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https://www.readbyqxmd.com/read/28454368/anti-osteoclastic-agent-denosumab-for-a-giant-cell-tumor-of-the-bone-with-concurrent-paget-s-disease-a-case-report
#1
Takaaki Tanaka, John Slavin, Sue-Anne McLachlan, Peter Choong
Paget's disease of the bone may predispose the development of malignant bone tumors such as osteosarcoma. Giant cell tumor (GCT) as a consequence of Paget's disease is rare. Bone GCT is characterized by rapid growth, the destruction of bone, extension to the surrounding soft tissue and abnormal bone turnover caused by an abnormality of the receptor activator of nuclear factor-κB (RANK)-RANK ligand (RANKL) pathway. Denosumab is a RANK-RANKL inhibitor, which is used to treat osteoporosis and bone GCT. In the current study, a 60-year-old male presented with severe pain located between the right thigh and the knee...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454342/feasibility-and-antitumor-efficacy-in-vivo-of-simultaneously-targeting-glycolysis-glutaminolysis-and-fatty-acid-synthesis-using-lonidamine-6-diazo-5-oxo-l-norleucine-and-orlistat-in-colon-cancer
#2
Diana Cervantes-Madrid, Guadalupe Dominguez-Gomez, Aurora Gonzalez-Fierro, Enrique Perez-Cardenas, Lucia Taja-Chayeb, Catalina Trejo-Becerril, Alfonso Duenas-Gonzalez
The aim of the present study was to investigate in vivo the feasibility and efficacy of the combination of lonidamine (LND), 6-diazo-5-oxo-L-norleucine (DON) and orlistat to simultaneously target glycolysis, glutaminolysis and de novo synthesis of fatty acids, respectively. The doses of LND and DON used in humans were translated to mouse doses (77.7 mg/kg and 145.5 mg/kg, respectively) and orlistat was used at 240 mg/kg. Three schedules of LND, DON and orlistat at different doses were administered by intraperitoneal injection to BALB/c mice in a 21-day cycle (schedule 1: LND, 0...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454333/a-polysaccharide-component-from-strongylocentrotus-nudus-eggs-inhibited-hepatocellular-carcinoma-in-mice-by-activating-t-lymphocytes
#3
Min Zhang, Yang Liu, Jingwen Li, Mengyun Ke, Jie Yu, Jie Dou, Hui Wang, Changlin Zhou
A component purified from Strongylocentrotus nudus eggs on a diethylaminoethyl cellulose-52 chromatography column and eluted using a NaCl solution gradient (SEP-S), is a homogeneous polysaccharide of α-D-glucan with a reduced molecular weight of 9.33×10(5) Da, compared with that of S. nudus egg polysaccharide (SEP). In an in vivo antitumor assay of histocompatibility-22 hepatocellular carcinoma in tumor-bearing mice, the inhibitory rates at SEP-S doses of 5, 10 and 20 mg/kg/day were 38.8, 50.7 and 70.3%, respectively...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454280/imaging-findings-of-extraventricular-choroid-plexus-papillomas-a-study-of-10-cases
#4
Yuzhen Shi, Xiaoshuang Li, Xiao Chen, Yiming Xu, Genji Bo, Hao Zhou, Yongkang Liu, Guoxing Zhou, Zhongqiu Wang
Extraventricular choroid plexus papillomas (CPPs) are rare. In this study, we reveal the imaging findings of CPPs located in extraventricular sites. The imaging findings of 11 masses [10 masses on magnetic resonance imaging (MRI) and one mass on computed tomography (CT)] of extraventricular CPP in 10 patients were retrospectively observed. The mass site, size, contour, signal intensity, cystic or solid appearance, calcification, capsules, degree and pattern of enhancement, and hydrocephalus were evaluated based on CT or MRI...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454245/improving-contrast-enhancement-in-magnetic-resonance-imaging-using-5-aminolevulinic-acid-induced-protoporphyrin-ix-for-high-grade-gliomas
#5
Junkoh Yamamoto, Shingo Kakeda, Tetsuya Yoneda, Shun-Ichiro Ogura, Shohei Shimajiri, Tohru Tanaka, Yukunori Korogi, Shigeru Nishizawa
Magnetic resonance imaging (MRI) with a gadolinium-based contrast agent is the gold standard for high-grade gliomas (HGGs). The compound 5-aminolevulinic acid (5-ALA) undergoes a high rate of cellular uptake, particularly in cancer cells. In addition, fluorescence-guided resection with 5-ALA is widely used for imaging HGGs. 5-ALA is water soluble, while protoporphyrin IX (PpIX) is water insoluble. It was speculated whether converting from 5-ALA to PpIX may relatively increase intracellular water content, and consequently, might enhance the T2 signal intensity in HGG...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454186/distribution-and-clearance-of-blood-constituents-after-intracerebral-hemorrhage-in-rats-mechanisms-and-relevance-for-functional-outcomes
#6
Zhanyin Chen, Yuhang Liang, Fengjian Chen, Haifeng Lin, Yiyi Chen, Guolin He
Background and Objective To evaluate the impact of blood clearance mechanisms on neurologic damage and functional outcomes after intracerebral hemorrhage (ICH) in rats. Methods A rat model of ICH was established through pre-cannulation and injection of autologous arterial blood into the caudate nucleus. Blood was supplemented with 6-amino-caproic acid (a procoagulant), low-molecular-weight heparin (an anticoagulant), or vehicle. Relationships between hematoma volume and edema size and neurologic damage were assessed at different times...
