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https://www.readbyqxmd.com/read/28911947/albumin-prevents-infections-in-patients-with-chronic-liver-failure-in-a-single-arm-feasibility-trial
#1
Louise China, Simon S Skene, Zainib Shabir, Alexander Maini, Yvonne Sylvestre, Kate Bennett, Scott Bevan, James O'Beirne, Ewan Forrest, Jim Portal, Steve Ryder, Gavin Wright, Derek W Gilroy, Alastair O'Brien
BACKGROUND & AIMS: Infections are life threatening to patients with acute decompensation and acute-on-chronic liver failure (AD/ACLF). Patients with AD/ACLF have prostaglandin E2-mediated immune suppression, which can be reversed by administration of albumin; infusion of 20% human albumin solution (HAS) might improve outcomes of infections. We performed a feasibility study to determine optimal trial design, assess safety, and validate laboratory assessments of immune function to inform design of a phase 3 trial...
September 11, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28899991/infographic-consensus-statement-on-concussion-in-sport
#2
EDITORIAL
Paul McCrory, Willem Meeuwisse, Jiri Dvorak, Mark Aubry, Julian Bailes, Steven Broglio, Robert C Cantu, David Cassidy, Ruben J Echemendia, Rudy J Castellani, Gavin A Davis, Richard Ellenbogen, Carolyn Emery, Lars Engebretsen, Nina Feddermann-Demont, Christopher C Giza, Kevin M Guskiewicz, Stanley Herring, Grant L Iverson, Karen M Johnston, James Kissick, Jeffrey Kutcher, John J Leddy, David Maddocks, Michael Makdissi, Geoff Manley, Michael McCrea, William P Meehan, Shinji Nagahiro, Jon Patricios, Margot Putukian, Kathryn J Schneider, Allen Sills, Charles H Tator, Michael Turner, Pieter E Vos
No abstract text is available yet for this article.
September 12, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28892041/guide-bound-structures-of-an-rna-targeting-a-cleaving-crispr-cas13a-enzyme
#3
Gavin J Knott, Alexandra East-Seletsky, Joshua C Cofsky, James M Holton, Emeric Charles, Mitchell R O'Connell, Jennifer A Doudna
CRISPR adaptive immune systems protect bacteria from infections by deploying CRISPR RNA (crRNA)-guided enzymes to recognize and cut foreign nucleic acids. Type VI-A CRISPR-Cas systems include the Cas13a enzyme, an RNA-activated RNase capable of crRNA processing and single-stranded RNA degradation upon target-transcript binding. Here we present the 2.0-Å resolution crystal structure of a crRNA-bound Lachnospiraceae bacterium Cas13a (LbaCas13a), representing a recently discovered Cas13a enzyme subtype. This structure and accompanying biochemical experiments define the Cas13a catalytic residues that are directly responsible for crRNA maturation...
September 11, 2017: Nature Structural & Molecular Biology
https://www.readbyqxmd.com/read/28863009/methadone-and-the-qtc-interval-paucity-of-clinically-significant-factors-in-a-retrospective-cohort
#4
Gavin Bart, Zachary Wyman, Qi Wang, James S Hodges, Rehan Karim, Bradley A Bart
OBJECTIVE: Methadone is associated with prolongation of the electrocardiographic QTc interval. QTc prolongation may be linked to cardiac dysrhythmia and sudden cardiac death. The rate of these events is unknown in methadone-maintained patients. METHODS: This retrospective cohort study of 749 patients with opioid use disorder receiving methadone maintenance therapy through a single safety-net hospital, queried the electronic health record for electrocardiogram results, demographics, methadone dose, and diagnostic codes consistent with cardiac conduction disorder (International Classification of Disease, Ninth Revision [ICD-9] 426) and cardiac dysrhythmia (ICD-9 427)...
August 31, 2017: Journal of Addiction Medicine
https://www.readbyqxmd.com/read/28851831/tfg-facilitates-outer-coat-disassembly-on-copii-transport-carriers-to-promote-tethering-and-fusion-with-er-golgi-intermediate-compartments
#5
Michael G Hanna, Samuel Block, E B Frankel, Feng Hou, Adam Johnson, Lin Yuan, Gavin Knight, James J Moresco, John R Yates, Randolph Ashton, Randy Schekman, Yufeng Tong, Anjon Audhya
The conserved coat protein complex II (COPII) mediates the initial steps of secretory protein trafficking by assembling onto subdomains of the endoplasmic reticulum (ER) in two layers to generate cargo-laden transport carriers that ultimately fuse with an adjacent ER-Golgi intermediate compartment (ERGIC). Here, we demonstrate that Trk-fused gene (TFG) binds directly to the inner layer of the COPII coat. Specifically, the TFG C terminus interacts with Sec23 through a shared interface with the outer COPII coat and the cargo receptor Tango1/cTAGE5...
