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https://www.readbyqxmd.com/read/28213211/application-of-2d-hplc-coupled-with-principal-component-analysis-to-study-an-industrial-opiate-processing-stream
#1
Paul G Stevenson, Niki K Burns, Stuart D Purcell, Paul S Francis, Neil W Barnett, Fiona Fry, Xavier A Conlan
Principal component analysis (PCA) loading plots were used to elucidate key differences between two-dimensional high performance liquid chromatography (2D-HPLC) fingerprint data from samples collected from stages along the Papaver somniferum industrial process chemistry workflow. Data reduction was completed using a 2D-HPLC peak picking approach as a precursor to chemometric analysis. Using comparisons of the final stages of product extraction as an example, PCA analysis of characteristic 2D-HPLC fingerprints accounted for 84...
May 1, 2017: Talanta
https://www.readbyqxmd.com/read/28212832/motor-dysfunction-and-alterations-in-glutathione-concentration-cholinesterase-activity-and-bdnf-expression-in-substantia-nigra-pars-compacta-in-rats-with-pedunculopontine-lesion
#2
Lisette Blanco-Lezcano, Javier Jimenez-Martin, Mei-Li Díaz-Hung, Esteban Alberti-Amador, Maylin Wong-Guerra, Ma Elena González-Fraguela, Bárbara Estupiñán-Díaz, Teresa Serrano-Sánchez, Liliana Francis-Turner, Susana Delgado-Ocaña, Yanier Núñez-Figueredo, Yamilé Vega-Hurtado, Isabel Fernández-Jiménez
Pedunculopontine nucleus (PPN) has been considered a critically important region in the regulation of some of the physiological functions that fail during the progression of Parkinson's disease (PD). In this paper, the effects of unilateral neurotoxic lesion of the PPN [through the injection of N-methyl-D-aspartate (NMDA) solution (concentration: 0.1 M; volume: 0.5 µL)] in motor execution and gait disorders and the changes in cellular and molecular indicators in rat nigral tissue were evaluated. The motor execution was assessed using the beam test (BT) and the gait disorders by footprint test...
February 14, 2017: Neuroscience
https://www.readbyqxmd.com/read/28207981/a-multiparametric-magnetic-resonance-imaging-based-risk-model-to-determine-the-risk-of-significant-prostate-cancer-prior-to-biopsy
#3
Pim J van Leeuwen, Andrew Hayen, James E Thompson, Daniel Moses, Ron Shnier, Maret Böhm, Magdaline Abuodha, Anne-Maree Haynes, Francis Ting, Jelle Barentsz, Monique Roobol, Justin Vass, Krishan Rasiah, Warick Delprado, Phillip D Stricker
OBJECTIVES: To develop and externally validate a predictive model for detection of significant prostate cancer (PC). SUBJECTS AND METHODS: Development of the model was based on prospective cohort including 393 men who underwent mpMRI prior to biopsy. External validity of the model was then examined retrospectively in 198 men from a separate institution whom underwent a mpMRI followed by biopsy for abnormal PSA/DRE. A model was developed with age, PSA, DRE, prostate volume, previous biopsy and PIRADS score as predictors for significant PC (Gleason 7 with >5% grade 4, ≥ 20% cores positive or ≥ 7mm of PC in any core)...
February 16, 2017: BJU International
https://www.readbyqxmd.com/read/28206826/the-nine-hole-peg-test-as-a-manual-dexterity-performance-measure-for-multiple-sclerosis
#4
Peter Feys, Ilse Lamers, Gordon Francis, Ralph Benedict, Glenn Phillips, Nicholas LaRocca, Lynn D Hudson, Richard Rudick
Impaired manual dexterity is a frequently reported disability in people with multiple sclerosis (MS) and is increasingly prevalent with worsening disease. While various tests and patient-reported outcome measures are available, the Nine-Hole Peg Test (NHPT) is considered as a gold standard measure of manual dexterity and most frequently used in MS research and clinical practice. The MS Outcome Assessments Consortium (MSOAC) includes representatives from advocacy organizations, Food and Drug Administration (FDA), European Medicines Agency (EMA), National Institute of Neurological Disorders and Stroke (NINDS), academic institutions, and industry partners along with persons living with MS...
