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IV Lipid

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https://www.readbyqxmd.com/read/28644688/intraosseous-administration-of-antidotes-a-systematic-review
#1
Audrée Elliott, Pierre-André Dubé, Amélie Cossette-Côté, Laura Patakfalvi, Eric Villeneuve, Martin Morris, Sophie Gosselin
CONTEXT: Intraosseous (IO) access is an established route of administration in resuscitation situations. Patients with serious poisoning presenting to the emergency department may require urgent antidote therapy. However, intravenous (IV) access is not always readily available. OBJECTIVE: This study reviews the current evidence for IO administration of antidotes that could be used in poisoning. The primary outcome was mortality as a surrogate of efficacy. Secondary outcomes included hemodynamic variables, electrocardiographic variables, neurological status, pharmacokinetics outcomes, and adverse effects as defined by each article...
June 23, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28638923/-reconstitution-of-large-conductance-calcium-activated-potassium-channels-into-artificial-planar-lipid-bilayers
#2
Jun Cheng, Xiao-Rong Zeng, Xiao-Qiu Tan, Peng-Yun Li, Jing Wen, Liang Mao, Yan Yang
This study was aimed to establish a method to create a stable planar lipid bilayer membranes (PLBMs), in which large conductance calcium-activated potassium channels (BKCa) were reconstituted. Using spreading method, PLBMs were prepared by decane lipid fluid consisting of N2-weathered mixture of phosphatidylcholine and cholesterol at 3:1 ratio. After successful incorporation of BKCa channel into PLBMs, single channel characteristics of BKCa were studied by patch clamp method. The results showed that i) the single channel conductance of BKCa was (206...
June 25, 2017: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/28634572/a-helicobacter-pylori-homolog-of-eukaryotic-flotillin-is-involved-in-cholesterol-accumulation-epithelial-cell-responses-and-host-colonization
#3
Melanie L Hutton, Kimberley D'Costa, Amanda E Rossiter, Lin Wang, Lorinda Turner, David L Steer, Seth L Masters, Ben A Croker, Maria Kaparakis-Liaskos, Richard L Ferrero
The human pathogen Helicobacter pylori acquires cholesterol from membrane raft domains in eukaryotic cells, commonly known as "lipid rafts." Incorporation of this cholesterol into the H. pylori cell membrane allows the bacterium to avoid clearance by the host immune system and to resist the effects of antibiotics and antimicrobial peptides. The presence of cholesterol in H. pylori bacteria suggested that this pathogen may have cholesterol-enriched domains within its membrane. Consistent with this suggestion, we identified a hypothetical H...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28633452/threshold-effects-of-circulating-angiopoietin-like-3-levels-on-plasma-lipoproteins
#4
Sergio Fazio, Jessica Minnier, Michael D Shapiro, Sotirios Tsimikas, Patrizia Tarugi, Maurizio R Averna, Marcello Arca, Hagai Tavori
Context: Angiopoietin-like 3 (ANGPTL3) deficiency in plasma due to loss-of-function (LOF) gene mutations causes familial combined hypobetalipoproteinemia (FHBL) type 2 in homozygotes. However, the lipid phenotype in heterozygotes is much milder and does not appear to relate directly to ANGPTL3 levels. Furthermore, the low LDL phenotype in carriers of ANGPTL3 mutations is unexplained. Objective: To determine whether a reduction below a critical threshold in plasma ANGPTL3 levels is a determinant of lipoprotein metabolism in FHBL2, and to study the whether PCSK9 is involved in determining low LDL levels in this condition...
June 19, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28632497/dha-reduces-oxidative-stress-following-hypoxia-ischemia-in-newborn-piglets-a-study-of-lipid-peroxidation-products-in-urine-and-plasma
#5
Marianne Ullestad Huun, Håvard T Garberg, Javier Escobar, Consuelo Chafer, Maximo Vento, Ingar M Holme, Ola Didrik Saugstad, Rønnaug Solberg
BACKGROUND: Lipid peroxidation mediated by reactive oxygen species is a major contributor to oxidative stress. Docosahexaenoic acid (DHA) has anti-oxidant and neuroprotective properties. Our objective was to assess how oxidative stress measured by lipid peroxidation was modified by DHA in a newborn piglet model of hypoxia-ischemia (HI). METHODS: Fifty-five piglets were randomized to (i) hypoxia, (ii) DHA, (iii) hypothermia, (iv) hypothermia+DHA or (v) sham. All groups but sham were subjected to hypoxia by breathing 8% O2...