August 29, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28817507/comparison-of-consent-models-in-a-randomized-trial-of-corticosteroids-in-pediatric-septic-shock
#6
Kusum Menon, Katharine O'Hearn, James Dayre McNally, Anand Acharya, Hector R Wong, Margaret Lawson, Tim Ramsay, Lauralyn McIntyre, Elaine Gilfoyle, Marisa Tucci, David Wensley, Ronald Gottesman, Gavin Morrison, Karen Choong
OBJECTIVES: To describe the use of deferred and prior informed consent models in the context of a low additional risk to standard of care, placebo-controlled randomized controlled trial of corticosteroids in pediatric septic shock. DESIGN: An observational substudy of consent processes in a randomized controlled trial of hydrocortisone versus placebo. SETTING: Seven tertiary level PICUs in Canada. PATIENTS: Children newborn to 17 years inclusive admitted to PICU with suspected septic shock between July 2014 and March 2016...
August 16, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28792876/nad-deficiency-congenital-malformations-and-niacin-supplementation
#7
Hongjun Shi, Annabelle Enriquez, Melissa Rapadas, Ella M M A Martin, Roni Wang, Julie Moreau, Chai K Lim, Justin O Szot, Eddie Ip, James N Hughes, Kotaro Sugimoto, David T Humphreys, Aideen M McInerney-Leo, Paul J Leo, Ghassan J Maghzal, Jake Halliday, Janine Smith, Alison Colley, Paul R Mark, Felicity Collins, David O Sillence, David S Winlaw, Joshua W K Ho, Gilles J Guillemin, Matthew A Brown, Kazu Kikuchi, Paul Q Thomas, Roland Stocker, Eleni Giannoulatou, Gavin Chapman, Emma L Duncan, Duncan B Sparrow, Sally L Dunwoodie
BACKGROUND: Congenital malformations can be manifested as combinations of phenotypes that co-occur more often than expected by chance. In many such cases, it has proved difficult to identify a genetic cause. We sought the genetic cause of cardiac, vertebral, and renal defects, among others, in unrelated patients. METHODS: We used genomic sequencing to identify potentially pathogenic gene variants in families in which a person had multiple congenital malformations...
August 10, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28761127/organocatalyzed-synthesis-of-fluorinated-poly-aryl-thioethers
#8
Nathaniel H Park, Gabriel Dos Passos Gomes, Mareva Fevre, Gavin O Jones, Igor V Alabugin, James L Hedrick
The preparation of high-performance fluorinated poly(aryl thioethers) has received little attention compared to the corresponding poly(aryl ethers), despite the excellent physical properties displayed by many polysulfides. Herein, we report a highly efficient route to fluorinated poly(aryl thioethers) via an organocatalyzed nucleophilic aromatic substitution of silyl-protected dithiols. This approach requires low catalyst loadings, proceeds rapidly at room temperature, and is effective for many different perfluorinated or highly activated aryl monomers...
August 1, 2017: Nature Communications
https://www.readbyqxmd.com/read/28751099/efficacy-and-safety-of-delayed-release-dimethyl-fumarate-for-relapsing-remitting-multiple-sclerosis-in-prior-interferon-users-an-integrated-analysis-of-define-and-confirm
#9
Óscar Fernández, Gavin Giovannoni, Robert J Fox, Ralf Gold, J Theodore Phillips, James Potts, Macaulay Okwuokenye, Jing L Marantz
PURPOSE: In Phase III studies (DEFINE [Determination of the Efficacy and Safety of Oral Fumarate in Relapsing-Remitting MS]/CONFIRM [Comparator and an Oral Fumarate in Relapsing-Remitting Multiple Sclerosis]), delayed-release dimethyl fumarate (DMF) demonstrated significant efficacy and a favorable benefit-risk profile in patients with relapsing-remitting multiple sclerosis (RRMS). Post hoc analyses of integrated data from DEFINE/CONFIRM were conducted to evaluate the effect of DMF in patients previously treated with interferon (IFN) beta...
