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https://www.readbyqxmd.com/read/28088378/antimicrobial-coated-implants-in-trauma-and-orthopaedics-a-clinical-review-and-risk-benefit-analysis
#1
REVIEW
Volker Alt
Implant-associated infections remain a major issue in orthopaedics and antimicrobial functionalization of the implant surface by antibiotics or other anti-infective agents have gained interest. The goal of this article is to identify antimicrobial coatings, for which clinical data are available and to review their clinical need, safety profile, and their efficacy to reduce infection rates. PubMed database of the National Library of Medicine was searched for clinical studies on antimicrobial coated implants for internal fracture fixation devices and endoprostheses for bone surgery, for which study design, level of evidence, biocompatibility, development of resistance, and effectiveness to reduce infection rates were analyzed...
December 21, 2016: Injury
https://www.readbyqxmd.com/read/28088251/lucerastat-an-iminosugar-with-potential-as-substrate-reduction-therapy-for-glycolipid-storage-disorders-safety-tolerability-and-pharmacokinetics-in-healthy-subjects
#2
N Guérard, O Morand, J Dingemanse
BACKGROUND: Lucerastat, an inhibitor of glucosylceramide synthase, has the potential to restore the balance between synthesis and degradation of glycosphingolipids in glycolipid storage disorders such as Gaucher disease and Fabry disease. The safety, tolerability, and pharmacokinetics of oral lucerastat were evaluated in two separate randomized, double-blind, placebo-controlled, single- and multiple-ascending dose studies (SAD and MAD, respectively) in healthy male subjects. METHODS: In the SAD study, 31 subjects received placebo or a single oral dose of 100, 300, 500, or 1000 mg lucerastat...
January 14, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28088113/modulatory-effect-of-vanillic-acid-on-antioxidant-status-in-high-fat-diet-induced-changes-in-diabetic-hypertensive-rats
#3
Kolanji Vinothiya, Natarajan Ashokkumar
The worldwide incidence of diabetes has increased dramatically along with widespread lifestyle and dietary changes. Diets high in fat are strongly associated with the development of obesity and can induce insulin resistance in humans and animals. It is clear that obesity constitutes a risk factor for contributing to the development of type 2 diabetes. In the present study, we investigated the therapeutic potential action of vanillic acid on diabetes associated complications using a rat model. Rats were made diabetic hypertensive by high fat diet (HFD) for 20 weeks and were treated with vanillic acid (50mg/kg bw) for last 8 weeks...
January 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28087365/parasite-induced-increases-in-the-energy-costs-of-movement-of-host-freshwater-fish
#4
Ondřej Slavík, Pavel Horký, Karel Douda, Josef Velíšek, Jitka Kolářová, Pavel Lepič
Parasitization by the larvae (glochidia) of freshwater mussels can cause harm to a fish's gills, resulting in less effective respiration and/or reduced activity by the host fish. The impact of glochidia infections on the host's physiology remains poorly understood, and no information is available concerning energy consumption in parasitized fish. Hence, we obtained glochidia of the invasive unionid mussel Sinanodonta (Anodonta) woodiana and experimentally infected common carp, Cyprinus carpio, tagged with physiological sensors to measure energy consumption...
January 10, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28086854/in-vitro-assessment-of-hepatoprotective-agents-against-damage-induced-by-acetaminophen-and-ccl4
#5
Liliana Torres González, Noemí Waksman Minsky, Linda Elsa Muñoz Espinosa, Ricardo Salazar Aranda, Jonathan Pérez Meseguer, Paula Cordero Pérez
BACKGROUND: In vitro bioassays are important in the evaluation of plants with possible hepatoprotective effects. The aims of this study were to evaluate the pretreatment of HepG2 cells with hepatoprotective agents against the damage induced by carbon tetrachloride (CCl4) and paracetamol (APAP). METHODS: Antioxidative activity was measured using an assay to measure 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging. The in vitro hepatotoxicity of CCl4 and APAP, and the cytotoxic and hepatoprotective properties of silymarin (SLM), silybinin (SLB), and silyphos (SLP) were evaluated by measuring cell viability; activities of aspartate aminotransferase (AST), alanine aminotransferase (ALT), and lactate dehydrogenase (LDH); total antioxidant capacity (TAOxC); and reduced glutathione (GSH), superoxide dismutase (SOD), and lipid peroxidation (malondialdehyde (MDA) levels)...
