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https://www.readbyqxmd.com/read/28063555/diagnostic-%C3%A3-valuation-et-prise-en-charge-des-troubles-hypertensifs-de-la-grossesse-r%C3%A3-sum%C3%A3-directif
#1
Laura A Magee, Anouk Pels, Michael Helewa, Evelyne Rey, Peter von Dadelszen
No abstract text is available yet for this article.
December 2016: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28063451/relationship-between-the-potential-energy-landscape-and-the-dynamic-crossover-in-a-water-like-monatomic-liquid-with-a-liquid-liquid-phase-transition
#2
Gang Sun, Limei Xu, Nicolas Giovambattista
In the case of fragile liquids, dynamical properties such as the structural relaxation time evolve from Arrhenius at high-temperatures to non-Arrhenius at low temperatures. Computational studies show that (i) in the Arrhenius dynamic domain, the liquid samples regions of the potential energy landscape (PEL) that are insensitive to temperature (PEL-independent regime) and the relaxation is exponential, while (ii) in the non-Arrhenius dynamic domain, the topography of the PEL explored by the liquid varies with temperature (PEL-influenced regime) and the relaxation is non-exponential...
January 7, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28060523/anti-inflammatory-effects-of-pelargonidin-on-tgfbip-induced-responses
#3
Seongdo Jeong, Sae-Kwang Ku, Jong-Sup Bae
Transforming growth factor β induced protein (TGFBIp) is an extracellular matrix protein expressed in several cell types in response to TGF-β. TGFBIp is released by human umbilical vein endothelial cells (HUVECs) and functions as a mediator of experimental sepsis. Pelargonidin (PEL) is a well-known red pigment found in plants, and has been reported as having important biological activities that are potentially beneficial for human health. This study was undertaken to investigate whether PEL can modulate TGFBIp-mediated inflammatory responses in HUVECs and in mice...
November 1, 2016: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28057051/what-is-the-normal-value-of-the-neutrophil-to-lymphocyte-ratio
#4
Patrice Forget, Céline Khalifa, Jean-Philippe Defour, Dominique Latinne, Marie-Cécile Van Pel, Marc De Kock
BACKGROUND: Neutrophil-to-lymphocyte ratio (NLR) has proven its prognostic value in cardiovascular diseases, infections, inflammatory diseases and in several types of cancers. However, no cut-off has been proposed on the basis of reference values coming from healthy population. METHODS: Routine blood samples were obtained (n = 413) from workers (age: median 38, range: 21-66 years) involved in a health care prevention program, to determine means, standard deviations (SDs), 95% confidence intervals (95% CI), percentiles P2...
January 3, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28040601/a-novel-elastic-liposome-for-skin-delivery-of-papain-and-its-application-on-hypertrophic-scar
#5
Yan-Yan Chen, Ye-Hui Lu, Chun-Hua Ma, Wei-Wei Tao, Jing-Juan Zhu, Xu Zhang
This study aims to investigate the therapeutic effects of papain elastic liposomes (PEL) on hypertrophic scar through topical application. PEL were prepared using the reverse-phase evaporation method and optimized by response surface methodology. The transdermal absorption of optimized PEL was tested by vertical Franz diffusion cells in vitro. The effects of PEL were investigated in rabbit model of hypertrophic scar in vivo, histological analysis and scar-related proteins were detected to reveal potential scar repair mechanism...
December 29, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28040177/regulation-of-the-synthesis-of-pulp-degrading-enzymes-in-bacillus-isolated-from-cocoa-fermentation
#6
Honoré G Ouattara, Sylvie Reverchon, Sébastien L Niamke, William Nasser
Pectin degrading enzymes are essential for quality of product from cocoa fermentation. Previously, we studied purified pectate lyases (Pel) produced by Bacillus strains from fermenting cocoa and characterized the cloned pel genes. This study aims to search for biological signals that modulates Pel production and regulators that influence pel gene expression. Strains were grown to the end of exponential phase in media containing various carbon sources. Pel enzymes production in Bacillus was unaffected by simple sugar content variation up to 2%...