June 20, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28632494/long-term-dutasteride-therapy-in-men-with-benign-prostatic-hyperplasia-alters-glucose-and-lipid-profiles-and-increases-severity-of-erectile-dysfunction
#6
Abdulmaged Traish, Karim Sultan Haider, Gheorghe Doros, Ahmad Haider
Background Dutasteride has been successfully used in treatment of lower urinary tract symptoms (LUTS) secondary to benign prostatic hyperplasia (BPH). However, dutasteride inhibits 5α-reductase type 1 and type 2 enzymes and may compromises glucocorticoids and androgen metabolism and alters metabolic function resulting in undesirable metabolic and sexual adverse side effects. Aim The aim of this study was to investigate the long-term adverse effects of dutasteride therapy in men with BPH on: i) blood glucose, ii) glycated hemoglobin (HbA1c), iii) low density lipoprotein-cholesterol (LDL-C); high density lipoprotein-cholesterol (HDL-C) and total cholesterol (TC), iv) testosterone (T), v) liver alanine and aspartate aminotransferases (ALT and AST) and vi) erectile dysfunction (ED)...
June 21, 2017: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/28630182/study-of-biodistribution-and-in-vivo-anti-leishmanial-activity-of-a-distigmasterylhemisuccinoyl-glycero-phosphocholine-liposome-intercalated-amphotericin-b
#7
Maryam Iman, Zhaohua Huang, Seyedeh Hoda Alavizadeh, Francis C Szoka, Mahmoud R Jaafari
Distigmasterylhemisuccinoyl-sn-glycero-3- phosphocholine (DSHemsPC) is a new lipid in which two molecules of stigmasterol (an inexpensive plant sterol) are covalently linked via a succinic acid to glycerophosphocholine. Our previous study revealed that a liposome-intercalated Amphotericin B prepared from DSHemsPC (DSHemsPC-Lip-AmB) possess excellent colloidal properties and in vitro antifungal and anti-leishmanial activity similar to AmBisome™. The aim of this study was to determine biodistribution and evaluate the anti-leishmanial effects of DSHemsPC-Lip-AmB in Leishmania major-infected BALB/c mice...
June 19, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28615764/evaluation-of-antioxidant-status-high-sensitivity-c-reactive-protein-and-insulin-resistance-in-male-chronic-opiate-users-without-comorbidities
#8
Purvi Purohit, Naresh Nebhinani, Praveen Sharma
BACKGROUND: There is a paucity of data on frequency of metabolic syndrome (MS), insulin resistance (IR), and oxidative stress in Indian opiate users without comorbidities. OBJECTIVES: To determine the influence of opiate use on frequency of MS, homeostasis model assessment for IR (HOMA-IR), high-sensitivity C-reactive protein (hs-CRP), and oxidative stress in opiate-dependent male patients without comorbidities. METHODS: Participants (n = 120) were grouped as controls (Group I), pure opiate dependents (Group II), opiate + tobacco dependents (Group III), and tobacco dependents (Group IV) with a minimum of 1-year dependence participated in the study...
May 2017: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/28610891/n-butyldeoxynojirimycin-delays-motor-deficits-cerebellar-microgliosis-and-purkinje-cell-loss-in-a-mouse-model-of-mucolipidosis-type-iv
#9
Lauren C Boudewyn, Jakub Sikora, Ladislav Kuchar, Jana Ledvinova, Yulia Grishchuk, Shirley L Wang, Kostantin Dobrenis, Steven U Walkley
Mucolipidosis type IV (MLIV) is a lysosomal storage disease exhibiting progressive intellectual disability, motor impairment, and premature death. There is currently no cure or corrective treatment. The disease results from mutations in the gene encoding mucolipin-1, a transient receptor potential channel believed to play a key role in lysosomal calcium egress. Loss of mucolipin-1 and subsequent defects lead to a host of cellular aberrations, including accumulation of glycosphingolipids (GSLs) in neurons and other cell types, microgliosis and, as reported here, cerebellar Purkinje cell loss...
