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https://www.readbyqxmd.com/read/29145108/acute-calcific-tendinitis-of-the-longus-colli-muscle-masquerading-as-a-retropharyngeal-abscess-a-case-report-and-review-of-the-literature
#1
Uthman Alamoudi, Ahmed A Al-Sayed, Yasser AlSallumi, Matthew H Rigby, S Mark Taylor, Robert D Hart, Jonathan R B Trites
INTRODUCTION: Acute calcific longus colli tendinitis, also known as retropharyngeal or acute calcific prevertebral tendinitis, is a reactive self-limiting inflammatory response to acute or subacute deposition of amorphous calcium hydroxyapatite crystals in the tendons of the longus colli muscle, anterior to the C1-C2 disk space. CASE PRESENTATION: A 53-year-old man presented with a complaint of neck pain and odynophagia over a few days. Blood test findings showed mild leukocytosis and elevated C-reactive protein level...
November 11, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29144523/protein-templated-gold-nanoparticle-synthesis-protein-organization-controlled-gold-sequestration-and-unexpected-reaction-products
#2
Cassidy Hart, Nouf Abuladel, Madeleine Bee, Megan C Kreider, Alexander C CVitan, Moira M Esson, Andrew Farag, Trisha Ibeh, Eleni N Kalivas, Daniel-Mario Larco, Andrew Walker Long, Loukas Lymperopoulos, Zachary Mendel, Nancy Miles, Carly M Zareba, James C Schwabacher, Helen Slucher, Javier Vinals, John M Heddleston, Wenyue Li, Douglas M Fox, Matthew R Hartings
Emerging applications that exploit the properties of nanoparticles for biotechnology require that the nanoparticles be biocompatible or support biological recognition. These types of particles can be produced through syntheses that involve biologically relevant molecules (proteins or natural extracts, for example). Many of the protocols that rely on these molecules are performed without a clear understanding of the mechanism by which the materials are produced. We have investigated a previously described reaction in which gold nanoparticles are produced from the reaction of chloroauric acid and proteins in solution...
November 16, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29141672/a-novel-git2-braf-fusion-in-pilocytic-astrocytoma
#3
Jeffrey Helgager, Hart G Lidov, Navin R Mahadevan, Mark W Kieran, Keith L Ligon, Sanda Alexandrescu
BACKGROUND: KIAA1549-BRAF fusion is the most common genetic event in pilocytic astrocytoma (PA), and leads to activation of the mitogen activated protein kinase (MAPK) signaling pathway. Fusions of BRAF with other partner genes, as well as other genetic alterations not involving BRAF but also leading to MAPK pathway activation have been described rarely. CASE PRESENTATION: We present a new fusion partner in the low-grade glioma of a 10-year-old male, who presented with headaches and recent episodes of seizures...
November 15, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/29141164/lomustine-and-bevacizumab-in-progressive-glioblastoma
#4
Wolfgang Wick, Thierry Gorlia, Martin Bendszus, Martin Taphoorn, Felix Sahm, Inga Harting, Alba A Brandes, Walter Taal, Julien Domont, Ahmed Idbaih, Mario Campone, Paul M Clement, Roger Stupp, Michel Fabbro, Emilie Le Rhun, Francois Dubois, Michael Weller, Andreas von Deimling, Vassilis Golfinopoulos, Jacoline C Bromberg, Michael Platten, Martin Klein, Martin J van den Bent
BACKGROUND: Bevacizumab is approved for the treatment of patients with progressive glioblastoma on the basis of uncontrolled data. Data from a phase 2 trial suggested that the addition of bevacizumab to lomustine might improve overall survival as compared with monotherapies. We sought to determine whether the combination would result in longer overall survival than lomustine alone among patients at first progression of glioblastoma. METHODS: We randomly assigned patients with progression after chemoradiation in a 2:1 ratio to receive lomustine plus bevacizumab (combination group, 288 patients) or lomustine alone (monotherapy group, 149 patients)...
