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https://www.readbyqxmd.com/read/28340239/hypertension-in-dialysis-patients-a-consensus-document-by-the-european-renal-and-cardiovascular-medicine-eureca-m-working-group-of-the-european-renal-association-european-dialysis-and-transplant-association-era-edta-and-the-hypertension-and-the-kidney-working
#1
Pantelis A Sarafidis, Alexandre Persu, Rajiv Agarwal, Michel Burnier, Peter de Leeuw, Charles J Ferro, Jean-Michel Halimi, Gunnar H Heine, Michel Jadoul, Faical Jarraya, Mehmet Kanbay, Francesca Mallamaci, Patrick B Mark, Alberto Ortiz, Gianfranco Parati, Roberto Pontremoli, Patrick Rossignol, Luis Ruilope, Patricia Van der Niepen, Raymond Vanholder, Marianne C Verhaar, Andrzej Wiecek, Gregoire Wuerzner, Gérard M London, Carmine Zoccali
In patients with end-stage renal disease (ESRD) treated with haemodialysis or peritoneal dialysis, hypertension is common and often poorly controlled. Blood pressure (BP) recordings obtained before or after haemodialysis display a J- or U-shaped association with cardiovascular events and survival, but this most likely reflects the low accuracy of these measurements and the peculiar haemodynamic setting related to dialysis treatment. Elevated BP detected by home or ambulatory BP monitoring is clearly associated with shorter survival...
March 13, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339949/bone-biopsy-practice-patterns-across-europe-the-european-renal-osteodystrophy-initiative-a-position-paper
#2
Pieter Evenepoel, Patrick D'Haese, Justine Bacchetta, Jorge Cannata-Andia, Anibal Ferreira, Mathias Haarhaus, Sandro Mazzaferro, Marie-Helene Lafage Proust, Syazrah Salam, Goce Spasovski, Mario Cozzolino
Renal osteodystrophy (ROD) is a heterogeneous group of metabolic bone diseases complicating progressive chronic kidney disease (CKD). Bone biomarkers and bone imaging techniques may help to assess bone health and predict fractures in CKD but do have important inherent limitations. By informing on bone turnover and mineralization, a bone biopsy may help to guide prevention and treatment of ROD and its consequences. According to a recent survey conducted among European nephrologists, bone biopsies are performed rather exceptionally, both for clinical and research purposes...
March 3, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28332864/effect-of-density-gradient-centrifugation-on-reactive-oxygen-species-in-human-semen
#3
Teppei Takeshima, Yasushi Yumura, Shinnosuke Kuroda, Takashi Kawahara, Hiroji Uemura, Akira Iwasaki
Density gradient centrifugation can separate motile sperm from immotile sperm and other cells for assisted reproduction, but may also remove antioxidants from seminal plasma, resulting in oxidative stress. Therefore, we investigated reactive oxygen species (ROS) concentrations and distribution in semen before and after density gradient centrifugation. We assessed semen volume, sperm concentration, sperm motility, and ROS levels before and after density gradient centrifugation (300 x g for 20 minutes) in 143 semen samples from 118 patients...
March 23, 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/28332030/molecular-cloning-expression-and-characterization-of-pectin-methylesterase-ctpme-from-clostridium-thermocellum
#4
Vikky Rajulapati, Arun Goyal
Many phytopathogenic micro-organisms such as bacteria and fungi produce pectin methylesterases (PME) during plant invasion. Plants and insects also produce PME to degrade plant cell wall. In the present study, a thermostable pectin methylesterase (CtPME) from Clostridium thermocellum belonging to family 8 carbohydrate esterase (CE8) was cloned, expressed and purified. The amino acid sequence of CtPME exhibited similarity with pectin methylesterase from Erwinia chrysanthemi with 38% identity. The gene encoding CtPME was cloned into pET28a(+) vector and expressed using Escherichia coli BL21(DE3) cells...