February 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28205536/genomic-structure-and-insertion-sites-of-helicobacter-pylori-prophages-from-various-geographical-origins
#5
Filipa F Vale, Alexandra Nunes, Mónica Oleastro, João P Gomes, Daniel A Sampaio, Raquel Rocha, Jorge M B Vítor, Lars Engstrand, Ben Pascoe, Elvire Berthenet, Samuel K Sheppard, Matthew D Hitchings, Francis Mégraud, Jamuna Vadivelu, Philippe Lehours
Helicobacter pylori genetic diversity is known to be influenced by mobile genomic elements. Here we focused on prophages, the least characterized mobile elements of H. pylori. We present the full genomic sequences, insertion sites and phylogenetic analysis of 28 prophages found in H. pylori isolates from patients of distinct disease types, ranging from gastritis to gastric cancer, and geographic origins, covering most continents. The genome sizes of these prophages range from 22.6-33.0 Kbp, consisting of 27-39 open reading frames...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28201738/a-novel-apoc2-missense-mutation-causing-apolipoprotein-c-ii-deficiency-with-severe-triglyceridemia-and-pancreatitis
#6
Masako Ueda, Richard L Dunbar, Anna Wolska, Tracey U Sikora, Maria Del Rosario Escobar, Naomi Seliktar, Emil deGoma, Stephanie DerOhannessian, Linda Morrell, Adam D McIntyre, Francis Burke, Denis Sviridov, Marcelo Amar, Robert D Shamburek, Lita Freeman, Robert A Hegele, Alan T Remaley, Daniel J Rader
No abstract text is available yet for this article.
February 13, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28197544/plasticity-in-brainstem-mechanisms-of-pain-modulation-by-nicotinic-acetylcholine-receptors-in-the-rat
#7
Francis J Jareczek, Stephanie R White, Donna L Hammond
Individuals with chronic pain may be driven to smoke more because the analgesic efficacy of nicotine diminishes. To determine whether persistent pain diminishes the actions of a nicotinic acetylcholine receptor (nAChR) agonist in pain modulatory pathways, we examined the effects of epibatidine in the rostral ventromedial medulla (RVM) of rats with and without inflammatory injury induced by intraplantar injection of complete Freund's adjuvant (CFA). In uninjured rats, epibatidine produced a dose-dependent antinociception that was completely blocked by dihydro-β-erythroidine (DHβE; α4β2 antagonist) and partially blocked by methyllycaconitine (MLA; α7 antagonist)...
January 2017: ENeuro
https://www.readbyqxmd.com/read/28196724/persistence-and-adherence-with-mirabegron-versus-antimuscarinic-agents-in-patients-with-overactive-bladder-a-retrospective-observational-study-in-uk-clinical-practice
#8
Christopher R Chapple, Jameel Nazir, Zalmai Hakimi, Sally Bowditch, Francis Fatoye, Florent Guelfucci, Amine Khemiri, Emad Siddiqui, Adrian Wagg
BACKGROUND: Persistence with antimuscarinic therapy in overactive bladder (OAB) is poor, but may be different for mirabegron, a β3-adrenoceptor agonist with a different adverse event profile. OBJECTIVE: To compare persistence and adherence with mirabegron versus tolterodine extended release (ER) and other antimuscarinics in routine clinical practice over a 12-mo period. DESIGN, SETTING, AND PARTICIPANTS: Retrospective, longitudinal, observational study of anonymised data from the UK Clinical Practice Research Datalink GOLD database...
February 11, 2017: European Urology
https://www.readbyqxmd.com/read/28195970/reduction-of-physiological-strain-under-a-hot-and-humid-environment-by-a-hybrid-cooling-vest
#9
Albert P C Chan, Y Yang, Francis K W Wong, Michael C H Yam, Del P Wong, W F Song
Cooling treatment is regarded as one of good practices to provide safe training conditions to athletic trainers in the hot environment. The present study aimed to investigate whether wearing a commercial lightweight and portable hybrid cooling vest that combines air ventilation fans with frozen gel packs was an effective means to reduce participants' body heat strain. In this within-subject repeated measures study, 10 male volunteers participated in two heat-stress trials (one with the cooling vest - COOL condition, and another without - CON condition, in a randomized order) inside a climatic chamber with a controlled ambient temperature 33 °C and relative humidity (RH) 75% on an experimental day...
February 8, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28194842/infectivity-inhibition-by-overlapping-synthetic-peptides-derived-from-the-gh-gl-heterodimer-of-herpes-simplex-virus-type-1
#10
Gianluigi Franci, Annarita Falanga, Carla Zannella, Veronica Folliero, Francesca Martora, Marilena Galdiero, Stefania Galdiero, Giancarlo Morelli, Massimiliano Galdiero
Herpes simplex virus (HSV) is a human pathogen that infects epithelial cells. The cutaneous lesions, caused by the virus, spread to the nervous system creating several complications. Fusion of host membranes with the viral envelope is mandatory and mediated by a group of glycoproteins conserved in all Herpesviridae subfamilies, such as the glycoproteins B (gB), H (gH), L (gL) and D (gD). We investigated the inhibitory activity mediated by synthetic overlapping peptides spanning the entire ectodomains of gH and gL glycoproteins...