November 16, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29140182/tgf-%C3%AE-1-and-cxcl12-modulate-proliferation-and-chemotherapy-sensitivity-of-acute-myeloid-leukemia-cells-co-cultured-with-multipotent-mesenchymal-stromal-cells
#5
Roland Christian Schelker, Sabine Iberl, Gunnar Müller, Christina Hart, Wolfgang Herr, Jochen Grassinger
OBJECTIVES: Multipotent mesenchymal stromal cells (MSCs) play a central role within the bone marrow (BM) niche, supporting hematopoiesis via soluble factors like cytokines and chemokines. In our study, we sought to investigate the effect of blocking transforming growth factor beta 1 (TGF-β1) and C-X-C motif chemokine 12 (CXCL12) receptor CXCR4 on acute myeloid leukemia (AML) cells in an MSC co-culture system. METHODS: Human MSCs were obtained by BM aspirates and their phenotype and functional properties were confirmed in vitro...
November 15, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/29140169/relationship-between-physical-therapy-characteristics-surgical-procedure-and-clinical-outcomes-in-patients-after-acl-reconstruction
#6
Ian J Dempsey, Grant E Norte, Matthew Hall, John Goetschius, Lindsay V Slater, Jourdan M Cancienne, Brian C Werner, David R Diduch, Joseph M Hart
CONTEXT: Post-operative rehabilitation is critical to optimize outcomes after anterior cruciate ligament reconstruction (ACLR). However, the relationship between physical therapy (PT) and clinical outcomes is unclear. OBJECTIVE: To describe PT characteristics following ACLR, and assess the relationships between PT characteristics, surgical procedure, and clinical outcomes. DESIGN: Cross-sectional. SETTING: Laboratory...
November 15, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29139573/gait-patterns-symptoms-and-function-in-patients-with-isolated-tibiofemoral-osteoarthritis-and-combined-tibiofemoral-and-patellofemoral-osteoarthritis
#7
Harvi F Hart, Kay M Crossley, Michael A Hunt
The purpose of this study was to compare hip and knee biomechanics during walking in individuals with isolated TFOA, combined TFOA and PFOA, and those without knee OA, and to compare patient-reported symptoms and function in individuals with isolated TFOA and those with combined TFOA and PFOA. Participants with and without knee OA were assessed and categorized into (i) no OA, (ii) isolated TFOA, and (iii) combined TFOA and PFOA, based on Kellgren and Lawrence diagnostic criteria. Quantitative motion analyses were conducted during walking, and hip and knee kinematics and external moments were calculated...
November 15, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29137718/telavancin-for-the-treatment-of-methicillin-resistant-staphylococcus-aureus-bone-and-joint-infections
#8
Julie Harting, Francisco Fernandez, Rob Kelley, Tim Wiemken, Paula Peyrani, Julio Ramirez
This retrospective, case series describes our experience with the use of telavancin in patients with methicillin-resistant Staphylococcus aureus (MRSA) osteomyelitis and prosthetic joint infection. The primary objectives were clinical outcomes and adverse events (AEs), and a secondary outcome described microbiological susceptibility. Fourteen patients were enrolled. Median duration of therapy was 58 days, and four patients had concurrent bacteremia. End-of-treatment outcomes were available in 78% of patients, with a clinical success rate of 91%...
December 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29136343/pharmacokinetics-pharmacodynamics-and-safety-of-a-long-acting-human-growth-hormone-mod-4023-in-healthy-japanese-and-caucasian-adults
#9
William G Kramer, Michal Jaron-Mendelson, Ronit Koren, Oren Hershkovitz, Gili Hart
Daily injections of growth hormone (GH) as replacement therapy in GH-deficient (GHD) patients may cause poor compliance and inconvenience. C-terminal peptide-modified human GH (MOD-4023) has been developed for once-weekly administration in GHD adults and children. In the present study, the pharmacokinetics (PK) and pharmacodynamics (PD) of a single subcutaneous dose of MOD-4023 were evaluated in healthy Caucasian and Japanese adults, using a phase 1 double-blind, vehicle-controlled, randomized study design...