April 28, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28454123/sensitivity-and-specificity-of-the-modified-balance-error-scoring-system-in-concussed-collegiate-student-athletes
#7
Thomas A Buckley, Barry A Munkasy, Brandy P Clouse
OBJECTIVE: To assess the efficacy of the modified Balance Error Scoring System (mBESS) compared with the Balance Error Scoring System (BESS) in an acutely concussed population. DESIGN: Prospective observational study. SETTING: University athletic training room. PATIENTS: Thirty-five collegiate student-athletes (18 Female, 18.9 ± 0.8 year old, height: 1.71 ± 0.12 m, weight: 76.3 ± 24.1 kg) with diagnosed concussions and baseline BESS/mBESS tests...
April 27, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28454064/withaferin-a-a-steroidal-lactone-encapsulated-mannose-decorated-liposomes-ameliorates-rheumatoid-arthritis-by-intriguing-the-macrophage-repolarization-in-adjuvant-induced-arthritic-rats
#8
Farhath Sultana, Manoj Kumar Neog, MahaboobKhan Rasool
In order to develop a better therapeutic approach for the treatment of rheumatoid arthritis (RA), withaferin-A; a steroidal lactone incorporated with mannosylated liposomes (ML-WA) was administered to adjuvant induced arthritic rats in intent to target the synovial macrophages. The confocal microscopy studies showed a successful internalization of ML-WA in the primarily isolated synovial macrophages. Consequently, targeting synovial macrophages via ML-WA reduced the oxidative stress (ROS and NO), and paw edema, however, a progressive gain in the body weight was observed in AIA rats...
April 23, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28454047/use-of-light-emitting-diodes-leds-for-enhanced-lipid-production-in-micro-algae-based-biofuels
#9
Alifha Severes, Shashank Hegde, L D'Souza, Smitha Hegde
Microalgae are an alternative source for renewable energy to overcome the energy crises caused by exhaustion of fuel reserves. Algal biofuel technology demands a cost effective strategy for net profitable productivity. Inconsistent illumination intensities hinder microalgal growth. The light-utilizing efficiency of the cells is critical. Light scarcity leads to low production and high intensities cause photo-inhibition. We report effective usage of LEDs of different band wavelengths on the growth of microalgae in a closed, controlled environment to generate biomass and lipid yields...
April 20, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28454041/long-term-intake-of-a-high-protein-diet-increases-liver-triacylglycerol-deposition-pathways-and-hepatic-signs-of-injury-in-rats
#10
Rubén Díaz-Rúa, Jaap Keijer, Andreu Palou, Evert M van Schothorst, Paula Oliver
Intake of high-protein (HP) diets has increased over the last years, mainly due to their popularity for body weight control. Liver is the main organ handling ingested macronutrients and it is associated with the beginning of different pathologies. We aimed to deepen our knowledge on molecular pathways affected by long-term intake of an HP diet. We performed a transcriptome analysis on liver of rats chronically fed with a casein-rich HP diet and analyzed molecular parameters related to liver injury. Chronic increase in the dietary protein/carbohydrate ratio up-regulated processes related with amino acid uptake/metabolism and lipid synthesis, promoting a molecular environment indicative of hepatic triacylglycerol (TG) deposition...