June 10, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28606072/the-mitochondrial-inhibitor-oligomycin-induces-an-inflammatory-response-in-the-rat-knee-joint
#10
Carlos Vaamonde-García, Jesús Loureiro, Marta N Valcárcel-Ares, Romina R Riveiro-Naveira, Olalla Ramil-Gómez, Laura Hermida-Carballo, Alberto Centeno, Rosa Meijide-Failde, Francisco J Blanco, María J López-Armada
BACKGROUND: Recent findings support a connection between mitochondrial dysfunction and activation of inflammatory pathways in articular cells. This study investigates in vivo in an acute model whether intra-articular administration of oligomycin, an inhibitor of mitochondrial function, induces an oxidative and inflammatory response in rat knee joints. METHODS: Oligomycin was injected into the rat left knee joint on days 0, 2, and 5 before joint tissues were obtained on day 6...
June 12, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28599236/raman-and-infrared-spectroscopy-of-carbohydrates-a-review
#11
REVIEW
Ewelina Wiercigroch, Ewelina Szafraniec, Krzysztof Czamara, Marta Z Pacia, Katarzyna Majzner, Kamila Kochan, Agnieszka Kaczor, Malgorzata Baranska, Kamilla Malek
Carbohydrates are widespread and naturally occurring compounds, and essential constituents for living organisms. They are quite often reported when biological systems are studied and their role is discussed. However surprisingly, up till now there is no database collecting vibrational spectra of carbohydrates and their assignment, as has been done already for other biomolecules. So, this paper serves as a comprehensive review, where for selected 14 carbohydrates in the solid state both FT-Raman and ATR FT-IR spectra were collected and assigned...
May 24, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28593900/phellinus-rimosus-improves-mitochondrial-energy-status-and-attenuates-nephrotoxicity-in-diabetic-rats
#12
K A Rony, T A Ajith, Tony A Kuttikadan, R Blaze, K K Janardhanan
BACKGROUND: Mitochondrial dysfunction and increase in reactive oxygen species during diabetes can lead to pathological consequences in kidneys. The present study was aimed to investigate the effect of Phellinus rimosus in the streptozotocin (STZ)-induced diabetic rat renal mitochondria and the possible mechanism of protection. METHODS: Phellinus rimosus (50 and 250 mg/kg, p.o) was treated after inducing diabetes by STZ (45 mg/kg, i.p) in rats. The serum samples were subjected to creatinine and urea estimation...
April 7, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28592702/a-past-and-present-overview-of-macrophage-metabolism-and-functional-outcomes
#13
REVIEW
Rui Curi, Renata de Siqueira Mendes, Luiz Aurélio de Campos Crispin, Giuseppe Danilo Norata, Sandra Coccuzzo Sampaio, Philip Newsholme
In 1986 and 1987, Philip Newsholme et al. reported macrophages utilize glutamine, as well as glucose, at high rates. These authors measured key enzyme activities and consumption and production levels of metabolites in incubated or cultured macrophages isolated from the mouse or rat intraperitoneal cavity. Metabolic pathways essential for macrophage function were then determined. Macrophages utilize glucose to generate (i) ATP in the pathways of glycolysis and mitochondrial oxidative phosphorylation, (ii) glycerol 3-phosphate for the synthesis of phospholipids and triacylglycerols, (iii) NADPH for the production of reactive oxygen species (ROS) and (iv) ribose for the synthesis of RNA and subsequently production and secretion of protein mediators (e...
June 15, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28587835/effect-of-physicochemical-properties-of-peptides-from-soy-protein-on-their-antimicrobial-activity
#14
Ning Xiang, Yuan Lyu, Xiao Zhu, Arun K Bhunia, Ganesan Narsimhan
Antimicrobial peptides (AMPs) kill microbial cells through insertion and damage/permeabilization of the cytoplasmic cell membranes and has applications in food safety and antibiotic replacement. Soy protein is an attractive, abundant natural source for commercial production of AMPs. In this research, explicit solvent molecular dynamics (MD) simulation was employed to investigate the effects of (i) number of total and net charges, (ii) hydrophobicity (iii) hydrophobic moment and (iv) helicity of peptides from soy protein on their ability to bind to lipid bilayer and their transmembrane aggregates to form pores...