March 22, 2017: Molecular Biotechnology
https://www.readbyqxmd.com/read/28330755/microwave-assisted-modification-of-cellulose-by-gallic-acid-and-its-application-for-removal-of-aluminium-from-real-samples
#5
W I Mortada, I M M Kenawy, Y G Abou El-Reash, A A Mousa
Microwave assisted preparation of cellulose modified with Gallic acid (MA-Cell-GA) was developed for high efficient adsorption of Al(3+). The as-prepared modified cellulose has been characterized by elemental analysis, Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), transmission electron microscopy (TEM) and zeta potential measurements. Energy dispersive X-ray (EDX) spectrum was utilized to proof the adsorption of Al(3+). The effect of various experimental factors, as pH, amount of adsorbent, shaking time, initial metal ion concentration, temperature, concomitant ions and desorption conditions on the extraction efficiency was investigated and optimized in batch mode experiments...
March 19, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28330273/purification-and-characterization-of-polygalacturonase-from-aspergillus-fumigatus-mtcc-2584-and-elucidating-its-application-in-retting-of-crotalaria-juncea-fiber
#6
Gautam Anand, Sangeeta Yadav, Dinesh Yadav
Polygalacturonases represents an important member of pectinases group of enzymes with diverse industrial applications and is widely distributed among fungi, bacteria, yeasts, plants and some plant parasitic nematodes. An endo-polygalacturonase from a new fungal source Aspergillus fumigatus MTCC 2584 was produced under solid-state fermentation conditions and was purified simply by acetone precipitation and gel-filtration chromatography technique. The approximate molecular weight of the purified PG was found to be 43...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330255/ascorbyl-palmitate-synthesis-in-an-organic-solvent-system-using-a-celite-immobilized-commercial-lipase-lipolase-100l
#7
Shivika Sharma, Kriti Kanwar, Shamsher S Kanwar
Ascorbyl palmitate was synthesized using a Celite-immobilized commercial lipase (Lipolase 100L) in dimethylsulfoxide (DMSO) as an organic solvent system. Lipase immobilized by surface adsorption onto Celite 545 matrix and subsequently exposed to 1 % glutaraldehyde showed 75 % binding of protein. The Celite-bound lipase was optimally active at 75 °C and pH 8.5 under shaking and showed maximum hydrolytic activity toward p-NPP as a substrate. The bound lipase was found to be stimulated only in the presence of Al(3+) and EDTA...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330173/production-of-cellulase-from-aspergillus-terreus-ms105-on-crude-and-commercially-purified-substrates
#8
Muhammad Sohail, Aqeel Ahmad, Shakeel Ahmed Khan
Aspergillus terreus MS105 was originally isolated from soil and screened for cellulase production in the presence of various carbon sources including carboxymethyl cellulose (CMC), avicel, sigmacell, filter-paper and salicin. CMC induced the production of endoglucanase (EG) and filter-paperase while the levels of β-glucosidase (BGL) were increased when salicin was present in the medium. Nature of production medium influenced the duration of lag- and log-phase of the growth, rate of fungal dry-mass and enzyme production...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330122/production-purification-and-characterization-of-a-thermotolerant-alkaline-serine-protease-from-a-novel-species-bacillus-caseinilyticus
#9
Thirumala Mothe, Vishnuvardhan Reddy Sultanpuram
Alkaline proteases are important enzymes in many industrial applications, especially as additives in laundry detergent industry. Though there are a number of Bacillus species which are reported to be producing proteases, the efficiency of a protease produced by a novel strain has to be studied in comparison to the others. Hence, in this study, an alkaline serine protease produced by a novel species Bacillus caseinilyticus was purified and characterized for its possible usage in detergent industry. Ammonium sulphate, dialysis and DEAE column chromatographic methods were used for purification of the isolated alkaline protease...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28327292/edta-application-on-agricultural-soils-affects-microelement-uptake-of-plants
#10
Elke Bloem, Silvia Haneklaus, Robert Haensch, Ewald Schnug
Chelates such as ethylenediaminetetraacetic acid (EDTA) enter soils via various sources but their effect on agricultural crops is mostly unknown. Sources of EDTA include industry, households, sewage water and agricultural practices. In a field experiment EDTA was applied in its free form at different rates (0, 150, 550, 1050kgha(-1)) to study its translocation in the soil profile and to evaluate its effect on yield and mineral composition of the cultivated crop, both in the year of application (oilseed rape) and in the following year (winter wheat)...
