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https://www.readbyqxmd.com/read/28721089/combination-treatment-of-neuropathic-pain-danish-expert-recommendations-based-on-a-delphi-process
#1
EDITORIAL
Jakob Vormstrup Holbech, Anne Jung, Torsten Jonsson, Mette Wanning, Claus Bredahl, Flemming W Bach
BACKGROUND: Current Danish treatment algorithms for pharmacological treatment of neuropathic pain (NeP) are tricyclic antidepressants (TCA), gabapentin and pregabalin as first-line treatment for the most common NeP conditions. Many patients have insufficient pain relief on monotherapy, but combination therapy had not been included in guidelines until recently. Based on clinical empiricism and scientific evidence, a Delphi consensus process provided a consolidated guidance on pharmacological combination treatment of NeP...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28720068/inhibitory-effect-of-par-4-combined-with-cisplatin-on-human-wilms-tumor-cells
#2
Jun Wang, Yunjie Li, Fangfang Ma, Huifeng Zhou, Rong Ding, Binbin Lu, Li Zou, Junxia Li, Rugang Lu
Wilms' tumor is associated with a high treatment success rate, but there is still a risk of recurrence. Cisplatin, which is one of the chemotherapeutic agents used for its treatment, is associated with a very high rate of resistance. Par-4 (prostate apoptosis response 4) is a tumor suppressor, which is capable of sensitizing tumor cells to chemotherapy. Therefore, the aim of this study was to determine whether combined treatment with Par-4 and cisplatin is effective for inhibiting growth of Wilms' tumor. Wilms' tumor and control cell samples were collected and analyzed by immunofluorescence assay and immunohistochemistry...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28719731/anatomical-vs-functional-motor-points-of-selected-upper-body-muscles
#3
Alexander Franz, Joschua Klaas, Moritz Schumann, Thomas Frankewitsch, Timm J Filler, Michael Behringer
Introduction We aimed to identify nerve entry points (NEP) of superficial skeletal muscles obtained by dissection of 20 human cadavers and to compare those to motor points (MP) previously obtained by electrical stimulation. Methods The biceps brachii- (BB), trapezius (TZ), latissimus dorsi (LD), pectoralis major (Pmaj) and pectoralis minor muscles (Pmin) were dissected from human cadavers. Mean values ±SD of the NEPs of each muscle were calculated. F-tests with Bonferroni corrections were used to compare NEPs and MPs...
July 18, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28714088/pressure-based-alkaline-lysis-with-immunocapture-a-method-for-enhanced-recovery-in-differential-extraction
#4
Vanessa Martinez, Deepthi Nori, Pero Dimsoski, Bruce McCord
A pressure based protocol for differential extraction has been optimized to provide a rapid and selective alternative to conventional differential extraction techniques with the advantage of an increased recovery of genomic DNA. The protocol involves treating cotton swabs containing mixtures of sperm and vaginal epithelial cells with 2 sets of pressure treatment using a Barocycler(®) NEP 2320 in alkaline conditions. This first step quantitatively and selectively removes female epithelial cells. The cotton swab is removed and further treated with alkali at 95°C for the removal of sperm cell DNA...
July 17, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28711849/fertilizer-efficiency-in-wheat-is-reduced-by-ozone-pollution
#5
Malin C Broberg, Johan Uddling, Gina Mills, Håkan Pleijel
Inefficient use of fertilizers by crops increases the risk of nutrient leaching from agro-ecosystems, resulting in economic loss and environmental contamination. We investigated how ground-level ozone affects the efficiency by which wheat used applied nitrogen (N) fertilizer to produce grain protein (NEP, N efficiency with respect to protein yield) and grain yield (NEY, N efficiency with respect to grain yield) across a large number of open-top chamber field experiments. Our results show significant negative ozone effects on NEP and NEY, both for a larger data set obtained from data mining (21 experiments, 70 treatments), and a subset of data for which stomatal ozone flux estimates were available (7 experiments, 22 treatments)...
