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https://www.readbyqxmd.com/read/28214096/maintenance-fluid-therapy-in-a-tertiary-hospital-a-prevalence-study
#1
R Uña Orejón, L Gisbert de la Cuadra, D Garríguez Pérez, J Díez Sebastián, M P Ureta Tolsada
OBJECTIVE: To assess the types of maintenance fluids used in our hospital, comparing their volume and composition to the standards recommended by the guidelines. MATERIAL AND METHODS: Observational, cross-sectional study. Volume and type of fluid therapy administered during 24h to patients admitted to various hospital departments were recorded. Patients receiving fluid therapy because of water-electrolyte imbalance were excluded. RESULTS: Out of 198 patients registered, 74 (37...
February 14, 2017: Revista Española de Anestesiología y Reanimación
https://www.readbyqxmd.com/read/28213035/influence-of-electro-activated-solutions-of-weak-organic-acid-salts-on-microbial-quality-and-overall-appearance-of-blueberries-during-storage
#2
Viacheslav Liato, Riadh Hammami, Mohammed Aïder
The aim of this work was to study the potential of diluted electro-activated solutions of weak organic acid salts (potassium acetate, potassium citrate and calcium lactate) to extend the shelf life of blueberries during post-harvest storage. The sanitizing capacity of these solutions was studied against pathogenic bacteria Listeria monocytogenes and E. coli O157:H7 as well as phytopathogenic fungi A. alternata, F. oxysporum and B. cinerea. The results showed that a 5-min treatment of inoculated blueberries with electro-activated solutions resulted in a 4 log CFU/g reduction in Listeria monocytogenes for all solutions...
June 2017: Food Microbiology
https://www.readbyqxmd.com/read/28208995/a-comparative-analysis-of-caries-inhibitory-effect-of-remineralizing-agents-on-human-enamel-treated-with-er-yag-laser-an-in-vitro-atomic-emission-spectrometry-analysis
#3
Aswin Saseendran Nair, R Krishna Kumar, Sunil Thomas Philip, Syed Shaheed Ahameed, Sairaj Punnathara, Joby Peter
INTRODUCTION: The tug of war to maintain tooth integrity is dependent on a ratio between demineralization and remineralization. Hence, demineralization should be retarded and remineralization should be enhanced to maintain a natural equilibrium in the oral cavity. AIM: To compare in-vitro acid resistance of human enamel when using Casein Phosphopeptides Amorphous Calcium Phosphate (CPP-ACP) [GC Tooth mousse] cream, Casein Phosphopeptide Amorphous Calcium Fluoride Phosphate (CPP-ACFP) [GC Tooth mousse plus] cream, Er:YAG laser alone, combination of CPP-ACP with Er:YAG laser, CPP-ACFP with Er:YAG laser...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28197730/mechanisms-of-the-inhibition-of-enzymatic-hydrolysis-of-waste-pulp-fibers-by-calcium-carbonate-and-the-influence-of-nonionic-surfactant-for-mitigation
#4
Byeong Cheol Min, Bandaru V Ramarao
Recycled paper mills produce large quantities of fibrous rejects and fines which are usually sent to landfills as solid waste. These cellulosic materials can be enzymatically hydrolyzed into sugars for the production of biofuels and biomaterials. Paper mill wastes also contain large amounts of calcium carbonate which inhibits cellulase activity. The calcium carbonate (30%, w/w) decreased 40-60% of sugar yield of unbleached softwood kraft pulp. The prime mechanisms for this are by pH variation, competitive and non-productive binding, and aggregation effect...
February 14, 2017: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/28182142/elemental-calcium-intake-associated-with-calcium-acetate-calcium-carbonate-in-the-treatment-of-hyperphosphatemia
#5
Rosamund J Wilson, J Brian Copley
BACKGROUND: Calcium-based and non-calcium-based phosphate binders have similar efficacy in the treatment of hyperphosphatemia; however, calcium-based binders may be associated with hypercalcemia, vascular calcification, and adynamic bone disease. SCOPE: A post hoc analysis was carried out of data from a 16-week, Phase IV study of patients with end-stage renal disease (ESRD) who switched to lanthanum carbonate monotherapy from baseline calcium acetate/calcium carbonate monotherapy...
2017: Drugs in Context
https://www.readbyqxmd.com/read/28153426/factors-affecting-gastrointestinal-absorption-of-levothyroxine-a-review
#6
REVIEW
Marko Skelin, Tomo Lucijanić, Daniela Amidžić Klarić, Arnes Rešić, Miro Bakula, Ana-Marija Liberati-Čizmek, Hossein Gharib, Dario Rahelić
PURPOSE: Levothyroxine (LT4) is a drug with a narrow therapeutic index, applied in small amounts (micrograms), which makes interactions in the absorption phase clinically significant. The main aim of this article was to review and present the latest information on factors that affect the gastrointestinal absorption of this drug. METHODS: Relevant data were collected by using the MEDLINE, PubMed, EMBASE, Web of Science, Science Direct, and Scopus databases with the key words levothyroxine and absorption...