April 19, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28454029/aerosol-contributions-at-an-urban-background-site-in-eastern-mediterranean-potential-source-regions-of-pahs-in-pm10-mass
#11
Konstantinos Dimitriou, Pavlos Kassomenos
In this paper, two backward air mass trajectory-based models (Potential Source Contribution Function [PSCF] and Concentration Weighted Trajectory [CWT]) were combined, aiming to identify sources and factors defining the load of PM in the city of Limassol (Cyprus). The study also focused on the determination of atmospheric pathways enriching the aerosol phase of four carcinogenic Polycyclic Aromatic Hydrocarbons (PAHs): Benzo(a)pyrene (BaP), Benzo(a)anthracene (BaA), Benzo(b)fluoranthene (BbF) and Benzo(k)fluoranthene (BkF), in PM10 mass...
April 25, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28454015/air-pollution-characteristics-and-health-risks-in-henan-province-china
#12
Fuzhen Shen, Xinlei Ge, Jianlin Hu, Dongyang Nie, Li Tian, Mindong Chen
Events of severe air pollution occurred frequently in China recently, thus understanding of the air pollution characteristics and its health risks is very important. In this work, we analyzed a two-year dataset (March 2014 - February 2016) including daily concentrations of six criteria pollutants (PM2.5, PM10, CO, SO2, NO2, and O3) from 18 cities in Henan province. Results reveal the serious air pollution status in Henan province, especially the northern part, and Zhengzhou is the city with the worst air quality...
April 25, 2017: Environmental Research
https://www.readbyqxmd.com/read/28454000/models-describing-metronidazole-pharmacokinetics-in-relation-to-hemodynamics-in-turkeys
#13
Tomasz Grabowski, Urszula Pasławska, Błażej Poźniak, Marcin Świtała
Linking haemodynamic (HD) and pharmacokinetic (PK) parameters provides much insight into interrelations between circulatory system and drug disposition. This effect is particularly pronounced in rapidly growing animals. Heart rate (HR), cardiac output (CO) and stroke volume (SV) are tightly linked with the animal's age and correlate with the increasing body weight (BW). The aim of this study was to establish and validate the relations between BW, HD and chosen PK parameters of metronidazole (MTZ) and its metabolite - hydroxymetronidazole (MTZ-OH) in growing turkeys...
March 25, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28453989/recovery-of-lithium-from-the-effluent-obtained-in-the-process-of-spent-lithium-ion-batteries-recycling
#14
Xueyi Guo, Xiao Cao, Guoyong Huang, Qinghua Tian, Hongyu Sun
A novel process of lithium recovery as lithium ion sieve from the effluent obtained in the process of spent lithium-ion batteries recycling is developed. Through a two-stage precipitation process using Na2CO3 and Na3PO4 as precipitants, lithium is recovered as raw Li2CO3 and pure Li3PO4, respectively. Under the best reaction condition (both the amounts of Na2CO3 and Li3PO4vs. the theoretical ones are about 1.1), the corresponding recovery rates of lithium (calculated based on the concentration of the previous stage) are 74...
April 25, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28453956/molecular-imaging-of-activated-platelets-via-antibody-targeted-ultra-small-iron-oxide-nanoparticles-displaying-unique-dual-mri-contrast
#15
Hang T Ta, Zhen Li, Christoph E Hagemeyer, Gary Cowin, Shaohua Zhang, Jathushan Palasubramaniam, Karen Alt, Xiaowei Wang, Karlheinz Peter, Andrew K Whittaker
Magnetic resonance imaging (MRI) is a powerful and indispensable tool in medical research, clinical diagnosis, and patient care due to its high spatial resolution and non-limited penetration depth. The simultaneous use of positive and negative MRI imaging that employs the same contrast agents will significantly improve detection accuracy. Here we report the development of functional multimodal iron oxide nanoparticles for targeted MRI of atherothrombosis using a combination of chemical and biological conjugation techniques...