July 13, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28689178/sacubitril-valsartan-beyond-natriuretic-peptides
#6
REVIEW
Jagdeep S S Singh, Louise M Burrell, Myriam Cherif, Iain B Squire, Andrew L Clark, Chim C Lang
Natriuretic peptides, especially B-type natriuretic peptide (BNP), have primarily been regarded as biomarkers in heart failure (HF). However, they are also possible therapeutic agents due to their potentially beneficial physiological effects. The angiotensin receptor-neprilysin inhibitor, sacubitril/valsartan, simultaneously augments the natriuretic peptide system (NPS) by inhibiting the enzyme neprilysin (NEP) and inhibits the renin-angiotensin-aldosterone system (RAAS) by blocking the angiotensin II receptor...
July 8, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28685579/synthetic-modification-within-the-rprl-region-of-apelin-peptides-impact-on-cardiovascular-activity-and-stability-to-neprilysin-and-plasma-degradation
#7
Shaun M K McKinnie, Wang Wang, Conrad Fischer, Tyler McDonald, Kevin R Kalin, Xavier Iturrioz, Catherine Llorens-Cortes, Gavin Y Oudit, John C Vederas
Apelin is an important mammalian peptide hormone with a range of physiological roles, especially in the cardiovascular system. The apelinergic system is a promising target for treatment of disease, but this remains to be realized due to rapid proteolysis of apelin-derived peptides by proteases, including neprilysin (NEP). The synthetic analogues modified within the NEP degradation site ("RPRL" motif) showed improved in vitro proteolytic stability while maintaining receptor-binding affinities, with three candidate peptides retaining full cardiovascular activities for potential therapeutic application...
July 7, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28685473/quantitative-biology-of-exercise-induced-signal-transduction-pathways
#8
Timon Cheng-Yi Liu, Gang Liu, Shao-Juan Hu, Ling Zhu, Xiang-Bo Yang, Quan-Guang Zhang
Exercise is essential in regulating energy metabolism. Exercise activates cellular, molecular, and biochemical pathways with regulatory roles in training response adaptation. Among them, endurance/strength training of an individual has been shown to activate its respective signal transduction pathways in skeletal muscle. This was further studied from the viewpoint of quantitative difference (QD). For the mean values, [Formula: see text], of two sets of data, their QD is defined as [Formula: see text] ([Formula: see text])...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28676269/substituted-%C3%AE-mercaptoketones-new-types-of-specific-neprilysin-inhibitors
#9
Hervé Poras, Rémi Patouret, Simon Leiris, Tanja Ouimet, Marie-Claude Fournié-Zaluski, Bernard P Roques
New neprilysin inhibitors containing an α-mercaptoketone HSC(R(1)R(2))CO group, as zinc ligand were designed. Two parameters were explored for potency optimization: the size of the inhibitor which could interact with the S1, S1' or S2' domain of the enzyme and the nature of the substituents R(1), R(2) of the mercaptoketone group. Introduction of a cyclohexyl chain in R(1), R(2) position and a (3-thiophen)benzyl group in position R(3) (compound 12n) yielded to the most potent inhibitor of this series with a Ki value of 2±0...
June 21, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28675992/a-microbolometer-system-for-radiation-detection-in-the-thz-frequency-range-with-a-resonating-cavity-fabricated-in-the-cmos-technology
#10
Aleksander Sesek, Andrej Zemva, Janez Trontelj
BACKGROUND: The THz sensors using microbolometers as a sensing element are reported as one of the most sensitive room-temperature THz detectors suitable for THz imaging and spectroscopic applications. Microbolometer detectors are usually fabricated using different types of the MEMS technology. The patent for the detection system presented in this paper describes a method for microbolometer fabrication using a standard CMOS technology with advanced micromachining techniques. The measured sensitivity of the sensors fabricated by the patented method is 1000 V/W at an optimal frequency and is determined by the performance of a double-dipole antenna and quarter-wavelength resonant cavity...
July 4, 2017: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/28675462/emb2738-which-encodes-a-putative-plastid-targeted-gtp-binding-protein-is-essential-for-embryogenesis-and-chloroplast-development-in-higher-plants
#11
Lin-Shan Ye, Qin Zhang, Hui Pan, Chao Huang, Zhong-Nan Yang, Qing-Bo Yu
In higher plants, chloroplasts carry out many important functions, and normal chloroplast development is required for embryogenesis. Numerous chloroplast-targeted proteins involved in embryogenesis have been identified. Nevertheless, their functions remain unclear. In this study, a chloroplast-localized protein, EMB2738, was reported to be involved in Arabidopsis embryogenesis. EMB2738 knockout led to defective embryos, and the embryo development in emb2738 s was interrupted after the globular stage. Complementation experiments identified the AT3G12080 locus as EMB2738...