January 13, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28086800/relevance-of-fxr-p62-sqstm1-pathway-for-survival-and-protection-of-mouse-hepatocytes-and-liver-especially-with-steatosis
#6
Sanae Haga, Yimin, Michitaka Ozaki
BACKGROUND: Liver injury and regeneration involve complicated processes and are affected by various physio-pathological conditions. Surgically, severe liver injury after surgical resection often leads to fatal liver failure, especially with some underlying pathological conditions such as steatosis. Therefore, protection from the injury of hepatocytes and liver is a serious concern in various clinical settings. METHODS: We studied the effects of the farnesoid X receptor (FXR) on cell survival and steatosis in mouse hepatocytes (AML12 mouse liver cells) and investigated their molecular mechanisms...
January 13, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28086768/probiotic-mixture-improves-fatty-liver-disease-by-virtue-of-its-action-on-lipid-profiles-leptin-and-inflammatory-biomarkers
#7
Hessah Mohammed Al-Muzafar, Kamal Adel Amin
BACKGROUND: A high fat diet has an essential role in the pathogenesis of non-alcoholic fatty liver disease (NAFLD). This condition is characterized by hepatic fat accumulation (steatosis) and is associated with obesity, diabetes, and fibrosis or cirrhosis of the liver. Probiotics may be useful in the treatment of steatosis. This study examined the effects of an ingested probiotic formulation on the lipid profiles, liver functions, leptin levels, and inflammatory marker levels of rats with NAFLD that had been induced via high fat and sucrose diet (HFSD)...
January 13, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28081342/exploring-cyp2b6-activity-by-measuring-the-presence-ofnevirapine-hydroxy-metabolites-in-plasma
#8
Suzana Mustafa, Norul Badriah Hassan, Soo Choon Tan, Ahmad Kashfi Ab Rahman, Lee Lee Low, Wan Nazirah Wan Yusuf
BACKGROUND/AIM: Nevirapine is a reverse-transcriptase inhibitor widely used in combination therapy to treat HIV infection. Nevirapine is extensively metabolized in the liver and CYP2B6 is mainly responsible for oxidation of 3-hydroxynevirapine (3-OH NVP). This study aims to explore CYP2B6 activity by measuring 2-hydroxynevirapine (2-OH NVP) and 3-OH NVP in plasma and to identify factors associated with nevirapine pharmacokinetic parameters. MATERIALS AND METHODS: A total of 112 patients were recruited and treated with nevirapine-based antiretroviral therapy...
December 20, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28078847/real-time-shear-wave-elastrography-and-apri-index-for-evaluating-autoimmune-hepatitis-fibrosis
#9
L L Sun, G Dong, B Wang, Q Zheng, S Wang, R F Zhang
The objective of this study was to investigate the significance of real-time supersonic shear imaging (SSI) and serum biochemical index in evaluating the degree of autoimmune hepatitis fibrosis. Retrospective analysis was carried out to study 291 cases of patients with autoimmune hepatitis, and discuss the value of SSI application, APRI index and bilirubin on autoimmune hepatitis. The area under the receiver operating characteristic curve (AUROC) was taken for statistical analysis to determine its diagnostic accuracy...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28076501/evaluating-the-best-time-to-intervene-acute-liver-failure-in-rat-models-induced-by-d-galactosamine
#10
Lígia Patrícia de Carvalho Batista Éboli, Alcides Augusto Salzedas Netto, Ramiro Antero de Azevedo, Valéria Pereira Lanzoni, Tatiana Sugayama de Paula, Alberto Goldenberg, Adriano Miziara Gonzalez
PURPOSE: To describe an animal model for acute liver failure by intraperitoneal d-galactosamine injections in rats and to define when is the best time to intervene through King's College and Clichy´s criteria evaluation. METHODS: Sixty-one Wistar female rats were distributed into three groups: group 1 (11 rats received 1.4 g/kg of d-galactosamine intraperitoneally and were observed until they died); group 2 (44 rats received a dose of 1.4 g/kg of d-galactosamine and blood and histological samples were collected for analysis at 12 , 24, 48 , 72 and 120 hours after the injection); and the control group as well (6 rats) ...