June 3, 2017: Peptides
https://www.readbyqxmd.com/read/28585426/effect-of-helichrysum-plicatum-dc-subsp-plicatum-ethanol-extract-on-gentamicin-induced-nephrotoxicity-in-rats
#15
Betul Apaydin Yildirim, Saban Kordali, Kubra Asena Terim Kapakin, Fatih Yildirim, Esra Aktas Senocak, Serdar Altun
The aim of this study was to evaluate the possible therapeutic or protective effects of Helichrysum plicatum DC. subsp. plicatum ethanol extract (HPE) against gentamicin-induced nephrotoxicity. Thirty-six Sprague Dawley male rats weighing between 200 and 250 g were used as live material. They were formed into six groups containing 6 rats each and were allowed to adapt to laboratory conditions for 7 d. Group I: control, 5% DMSO intraperitoneal (i.p.); Group II: HPE 100 mg/(kg·d) i.p.; Group III: HPE 200 mg/(kg·d) i...
June 2017: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/28582612/investigation-of-phenols-activity-in-early-stage-oxidation-of-edible-oils-by-electron-paramagnetic-resonance-and-19-f-nmr-spectroscopies-using-novel-lipid-vanadium-complexes-as-radical-initiators
#16
Chryssoula Drouza, Anthi Dieronitou, Ioanna Hadjiadamou, Marios Stylianou
A novel dynamic method for the investigation of the phenols activity in early stage oxidation of edible oils based on the formation of α-tocopheryl radicals initiated by oil-soluble vanadium complexes is developed. Two new vanadium complexes in oxidation states V and IV were synthesized by reacting 2,2'-((2-hydroxyoctadecyl)azanediyl)bis(ethan-1-ol) (C18DEA) with [VO(acac)2] and 1-(bis(pyridin-2-ylmethyl)amino)octadecan-2-ol (C18DPA) with VOCl2. Addition of a solution of either complex in edible oils resulted in the formation of α-tocopheryl radical, which was monitored by electron paramagnetic resonance (EPR) spectroscopy...
June 21, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28575497/loss-of-hepatic-lrpprc-alters-mitochondrial-bioenergetics-regulation-of-permeability-transition-and-trans-membrane-ros-diffusion
#17
Alexanne Cuillerier, Shamisa Honarmand, Virgilio J J Cadete, Matthieu Ruiz, Anik Forest, Sonia Deschênes, Claudine Beauchamp, Guy Charron, John D Rioux, Christine Des Rosiers, Eric A Shoubridge, Yan Burelle
BACKGROUND AND AIMS: The French-Canadian variant of Leigh Syndrome (LSFC) is an autosomal recessive oxidative phosphorylation (OXPHOS) disorder caused by a mutation in LRPPRC, coding for a protein involved in the stability of mitochondrially-encoded mRNAs. Low levels of LRPPRC are present in all patient tissues, but result in a disproportionately severe OXPHOS defect in the brain and liver, leading to unpredictable subacute metabolic crises. METHODS: To investigate the impact of the OXPHOS defect in the liver, we analyzed the mitochondrial phenotype in mice harboring an hepatocyte-specific inactivation of Lrpprc...
May 31, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28573760/oral-glucose-tolerance-test-performance-in-olanzapine-treated-schizophrenia-spectrum-patients-is-predicted-by-bmi-and-triglycerides-but-not-olanzapine-dose-or-duration
#18
Jeffrey Guina, Sayon Roy, Ankur Gupta, Daniel D Langleben, Igor Elman
OBJECTIVE: Olanzapine, an atypical antipsychotic, is associated with glucoregulatory abnormalities, but the nature of this link is not fully elucidated. This is the first olanzapine oral glucose tolerance test (oGTT) study to consider treatment dose and duration, and to compare complementary indices respectively assessing insulin sensitivity (Matsuda index) and resistance (homeostasis model assessment). METHODS: Body mass index (BMI), body composition, plasma lipids, and oGTT were measured in olanzapine-treated nondiabetic patients with DSM-IV-TR diagnosis of schizophrenia or schizoaffective disorder (n = 35)...
