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https://www.readbyqxmd.com/read/28817063/changes-in-lipids-and-inflammatory-markers-after-consuming-diets-high-in-red-meat-or-dairy-for-four-weeks
#1
Kirsty M Turner, Jennifer B Keogh, Peter J Meikle, Peter M Clifton
There is a body of evidence linking inflammation, altered lipid metabolism, and insulin resistance. Our previous research found that insulin sensitivity decreased after a four-week diet high in dairy compared to a control diet and to one high in red meat. Our aim was to determine whether a relationship exists between changes in insulin sensitivity and inflammatory biomarkers, or with lipid species. Fasting Tumor Necrosis Factor alpha (TNF-α), Tumor Necrosis Factor Receptor II (sTNF-RII), C-reactive protein (CRP), and lipids were measured at the end of each diet...
August 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28816555/chemical-utilization-of-albizia-lebbeck-leaves-for-developing-protein-concentrates-as-a-dietary-supplement
#2
Lutful Haque Khan, V K Varshney
In search of nonconventional sources of protein to combat widespread malnutrition, the possibility of developing a protein concentrate as an alternative dietary supplement from abundantly available yet poorly valorized leaves of Albizia lebbeck (siris) was examined. A process for recovery of leaf protein concentrate (LPC) from these leaves was optimized and applied for isolation of LPCs from lower, middle, and upper canopies of the tree. The optimized conditions (leaves to water 1:9, coagulation at pH 4.0 using 1 N citric acid at 90°C for 11 minutes) afforded LPCs containing protein 37...
August 17, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/28810184/design-and-evaluation-of-a-parametric-model-for-cardiac-sounds
#3
Roilhi F Ibarra-Hernández, Miguel A Alonso-Arévalo, Alejandro Cruz-Gutiérrez, Ana L Licona-Chávez, Salvador Villarreal-Reyes
Heart sound analysis plays an important role in the auscultative diagnosis process to detect the presence of cardiovascular diseases. In this paper we propose a novel parametric heart sound model that accurately represents normal and pathological cardiac audio signals, also known as phonocardiograms (PCG). The proposed model considers that the PCG signal is formed by the sum of two parts: one of them is deterministic and the other one is stochastic. The first part contains most of the acoustic energy. This part is modeled by the Matching Pursuit (MP) algorithm, which performs an analysis-synthesis procedure to represent the PCG signal as a linear combination of elementary waveforms...
August 9, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28804608/remyelination-improvement-after-neurotrophic-factors-secreting-cells-transplantation-in-rat-spinal-cord-injury
#4
Shahnaz Razavi, Nazem Ghasemi, Mohammad Mardani, Hossein Salehi
OBJECTIVES: Neurotrophic factors secreting cells (NTS-SCs) may be a superior cell source for cell-based therapy in neurodegenerative diseases. NTS-SCs are able to secrete some neurotrophic Such as nerve growth factor and glia-derived neurotrophic factor. Our primary aim was to assess transplantation of neurotrophic factor secreting cells derived from human adipose-derived stem cells (hADSCs) into the damaged spinal cord rats and determine the potential of these cells in remyelination...
April 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28758287/electrophysiological-correlates-of-the-drift-diffusion-model-in-visual-word-recognition
#5
Christina J Mueller, Corey N White, Lars Kuchinke
This study was designed to explore the electrophysiological correlates of the diffusion models drift rate parameter in cognitive decision making. Eighty-two participants completed a lexical decision task while their stimulus-dependent event-related potentials (ERP) and theta frequency band power were measured. A mass univariate approach was applied to examine the timeline at which correlations were evident. Individual differences in drift rate parameter and condition-wise within-subject differences in drift rates for word emotionality and item repetition were found to be related to amplitude differences in the late positive complex (LPC)...
July 31, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28752209/plasma-lipidome-analysis-by-liquid-chromatography-high-resolution-mass-spectrometry-and-ion-mobility-of-hypertriglyceridemic-patients-on-extended-release-nicotinic-acid-a-pilot-study
#6
Véronique Ferchaud-Roucher, Mikaël Croyal, Thomas Moyon, Yassine Zair, Michel Krempf, Khadija Ouguerram
BACKGROUND: Plasma high triacylglycerols and low HDL-C concentration are associated with increased cardiovascular events. Extended-release nicotinic acid (ERN) was shown to reduce plasma triacylglycerols and total cholesterol but also to markedly increase high-density lipoprotein-cholesterol (HDL-C). No data on the effect of ERN on different species of triacylglycerol, cholesteryl ester, and phospholipids are available. In this study, we applied a nontargeted lipidomic approach to investigate the plasma and lipoproteins lipids profile of hypertriglyceridemic patients treated with ERN or a placebo in order to identify new lipids markers associated with this treatment...