December 2016: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28075549/solvent-morphology-property-relationship-of-ptb7-pc71bm-polymer-solar-cells
#11
Shuai Guo, Weijia Wang, Eva M Herzig, Anna Naumann, Gregory Tainter, Jan Perlich, Peter Muller-Buschbaum
The influence of three different solvents and a solvent additive on the morphology and photovoltaic performance of bulk heterojunction films made of the copolymer based on thieno[3,4-b]thiophene-alt-benzodithiophene unit PTB7-F40 blended with [6,6]-phenyl-C71-butyric acid methyl ester (PC71BM) is investigated. Optical microscopy and atomic force microscopy (AFM) are combined with X-ray reflectivity (XRR) and grazing incidence small and wide angle X-ray scattering (GISAXS and GIWAXS) enabling the characterization of the morphology of the whole photoactive film...
January 11, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28074540/complications-of-percutaneous-liver-biopsy-with-klatskin-needles-a-36-year-single-centre-experience
#12
V Takyar, O Etzion, T Heller, D E Kleiner, Y Rotman, M G Ghany, N Fryzek, V H Williams, E Rivera, S Auh, T J Liang, J H Hoofnagle, C Koh
BACKGROUND: Liver biopsy is the gold standard in evaluating liver diseases but is susceptible to complications. Safety data on aspiration needle biopsies remain limited. AIM: To evaluate the safety of percutaneous liver biopsy performed with Klatskin needle. METHODS: Clinical and biochemical data were retrospectively retrieved from sequential subjects who underwent liver biopsy with Klatskin needle from 1978 to 2015. Subjects with complications underwent thorough chart reviews for hospital course...
January 10, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28073414/-protective-effect-of-saccharomyces-boulardii-against-intestinal-mucosal-barrier-injury-in-rats-with-nonalcoholic-fatty-liver-disease
#13
Y T Liu, Y Q Li, Y Z Wang
Objective: To investigate the protective effect of Saccharomyces boulardii against intestinal mucosal barrier injury in rats with nonalcoholic fatty liver disease (NAFLD). Methods: A total of 36 healthy male Sprague-Dawley rats with a mean body weight of 180±20 g were randomly divided into control group, model group, and treatment group, with 12 rats in each group, after adaptive feeding for 1 week. The rats in the control group were given basic feed, and those in the model group and treatment group were given high-fat feed...
December 20, 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/28072821/maysin-and-its-flavonoid-derivative-from-centipedegrass-attenuates-amyloid-plaques-by-inducting-humoral-immune-response-with-th2-skewed-cytokine-response-in-the-tg-appswe-ps1de9-alzheimer-s-mouse-model
#14
Yuno Song, Hong-Duck Kim, Min-Kwon Lee, Il-Hwa Hong, Chung-Kil Won, Hyoung-Woo Bai, Seung Sik Lee, SungBeom Lee, Byung Yeoup Chung, Jae-Hyeon Cho
Alzheimer's disease (AD) is a slow, progressive neurodegenerative disease and the most common type of dementia in the elderly. The etiology of AD and its underlying mechanism are still not clear. In a previous study, we found that an ethyl acetate extract of Centipedegrass (CG) (i.e., EA-CG) contained 4 types of Maysin derivatives, including Luteolin, Isoorientin, Rhamnosylisoorientin, and Derhamnosylmaysin, and showed protective effects against Amyloid beta (Aβ) by inhibiting oligomeric Aβ in cellular and in vitro models...
2017: PloS One
https://www.readbyqxmd.com/read/28071871/harmonization-of-mangiferin-on-methylmercury-engendered-mitochondrial-dysfunction
#15
Shubhankar Das, Ajanta Paul, Kamalesh D Mumbrekar, Satish B S Rao
Mangiferin (MGN), a C-glucosylxanthone abundantly found in mango plants, was studied for its potential to ameliorate methylmercury (MeHg) induced mitochondrial damage in HepG2 (human hepatocarcinoma) cell line. Cell viability experiments performed using 3-[4,5-dimethylthiazol-2-yl]-2,5- diphenyltetrazolium bromide (MTT) showed protective property of MGN in annulling MeHg-induced cytotoxicity. Conditioning the cells with optimal dose of MGN (50 µM) lowered MeHg-induced oxidative stress, calcium influx/efflux, depletion of mitochondrial trans-membrane potential and prevented mitochondrial fission as observed by decrease in Mitotracker red fluorescence, expression of pDRP1 (serine 616), and DRP1 levels...