May 2017: Food Microbiology
https://www.readbyqxmd.com/read/28028551/structure-based-engineering-of-a-pectate-lyase-with-improved-specific-activity-for-ramie-degumming
#7
Zhanping Zhou, Yang Liu, Zhenying Chang, Huilin Wang, André Leier, Tatiana T Marquez-Lago, Yanhe Ma, Jian Li, Jiangning Song
Biotechnological applications of microbial pectate lyases (Pels) in plant fiber processing are promising, eco-friendly substitutes for conventional chemical degumming processes. However, to potentiate the enzymes' use for industrial applications, resolving the molecular structure to elucidate catalytic mechanisms becomes necessary. In this manuscript, we report the high resolution (1.45 Å) crystal structure of pectate lyase (pelN) from Paenibacillus sp. 0602 in apo form. Through sequence alignment and structural superposition with other members of the polysaccharide lyase (PL) family 1 (PL1), we determined that pelN shares the characteristic right-handed β-helix and is structurally similar to other members of the PL1 family, while exhibiting key differences in terms of catalytic and substrate binding residues...
December 27, 2016: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28018204/bayesian-analysis-of-perceived-eye-level
#8
Elaine E Orendorff, Laurynas Kalesinskas, Robert T Palumbo, Mark V Albert
To accurately perceive the world, people must efficiently combine internal beliefs and external sensory cues. We introduce a Bayesian framework that explains the role of internal balance cues and visual stimuli on perceived eye level (PEL)-a self-reported measure of elevation angle. This framework provides a single, coherent model explaining a set of experimentally observed PEL over a range of experimental conditions. Further, it provides a parsimonious explanation for the additive effect of low fidelity cues as well as the averaging effect of high fidelity cues, as also found in other Bayesian cue combination psychophysical studies...
2016: Frontiers in Computational Neuroscience
https://www.readbyqxmd.com/read/28006859/pure-erythroid-leukemia
#9
REVIEW
Wei Wang, Sa A Wang, L Jeffrey Medeiros, Joseph D Khoury
The category of acute erythroid leukemia was significantly revised in the recently published 2016 revision to the World Health Organization (WHO) classification of myeloid neoplasms. In previous 2008 WHO classification, acute erythroid leukemia was categorized into two subtypes: erythroleukemia and pure erythroid leukemia (PEL), whereas in the 2016 WHO update, erythroleukemia was merged into myelodysplastic syndrome and PEL becomes the only type of acute erythroid leukemia. PEL is a rare and aggressive type of acute leukemia with a lot remaining unknown...
December 22, 2016: American Journal of Hematology
https://www.readbyqxmd.com/read/27984880/potential-energy-landscape-of-the-apparent-first-order-phase-transition-between-low-density-and-high-density-amorphous-ice
#10
Nicolas Giovambattista, Francesco Sciortino, Francis W Starr, Peter H Poole
The potential energy landscape (PEL) formalism is a valuable approach within statistical mechanics to describe supercooled liquids and glasses. Here we use the PEL formalism and computer simulations to study the pressure-induced transformations between low-density amorphous ice (LDA) and high-density amorphous ice (HDA) at different temperatures. We employ the ST2 water model for which the LDA-HDA transformations are remarkably sharp, similar to what is observed in experiments, and reminiscent of a first-order phase transition...
December 14, 2016: Journal of Chemical Physics
https://www.readbyqxmd.com/read/27959736/fully-implanted-brain-computer-interface-in-a-locked-in-patient-with-als
#11
Mariska J Vansteensel, Elmar G M Pels, Martin G Bleichner, Mariana P Branco, Timothy Denison, Zachary V Freudenburg, Peter Gosselaar, Sacha Leinders, Thomas H Ottens, Max A Van Den Boom, Peter C Van Rijen, Erik J Aarnoutse, Nick F Ramsey
Options for people with severe paralysis who have lost the ability to communicate orally are limited. We describe a method for communication in a patient with late-stage amyotrophic lateral sclerosis (ALS), involving a fully implanted brain-computer interface that consists of subdural electrodes placed over the motor cortex and a transmitter placed subcutaneously in the left side of the thorax. By attempting to move the hand on the side opposite the implanted electrodes, the patient accurately and independently controlled a computer typing program 28 weeks after electrode placement, at the equivalent of two letters per minute...