July 28, 2017: Cardiovascular Drugs and Therapy
https://www.readbyqxmd.com/read/28748087/antimicrobial-effects-of-lysophosphatidylcholine-on-methicillin-resistant-staphylococcus-aureus
#7
Haruko Miyazaki, Naoko Midorikawa, Saki Fujimoto, Natsumi Miyoshi, Hideto Yoshida, Tetsuya Matsumoto
OBJECTIVES: Methicillin-resistant Staphylococcus aureus (MRSA) is an important health care-associated and community-associated pathogen and causes a large number of infections worldwide. For the purpose of application to topical treatment of MRSA infection, we examined the antimicrobial effects of lysophosphatidylcholine (LPC) on MRSA strains. We also investigated the combination effect of LPC and gentamicin on MRSA growth. METHODS: The LPC minimum inhibitory concentrations (MIC) for Gram-positive (S...
July 2017: Therapeutic Advances in Infectious Disease
https://www.readbyqxmd.com/read/28744204/differences-in-social-decision-making-between-proposers-and-responders-during-the-ultimatum-game-an-eeg-study
#8
Sibylle K Horat, Anne Prévot, Jonas Richiardi, François R Herrmann, Grégoire Favre, Marco C G Merlo, Pascal Missonnier
The Ultimatum Game (UG) is a typical paradigm to investigate social decision-making. Although the behavior of humans in this task is already well established, the underlying brain processes remain poorly understood. Previous investigations using event-related potentials (ERPs) revealed three major components related to cognitive processes in participants engaged in the responder condition, the early ERP component P2, the feedback-related negativity (FRN) and a late positive wave (late positive component, LPC)...
2017: Frontiers in Integrative Neuroscience
https://www.readbyqxmd.com/read/28743813/curative-treatment-of-severe-gram-negative-bacterial-infections-by-a-new-class-of-antibiotics-targeting-lpxc
#9
Nadine Lemaître, Xiaofei Liang, Javaria Najeeb, Chul-Jin Lee, Marie Titecat, Emmanuelle Leteurtre, Michel Simonet, Eric J Toone, Pei Zhou, Florent Sebbane
The infectious diseases caused by multidrug-resistant bacteria pose serious threats to humankind. It has been suggested that an antibiotic targeting LpxC of the lipid A biosynthetic pathway in Gram-negative bacteria is a promising strategy for curing Gram-negative bacterial infections. However, experimental proof of this concept is lacking. Here, we describe our discovery and characterization of a biphenylacetylene-based inhibitor of LpxC, an essential enzyme in the biosynthesis of the lipid A component of the outer membrane of Gram-negative bacteria...
July 25, 2017: MBio
https://www.readbyqxmd.com/read/28739210/bile-salt-stimulated-lipase-inhibition-by-phospholipids-and-relief-by-phospholipase-a2
#10
Elena Venuti, Dmitry Shishmarev, Philip W Kuchel, Shoma Dutt, Caron S Blumenthal, Kevin J Gaskin
INTRODUCTION: Bile salt stimulated lipase (BSSL; Enzyme Commission (EC) number 3.1.1.13) has been a candidate triglyceridase for improving enzyme therapy for pancreatic insufficiency; however, its efficacy is near absent. We hypothesise that similarly to pancreatic lipase, BSSL is inhibited by phospholipids and this inhibition is relieved by Phospholipase A2 (PLA2; EC 3.1.1.4), and the present study was undertaken to explore this possibility. MATERIALS AND METHODS: Synthetic emulsions of triglyceride and phosphatidylcholine (PC) or lysophosphatidylcholine (LPC)/bile salt mixed micelles were used as a model of intestinal digestion-media...
July 21, 2017: Journal of Cystic Fibrosis: Official Journal of the European Cystic Fibrosis Society
https://www.readbyqxmd.com/read/28736321/an-intraprostatic-modified-release-formulation-of-antiandrogen-2-hydroxyflutamide-for-localized-prostate-cancer
#11
T L Tammela, M Häggman, S Ladjevardi, K Taari, T Isotalo, H Lennernäs, J Weis, C von Below, C Wassberg, B Lennernäs, A Tolf, N Axén, C-G Gölander, H Ahlström
PURPOSE: To investigate tolerability, safety and antitumor effects of a novel intra-prostatic depot formulation of antiandrogen 2-hydroxyflutamide (2-HOF in NanoZolid(®)) in men with localized prostate cancer (PCa). MATERIALS AND METHODS: Two clinical trials, LPC-002 and LPC-003, were conducted on a total of 47 men. The formulation was injected transrectally into the prostate with ultrasound guidance. In LPC-002 the effects on prostate specific antigen (PSA) and prostate volume (PV) were measured over 6 months on 24 patients...