April 22, 2017: Biomaterials
https://www.readbyqxmd.com/read/28453880/predicting-postnatal-renal-function-of-prenatally-detected-posterior-urethral-valves-using-fetal-diffusion-weighted-magnetic-resonance-imaging-with-apparent-diffusion-coefficient-determination
#16
Alice Faure, Nicoleta Panait, Michel Panuel, Pierre Alessandrini, Claude D'Ercole, Kathia Chaumoitre, Thierry Merrot
METHODS: Between 2003 and 2014, 11 MRI were performed on fetuses (between 28-32 weeks) in whom second trimester sonography suggested severe bilateral urinary tract anomalies, suspected of PUV. RESULTS: The ADC of the 11 fetuses ranged from 1.3 to 2.86 mm2 s - 1 (median = 1.79 mm2s - 1, normal range for fetal kidney: 1.1-1.8). Two pregnancies with ADC > 2.6 mm2s - 1 were interrupted; the autopsy confirmed PUV and Potter syndrome. For the remaining nine babies, the follow-up was 5...
April 28, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28453783/sleep-related-breathing-disorders-in-chiari-malformation-type-1-a-prospective-study-of-90-patients
#17
Álex Ferré, Maria A Poca, Maria D de la Calzada, Dulce Moncho, Odile Romero, Gabriel Sampol, Juan Sahuquillo
Study objective: The aim of the present study is to describe the prevalence of sleep disorders in a large group of patients with Chiari malformation type 1 (CM-1) and determine the presence of risk factors associated with these abnormalities. Methods: Prospective study with consecutive patient selection. We included 90 adult patients with CM-1, defined by the presence of a cerebellar tonsillar descent (TD) ≥3mm. Clinical, neuroradiological studies and nocturnal polysomnography (PSG) was carried out...
April 27, 2017: Sleep
https://www.readbyqxmd.com/read/28453759/randomised-double-blind-placebo-controlled-trial-of-ccr9-targeted-leukapheresis-treatment-of-ulcerative-colitis-patients
#18
Michael Eberhardson, Per Karlén, Ludvig Linton, Petra Jones, Annelie Lindberg, Martina Jones Kostalla, Emma Lindh, Anders Odén, Hans Glise, Ola Winqvist
Background and Aims: Ulcerative colitis patients display increased numbers of circulating pro-inflammatory monocyte human leukocyte antigen-DR [HLA-DRhi] monocytes expressing high levels of the gut-homing C-C chemokine receptor 9 [CCR9] and tumour necrosis factor [TNF]-α. The aim of this first-in-human, double-blind, randomised, placebo-controlled trial was to evaluate selective removal of circulating CCR9-expressing monocytes by leukapheresis in patients with moderate to severe ulcerative colitis, with regards to safety, tolerability, and immunological response...
May 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28453757/incidence-and-phenotype-at-diagnosis-of-very-early-onset-compared-with-later-onset-paediatric-inflammatory-bowel-disease-a-population-based-study-1988-2011
#19
E Bequet, H Sarter, M Fumery, F Vasseur, L Armengol-Debeir, B Pariente, D Ley, C Spyckerelle, H Coevoet, J E Laberenne, L Peyrin-Biroulet, G Savoye, D Turck, C Gower-Rousseau
Background and Aims: Very-early-onset inflammatory bowel disease [VEO-IBD] is a form of IBD that is distinct from that of children with an older onset. We compared changes over time in the incidence and phenotype at diagnosis between two groups according to age at IBD diagnosis: VEO-IBD diagnosed before the age of 6 years, and early-onset IBD [EO-IBD] diagnosed between 6 and 16 years of age. Methods: Data were obtained from a cohort enrolled in a prospective French population-based registry from 1988 to 2011...
May 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28453754/once-versus-twice-daily-mesalazine-to-induce-remission-in-paediatric-ulcerative-colitis-a-randomised-controlled-trial
#20
Dan Turner, Baruch Yerushalmi, Michal Kori, Efrat Broide, Yael Mozer-Glassberg, Ron Shaoul, Kaija-Leena Kolho, Eyal Shteyer, Hussein Shamaly, Oren Ledder, Shlomi Cohen, Sarit Peleg, Avi On, Arie Levine
Background: Trials in adults suggested that, in ulcerative colitis [UC], once-daily [OD] dosing of 5-ASA [5-amino salicylic acid] may be as or more effective than twice-daily [BD] dosing. In this induction of remission, investigator-blinded, randomised controlled-trial, we aimed to compare effectiveness and safety of once- versus twice-daily mesalazine in paediatric UC. Methods: Children, aged 4-18 years with a PUCAI [Paediatric Ulcerative Colitis Activity Index] of 10-55 points at inclusion, were randomised in blocks of six with blinded allocation to OD or BD mesalazine, using a weight-based dosing table...
May 1, 2017: Journal of Crohn's & Colitis
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