January 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28324249/evaluation-of-organic-amendment-on-the-effect-of-cadmium-bioavailability-in-contaminated-soils-using-the-dgt-technique-and-traditional-methods
#11
EDITORIAL
Yu Yao, Qin Sun, Chao Wang, Pei-Fang Wang, Shi-Ming Ding
Organic amendments have been widely proposed as a remediation technology for metal-contaminated soils, but there exist controversial results on their effectiveness. In this study, the effect of pig manure addition on cadmium (Cd) bioavailability in Cd-contaminated soils was systematically evaluated by one dynamic, in situ technique of diffusive gradients in thin films (DGT) and four traditional methods based on the equilibrium theory (soil solution concentration and the three commonly used extractants, i.e...
March 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28323389/atomic-force-microscopy-in-the-production-of-a-biovital-skin-graft-based-on-human-acellular-dermal-matrix-produced-in-house-and-in-vitro-cultured-human-fibroblasts
#12
Wojciech Łabuś, Justyna Glik, Agnieszka Klama-Baryła, Diana Kitala, Małgorzata Kraut, Mariusz Maj, Mariusz Nowak, Marcelina Misiuga, Andrzej Marcinkowski, Barbara Trzebicka, Ryszard Poloczek, Marek Kawecki
The most efficient method in III° burn treatment is the use of the autologous split thickness skin grafts that were donated from undamaged body area. The main limitation of this method is lack of suitable donor sites. Tissue engineering is a useful tool to solve this problem. The goal of this study was to find the most efficient way of producing biovital skin substitute based on in house produced acellular dermal matrix ADM and in vitro cultured fibroblasts. Sixty samples of sterilized human allogeneic skin (that came from 10 different donors) were used to examine the influence of decellularizing substances on extracellular matrix and clinical usefulness of the test samples of allogeneic human dermis...
March 21, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28321699/magnetic-edta-functionalized-cofe2o4-nanoparticles-edta-cofe2o4-as-a-novel-catalyst-for-peroxymonosulfate-activation-and-degradation-of-orange-g
#13
Lin Deng, Zhou Shi, Zhiyan Zou, Shiqing Zhou
EDTA functionalized CoFe2O4 nanoparticles (EDTA-CoFe2O4) synthesized using a facile one-pot solvothermal method were employed as catalysts to activate peroxymonosulfate (PMS) with Orange G (OG) as the target pollutant. Effects of operating parameters including initial solution pH, catalyst dosage, PMS dosage, and water matrix components such as Cl(-), NO3(-), CO3(2-), and humic acid were evaluated. A degradation efficiency of 93% was achieved in 15 min with 1 mM PMS and 0.2 g/L EDTA-CoFe2O4 catalyst, while only 57% of OG was degraded within 15 min in CoFe2O4/PMS system...
March 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28321119/notch1-mutated-chronic-lymphocytic-leukemia-cells-are-characterized-by-a-myc-related-overexpression-of-nucleophosmin-1-and-ribosome-associated-components
#14
F Pozzo, T Bittolo, E Vendramini, R Bomben, P Bulian, F M Rossi, A Zucchetto, E Tissino, M Degan, G D'Arena, F Di Raimondo, F Zaja, G Pozzato, D Rossi, G Gaidano, G Del Poeta, V Gattei, M Dal Bo
In chronic lymphocytic leukemia (CLL), the mechanisms controlling cell growth and proliferation in presence of NOTCH1 mutations remain largely unexplored. By performing a gene expression profile of NOTCH1 mutated (NOTCH1-mut) versus NOTCH1 wild type CLL, we identified a gene signature of NOTCH1-mut CLL characterized by upregulation of genes related to ribosome biogenesis, such as nucleophosmin1 (NPM1) and ribosomal proteins (RNPs). Activation of NOTCH1 signaling by EDTA or by co-culture with JAGGED1-expressing stromal cells increased NPM1 expression, and inhibition of NOTCH1 signaling by either NOTCH1-specific small interfering RNA (siRNA) or γ-secretase inhibitor reduced NPM1 expression...
March 21, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28320102/evaluation-of-iron-chelating-and-antioxidant-potential-of-epilobium-hirsutum-for-the-management-of-iron-overload-disease
#15
N A Sheikh, T R Desai, P R Tirgar
The present study deals with the investigation of iron chelating and antioxidant potential of Epilobium hirsutum in iron-overloaded rats. Iron overload was induced by 6 IP injections of Iron dextran (12.5mg/100g) administered uniformly over a period of 30 days. Different fractions of E. hirsutum were given orally and deferoxamine (DFO) subcutaneously for 30 days. The extent of iron chelation and various biochemical parameters were estimated on 15th and 30th day of treatment. In-vitro study was assessed by EDTA and DFO method; the results exhibited a dose-dependant iron chelation...