February 14, 2017: Journal of Peptide Science: An Official Publication of the European Peptide Society
https://www.readbyqxmd.com/read/28193859/genetic-regulatory-signatures-underlying-islet-gene-expression-and-type-2-diabetes
#11
Arushi Varshney, Laura J Scott, Ryan P Welch, Michael R Erdos, Peter S Chines, Narisu Narisu, Ricardo D'O Albanus, Peter Orchard, Brooke N Wolford, Romy Kursawe, Swarooparani Vadlamudi, Maren E Cannon, John P Didion, John Hensley, Anthony Kirilusha, Lori L Bonnycastle, D Leland Taylor, Richard Watanabe, Karen L Mohlke, Michael Boehnke, Francis S Collins, Stephen C J Parker, Michael L Stitzel
Genome-wide association studies (GWAS) have identified >100 independent SNPs that modulate the risk of type 2 diabetes (T2D) and related traits. However, the pathogenic mechanisms of most of these SNPs remain elusive. Here, we examined genomic, epigenomic, and transcriptomic profiles in human pancreatic islets to understand the links between genetic variation, chromatin landscape, and gene expression in the context of T2D. We first integrated genome and transcriptome variation across 112 islet samples to produce dense cis-expression quantitative trait loci (cis-eQTL) maps...
February 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28190991/quantitative-x-ray-pair-distribution-function-analysis-of-nanocrystalline-calcium-silicate-hydrates-a-contribution-to-the-understanding-of-cement-chemistry
#12
Sylvain Grangeon, Alejandro Fernandez-Martinez, Alain Baronnet, Nicolas Marty, Agnieszka Poulain, Erik Elkaïm, Cédric Roosz, Stéphane Gaboreau, Pierre Henocq, Francis Claret
The structural evolution of nanocrystalline calcium silicate hydrate (C-S-H) as a function of its calcium to silicon (Ca/Si) ratio has been probed using qualitative and quantitative X-ray atomic pair distribution function analysis of synchrotron X-ray scattering data. Whatever the Ca/Si ratio, the C-S-H structure is similar to that of tobermorite. When the Ca/Si ratio increases from ∼0.6 to ∼1.2, Si wollastonite-like chains progressively depolymerize through preferential omission of Si bridging tetrahedra...
February 1, 2017: Journal of Applied Crystallography
https://www.readbyqxmd.com/read/28188186/nccn-guidelines-insights-bone-cancer-version-2-2017
#13
J Sybil Biermann, Warren Chow, Damon R Reed, David Lucas, Douglas R Adkins, Mark Agulnik, Robert S Benjamin, Brian Brigman, G Thomas Budd, William T Curry, Aarati Didwania, Nicola Fabbri, Francis J Hornicek, Joseph B Kuechle, Dieter Lindskog, Joel Mayerson, Sean V McGarry, Lynn Million, Carol D Morris, Sujana Movva, Richard J O'Donnell, R Lor Randall, Peter Rose, Victor M Santana, Robert L Satcher, Herbert Schwartz, Herrick J Siegel, Katherine Thornton, Victor Villalobos, Mary Anne Bergman, Jillian L Scavone
The NCCN Guidelines for Bone Cancer provide interdisciplinary recommendations for treating chordoma, chondrosarcoma, giant cell tumor of bone, Ewing sarcoma, and osteosarcoma. These NCCN Guidelines Insights summarize the NCCN Bone Cancer Panel's guideline recommendations for treating Ewing sarcoma. The data underlying these treatment recommendations are also discussed.
February 2017: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/28187050/european-society-of-anaesthesiology-evidence-based-and-consensus-based-guidelines-on-postoperative-delirium
#14
César Aldecoa, Gabriella Bettelli, Federico Bilotta, Robert D Sanders, Riccardo Audisio, Anastasia Borozdina, Antonio Cherubini, Christina Jones, Henrik Kehlet, Alasdair MacLullich, Finn Radtke, Florian Riese, Arjen J C Slooter, Francis Veyckemans, Sylvia Kramer, Bruno Neuner, Bjoern Weiss, Claudia D Spies
The purpose of this guideline is to present evidence-based and consensus-based recommendations for the prevention and treatment of postoperative delirium. The cornerstones of the guideline are the preoperative identification and handling of patients at risk, adequate intraoperative care, postoperative detection of delirium and management of delirious patients. The scope of this guideline is not to cover ICU delirium. Considering that many medical disciplines are involved in the treatment of surgical patients, a team-based approach should be implemented into daily practice...