July 20, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28735574/multicentre-evaluation-of-a-direct-agglutination-test-prototype-kit-dat-lpc-for-diagnosis-of-visceral-leishmaniasis
#12
E Oliveira, D Oliveira, F A Cardoso, J R Barbosa, A P Marcelino, T Dutra, T Araujo, L Fernandes, D Duque, A Rabello
In this study, we assessed the sensitivity, specificity, and diagnostic accuracy of a previously developed direct agglutination test (DAT) using a freeze-dried antigen derived from Leishmania infantum promastigotes and composed in a prototype kit for visceral leishmaniasis (VL) diagnosis, named DAT-LPC. To evaluate DAT-LPC reproducibility, the kit was used to analyse 207 serum samples from VL patients and 80 serum samples from patients with other parasitic infections or healthy subjects in four laboratories from different public health institutions in Brazil...
July 24, 2017: Parasitology
https://www.readbyqxmd.com/read/28731719/discovery-structure-activity-relationship-and-binding-mode-of-an-imidazo-1-2-a-pyridine-series-of-autotaxin-inhibitors
#13
Agnès Joncour, Nicolas Desroy, Christopher Housseman, Xavier Bock, Natacha Bienvenu, Laëtitia Cherel, Virginie Labeguere, Christophe Peixoto, Denis Annoot, Luce Lepissier, Jörg Heiermann, Willem Jan Hengeveld, Gregor Pilzak, Alain Monjardet, Emanuelle Wakselman, Veronique Roncoroni, Sandrine Le Tallec, René Galien, Christelle David, Nele Vandervoort, Thierry Christophe, Katja Conrath, Mia Jans, Alexandre Wohlkonig, Sameh Soror, Jan Steyaert, Robert Touitou, Damien Fleury, Lionel Vercheval, Patrick Mollat, Nicolas Triballeau, Ellen van der Aar, Reginald Brys, Bertrand Heckmann
Autotaxin (ATX) is a secreted enzyme playing a major role in the production of lysophosphatidic acid (LPA) in blood through hydrolysis of lysophosphatidyl choline (LPC). The ATX-LPA signaling axis arouses a high interest in the drug discovery industry as it has been implicated in several diseases including cancer, fibrotic diseases, and inflammation, among others. An imidazo[1,2-a]pyridine series of ATX inhibitors was identified out of a high-throughput screening (HTS). A cocrystal structure with one of these compounds and ATX revealed a novel binding mode with occupancy of the hydrophobic pocket and channel of ATX but no interaction with zinc ions of the catalytic site...
August 18, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28725182/canonical-and-novel-non-canonical-cholinergic-agonists-inhibit-atp-induced-release-of-monocytic-interleukin-1%C3%AE-via-different-combinations-of-nicotinic-acetylcholine-receptor-subunits-%C3%AE-7-%C3%AE-9-and-%C3%AE-10
#14
Anna Zakrzewicz, Katrin Richter, Alisa Agné, Sigrid Wilker, Kathrin Siebers, Bijan Fink, Gabriela Krasteva-Christ, Mike Althaus, Winfried Padberg, Arik J Hone, J Michael McIntosh, Veronika Grau
Recently, we discovered a cholinergic mechanism that inhibits the adenosine triphosphate (ATP)-dependent release of interleukin-1β (IL-1β) by human monocytes via nicotinic acetylcholine receptors (nAChRs) composed of α7, α9 and/or α10 subunits. Furthermore, we identified phosphocholine (PC) and dipalmitoylphosphatidylcholine (DPPC) as novel nicotinic agonists that elicit metabotropic activity at monocytic nAChR. Interestingly, PC does not provoke ion channel responses at conventional nAChRs composed of subunits α9 and α10...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28716612/impulsive-personality-dimensions-are-associated-with-altered-behavioral-performance-and-neural-responses-in-the-monetary-incentive-delay-task
#15
Ruolei Gu, Yang Jiang, Seth Kiser, Chelsea L Black, Lucas S Broster, Yue-Jia Luo, Thomas H Kelly
Individual differences in dimensions of impulsivity personality including disinhibition and sensation seeking modulate approach responses to reinforcing stimuli, such as drugs and money. The current study examined the effects of monetary incentive on both behavioral performance and electrophysiological activity among individuals varying in disinhibition and sensation seeking. The monetary incentive delay (MID) task was completed under electroencephalogram (EEG) recording. Behavioral data showed that higher disinhibition and sensation-seeking were associated with lower performance accuracy...