March 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28318697/how-do-low-doses-of-desferrioxamine-b-and-edta-affect-the-phytoextraction-of-metals-in-sunflower
#16
J Y Cornu, C Dépernet, C Garnier, V Lenoble, A Braud, T Lebeau
The aim of this study was to compare the efficiency of siderophore desferrioxamine B (DFOB) and EDTA in increasing the phytoextraction of metals in sunflower. A 28-day pot experiment was conducted in a metal-contaminated soil supplied with 200μmolkg(-1) of DFOB or EDTA. Pore water was collected and pseudo-polarographic analyses were conducted to assess the impact of the two chelators on the mobility and speciation of metals in the liquid phase. Our results showed that DFOB is not an efficient mobilizing agent of divalent metals in soil...
March 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28317454/comparison-of-methods-for-estimating-glomerular-filtration-rate-in-head-and-neck-cancer-patients-treated-with-cisplatin
#17
Lotte Lindberg, Kasper Brødbæk, Erik G Hägerström, Jens Bentzen, Bent Kristensen, Bo Zerahn
Cisplatin is a chemotherapeutic agent widely used in the treatment of various solid tumors. Cisplatin induces nephrotoxicity and may lead to long-term reduction of kidney function. Consequently, determination of glomerular filtration rate (GFR) is used to monitor potential kidney damage. This study aimed to compare two commonly used algorithms for estimating GFR (eGFR) from plasma creatinine (PCr) with (51)Cr-EDTA clearance (CrCl) as a reference method. This was a retrospective single center study of 94 head and neck cancer patients treated with cisplatin...
March 20, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28314262/the-histogenesis-of-the-third-pathway-of-colonic-carcinogenesis-in-rats
#18
Carlos A Rubio
BACKGROUND/AIM: Conventional (tubular or villous) adenomas, and the more recently described serrated adenomas, are non-invasive neoplasias that precede colon carcinomas in carcinogen-treated rats. In contrast, the histological steps antedating carcinomas in gut-associated lymphoid tissue (GALT) in rats, i.e. the third pathway of colonic carcinogenesis, remain unidentified. Aim of the study was to investigate the histological changes preceding colonic GALT carcinomas in Sprague-Dawley (SD) rats...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28314167/electrochemical-dna-biosensor-for-detection-of-dna-damage-induced-by-hydroxyl-radicals
#19
Andrea Hájková, Jiří Barek, Vlastimil Vyskočil
A simple electrochemical DNA biosensor based on a glassy carbon electrode (GCE) was prepared by adsorbing double-stranded DNA (dsDNA) onto the GCE surface and subsequently used for the detection of dsDNA damage induced by hydroxyl radicals. Investigation of the mutual interaction between hydroxyl radicals and dsDNA was conducted using a combination of several electrochemical detection techniques: square-wave voltammetry for direct monitoring the oxidation of dsDNA bases, and cyclic voltammetry and electrochemical impedance spectroscopy as indirect electrochemical methods making use of the redox-active indicator [Fe(CN)6](4-/3-)...
March 1, 2017: Bioelectrochemistry
https://www.readbyqxmd.com/read/28306525/efficient-reporting-of-the-estimated-glomerular-filtration-rate-without-height-in-pediatric-patients-with-cancer
#20
Tae-Dong Jeong, Eun-Jung Cho, Woochang Lee, Sail Chun, Ki-Sook Hong, Won-Ki Min
BACKGROUND: The updated bedside Schwartz equation requires constant, serum creatinine concentration and height measurements to calculate the estimated glomerular filtration rate (eGFR) in pediatric patients. Unlike the serum creatinine levels, obtaining height information from the laboratory information system (LIS) is not always possible in a clinical laboratory. Recently, the height-independent eGFR equation, the full age spectrum (FAS) equation, has been introduced. We evaluated the performance of height-independent eGFR equation in Korean children with cancer...
March 15, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
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