of-%C3%AE-and-%C3%AE-prokaryotic-diversity-in-reconstructed-oil-sands-soils-and-natural-boreal-forest-soils
#13
Jacynthe Masse, Cindy E Prescott, Sébastien Renaut, Yves Terrat, Sue J Grayston
The Athabasca Oil Sands deposit is one of the largest single oil deposits in the world. Following surface mining, companies are required to restore soil-like profiles that can support the previous land capabilities. The objective of this study was to assess if soil prokaryotic α- and β-diversity in oil-sands soils reconstructed 20-30 years previously, and planted to one of three vegetation types (coniferous or deciduous trees and grassland) were similar to those found in natural boreal-forest soils subject to wildfire disturbance...
February 17, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28213539/critical-concentration-of-lecithin-enhances-the-antimicrobial-activity-of-eugenol-against-escherichia-coli
#14
Haoshu Zhang, Edward G Dudley, P Michael Davidson, Federico Harte
Lecithin is a natural emulsifier used in a wide range of food and non-food applications to improve physical stability with no known bioactive effects. In this study, the effect of lecithin on the antimicrobial performance of a constant eugenol concentration was tested against three Escherichia coli strains (C600, 0.1229, and O157:H7 strain ATCC 700728). This was the first study focusing on lecithin at concentrations below those commonly used in foods to improve the stability of oil in water emulsions (≤ 10mg/100ml)...
February 17, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28213320/comparative-analysis-of-mosquito-diptera-culicidae-aedes-aegypti-liston-responses-to-the-insecticide-temephos-and-plant-derived-essential-oil-derived-from-piper-betle-l
#15
Prabhakaran Vasantha-Srinivasan, Sengottayan Senthil-Nathan, Athirstam Ponsankar, Annamalai Thanigaivel, Edward-Sam Edwin, Selvaraj Selin-Rani, Muthiah Chellappandian, Venkatraman Pradeepa, Jalasteen Lija-Escaline, Kandaswamy Kalaivani, Wayne B Hunter, Veeramuthu Duraipandiyan, Naif Abdullah Al-Dhabi
Resistance to treatments with Temephos or plant derived oil, Pb-CVO, between a field collected Wild Strain (WS) and a susceptible Laboratory Strain (LS) of Ae. aegypti were measured. The Temephos (0.1mg/L) showed the greatest percentage of mosquito mortality compared to Pb-CVO (1.5mg/L) in LS Ae. aegypti. However, WS Ae. aegypti was not significantly affected by Temephos (0.1mg/L) treatment compare to the Pb-CVO (1.5mg/L). However, both strains (LS and WS) when treated with Pb-CVO (1.5mg/L) displayed steady larval mortality rate across all instars...
February 14, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28213136/systematic-development-of-a-two-stage-fed-batch-process-for-lipid-accumulation-in-rhodotorula-glutinis
#16
Eric Lorenz, Dennis Runge, Anna-Maria Marbà-Ardébol, Maximilian Schmacht, Ulf Stahl, Martin Senz
The application of oleaginous yeast cells as feed supplement, for instance in aqua culture, can be a meaningful alternative for fish meal and oil additives. Therefore, a two-stage fed-batch process split into growth and lipogenesis phase was systematically developed to enrich the oleaginous yeast Rhodotorula glutinis Rh-00301 with high amounts of lipids at industrial relevant biomasses. Thereby, the different carbon sources glucose, sucrose and glycerol were investigated concerning their abilities to serve as a suited raw material for growth and/or lipid accumulation...
February 14, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28213106/oral-treatment-with-essential-oil-of-hyptis-spicigera-lam-lamiaceae-reduces-acute-pain-and-inflammation-in-mice-potential-interactions-with-transient-receptor-potential-trp-ion-channels
#17
Róli Rodrigues Simões, Igor Dos Santos Coelho, Stella Célio Junqueira, Glauce Regina Pigatto, Marcos José Salvador, Adair Roberto Soares Santos, Felipe Meira de Faria
ETHNOPHARMACOLOGICAL RELEVANCE: The genus Hyptis comprehends almost 400 species widespread in tropical and temperate regions of America. The use of Hyptis spicigera Lam. (Lamiaceae) is reported in traditional medicine due to its gastroprotective, anti-inflammatory and analgesic properties. AIM OF THE STUDY: The rationale of this study was to investigate the potential use of the essential oil of H. spicigera (EOHs) as analgesic. MATERIAL AND METHODS: The antinociceptive effect of EOHs was verified analyzing acute nocifensive behavior of mice induced by chemical noxious stimuli [i...
February 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28213091/convergence-of-hepcidin-deficiency-systemic-iron-overloading-heme-accumulation-and-rev-erb%C3%AE-%C3%AE-activation-in-aryl-hydrocarbon-receptor-elicited-hepatotoxicity
#18
Kelly A Fader, Rance Nault, Mathew P Kirby, Gena Markous, Jason Matthews, Timothy R Zacharewski
Persistent aryl hydrocarbon receptor (AhR) agonists elicit dose-dependent hepatic lipid accumulation, oxidative stress, inflammation, and fibrosis in mice. Iron (Fe) promotes AhR-mediated oxidative stress by catalyzing reactive oxygen species (ROS) production. To further characterize the role of Fe in AhR-mediated hepatotoxicity, male C57BL/6 mice were orally gavaged with sesame oil vehicle or 0.01-30μg/kg 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) every 4days for 28days. Duodenal epithelial and hepatic RNA-Seq data were integrated with hepatic AhR ChIP-Seq, capillary electrophoresis protein measurements, and clinical chemistry analyses...
February 14, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28212907/improving-preoperative-throughput
#19
Jennifer Franklin, Tony Franklin
Preoperative throughput is an important piece in achieving the perioperative goal for first case on time starts. An inefficient preoperative (preop) department can delay surgery starts and impact the patient flow throughout the day. Research is abundant in applying lean six sigma principles in the operating room, however there are minimal studies that specifically apply these tools in the preop. The perioperative process includes the preop, operating room, and the postoperative departments. All areas have to run like a well-oiled machine to improve performance and achieve positive outcomes...
February 2017: Journal of Perianesthesia Nursing: Official Journal of the American Society of PeriAnesthesia Nurses
https://www.readbyqxmd.com/read/28212845/safety-assessment-of-medium-and-long-chain-triacylglycerols-containing-30-w-w-medium-chain-fatty-acids-in-mice-and-rats
#20
Shengmin Zhou, Yueqiang Wang, Yuanrong Jiang, Liangli Lucy Yu
A novel medium- and long-chain triacylglycerols (MLCT), with 30% (w/w) medium-chain fatty acids (MCFA) was evaluated for its safety as a dietary fat in mice and rats. The subacute oral toxicity study showed that the maximum tolerated dose exceeded 54.33 g/kg body weight (kg bw)/day. In the 90-day feeding study, no dose-related adverse effects were observed in rats administered diets formulated with different levels of MLCT (2.0, 4.0, and 8.0 g/kg bw/day) as compared to the rapeseed oil control diet. Further safety assessment in pregnant rats did not reveal any significant difference relative to the control at a treatment level up to 8...
February 14, 2017: Regulatory Toxicology and Pharmacology: RTP
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