November 14, 2017: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/29136080/ultraviolet-radiation-induced-immunosuppression-and-its-relevance-for-skin-carcinogenesis
#10
Prue H Hart, Mary Norval
The realisation that UV radiation (UVR) exposure could induce a suppressed immune environment for the initiation of carcinogenesis in the skin was first described more than 40 years ago. Van der Leun and his colleagues contributed to this area in the 1980s and 90s by experiments in mice involving UV wavelength and dose-dependency in the formation of such tumours, in addition to illustrating both the local and systemic effect of the UVR on the immune system. Since these early days, many aspects of the complex pathways of UV-induced immunosuppression have been studied and are outlined in this review...
November 14, 2017: Photochemical & Photobiological Sciences
https://www.readbyqxmd.com/read/29136024/severe-oxidative-stress-in-an-acute-inflammatory-demyelinating-model-in-the-rhesus-monkey
#11
Jordon Dunham, Reinofke van de Vis, Jan Bauer, Jacqueline Wubben, Nikki van Driel, Jon D Laman, Bert A 't Hart, Yolanda S Kap
Oxidative stress is increasingly implicated as a co-factor of tissue injury in inflammatory/demyelinating disorders of the central nervous system (CNS), such as multiple sclerosis (MS). While rodent experimental autoimmune encephalomyelitis (EAE) models diverge from human demyelinating disorders with respect to limited oxidative injury, we observed that in a non-human primate (NHP) model for MS, namely EAE in the common marmoset, key pathological features of the disease were recapitulated, including oxidative tissue injury...
2017: PloS One
https://www.readbyqxmd.com/read/29132880/rivaroxaban-with-or-without-aspirin-in-patients-with-stable-peripheral-or-carotid-artery-disease-an-international-randomised-double-blind-placebo-controlled-trial
#12
Sonia S Anand, Jackie Bosch, John W Eikelboom, Stuart J Connolly, Rafael Diaz, Peter Widimsky, Victor Aboyans, Marco Alings, Ajay K Kakkar, Katalin Keltai, Aldo P Maggioni, Basil S Lewis, Stefan Störk, Jun Zhu, Patricio Lopez-Jaramillo, Martin O'Donnell, Patrick J Commerford, Dragos Vinereanu, Nana Pogosova, Lars Ryden, Keith A A Fox, Deepak L Bhatt, Frank Misselwitz, John D Varigos, Thomas Vanassche, Alvaro A Avezum, Edmond Chen, Kelley Branch, Darryl P Leong, Shrikant I Bangdiwala, Robert G Hart, Salim Yusuf
BACKGROUND: Patients with peripheral artery disease have an increased risk of cardiovascular morbidity and mortality. Antiplatelet agents are widely used to reduce these complications. METHODS: This was a multicentre, double-blind, randomised placebo-controlled trial for which patients were recruited at 602 hospitals, clinics, or community practices from 33 countries across six continents. Eligible patients had a history of peripheral artery disease of the lower extremities (previous peripheral bypass surgery or angioplasty, limb or foot amputation, intermittent claudication with objective evidence of peripheral artery disease), of the carotid arteries (previous carotid artery revascularisation or asymptomatic carotid artery stenosis of at least 50%), or coronary artery disease with an ankle-brachial index of less than 0·90...
