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https://www.readbyqxmd.com/read/28343204/-risk-management-of-hospital-infections-as-a-supporting-tool-for-the-improvement-of-hospital-quality-some-european-examples
#1
Mateusz Sitek, Izabela Witczak, Dorota Kiedik
Prevention and control of nosocomial infections is one of the main pillars of security in each medical facility. This affects the quality of services and helps to minimize the economic losses incurred as a result of such infections. (Prolonged hospitalization, expensive antibiotic therapies, court costs of damages). Nosocomial infections occur in every medical facility in the hospitals in terms of risk of infection compared to other medicinal entities are at greater risk of environmental (number of hospitalizations for one bed, the amount of disinfectants, etc...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28339615/viable-offspring-after-imaging-of-ca2-oscillations-and-visualization-of-the-cortical-reaction-in-mouse-eggs%C3%A2
#2
Yuhkoh Satouh, Kaori Nozawa, Kazuo Yamagata, Takao Fujimoto, Masahito Ikawa
During mammalian fertilization, egg Ca 2+ oscillations are known to play pivotal roles in triggering downstream events such as resumption of the cell cycle and the establishment of blocks to polyspermy. However, viable offspring have not been obtained after monitoring Ca 2+ oscillations, and their spatiotemporal links to subsequent events are still to be examined. Therefore, the development of imaging methods to avoid phototoxic damage while labeling these events is required. Here, we examined the usefulness of genetically encoded Ca 2+ indicators for optical imaging (GECOs), in combination with spinning-disk confocal imaging...
February 3, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28334260/implicating-abc-transporters-in-insecticide-resistance-research-strategies-and-a-decision-framework
#3
Ryan C Gott, Grace R Kunkel, Emily S Zobel, Brian R Lovett, David J Hawthorne
Pest insects damage crops, transmit diseases, and are household nuisances. Historically, they have been controlled with insecticides, but overuse often leads to resistance to one or more of these chemicals. Insects gain resistance to insecticides through behavioral, metabolic, genetic, and physical mechanisms. One frequently overlooked strategy is through the use of ATP-binding cassette (ABC) transporters. ABC transporters, present in all domains of life, perform natural excretory functions, thus the exploitation of these transporters to excrete insecticides and contribute to resistance is highly plausible...
February 28, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28332425/statistical-tool-to-detect-small-hearing-threshold-shifts
#4
Tron Vedul Tronstad
OBJECTIVE: The aim of this study is to present a new tool that can be used in the prevention of noise-induced hearing loss. Even in most countries where noise levels are well regulated, many workers are still exposed to high levels of noise and suffer from permanent threshold shifts. It is necessary to develop a new strategy to prevent such damage. METHOD: A statistical process control (SPC) scheme is presented that is able to detect both large and small hearing threshold shifts...
March 23, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28331445/negligible-oval-cell-proliferation-following-ischemia-reperfusion-injury-with-and-without-partial-hepatectomy
#5
Ek Khoon Tan, Maureen Shuh, Heather Francois-Vaughan, Jennifer A Sanders, Ari J Cohen
BACKGROUND: Hepatic oval cells proliferate to replace hepatocytes and restore liver function when hepatocyte proliferation is compromised or inadequate. Exposure to chemical carcinogens, severe liver steatosis, and partial hepatectomy has been used in animal models to demonstrate the role of oval cells in liver regeneration. Ischemia-reperfusion injury (IRI) causes hepatocellular damage and death in the absence of confounding chemical toxicity; however, oval cell induction by IRI has not been demonstrated in vivo...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/28324828/evaluation-of-dna-damage-and-physiological-responses-in-nile-tilapia-oreochromis-niloticus-linnaeus-1758-exposed-to-sub-lethal-diclofenac-dcf
#6
Pramod K Pandey, Malachy N O Ajima, Kundan Kumar, Nalini Poojary, Saurav Kumar
The frequent bioaccumulation of pharmaceuticals in the aquatic ecosystem has raised a concern about their possible ecotoxicological consequences. DNA damage, haematological changes and activities of oxidative stress enzymes in Nile tilapia, Oreochromis niloticus in response to diclofenac (DCF) exposure were investigated for up to 60 days at the concentrations of 0.17, 0.34 and 0.68mgL(-1) in the fish liver. Evaluation of genotoxic effects of the drug in the liver, using single-cell gel electrophoresis, showed DNA damage on exposure at the concentrations of 0...