November 24, 2016: New England Journal of Medicine
https://www.readbyqxmd.com/read/27925401/dickeya-dadantii-pectic-enzymes-necessary-for-virulence-are-also-responsible-for-activation-of-the-arabidopsis-thaliana-innate-immune-system
#12
Dominique Expert, Oriane Patrit, Vladimir E Shevchik, Claude Perino, Virginie Boucher, Creze Christophe, Estelle Wenes, Mathilde Fagard
Soft-rot diseases of plants attributed to Dickeya dadantii result from lysis of plant cell wall due to pectic enzymes released by the bacterial cell by a type II secretion system (T2SS). A. thaliana can express several lines of defence against this bacterium. We employed bacterial mutants with defective envelope structures or secreted proteins to examine early plant defence reactions. We focused on the production of AtrbohD-dependent ROS, callose deposition and cell death as indicators of these reactions. We observed a significant reduction in ROS and callose formation with a bacterial mutant where genes encoding five pectate lyases (Pels) were disrupted...
December 7, 2016: Molecular Plant Pathology
https://www.readbyqxmd.com/read/27907079/identification-of-pectin-degrading-enzymes-secreted-by-xanthomonas-oryzae-pv-oryzae-and-determination-of-their-role-in-virulence-on-rice
#13
Lavanya Tayi, Roshan V Maku, Hitendra Kumar Patel, Ramesh V Sonti
Xanthomonas oryzae pv.oryzae (Xoo) causes the serious bacterial blight disease of rice. Xoo secretes a repertoire of plant cell wall degrading enzymes (CWDEs) like cellulases, xylanases, esterases etc., which act on various components of the rice cell wall. The major cellulases and xylanases secreted by Xoo have been identified and their role in virulence has been determined. In this study, we have identified some of the pectin degrading enzymes of Xoo and assessed their role in virulence. Bioinformatics analysis indicated the presence of four pectin homogalacturonan (HG) degrading genes in the genome of Xoo...
2016: PloS One
https://www.readbyqxmd.com/read/27893813/azidothymidine-sensitizes-primary-effusion-lymphoma-cells-to-kaposi-sarcoma-associated-herpesvirus-specific-cd4-t-cell-control-and-inhibits-virf3-function
#14
Samantha J Williamson, Samantha M Nicol, Michael Stürzl, Shereen Sabbah, Andrew D Hislop
Kaposi sarcoma-associated herpesvirus (KSHV) is linked with the development of Kaposi sarcoma and the B lymphocyte disorders primary effusion lymphoma (PEL) and multi-centric Castleman disease. T cell immunity limits KSHV infection and disease, however the virus employs multiple mechanisms to inhibit efficient control by these effectors. Thus KSHV-specific CD4+ T cells poorly recognize most PEL cells and even where they can, they are unable to kill them. To make KSHV-infected cells more sensitive to T cell control we treated PEL cells with the thymidine analogue azidothymidine (AZT), which sensitizes PEL lines to Fas-ligand and TRAIL challenge; effector mechanisms which T cells use...
November 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27888664/ebv-associated-but-hhv8-unrelated-double-hit-effusion-based-lymphoma
#15
Bo-Jung Chen, David Yen-Ting Chen, Chun-Chi Kuo, Shih-Sung Chuang
Effusion-based lymphoma is a rare and unique type of large B-cell lymphoma presenting in effusion without a mass lesion. It shares many clinicopathological features with primary effusion lymphoma (PEL), but is distinct from PEL by the absence of HHV8 association. Double hit lymphoma (DHL) is an aggressive B-cell lymphoma, defined by concurrent rearrangement of MYC and BCL2 or BCL6. DHL often presents as lymphadenopathy or an extranodal mass, but rarely occurs in effusion. Here we report a 61-year-old male with alcoholic cirrhosis presenting as massive ascites and left pleural effusion...