November 10, 2017: Lancet
https://www.readbyqxmd.com/read/29131948/stable-wettability-control-of-nanoporous-microstructures-by-icvd-coating-of-carbon-nanotubes
#13
Hossein Sojoudi, Sanha Kim, Hangbo Zhao, Rama Kishore Annavarapu, Dhanushkodi Mariappan, A John Hart, Gareth H McKinley, Karen K Gleason
Scalable manufacturing of structured materials with engineered nanoporosity is critical for applications in energy storage devices (i.e. batteries and supercapacitors) and wettability control of surfaces (i.e. superhydrophobic and superomniphobic surfaces). Patterns formed in arrays of vertically aligned carbon nanotubes (VA-CNTs) have been extensively studied for these applications. However, the as-deposited features are often undesirably altered upon liquid infiltration and evaporation due to capillarity-driven aggregation of the low density CNTs...
November 13, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29130597/co-occurring-medical-conditions-in-adults-with-down-syndrome-a-systematic-review-toward-the-development-of-health-care-guidelines
#14
REVIEW
George T Capone, Brian Chicoine, Peter Bulova, Mary Stephens, Sarah Hart, Blythe Crissman, Andrea Videlefsky, Katherine Myers, Nancy Roizen, Anna Esbensen, Moya Peterson, Stephanie Santoro, Jason Woodward, Barry Martin, David Smith
Adults with Down syndrome (DS) represent a unique population who are in need of clinical guidelines to address their medical care. The United States Preventive Service Task Force (USPSTF) has developed criteria for prioritizing conditions of public health importance with the potential for providing screening recommendations to improve clinical care. The quality of existing evidence needed to inform clinical guidelines has not been previously reviewed. Using the National Library of Medicine (NLM) database PubMed, we first identified 18 peer reviewed articles that addressed co-occurring medical conditions in adults with DS...
November 12, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29129942/priorities-for-research-in-soil-ecology
#15
Nico Eisenhauer, Pedro M Antunes, Alison E Bennett, Klaus Birkhofer, Andrew Bissett, Matthew A Bowker, Tancredi Caruso, Baodong Chen, David C Coleman, Wietse de Boer, Peter de Ruiter, Thomas H DeLuca, Francesco Frati, Bryan S Griffiths, Miranda M Hart, Stephan Hättenschwiler, Jari Haimi, Michael Heethoff, Nobuhiro Kaneko, Laura C Kelly, Hans Petter Leinaas, Zoë Lindo, Catriona Macdonald, Matthias C Rillig, Liliane Ruess, Stefan Scheu, Olaf Schmidt, Timothy R Seastedt, Nico M van Straalen, Alexei V Tiunov, Martin Zimmer, Jeff R Powell
The ecological interactions that occur in and with soil are of consequence in many ecosystems on the planet. These interactions provide numerous essential ecosystem services, and the sustainable management of soils has attracted increasing scientific and public attention. Although soil ecology emerged as an independent field of research many decades ago, and we have gained important insights into the functioning of soils, there still are fundamental aspects that need to be better understood to ensure that the ecosystem services that soils provide are not lost and that soils can be used in a sustainable way...
July 2017: Pedobiologia
https://www.readbyqxmd.com/read/29129932/the-vaccinia-virus-dna-polymerase-structure-provides-insights-into-the-mode-of-processivity-factor-binding
#16
Nicolas Tarbouriech, Corinne Ducournau, Stephanie Hutin, Philippe J Mas, Petr Man, Eric Forest, Darren J Hart, Christophe N Peyrefitte, Wim P Burmeister, Frédéric Iseni
Vaccinia virus (VACV), the prototype member of the Poxviridae, replicates in the cytoplasm of an infected cell. The catalytic subunit of the DNA polymerase E9 binds the heterodimeric processivity factor A20/D4 to form the functional polymerase holoenzyme. Here we present the crystal structure of full-length E9 at 2.7 Å resolution that permits identification of important poxvirus-specific structural insertions. One insertion in the palm domain interacts with C-terminal residues of A20 and thus serves as the processivity factor-binding site...