March 8, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28319890/one-year-follow-up-of-clinical-metabolic-and-oxidative-stress-profile-of-morbid-obese-patients-after-laparoscopic-sleeve-gastrectomy-8-oxo-dg-as-a-clinical-marker
#7
Lidia Monzo-Beltran, Antonio Vazquez-Tarragón, Concha Cerdà, Paula Garcia-Perez, Antonio Iradi, Carlos Sánchez, Benjamin Climent, Carmen Tormos, Antonio Vázquez-Prado, Javier Girbés, Nuria Estáñ, Sebastián Blesa, Raquel Cortés, Felipe J Chaves, Guillermo T Sáez
Obesity has grown worldwide over the last few decades. In its different degrees, obesity is accompanied by many clinical and biochemical alterations reflecting the pathological condition of various body tissues. Among the mechanisms underlying the pathogenesis of obesity and associated complications, oxidative stress (OS) may be playing an important role. In the present study, we have characterized at systemic level the degree of OS status in a group of morbid obese patients (BMI>40kg/m(2)) at basal sate and its modulation during one year after bariatric surgery using the laparoscopic sleeve gastrectomy (LSG) technique...
February 14, 2017: Redox Biology
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
#8
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/28299486/the-influence-of-%C3%AE-tocopherol-on-serum-biochemical-markers-during-experimentally-induced-pleuritis-in-rats-exposed-to-dioxin
#9
Ireneusz Całkosiński, Kinga Gostomska-Pampuch, Jacek Majda, Anna Leśków, Maciej Janeczek, Oleg P Melnyk, Andrzej Gamian
Toxicity of dioxins is wide ranging. Amongst the organs, the liver is the most susceptible to damage by dioxins. Damage caused to liver cells results in promoting inflammatory processes. The aim of this work was to evaluate whether high doses of tocopherol will change the inflammatory response, monitored by biochemical indicators, by improving liver function in rats exposed to tetrachlorodibenzo-p-dioxin (TCDD). The study was conducted on a population of female Buffalo rats. The animals were divided into the following groups: Control Group A-representing physiological norms for the studied diagnostic indicators; Control Group B-subjects were administered a 1% ceragenin solution to induce pleuritis; Study Group 1-where rats were administered α-tocopherol acetate for 3 weeks, after which pleuritis was induced; Study Group 2-rats were administered a single dose of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), while 3 weeks later, pleuritis was induced; and Study Group 3-rats were administered a single dose of TCDD and next, were administered α-tocopherol acetate for 3 weeks, followed by pleuritis induction...
March 15, 2017: Inflammation
https://www.readbyqxmd.com/read/28294555/promise-and-peril-in-nanomedicine-the-challenges-and-needs-for-integrated-systems-biology-approaches-to-define-health-risk
#10
REVIEW
Sabina Halappanavar, Ulla Vogel, Hakan Wallin, Carole L Yauk
In the 1966s visionary film 'Fantastic Voyage' a submarine crew was shrunk to 100 nm in size and injected into the body of an injured scientist to repair his damaged brain. The movie (written by Harry Kleiner; directed by Richard Fleischer; novel by Isaac Asimov) drew attention to the potential power of engineered nanoscale structures and devices to construct, monitor, control, treat, and repair individual cells. Even more interesting was the fact that the film elegantly noted that the structure had to be miniaturized to a size that is not detected by the body's immune surveillance system, and highlighted the many physiological barriers that are encountered on the submarine's long journey to the target...