July 24, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28739079/individual-confidence-weighting-and-group-decision-making
#10
REVIEW
James A R Marshall, Gavin Brown, Andrew N Radford
Group-living species frequently pool individual information so as to reach consensus decisions such as when and where to move, or whether a predator is present. Such opinion-pooling has been demonstrated empirically, and theoretical models have been proposed to explain why group decisions are more reliable than individual decisions. Behavioural ecology theory frequently assumes that all individuals have equal decision-making abilities, but decision theory relaxes this assumption and has been tested in human groups...
July 21, 2017: Trends in Ecology & Evolution
https://www.readbyqxmd.com/read/28656505/videoexoscopic-real-time-intraoperative-navigation-for-spinal-neurosurgery-a-novel-co-adaptation-of-two-existing-technology-platforms-technical-note
#11
Meng Huang, Sean Michael Barber, William James Steele, Zain Boghani, Viren Rajendrakumar Desai, Gavin Wayne Britz, George Alexander West, Todd Wilson Trask, Paul Joseph Holman
Image-guided approaches to spinal instrumentation and interbody fusion have been widely popularized in the last decade [1-5]. Navigated pedicle screws are significantly less likely to breach [2, 3, 5, 6]. Navigation otherwise remains a point reference tool because the projection is off-axis to the surgeon's inline loupe or microscope view. The Synaptive robotic brightmatter drive videoexoscope monitor system represents a new paradigm for off-axis high-definition (HD) surgical visualization. It has many advantages over the traditional microscope and loupes, which have already been demonstrated in a cadaveric study [7]...
June 27, 2017: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/28629897/a-unified-pathophysiological-construct-of-diabetes-and-its-complications
#12
REVIEW
Stanley S Schwartz, Solomon Epstein, Barbara E Corkey, Struan F A Grant, James R Gavin Iii, Richard B Aguilar, Mary E Herman
Advances in understanding diabetes mellitus (DM) through basic and clinical research have helped clarify and reunify a disease state fragmented into numerous etiologies and subtypes. It is now understood that a common pathophysiology drives the diabetic state throughout its natural history and across its varied clinical presentations, a pathophysiology involving metabolic insults, oxidative damage, and vicious cycles that aggravate and intensify organ dysfunction and damage. This new understanding of the disease requires that we revisit existing diagnostics and treatment approaches, which were built upon outmoded assumptions...
September 2017: Trends in Endocrinology and Metabolism: TEM
https://www.readbyqxmd.com/read/28611135/a-rare-testicular-vein-anatomical-variant-contributes-to-right-sided-varicocoele-formation-and-leads-to-the-diagnosis-of-renal-cell-carcinoma
#13
James William Ryan, Gavin Sugrue, Sandra Graham, Carmel Cronin
No abstract text is available yet for this article.
June 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28586915/specific-alleles-of-cln7-mfsd8-a-protein-that-localizes-to-photoreceptor-synaptic-terminals-cause-a-spectrum-of-nonsyndromic-retinal-dystrophy
#14
MULTICENTER STUDY
Kamron N Khan, Mohammed E El-Asrag, Cristy A Ku, Graham E Holder, Martin McKibbin, Gavin Arno, James A Poulter, Keren Carss, Tejaswi Bommireddy, Saghar Bagheri, Benjamin Bakall, Hendrik P Scholl, F Lucy Raymond, Carmel Toomes, Chris F Inglehearn, Mark E Pennesi, Anthony T Moore, Michel Michaelides, Andrew R Webster, Manir Ali
Purpose: Recessive mutations in CLN7/MFSD8 usually cause variant late-infantile onset neuronal ceroid lipofuscinosis (vLINCL), a poorly understood neurodegenerative condition, though mutations may also cause nonsyndromic maculopathy. A series of 12 patients with nonsyndromic retinopathy due to novel CLN7/MFSD8 mutation combinations were investigated in this study. Methods: Affected patients and their family members were recruited in ophthalmic clinics at each center where they were examined by retinal imaging and detailed electrophysiology...