July 4, 2017: Physiologia Plantarum
https://www.readbyqxmd.com/read/28674290/elucidating-pathogenic-mechanisms-of-early-onset-alzheimer-s-disease-in-down-syndrome-patients
#12
Masashi Asai, Takashi Kawakubo, Ryotaro Mori, Nobuhisa Iwata
 Down syndrome (DS) patients demonstrate the neuropathology of Alzheimer's disease (AD) characterized by the formation of senile plaques and neurofibrillary tangles by age 40-50 years. It has been considered for a number of years that 1.5-fold expression of the gene for the amyloid precursor protein (APP) located on chromosome 21 leading to overproduction of amyloid-β peptide (Aβ) results in the early onset of AD in adults with DS. However, the mean age of onset of familial AD with the Swedish mutation on APP which has high affinity for β-secretase associated with a dramatic increase in Aβ production is about 55 years...
2017: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/28669086/why-is-it-so-difficult-to-measure-glucagon-like-peptide-1-in-a-mouse
#13
Johanne A Windeløv, Nicolai J Wewer Albrechtsen, Rune E Kuhre, Sara L Jepsen, Daniel Hornburg, Jens Pedersen, Elisa P Jensen, Katrine D Galsgaard, Marie Winther-Sørensen, Anne Ørgaard, Carolyn F Deacon, Matthias Mann, Hannelouise Kissow, Bolette Hartmann, Jens J Holst
AIMS/HYPOTHESIS: In humans, glucagon-like peptide-1 (GLP-1) is rapidly degraded by dipeptidyl peptidase-4 to a relatively stable metabolite, GLP-1(9-36)NH2, which allows measurement of GLP-1 secretion. However, little is known about the kinetics of the GLP-1 metabolite in mice. We hypothesised that the GLP-1 metabolite is rapidly degraded in this species by neutral endopeptidase(s) (NEP[s]). METHODS: We administered glucose, mixed meal or water orally to 256 mice, and took blood samples before and 2, 6, 10, 20, 30, 60 or 90 min after stimulation...
July 1, 2017: Diabetologia
https://www.readbyqxmd.com/read/28660963/ultra-high-sensitivity-infra-red-detection-and-temperature-effects-in-a-graphene-tellurium-nanowire-binary-hybrid
#14
Avradip Pradhan, Ahin Roy, Shalini Tripathi, Anirban Som, Depanjan Sarkar, Jayanta Kumar Mishra, Kallol Roy, T Pradeep, N Ravishankar, Arindam Ghosh
The optoelectronic performance of hybrid devices from graphene and optically sensitive semiconductors exceeds conventional photodetectors due to a large in-built optical gain. Tellurium nanowire (TeNW), being a narrow direct band gap semiconductor (∼0.65 eV), is as an excellent potential candidate for near infra-red (NIR) detection. Here we demonstrate a new graphene-TeNW binary hybrid that exhibits a maximum photoresponsivity of ∼10(6) A W(-1) at 175 K in the NIR regime (920 nm-1720 nm), which exceeds the photoresponsivity of the most common NIR photodetectors...
July 13, 2017: Nanoscale
https://www.readbyqxmd.com/read/28656081/effect-of-rosiglitazone-on-amyloid-precursor-protein-processing-and-a%C3%AE-clearance-in-streptozotocin-induced-rat-model-of-alzheimer-s-disease
#15
Li Wang, Wei Liu, Ying Fan, Tingting Liu, Chunjiang Yu
OBJECTIVES: Increasing evidence suggests that Alzheimer's disease (AD) is associated with diabetes. Rosiglitazone, a peroxisome proliferator-activated receptor γ (PPAR-γ) agonist and anti-diabetic agent, may improve symptoms of AD. However, the underlying therapeutic potential of it has not been fully elucidated. MATERIALS AND METHODS: Rats were divided into four groups: control group, sham operated group, Streptozotocin (STZ) group, rosiglitazone (RGZ) group...