March 15, 2017: Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
https://www.readbyqxmd.com/read/28293701/diffusion-tensor-imaging-as-a-prognostic-biomarker-for-motor-recovery-and-rehabilitation-after-stroke
#11
REVIEW
Josep Puig, Gerard Blasco, Gottfried Schlaug, Cathy M Stinear, Pepus Daunis-I-Estadella, Carles Biarnes, Jaume Figueras, Joaquín Serena, Maria Hernández-Pérez, Angel Alberich-Bayarri, Mar Castellanos, David S Liebeskind, Andrew M Demchuk, Bijoy K Menon, Götz Thomalla, Kambiz Nael, Max Wintermark, Salvador Pedraza
PURPOSE: Despite improved acute treatment and new tools to facilitate recovery, most patients have motor deficits after stroke, often causing disability. However, motor impairment varies considerably among patients, and recovery in the acute/subacute phase is difficult to predict using clinical measures alone, particularly in severely impaired patients. Accurate early prediction of recovery would help rationalize rehabilitation goals and improve the design of trials testing strategies to facilitate recovery...
March 14, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28291710/measurement-of-dna-damage-in-peripheral-blood-by-the-%C3%AE-h2ax-assay-as-predictor-of-colorectal-cancer-risk
#12
Lina Zhao, David W Chang, Yilei Gong, Cathy Eng, Xifeng Wu
The detection of γ-H2AX focus is one of the most sensitive ways to monitor DNA double-strand breaks (DSBs). Although changes in γ-H2AX activity have been studied in tumor cells in colorectal cancer (CRC), changes in peripheral blood lymphocytes (PBLs) have not been examined previously. We hypothesize that higher levels of irradiation-induced γ-H2AX in PBLs may be associated with an elevated risk of colorectal cancer (CRC). In a case-control study, the baseline and ionizing radiation (IR)-induced γ-H2AX levels in PBLs from frequency-matched 320 untreated CRC patients and 320 controls were detected by a laser scanning cytometer-based immunocytochemical method...
March 6, 2017: DNA Repair
https://www.readbyqxmd.com/read/28290487/cardiac-autonomic-alteration-and-metabolic-syndrome-an-ambulatory-ecg-based-study-in-a-general-population
#13
Yan Ma, Ping-Huei Tseng, Andrew Ahn, Ming-Shiang Wu, Yi-Lwun Ho, Ming-Fong Chen, Chung-Kang Peng
Metabolic syndrome (MetS) has been associated with chronic damage to the cardiovascular system. This study aimed to evaluate early stage cardiac autonomic dysfunction with electrocardiography (ECG)-based measures in MetS subjects. During 2012-2013, 175 subjects with MetS and 226 healthy controls underwent ECG recordings of at least 4 hours starting in the morning with ambulatory one-lead ECG monitors. MetS was diagnosed using the criteria defined in the Adult Treatment Panel III, with a modification of waist circumference for Asians...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28287884/circulating-mirna29-family-expression-levels-in-patients-with-essential-hypertension-as-potential-markers-for-left-ventricular-hypertrophy
#14
Yuqing Huang, Songtao Tang, Cheng Huang, Jiyan Chen, Jie Li, Anping Cai, Yingqing Feng
OBJECTIVES: The role of microRNAs (miRs,miRNAs) in the pathogenesis of cardiovascular diseases such as hypertension, as well as their diagnostic potential, has recently attracted much attention. However, target-organ damage (TOD) of hypertension remains a substantial challenge due to the lack of specific biomarkers. The present study was undertaken to identify and validate the potential of circulating miRs as novel biomarkers for TOD. METHODS: We assessed the expression levels of miR-29a, miR-29b, and miR-29c in 54 patients with untreated essential hypertension and 30 healthy individuals...
2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28287581/culture-of-adult-transgenic-zebrafish-retinal-explants-for-live-cell-imaging-by-multiphoton-microscopy
#15
Manuela Lahne, Ryne A Gorsuch, Craig M Nelson, David R Hyde
An endogenous regeneration program is initiated by Müller glia in the adult zebrafish (Danio rerio) retina following neuronal damage and death. The Müller glia re-enter the cell cycle and produce neuronal progenitor cells that undergo subsequent rounds of cell divisions and differentiate into the lost neuronal cell types. Both Müller glia and neuronal progenitor cell nuclei replicate their DNA and undergo mitosis in distinct locations of the retina, i.e. they migrate between the basal Inner Nuclear Layer (INL) and the Outer Nuclear Layer (ONL), respectively, in a process described as Interkinetic Nuclear Migration (INM)...