June 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28579374/activated-plasmacytoid-dendritic-cells-regulate-type-2-innate-lymphoid-cells-mediated-airway-hyperreactivity
#15
Hadi Maazi, Homayon Banie, German Aleman, Nisheel Patel, Bowen Wang, Ishwarya Sankaranarayanan, Vipul Bhargava, Takahiro Sato, Gavin Lewis, Matteo Cesaroni, James Karras, Anuk Das, Pejman Soroosh, Omid Akbari
BACKGROUND: Allergic asthma is a prevalent inflammatory disease of the airways caused by dysregulated immune balance in the lungs with incompletely understood pathogenesis. The recently identified type 2 innate lymphoid cells (ILC2s) play significant roles in the pathogenesis of asthma. While ILC2-activating factors have been identified, the mechanisms that suppress ILC2s remain largely unknown. Plasmacytoid dendritic cells, pDCs, are important in antiviral immunity and in maintaining tolerance to inert antigens...
June 1, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28541135/clinical-use-of-professional-continuous-glucose-monitoring
#16
Eugene E Wright, James R Gavin
No abstract text is available yet for this article.
May 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/28538446/coaching-the-debriefer-peer-coaching-to-improve-debriefing-quality-in-simulation-programs
#17
Adam Cheng, Vincent Grant, James Huffman, Gavin Burgess, Demian Szyld, Traci Robinson, Walter Eppich
Formal faculty development programs for simulation educators are costly and time-consuming. Peer coaching integrated into the teaching flow can enhance an educator's debriefing skills. We provide a practical guide for the who, what, when, where, why, and how of peer coaching for debriefing in simulation-based education. Peer coaching offers advantages such as psychological safety and team building, and it can benefit both the educator who is receiving feedback and the coach who is providing it. A feedback form for effective peer coaching includes the following: (1) psychological safety, (2) framework, (3) method/strategy, (4) content, (5) learner centeredness, (6) co-facilitation, (7) time management, (8) difficult situations, (9) debriefing adjuncts, and (10) individual style and experience...
May 20, 2017: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
https://www.readbyqxmd.com/read/28530117/combined-impact-of-smoking-and-early-life-exposures-on-adult-lung-function-trajectories
#18
James P Allinson, Rebecca Hardy, Gavin C Donaldson, Seif O Shaheen, Diana Kuh, Jadwiga A Wedzicha
BACKGROUND: Both adverse early life exposures and adult smoking can negatively influence adult lung function trajectory but few studies consider how the impact of early life exposures may be modified by subsequent smoking. METHODS: The Medical Research Council National Survey of Health and Development is a nationally representative cohort, initially of 5362 individuals, followed since enrolment at birth in March 1946. Using data collected prospectively across life and multilevel modelling we investigated how the relationships between early life exposures (infant lower respiratory infection, manual social class, home overcrowding and pollution exposure) and FEV1 and FVC trajectories between ages 43 and 60-64 were influenced by smoking behaviour...
May 21, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28524155/statin-use-candidate-mevalonate-pathway-biomarkers-and-colon-cancer-survival-in-a-population-based-cohort-study
#19
Ronan T Gray, Maurice B Loughrey, Peter Bankhead, Chris R Cardwell, Stephen McQuaid, Roisin F O'Neill, Kenneth Arthur, Victoria Bingham, Claire McGready, Anna T Gavin, Jacqueline A James, Peter W Hamilton, Manuel Salto-Tellez, Liam J Murray, Helen G Coleman
BACKGROUND: Statin use after colorectal cancer diagnosis may improve survival but evidence from observational studies is conflicting. The anti-cancer effect of statins may be restricted to certain molecular subgroups. In this population-based cohort study, the interaction between p53 and 3-hydroxy-3-methylglutaryl coenzyme-A reductase (HMGCR) expression, KRAS mutations, and the association between statin use and colon cancer survival was assessed. METHODS: The cohort consisted of 740 stage II and III colon cancer patients diagnosed between 2004 and 2008...
June 6, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28512701/estimation-of-3d-ground-reaction-force-using-nanocomposite-piezo-responsive-foam-sensors-during-walking
#20
Parker G Rosquist, Gavin Collins, A Jake Merrell, Noelle J Tuttle, James B Tracy, Evan T Bird, Matthew K Seeley, David T Fullwood, William F Christensen, Anton E Bowden
This paper describes a method for the estimation of the 3D ground reaction force (GRF) during human walking using novel nanocomposite piezo-responsive foam (NCPF) sensors. Nine subjects (5 male, 4 female) walked on a force-instrumented treadmill at 1.34 m/s for 120 s each while wearing a shoe that was instrumented with four NCPF sensors. GRF data, measured via the treadmill, and sensor data, measured via the NCPF inserts, were used in a tenfold cross validation process to calibrate a separate model for each individual...
May 16, 2017: Annals of Biomedical Engineering
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