February 9, 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28187030/evolution-of-quality-assurance-for-clinical-immunohistochemistry-in-the-era-of-precision-medicine-part-3-technical-validation-of-immunohistochemistry-ihc-assays-in-clinical-ihc-laboratories
#15
Emina E Torlakovic, Carol C Cheung, Corrado D'Arrigo, Manfred Dietel, Glenn D Francis, C Blake Gilks, Jacqueline A Hall, Jason L Hornick, Merdol Ibrahim, Antonio Marchetti, Keith Miller, J Han van Krieken, Soren Nielsen, Paul E Swanson, Mogens Vyberg, Xiaoge Zhou, Clive R Taylor
Validation of immunohistochemistry (IHC) assays is a subject that is of great importance to clinical practice as well as basic research and clinical trials. When applied to clinical practice and focused on patient safety, validation of IHC assays creates objective evidence that IHC assays used for patient care are "fit-for-purpose." Validation of IHC assays needs to be properly informed by and modeled to assess the purpose of the IHC assay, which will further determine what sphere of validation is required, as well as the scope, type, and tier of technical validation...
February 9, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28182587/evolution-of-quality-assurance-for-clinical-immunohistochemistry-in-the-era-of-precision-medicine-part-2-immunohistochemistry-test-performance-characteristics
#16
Emina E Torlakovic, Carol C Cheung, Corrado D'Arrigo, Manfred Dietel, Glenn D Francis, C Blake Gilks, Jacqueline A Hall, Jason L Hornick, Merdol Ibrahim, Antonio Marchetti, Keith Miller, J Han van Krieken, Soren Nielsen, Paul E Swanson, Mogens Vyberg, Xiaoge Zhou, Clive R Taylor
All laboratory tests have test performance characteristics (TPCs), whether or not they are explicitly known to the laboratorian or the pathologist. TPCs are thus also an integral characteristic of immunohistochemistry (IHC) tests and other in situ, cell-based molecular assays such as DNA or RNA in situ hybridization or aptamer-based testing. Because of their descriptive, in situ, cell-based nature, IHC tests have a limited repertoire of appropriate TPCs. Although only a few TPCs are relevant to IHC, proper selection of informative TPCs is nonetheless essential for the development of and adherence to appropriate quality assurance measures in the IHC laboratory...
February 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28177925/signal-independent-noise-in-intracortical-brain-computer-interfaces-causes-movement-time-properties-inconsistent-with-fitts-law
#17
Francis R Willett, Brian A Murphy, William D Memberg, Christine H Blabe, Chethan Pandarinath, Benjamin L Walter, Jennifer A Sweet, Jonathan P Miller, Jaimie M Henderson, Krishna V Shenoy, Leigh R Hochberg, Robert F Kirsch, A Bolu Ajiboye
OBJECTIVE: Do movements made with an intracortical BCI (iBCI) have the same movement time properties as able-bodied movements? Able-bodied movement times typically obey Fitts' law: [Formula: see text] (where MT is movement time, D is target distance, R is target radius, and [Formula: see text] are parameters). Fitts' law expresses two properties of natural movement that would be ideal for iBCIs to restore: (1) that movement times are insensitive to the absolute scale of the task (since movement time depends only on the ratio [Formula: see text]) and (2) that movements have a large dynamic range of accuracy (since movement time is logarithmically proportional to [Formula: see text])...
February 8, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28177437/3rd-eso-esmo-international-consensus-guidelines-for-advanced-breast-cancer-abc-3
#18
F Cardoso, A Costa, E Senkus, M Aapro, F André, C H Barrios, J Bergh, G Bhattacharyya, L Biganzoli, M J Cardoso, L Carey, D Corneliussen-James, G Curigliano, V Dieras, N El Saghir, A Eniu, L Fallowfield, D Fenech, P Francis, K Gelmon, A Gennari, N Harbeck, C Hudis, B Kaufman, I Krop, M Mayer, H Meijer, S Mertz, S Ohno, O Pagani, E Papadopoulos, F Peccatori, F Pernault-Llorca, M J Piccart, J Y Pierga, H Rugo, L Shockney, G Sledge, S Swain, C Thomssen, A Tutt, D Vorobiof, B Xu, L Norton, E Winer
No abstract text is available yet for this article.
January 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28171673/ccr2-regulates-inflammatory-cell-accumulation-in-the-lung-and-tissue-injury-following-ozone-exposure
#19
Mary Francis, Angela M Groves, Richard Sun, Jessica A Cervelli, Hyejeong Choi, Jeffrey D Laskin, Debra L Laskin
No abstract text is available yet for this article.
November 11, 2016: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28165117/decreased-nucleus-accumbens-expression-of-psychiatric-disorder-risk-gene-cacna1c-promotes-susceptibility-to-social-stress
#20
Chantelle E Terrillion, T Chase Francis, Adam C Puche, Mary Kay Lobo, Todd D Gould
No abstract text is available yet for this article.
February 6, 2017: International Journal of Neuropsychopharmacology
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