January 30, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28139747/roxatidine-attenuates-mast-cell-mediated-allergic-inflammation-via-inhibition-of-nf-%C3%AE%C2%BAb-and-p38-mapk-activation
#7
Minho Lee, Na Young Lee, Kyung-Sook Chung, Se-Yun Cheon, Kyung-Tae Lee, Hyo-Jin An
Roxatidine is an active metabolite of roxatidine acetate hydrochloride which is a histamine H2-receptor antagonist that is used to treat gastric and duodenal ulcers. In this study, we investigated the anti-allergic inflammatory effects and the underlying molecular mechanism of roxatidine in phorbol 12-myristate 13-acetate and calcium ionophore (PMACI)-stimulated human mast cells-1 (HMC-1), compound 48/80-induced anaphylactic animal model and chemical allergen-induced contact hypersensitivity (CHS) models. Roxatidine suppressed the mRNA and protein expression of inflammatory cytokines such as TNF-α, IL-6, and IL-1β in PMACI-stimulated HMC-1 and compound 48/80-induced anaphylactic mice...
January 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28117454/candidate-pheromone-receptors-of-codling-moth-cydia-pomonella-respond-to-pheromones-and-kairomones
#8
Alberto Maria Cattaneo, Francisco Gonzalez, Jonas M Bengtsson, Elizabeth A Corey, Emmanuelle Jacquin-Joly, Nicolas Montagné, Umberto Salvagnin, William B Walker, Peter Witzgall, Gianfranco Anfora, Yuriy V Bobkov
Olfaction plays a dominant role in the mate-finding and host selection behaviours of the codling moth (Cydia pomonella), an important pest of apple, pear and walnut orchards worldwide. Antennal transcriptome analysis revealed a number of abundantly expressed genes related to the moth olfactory system, including those encoding the olfactory receptors (ORs) CpomOR1, CpomOR3 and CpomOR6a, which belong to the pheromone receptor (PR) lineage, and the co-receptor (CpomOrco). Using heterologous expression, in both Drosophila olfactory sensory neurones and in human embryonic kidney cells, together with electrophysiological recordings and calcium imaging, we characterize the basic physiological and pharmacological properties of these receptors and demonstrate that they form functional ionotropic receptor channels...
January 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28098862/rhein-suppresses-matrix-metalloproteinase-production-by-regulating-the-rac1-ros-mapk-ap-1-pathway-in-human-ovarian-carcinoma-cells
#9
Guomei Zhou, Fenghui Peng, Yanping Zhong, Yanhua Chen, Min Tang, Danrong Li
Matrix metalloproteinases (MMPs) are a family of calcium-dependent zinc-containing endopeptidases, which play an integral role in migration and invasion of ovarian cancer. Rac1 proteins might mostly influence cell migration and invasion by generating endogenous reactive oxygen species. Therefore, inhibiting MMPs and regulating the Rac1/ROS/MAPK/AP-1 pathway may be a new therapeutic strategy for ovarian cancer. In this study, we found that rhein could suppress the invasion and migration of SKOV3-PM4 cells with characteristics of directional highly lymphatic metastasis...
March 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28097492/activation-of-trpm2-and-trpv1-channels-in-dorsal-root-ganglion-by-nadph-oxidase-and-protein-kinase-c-molecular-pathways-a-patch-clamp-study
#10
Mustafa Nazıroğlu
Despite considerable research, the mechanisms of neuropathic pain induced by excessive oxidative stress production and overload calcium ion (Ca(2+)) entry in dorsal root ganglion (DRG) remain substantially unidentified. The transient receptor potential melastatin 2 (TRPM2) and vanilloid 1 (TRPV1) channels are activated with different stimuli including oxidative stress. TRPM2 and TRPV1 have been shown to be involved in induction of neuropathic pain. However, the activation mechanisms of TRPM2 and TRPV1 via NADPH oxidase and protein kinase C (PKC) pathways are poorly understood...