July 15, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28715731/metabolomics-analysis-reveals-that-benzo-a-pyrene-a-component-of-pm2-5-promotes-pulmonary-injury-by-modifying-lipid-metabolism-in-a-phospholipase-a2-dependent-manner-in-vivo-and-in-vitro
#16
Song-Yang Zhang, Danqing Shao, Huiying Liu, Juan Feng, Baihuan Feng, Xiaoming Song, Qian Zhao, Ming Chu, Changtao Jiang, Wei Huang, Xian Wang
Particulate matter with an aerodynamic diameter less than 2.5μM (PM2.5) is one of the major environmental pollutants in China. In this study, we carried out a metabolomics profile study on PM2.5-induced inflammation. PM2.5 from Beijing, China, was collected and given to rats through intra-tracheal instillation in vivo. Acute pulmonary injury were observed by pulmonary function assessment and H.E. staining. The lipid metabolic profile was also altered with increased phospholipid and sphingolipid metabolites in broncho-alveolar lavage fluid (BALF) after PM2...
July 4, 2017: Redox Biology
https://www.readbyqxmd.com/read/28714685/adsorption-coupled-diffusion-of-gold-nanoclusters-within-a-large-pore-protein-crystal-scaffold
#17
Luke F Hartje, Brian Munsky, Thomas W Ni, Christopher J Ackerson, Christopher D Snow
Large-pore protein crystals (LPCs) are ordered biologically derived nanoporous materials exhibiting pore diameters greater than 8 nm. These substantial pores distinguish LPCs from typical nanoporous scaffolds, enabling engineered LPC materials to readily uptake, immobilize, and release macromolecular guests. In this study, macromolecular transport within an LPC environment was experimentally and computationally investigated by studying adsorption-coupled diffusion of Au25(glutathione)18 nanoclusters within a cross-linked LPC scaffold via time-lapse confocal microscopy, bulk equilibrium adsorption, and hindered diffusion simulation...
August 7, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28714104/chronic-inflammation-elicited-liver-progenitor-cell-conversion-to-liver-cancer-stem-cell-with-clinical-significance
#18
Xiao-Feng Li, Cheng Chen, Dai-Min Xiang, Le Qu, Wen Sun, Xin-Yuan Lu, Teng-Fei Zhou, Shu-Zhen Chen, Bei-Fang Ning, Zhuo Cheng, Ming-Yang Xia, Wei-Feng Shen, Wen Yang, Wen Wen, Terence Kin Wah Lee, Wen-Ming Cong, Hong-Yang Wang, Jin Ding
The substantial heterogeneity and hierarchical organization in liver cancer supports the theory of liver cancer stem cell (LCSC). However, the relationship between chronic hepatic inflammation and LCSC generation remains obscure. Here we observed a close correlation between aggravated inflammation and liver progenitor cell (LPC) propagation in the cirrhotic liver of rats exposed to diethylnitrosamine. LPCs isolated from the rat cirrhotic liver initiated subcutaneous liver cancers in NOD/SCID mice, suggesting the malignant transformation of LPC toward LCSC...
July 17, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28708712/extended-second-window-of-protection-of-sevoflurane-induced-preconditioning
#19
Friederike Behmenburg, Yvonne Boekholt, Patrick van Caster, Marianne Dorsch, André Heinen, Markus W Hollmann, Ragnar Huhn
Late preconditioning (LPC) can be induced by volatile anesthetics and initiates cardioprotection against ischemia/reperfusion injury for three to four days. We investigated the possibility to extend the time window of sevoflurane-induced LPC by repeated sevoflurane administration. An in vivo rat model of regional myocardial ischemia/reperfusion injury was used. Myocardial infarct size was determined by TTC staining at the end of the experiment. In the first series of experiments, male Wistar rats were randomized to five groups (each n=8)...
July 13, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28706479/impact-of-semantic-relatedness-on-associative-memory-an-erp-study
#20
Pierre Desaunay, Patrice Clochon, Franck Doidy, Anna Lambrechts, Dermot M Bowler, Priscille Gérardin, Jean-Marc Baleyte, Francis Eustache, Bérengère Guillery-Girard
Encoding and retrieval processes in memory for pairs of pictures are thought to be influenced by inter-item similarity and by features of individual items. Using Event-Related Potentials (ERP), we aimed to identify how these processes impact on both the early mid-frontal FN400 and the Late Positive Component (LPC) potentials during associative retrieval of pictures. Twenty young adults undertook a sham task, using an incidental encoding of semantically related and unrelated pairs of drawings. At test, we conducted a recognition task in which participants were asked to identify target identical pairs of pictures, which could be semantically related or unrelated, among new and rearranged pairs...
2017: Frontiers in Human Neuroscience
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