November 26, 2016: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/27884151/unearthing-the-transition-rates-between-photoreceptor-conformers
#16
Robert W Smith, Britta Helwig, Adrie H Westphal, Eran Pel, Maximilian Hörner, Hannes M Beyer, Sophia L Samodelov, Wilfried Weber, Matias D Zurbriggen, Jan Willem Borst, Christian Fleck
BACKGROUND: Obtaining accurate estimates of biological or enzymatic reaction rates is critical in understanding the design principles of a network and how biological processes can be experimentally manipulated on demand. In many cases experimental limitations mean that some enzymatic rates cannot be measured directly, requiring mathematical algorithms to estimate them. Here, we describe a methodology that calculates rates at which light-regulated proteins switch between conformational states...
November 25, 2016: BMC Systems Biology
https://www.readbyqxmd.com/read/27871188/what-can-35-years-and-over-700-000-measurements-tell-us-about-noise-exposure-in-the-mining-industry
#17
Benjamin Roberts, Kan Sun, Richard L Neitzel
OBJECTIVE: To analyse over 700,000 cross-sectional measurements from the Mine Safety and Health Administration (MHSA) and develop statistical models to predict noise exposure for a worker. DESIGN: Descriptive statistics were used to summarise the data. Two linear regression models were used to predict noise exposure based on MSHA-permissible exposure limit (PEL) and action level (AL), respectively. Twofold cross validation was used to compare the exposure estimates from the models to actual measurement...
November 22, 2016: International Journal of Audiology
https://www.readbyqxmd.com/read/27859456/clinical-characteristics-and-survival-outcome-of-primary-effusion-lymphoma-a-review-of-105-patients
#18
Mohamed Abd El-Fattah
Primary effusion lymphoma (PEL) is a rare and an aggressive B-cell non-Hodgkin lymphoma with a distinctive clinicobiological features. As a result of the rarity of this malignancy, the overwhelming majority of data come from a case reports or series. Our study aimed to evaluate the clinical features and the survival outcomes of 105 patients with PEL who diagnosed between 2001 and 2012 from the Surveillance Epidemiology and End Results database 18 of the US National Cancer Institute. The Kaplan-Meier curves were constructed and the multivariate Cox model was built to identify survival prognostic factors...
November 18, 2016: Hematological Oncology
https://www.readbyqxmd.com/read/27849537/adaptive-progressive-motion-vector-resolution-selection-based-on-rate-distortion-optimization
#19
Zhao Wang, Shiqi Wang, Jian Zhang, Siwei Ma
In the state-of-the-art H.265/HEVC video coding standard, the motion vector (MV) resolution is fixed to be 1/4-pel for the entire video sequence, while the inherent video characteristics, e.g. texture complexities and motion activities have been largely ignored. Obviously such strategy may not suffice the demand of high-accuracy motion compensation. In this paper, we propose a specially designed rate-distortion model in terms of the MV resolution by taking the video characteristics into consideration. In particular, the MV resolution selection is formulated as a rate-distortion optimization problem by analyzing the rate-distortion cost of each MV resolution candidate...
November 10, 2016: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/27829174/a-chimeric-protein-composed-of-numa-fused-to-the-dna-binding-domain-of-lana-is-sufficient-for-the-ori-p-dependent-dna-replication
#20
Eriko Ohsaki, Keiji Ueda
The Kaposi's sarcoma-associated herpesvirus (KSHV) genome is stably maintained in KSHV-infected PEL cell lines during cell division. We previously showed that accumulation of LANA in the nuclear matrix fraction could be important for the latent DNA replication, and that the functional significance of LANA should be its recruitment of ori-P to the nuclear matrix. Here, we investigated whether the forced localization of the LANA-DNA binding domain (DBD) to the nuclear matrix facilitated ori-P-containing plasmid replication...
November 6, 2016: Virology
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