January 17, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28095842/cactus-opuntia-humifusa-water-extract-ameliorates-loperamide-induced-constipation-in-rats
#11
Sung Hee Han, Kyungmi Park, Eun Young Kim, So Hyun Ahn, Hyun-Sun Lee, Hyung Joo Suh
BACKGROUND: Korean cactus Cheonnyuncho (Opuntia humifusa) is rich in pectin, phenols, flavonoids, and minerals such as calcium and phosphorus. Some Koreans drink Cheonnyuncho juice prepared by grinding Cheonnyuncho with water. Cheonnyuncho is well known for its functional properties and antioxidant effects, but its effect on constipation has not been sufficiently studied. METHODS: Loperamide (2 mg/kg) was injected subcutaneously to induce constipation in rats. The animals were divided into four groups: a normal group (NOR), constipation control group (CON), and two constipation groups receiving the Cheonnyuncho extract (CE) at two different concentrations in drinking water, 3% (L-CE group) and 6% (H-CE group), for 25 days...
January 17, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28079009/emerging-roles-of-calreticulin-in-cancer-implications-for-therapy
#12
Kavya Venkateswaran, Amit Verma, Anant Narayan Bhatt, Anju Shrivastava, Kailash Manda, Hanumantharao G Raj, Ashok Prasad, Christophe Len, Virinder S Parmar, Bilikere Dwarakanath
Calreticulin (CRT), initially identified as a ubiquitous calcium-binding protein in the endoplasmic reticulum, has emerged as a multifunctional protein with roles in calcium homeostasis, molecular chaperoning and cell adhesion. Emerging evidence suggests its involvement in tumorigenesis facilitating proliferation, migration, and adhesion. CRT translocated to the cell surface (ecto-CRT) serves as a phagocytic signal for immunogenic cell death (ICD) mediated through dendritic cells (DCs) and cytotoxic T-cell activation thereby making tumors susceptible to immunotherapy-based anti-cancer strategies...
11, 2017: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/28068104/unraveling-interactions-between-ionic-liquids-and-phospholipid-vesicles-using-nanoplasmonic-sensing
#13
Joanna Witos, Giacomo Russo, Suvi-Katriina Ruokonen, Susanne K Wiedmer
Owing to their unique properties and unlimited structural combinations, the ubiquitous use of ionic liquids (ILs) is steadily increasing. The objective of the present work is to shed light onto the effects of amidinium- and phosphonium-based ILs on phospholipid vesicles using a nanoplasmonic sensing measurement technique. A new and relatively simple method was developed for the immobilization of large unilamellar vesicles on two different hydrophilic surfaces composed of titanium dioxide and silicon nitride nanolayers...
January 19, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28050757/implication-of-nrf2-ho-1-pathway-in-the-coloprotective-effect-of-coenzyme-q10-against-experimentally-induced-ulcerative-colitis
#14
Ahmed E Khodir, Hoda Atef, Eman Said, Hassan A ElKashef, Hatem A Salem
PURPOSE: Given the increased incidence of ulcerative colitis worldwide, the current study was designed to investigate the coloprotective potential of CoQ10 against experimentally induced ulcerative colitis (UC) and specify the implicated mechanisms. METHODS: Ulcerative colitis was induced by intracolonic instillation of [2 ml, 3% v/v acetic acid (AA)]. Rats in the different experimental groups received CoQ10 (10 or 30 and 100 mg/kg, orally) for eight consecutive days, either in a protective or curative regimen...
February 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28033103/the-sublethal-effects-of-2-4-dichlorophenoxy-acetic-acid-2-4-d-on-narrow-clawed-crayfish-astacus-leptodactylus-eschscholtz-1823
#15
A Çağlan Karasu Benli, Duygu Şahin, Rabia Sarıkaya, Burcu Koçak Memmi, Aylin Sepici Dinçel
2,4-D is a widely used phenoxy herbicide, potentially toxic to humans and biota. The objective of the present study was to reveal short term sublethal effects of 2,4-D on narrow-clawed freshwater crayfish (Astacus leptodactylus Eschscholtz, 1823), based on histology, total haemocyte counts, selected haemolymph parameters, and oxidative stress parameters. In the laboratory conditions crayfish specimens were exposed to 9 mg L-1 of 2,4-D for one week. Experiments were conducted under semi-static conditions in 20 L-capacity aquaria where 10 freshwater crayfish were stocked per aquarium...