February 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28071525/additive-toxic-effect-of-deltamethrin-and-cadmium-on-hepatic-hematological-and-immunological-parameters-in-mice
#16
Hasibur Rehman, Al Thbiani Aziz, Shalini Saggu, Adam L VanWert, Nahla Zidan, Sundeep Saggu
Exposure to natural and man-made environmental toxins concurrently can pose a greater threat to multiple organs. In the present work, we investigated interactions between deltamethrin (DM) and cadmium (Cd), whose mechanisms of action in humans are poorly understood. Albino mice were randomly divided into four groups, each containing six mice: saline as control, DM-treated, cadmium chloride (CdCl2)-treated, and CdCl2 plus DM treated. After 2 weeks of treatment biochemical and hematological effects, total leukocyte count (TLC), differential leukocyte count, humoral-mediated immune responses, and histopathological studies were conducted...
January 1, 2017: Toxicology and Industrial Health
https://www.readbyqxmd.com/read/28070766/radiofrequency-ablation-combined-with-transarterial-chemoembolization-versus-hepatectomy-for-patients-with-hepatocellular-carcinoma-within-milan-criteria-a-retrospective-case-control-study
#17
A K Bholee, K Peng, Z Zhou, J Chen, L Xu, Y Zhang, M Chen
PROPOSAL: To compare the effectiveness of TACE + RFA with hepatectomy in patients with HCC within Milan criteria. METHODS: It is a retrospective matched case-control study from January 2006 to December 2010 in a tertiary cancer center. 74 patients with HCC within Milan criteria initially treated with TACE + RFA were identified and compared with 148 matched controls selected from a pool of 782 patients who received hepatectomy. Patients were matched with respect to age, gender, tumor size and number, AFP and liver function test...
January 9, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28070199/performance-and-utility-of-transient-elastography-and-non-invasive-markers-of-liver-fiibrosis-in-patients-with-autoimmune-hepatitis-a-single-centre-experience
#18
Olympia E Anastasiou, Matthias Büchter, Hideo A Baba, Johannes Korth, Ali Canbay, Guido Gerken, Alisan Kahraman
OBJECTIVES: Autoimmune hepatitis (AIH) is a relatively rare cause of hepatic dysfunction, which can lead to acute liver failure (ALV) and cirrhosis if not treated. The performance of transient elastography (TE) compared to liver biopsy has been evaluated in many liver diseases. The aim of the present study was to evaluate the performance of TE and other non-invasive markers for liver fiibrosis in patients with biopsy-proven AIH. METHODS: Fifty-three patients who were treated at the department of gastroenterology and hepatology of the University Clinic Essen from 2008 to 2013 included in this retrospective study...
November 2016: Hepatitis Monthly
https://www.readbyqxmd.com/read/28070111/a-monkey-model-of-acetaminophen-induced-hepatotoxicity-phenotypic-similarity-to-human
#19
Satoshi Tamai, Takuma Iguchi, Noriyo Niino, Kei Mikamoto, Ken Sakurai, Ayako Sayama, Hitomi Shimoda, Wataru Takasaki, Kazuhiko Mori
Species-specific differences in the hepatotoxicity of acetaminophen (APAP) have been shown. To establish a monkey model of APAP-induced hepatotoxicity, which has not been previously reported, APAP at doses up to 2,000 mg/kg was administered orally to fasting male and female cynomolgus monkeys (n = 3-5/group) pretreated intravenously with or without 300 mg/kg of the glutathione biosynthesis inhibitor, L-buthionine-(S,R)-sulfoximine (BSO). In all the animals, APAP at 2,000 mg/kg with BSO but not without BSO induced hepatotoxicity, which was characterized histopathologically by centrilobular necrosis and vacuolation of hepatocytes...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28067972/single-innervated-segmented-vastus-lateralis-for-midfacial-reanimation-during-radical-parotidectomy
#20
Lauren Sh Chong, Timothy J Eviston, Bruce Ashford, Ardalan Ebrahami, Jonathan R Clark
BACKGROUND: Innervated free muscle transfer using the gracilis muscle or temporalis myoplasty has been successfully utilized for facial reanimation in chronic facial palsy. These techniques are less suited to immediate facial reconstruction in the setting of radical parotidectomy, in which the complexity of the defect, patient age, postoperative radiotherapy, and limited life expectancy pose particular challenges. METHODS: We present a novel description of the use of a chimeric anterolateral thigh (ALT) flap and innervated vastus lateralis to achieve midface static suspension and dynamic reanimation in the setting of radical parotidectomy...
January 9, 2017: Head & Neck
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