November 13, 2017: Nature Communications
https://www.readbyqxmd.com/read/29128319/a-proteomic-investigation-into-mechanisms-underpinning-corticosteroid-effects-on-neural-stem-cells
#17
Rawaa S Al-Mayyahi, Luke D Sterio, Joanne B Connolly, Christopher F Adams, Wa'il A Al-Tumah, Jon Sen, Richard D Emes, Sarah R Hart, Divya M Chari
Corticosteroids (CSs) are widely used clinically, for example in pediatric respiratory distress syndrome, and immunosuppression to prevent rejection of stem cell transplant populations in neural cell therapy. However, such treatment can be associated with adverse effects such as impaired neurogenesis and myelination, and increased risk of cerebral palsy. There is increasing evidence that CSs can adversely influence key biological properties of neural stem cells (NSCs) but the molecular mechanisms underpinning such effects are largely unknown...
November 8, 2017: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/29125942/conditions-for-addressing-environmental-determinants-of-health-behavior-in-intersectoral-policy-networks-a-fuzzy-set-qualitative-comparative-analysis
#18
D T J M Peters, S Verweij, K Grêaux, K Stronks, J Harting
Improving health requires changes in the social, physical, economic and political determinants of health behavior. For the realization of policies that address these environmental determinants, intersectoral policy networks are considered necessary for the pooling of resources to implement different policy instruments. However, such network diversity may increase network complexity and therefore hamper network performance. Network complexity may be reduced by network management and the provision of financial resources...
September 1, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/29122524/traumatic-brain-injury-integrated-approaches-to-improve-prevention-clinical-care-and-research
#19
REVIEW
Andrew I R Maas, David K Menon, P David Adelson, Nada Andelic, Michael J Bell, Antonio Belli, Peter Bragge, Alexandra Brazinova, András Büki, Randall M Chesnut, Giuseppe Citerio, Mark Coburn, D Jamie Cooper, A Tamara Crowder, Endre Czeiter, Marek Czosnyka, Ramon Diaz-Arrastia, Jens P Dreier, Ann-Christine Duhaime, Ari Ercole, Thomas A van Essen, Valery L Feigin, Guoyi Gao, Joseph Giacino, Laura E Gonzalez-Lara, Russell L Gruen, Deepak Gupta, Jed A Hartings, Sean Hill, Ji-Yao Jiang, Naomi Ketharanathan, Erwin J O Kompanje, Linda Lanyon, Steven Laureys, Fiona Lecky, Harvey Levin, Hester F Lingsma, Marc Maegele, Marek Majdan, Geoffrey Manley, Jill Marsteller, Luciana Mascia, Charles McFadyen, Stefania Mondello, Virginia Newcombe, Aarno Palotie, Paul M Parizel, Wilco Peul, James Piercy, Suzanne Polinder, Louis Puybasset, Todd E Rasmussen, Rolf Rossaint, Peter Smielewski, Jeannette Söderberg, Simon J Stanworth, Murray B Stein, Nicole von Steinbüchel, William Stewart, Ewout W Steyerberg, Nino Stocchetti, Anneliese Synnot, Braden Te Ao, Olli Tenovuo, Alice Theadom, Dick Tibboel, Walter Videtta, Kevin K W Wang, W Huw Williams, Lindsay Wilson, Kristine Yaffe
No abstract text is available yet for this article.
November 6, 2017: Lancet Neurology
https://www.readbyqxmd.com/read/29122292/right-versus-left-congenital-diaphragmatic-hernia-what-s-the-difference
#20
Carmen Mesas Burgos, Björn Frenckner, Matias Luco, Matthew T Harting, Pamela A Lally, Kevin P Lally
BACKGROUND: Right-sided congenital diaphragmatic hernias (CDH) and bigger defect sizes have been associated with poorer outcomes. AIM: The aim of this study was to evaluate right- and left-sided CDH in terms of size, survival, associated anomalies, and morbidity. MATERIAL AND METHODS: We used information from a multicenter, multinational database including patients with CDH born between 2007 and 2015. All infants with data on defect side were included for this analysis...
October 12, 2017: Journal of Pediatric Surgery
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