May 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28644724/modeling-long-term-effects-attributed-to-nitrogen-dioxide-no2-and-sulfur-dioxide-so2-exposure-on-asthma-morbidity-in-a-nationwide-cohort-in-israel
#16
N Greenberg, R S Carel, E Derazne, A Tiktinsky, D Tzur, B A Portnov
Studies have provided extensive documentation that acutely elevated environmental exposures contribute to chronic health problems. However, only attention has been paid to the effects of modificate of exposure assessment methods in environmental health investigations, leading to uncertainty and gaps in our understanding of exposure- and dose-response relationships. The goal of the present study was to evaluate whether average or peak concentration exerts a greater influence on asthma outcome, and which of the exposure models may better explain various physiological responses generated by nitrogen dioxide (NO2) or sulfur dioxide (SO2) air pollutants...
2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28636973/amide-to-triazole-switch-vs-in-vivo-nep-inhibition-approaches-to-promote-radiopeptide-targeting-of-grpr-positive-tumors
#17
Theodosia Maina, Aikaterini Kaloudi, Ibai E Valverde, Thomas L Mindt, Berthold A Nock
INTRODUCTION: Radiolabeled bombesin (BBN)-analogs have been proposed for diagnosis and therapy of gastrin-releasing peptide receptor (GRPR)-expressing tumors, such as prostate, breast and lung cancer. Metabolic stability represents a crucial factor for the success of this approach by ensuring sufficient delivery of circulating radioligand to tumor sites. The amide-to-triazole switch on the backbone of DOTA-PEG4-[Nle(14)]BBN(7-14) (1) was reported to improve the in vitro stability of resulting (177)Lu-radioligands...
June 10, 2017: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/28619629/scales-and-drivers-of-seasonal-pco2-dynamics-and-net-ecosystem-exchange-along-the-coastal-waters-of-southeastern-arabian-sea
#18
Vishnu Vardhan Kanuri, Durga Rao Gijjapu, Kumaraswami Munnooru, Appalanaidu Sura, Sivaji Patra, Ranga Rao Vinjamuri, Ramu Karri
The impact of seasonal coastal upwelling on the dynamics of dissolved inorganic carbon (DIC) and sea-air fluxes of CO2 along the coastal waters of Kochi was investigated during 2015, as a part of Ecosystem Modelling Project. The surface water pCO2 varied from 396 to 630μatm during the study period. Significant inter-seasonal variations were found in the distribution of physico-chemical variables and surface pCO2. An increase of 102.1μatm of pCO2 was noticed over a two-decade period with a rate of 5.3μatmy(-1)...
June 12, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28614750/2d-cos-of-in-situ-%C3%AE-raman-and-in-situ-ir-spectra-for-structure-evolution-characterisation-of-nep-deposited-cobalt-oxide-catalyst-during-n-nonane-combustion
#19
Damian K Chlebda, Przemysław J Jodłowski, Roman J Jędrzejczyk, Joanna Łojewska
New catalytic systems are still in development to meet the challenge of regulations concerning the emission of volatile organic compounds (VOCs). This is because such compounds have a significant impact on air quality and some of them are toxic to the environment and human beings. The catalytic combustion process of VOCs over non-noble metal catalysts is of great interest to researchers. The high conversion parameters and cost effective preparation makes them a valuable alternative to monoliths and noble metal catalysts...
June 6, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28597189/a-podocyte-view-of-membranous-nephropathy-from-heymann-nephritis-to-the-childhood-human-disease
#20
REVIEW
Pierre Ronco, Hanna Debiec
Membranous nephropathy (MN) is characterized by an accumulation of immune deposits on the subepithelial side of the glomerular basement membrane, which results in complement activation and proteinuria. Since 2002, several major antigens of the podocyte have been identified in human MN, the first one being neutral endopeptidase (NEP), the alloantigen involved in neonatal cases of MN that occur in newborns from NEP-deficient mothers. This discovery opened the field to the major advances that have occurred since then in the pathophysiology and treatment of MN...
June 8, 2017: Pflügers Archiv: European Journal of Physiology
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