June 1, 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28572914/sex-differences-in-the-development-of-vascular-and-renal-lesions-in-mice-with-a-simultaneous-deficiency-of-apoe-and-the-integrin-chain-itga8
#19
Ines Marek, Maurizio Canu, Nada Cordasic, Manfred Rauh, Gudrun Volkert, Fabian B Fahlbusch, Wolfgang Rascher, Karl F Hilgers, Andrea Hartner, Carlos Menendez-Castro
BACKGROUND: Apoe-deficient (Apoe(-/-)) mice develop progressive atherosclerotic lesions with age but no severe renal pathology in the absence of additional challenges. We recently described accelerated atherosclerosis as well as marked renal injury in Apoe(-/-) mice deficient in the mesenchymal integrin chain Itga8 (Itga8(-/-)). Here, we used this Apoe(-/-), Itga8(-/-) mouse model to investigate the sex differences in the development of atherosclerosis and concomitant renal injury. We hypothesized that aging female mice are protected from vascular and renal damage in this mouse model...
2017: Biology of Sex Differences
https://www.readbyqxmd.com/read/28566218/relations-between-lipoprotein-a-concentrations-lpa-genetic-variants-and-the-risk-of-mortality-in-patients-with-established-coronary-heart-disease-a-molecular-and-genetic-association-study
#20
Stephen Zewinger, Marcus E Kleber, Vinicius Tragante, Raymond O McCubrey, Amand F Schmidt, Kenan Direk, Ulrich Laufs, Christian Werner, Wolfgang Koenig, Dietrich Rothenbacher, Ute Mons, Lutz P Breitling, Herrmann Brenner, Richard T Jennings, Ioannis Petrakis, Sarah Triem, Mira Klug, Alexandra Filips, Stefan Blankenberg, Christoph Waldeyer, Christoph Sinning, Renate B Schnabel, Karl J Lackner, Efthymia Vlachopoulou, Ottar Nygård, Gard Frodahl Tveitevåg Svingen, Eva Ringdal Pedersen, Grethe S Tell, Juha Sinisalo, Markku S Nieminen, Reijo Laaksonen, Stella Trompet, Roelof A J Smit, Naveed Sattar, J Wouter Jukema, Heinrich V Groesdonk, Graciela Delgado, Tatjana Stojakovic, Anna P Pilbrow, Vicky A Cameron, A Mark Richards, Robert N Doughty, Yan Gong, Rhonda Cooper-DeHoff, Julie Johnson, Markus Scholz, Frank Beutner, Joachim Thiery, J Gustav Smith, Ragnar O Vilmundarson, Ruth McPherson, Alexandre F R Stewart, Sharon Cresci, Petra A Lenzini, John A Spertus, Oliviero Olivieri, Domenico Girelli, Nicola I Martinelli, Andreas Leiherer, Christoph H Saely, Heinz Drexel, Axel Mündlein, Peter S Braund, Christopher P Nelson, Nilesh J Samani, Daniel Kofink, Imo E Hoefer, Gerard Pasterkamp, Arshed A Quyyumi, Yi-An Ko, Jaana A Hartiala, Hooman Allayee, W H Wilson Tang, Stanley L Hazen, Niclas Eriksson, Claes Held, Emil Hagström, Lars Wallentin, Axel Åkerblom, Agneta Siegbahn, Igor Karp, Christopher Labos, Louise Pilote, James C Engert, James M Brophy, George Thanassoulis, Peter Bogaty, Wojciech Szczeklik, Marcin Kaczor, Marek Sanak, Salim S Virani, Christie M Ballantyne, Vei-Vei Lee, Eric Boerwinkle, Michael V Holmes, Benjamin D Horne, Aroon Hingorani, Folkert W Asselbergs, Riyaz S Patel, Bernhard K Krämer, Hubert Scharnagl, Danilo Fliser, Winfried März, Thimoteus Speer
BACKGROUND: Lipoprotein(a) concentrations in plasma are associated with cardiovascular risk in the general population. Whether lipoprotein(a) concentrations or LPA genetic variants predict long-term mortality in patients with established coronary heart disease remains less clear. METHODS: We obtained data from 3313 patients with established coronary heart disease in the Ludwigshafen Risk and Cardiovascular Health (LURIC) study. We tested associations of tertiles of lipoprotein(a) concentration in plasma and two LPA single-nucleotide polymorphisms ([SNPs] rs10455872 and rs3798220) with all-cause mortality and cardiovascular mortality by Cox regression analysis and with severity of disease by generalised linear modelling, with and without adjustment for age, sex, diabetes diagnosis, systolic blood pressure, BMI, smoking status, estimated glomerular filtration rate, LDL-cholesterol concentration, and use of lipid-lowering therapy...
May 26, 2017: Lancet Diabetes & Endocrinology
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