December 1, 2016: Arhiv za Higijenu Rada i Toksikologiju
https://www.readbyqxmd.com/read/28018350/m%C3%A3-nage-%C3%A3-trois-the-ratio-of-bicarbonate-to-co2-and-the-ph-regulate-the-capacity-of-neutrophils-to-form-nets
#16
Christian Maueröder, Aparna Mahajan, Susanne Paulus, Stefanie Gößwein, Jonas Hahn, Deborah Kienhöfer, Mona H Biermann, Philipp Tripal, Ralf P Friedrich, Luis E Munoz, Markus F Neurath, Christoph Becker, Georg Andreas Schett, Martin Herrmann, Moritz Leppkes
In this study, we identified and characterized the potential of a high ratio of bicarbonate to CO2 and a moderately alkaline pH to render neutrophils prone to undergo neutrophil extracellular trap (NET) formation. Both experimental settings increased the rate of spontaneous NET release and potentiated the NET-inducing capacity of phorbol esters (phorbol-2-myristate-13-acetate), ionomycin, monosodium urate, and LPS. In contrast, an acidic environment impaired NET formation both spontaneous and induced. Our findings indicate that intracellular alkalinization of neutrophils in response to an alkaline environment leads to an increase of intracellular calcium and neutrophil activation...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/28013356/diuretic-effect-of-extracts-fractions-and-two-compounds-2%C3%AE-3%C3%AE-19%C3%AE-trihydroxy-urs-12-en-28-oic-acid-and-5-hydroxy-3-6-7-8-4-pentamethoxyflavone-from-rubus-rosaefolius-sm-rosaceae-leaves-in-rats
#17
Priscila de Souza, Thaise Boeing, Lincon Bordignon Somensi, Camile Cecconi Cechinel-Zanchett, Jairo Kenupp Bastos, Marcel Petreanu, Rivaldo Niero, Valdir Cechinel-Filho, Luisa Mota da Silva, Sérgio Faloni de Andrade
Although diuretics have been widely used to treat hypertension along with others cardiovascular and renal disorders, no scientific data have been recorded to support the diuretic properties of Rubus rosaefolius Sm. (Rosaceae), a plant popularly used in Brazil to treat hypertension. Male Wistar rats were orally treated with: vehicle; hydrochlorothiazide; aqueous (AERR) and methanolic (MERR) extracts; dichloromethane (DCM), hexane (HEX) and ethyl acetate (EA) fractions; and the isolated compounds 2α,3β,19α-trihydroxy-urs-12-en-28-oic acid (TUA) and 5-hydroxy-3,6,7,8,4'-pentamethoxyflavone (PMF)...
December 24, 2016: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28012149/endoplasmic-reticulum-stress-and-apoptosis-triggered-by-sub-chronic-lead-exposure-in-mice-spleen-a-histopathological-study
#18
Giovanni Corsetti, Claudia Romano, Alessandra Stacchiotti, Evasio Pasini, Francesco S Dioguardi
Lead (Pb) is an environmental oncogenic metal that induces immunotoxicity and anaemia. Emerging evidence has linked Pb toxicity with endoplasmic reticulum-driven apoptosis and autophagy. Glucose-regulated protein of 78 kDa (Grp78 or binding immunoglobulin protein (BiP)), a master endoplasmic reticulum chaperone, drives macrophage activation and regulates protein folding and calcium flux in response to heavy metals. The spleen may be involved in Pb poisoning due to its crucial role in erythrocatheresis and immune response, although there are no data to support this theory...
December 24, 2016: Biological Trace Element Research
https://www.readbyqxmd.com/read/27987655/bioactivity-and-biocompatibility-of-hydroxyapatite-based-bioceramic-coatings-on-zirconium-by-plasma-electrolytic-oxidation
#19
Salim Levent Aktuğ, Salih Durdu, Emine Yalçın, Kültigin Çavuşoğlu, Metin Usta
In the present work, hydroxyapatite (HAP)-based plasma electrolytic oxide (PEO) coatings were produced on zirconium at different current densities in a solution containing calcium acetate and β-calcium glycerophosphate by a single step. The phase structure, surface morphology, functional groups, thickness and roughness of the coatings were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR), eddy current method and surface profilometer, respectively...
February 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27986565/inhibition-of-protein-tyrosine-phosphatases-unmasks-vasoconstriction-and-potentiates-calcium-signaling-in-rat-aorta-smooth-muscle-cells-in-response-to-an-agonist-of-5-ht2b-receptors-bw723c86
#20
Galina Y Mironova, Piotr P Avdonin, Nikolay V Goncharov, Richard O Jenkins, Pavel V Avdonin
In blood vessels, serotonin 5-HT2B receptors mainly mediate relaxation, although their activation by the selective agonist BW723C86 is known to exert contraction of aorta in deoxycorticosterone acetate (DOCA)-salt and N(omega)-nitro-l-arginine (l-NAME) hypertensive rats [Russel et al., 2002; Banes et al., 2003] and in mice with type 2 diabetes [Nelson et al., 2012]. The unmasking effect on vasoconstriction can be caused by a shift in the balance of tyrosine phosphorylation in smooth muscle cells (SMC) due to oxidative stress induced inhibition of protein tyrosine phosphatases (PTP)...
January 29, 2017: Biochemical and Biophysical Research Communications
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