February 24, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28287318/therapeutic-potential-of-nigella-sativa-oil-against-cyclophosphamide-induced-dna-damage-and-hepatotoxicity
#16
Muobarak J Tuorkey
Cyclophosphamide (Cy), a chemotherapeutic agent, is of great interest in the clinic due to its relatively high oncotoxic specificity. However, its usage is restricted due to its severe side effects, particularly hepatotoxicity. This study investigates the potential cytoprotective effect of Nigella sativa oil against the high toxic dose of Cy. 40 albino rats were randomly divided into 4 groups: control group, Cy group that received a single intraperitoneal dose of Cy (200 mg/kg), and Cy-treated groups with 50 and 200 mg/kg of Nigella sativa oil (NSO), for 15 days...
April 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28285656/relationships-of-insulin-like-growth-factor-1-its-binding-proteins-and-cardiometabolic-risk-in-hypertensive-perimenopausal-women
#17
Agnieszka Olszanecka, Aneta Dragan, Kalina Kawecka-Jaszcz, Danuta Fedak, Danuta Czarnecka
PURPOSE: During the transition from premenopause to postmenopause, many women experience weight gain and central fat deposition; therefore, we hypothesized that circulating growth factors can play a role in the pathogenesis of hypertension, metabolic syndrome, and subclinical organ damage in perimenopausal women. BASIC PROCEDURES: The study included 192 women aged 40 to 60years; 152 had newly diagnosed essential hypertension that had never been treated, and 40 were normotensive age-matched controls...
April 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28285438/cytomorphologic-parameters-in-monitoring-cytogenotoxic-effects-of-fertilizer-in-allium-cepa-l
#18
Sonam Verma, Alka Srivastava
The present investigation was done to assess cytomorphologic parameters as indicators of genotoxicity as it is a simpler method and could be suggested for rapid screening of the vast range of agrochemicals used all over the world. The excessive and indiscriminate use of agrochemicals is responsible for increasing the level of pollutants in the soil environment resulting in cellular and molecular damage to the plants. The cellular damage caused manifestation of the resulting oxidative stress due to pollutants which can go up to the level of DNA...
April 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28285432/a-low-dose-6-week-bovine-colostrum-supplementation-maintains-performance-and-attenuates-inflammatory-indices-following-a-loughborough-intermittent-shuttle-test-in-soccer-players
#19
Yiannis Kotsis, Anastasia Mikellidi, Cleopatra Aresti, Eleni Persia, Aristomenis Sotiropoulos, Demosthenes B Panagiotakos, Smaragdi Antonopoulou, Tzortzis Nomikos
PURPOSE: The aim of the study was to investigate the effect of a 6-week, low-dose bovine colostrum (BC) supplementation on exercise-induced muscle damage (EIMD) and performance decline in soccer players following the Loughborough Intermittent Shuttle Test (LIST) during a competitive season period. METHODS: In a double-blind, randomized, placebo-controlled design, two groups of soccer players were allocated to a 3.2 g/day of whey protein (WP, N = 8) or BC (N = 10) and performed a pre- and a post-supplementation LIST...
March 11, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28279225/allogenic-adipose-derived-stem-cell-therapy-overcomes-ischemia-induced-microvessel-rarefaction-in-the-myocardium-systems-biology-study
#20
Gemma Vilahur, Blanca Oñate, Judit Cubedo, Maria Teresa Béjar, Gemma Arderiu, Esther Peña, Laura Casaní, Manuel Gutiérrez, Antoni Capdevila, Guillem Pons-Lladó, Francesc Carreras, Alberto Hidalgo, Lina Badimon
BACKGROUND: Myocardial microvascular loss after myocardial infarction (MI) remains a therapeutic challenge. Autologous stem cell therapy was considered as an alternative; however, it has shown modest benefits due to the impairing effects of cardiovascular risk factors on stem cells. Allogenic adipose-derived stem cells (ASCs) may overcome such limitations, and because of their low immunogenicity and paracrine potential may be good candidates for cell therapy. In the present study we investigated the effects of allogenic ASCs and their released products on cardiac rarefaction post MI...
March 9, 2017: Stem Cell Research & Therapy
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