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https://www.readbyqxmd.com/read/28654941/internally-versus-externally-cued-speech-in-parkinson-s-disease-and-cerebellar-disease
#1
Phil Weir-Mayta, Kristie A Spencer, Tanya L Eadie, Kathryn Yorkston, Sara Savaglio, Chris Woollcott
Purpose: The purpose of this study was to examine the effects of an internally versus externally cued speech task on perceived understandability and naturalness in speakers with Parkinson's disease (PD) and cerebellar disease (CD). Method: Sentences extracted from a covertly recorded conversation (internally cued) were compared to the same sentences read aloud (externally cued) by speakers with PD and a clinical comparison group of speakers with CD. Experienced listeners rated the speech samples using a visual analog scale for the perceptual dimensions of understandability and naturalness...
June 22, 2017: American Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/28654755/decoding-the-mechanism-of-intramolecular-cu-directed-hydroxylation-of-sp-3-c-h-bonds
#2
Rachel Trammell, Yi Yang See, Aaron T Herrmann, Nan Xie, Daniel E Díaz, Maxime A Siegler, Phil S Baran, Isaac Garcia-Bosch
The use of copper in directed C-H oxidation has been relatively underexplored. In a seminal example, Schönecker showed that copper and O2 promoted the hydroxylation of steroid-containing ligands. Recently, Baran (J. Am. Chem. Soc., 2015, 137, 13776) improved the reaction conditions to oxidize similar substrates with excellent yields. In both reports, the involvement of Cu2O2 intermediates was suggested. In this collaborative article, we study the hydroxylation mechanism in great detail, resulting in the overhaul of the previously accepted mechanism and the development of improved reaction conditions...
June 27, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28653834/residue-specific-peptide-modification-a-chemist-s-guide
#3
Justine Nicole deGruyter, Lara R Malins, Phil S Baran
Advances in bioconjugation and native protein modification are appearing at a blistering pace, making it increasingly time consuming for practitioners to identify the best chemical method to modify a specific amino acid residue in a complex setting. The purpose of this perspective is to provide an informative, graphically rich manual highlighting significant advances in the field over the past decade. This guide will help triage candidate methods for peptide alteration, and will serve as a starting point for those seeking to solve longstanding challenges...
June 27, 2017: Biochemistry
https://www.readbyqxmd.com/read/28653257/human-adipose-derived-stem-cell-spheroid-treated-with-photobiomodulation-irradiation-accelerates-tissue-regeneration-in-mouse-model-of-skin-flap-ischemia
#4
In-Su Park, Phil-Sang Chung, Jin Chul Ahn, Anais Leproux
Skin flap grafting is a form of transplantation widely used in plastic surgery. However, ischemia/reperfusion injury is the main factor which reduces the survival rate of flaps following grafting. We investigated whether photobiomodulation (PBM) precondition prior to human adipose-derived stromal cell (hASC) spheroid (PBM-spheroid) transplantation improved skin tissue functional recovery by the stimulation of angiogenesis and tissue regeneration in skin flap of mice. The LED had an emission wavelength peaked at 660 ± 20 nm (6 J/cm(2), 10 mW/cm(2))...
June 27, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28652527/hyperglycemia-reduces-pp2a-subunit-b-expression-in-a-middle-cerebral-artery-occlusion-animal-model
#5
Dong-Ju Park, Phil-Ok Koh
Diabetes is a metabolic disorder that worsens clinical outcome following cerebral ischemia. Protein phosphatase 2A (PP2A) is a conserved, heterotrimeric, serine/threonine phosphatase with various cellular functions. PP2A subunit B is abundant in brain tissue and modulates PP2A function. The aim of this study was to investigate PP2A subunit B protein expression in the cerebral cortex of non-diabetic and diabetic animals with middle cerebral artery occlusion (MCAO) injury. Sprague-Dawley rats were injected with streptozotocin (40 mg/kg, i...
June 26, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28652016/overall-effectiveness-of-rivaroxaban-in-patients-with-pulmonary-embolism
#6
Li Wang, Onur Baser, Phil Wells, W Frank Peacock, Craig I Coleman, Gregory J Fermann, Jeff Schein, Concetta Crivera
PURPOSE: Due to limited evidence on the impact of rivaroxaban in clinical practice, we compared the effectiveness of rivaroxaban versus standard of care (SOC) among patients in the Veterans Health Administration. METHODS: Adult patients with continuous enrollment in a health plan with medical and pharmacy benefits for ≥12 months before and ≥3 months after an inpatient diagnosis of pulmonary embolism (PE) between October 1, 2011, and June 30, 2015, and a prescription claim for an anticoagulant during the index hospitalization, were included...
June 23, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28651301/real-world-single-center-experience-with-sofosbuvir-based-regimens-for-the-treatment-of-chronic-hepatitis-c-genotype-1-patients
#7
Hyun Phil Shin, Blaire Burman, Richard A Kozarek, Amy Zeigler, Chia Wang, Houghton Lee, Troy Zehr, Alicia M Edwards, Asma Siddique
Background/Aims: The approval of sofosbuvir (SOF), a direct-acting antiviral, has revolutionized the treatment of chronic hepatitis C virus (HCV). Methods: We assessed the sustained virological response (SVR) of SOF-based regimens in a real-world single-center setting for the treatment of chronic HCV genotype 1 (G1) patients. This was a retrospective review of chronic HCV G1 adult patients treated with a SOF-based regimen at Virginia Mason Medical Center between December 2013 and August 2015...
June 27, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28648305/assessing-the-budget-impact-and-economic-outcomes-of-the-introduction-of-daclatasvir-asunaprevir-and-sofosbuvir-ledipasvir-for-the-treatment-of-chronic-hepatitis-c-virus-infection-in-japan
#8
Thomas Ward, Samantha Webster, Sari Mishina, Phil McEwan, Gail Wygant, Feng Wang
BACKGROUND: The advent of highly efficacious, well-tolerated, all-oral direct-acting antiviral regimens has revolutionized the standard of care for patients chronically infected with hepatitis C virus. As efficacy and safety rates converge, prescribers and payers need to consider value for money. OBJECTIVES: To evaluate the health economic value of daclatasvir + asunaprevir versus sofosbuvir/ledipasvir via a cost-effectiveness analysis, and determine the optimal treatment considering both costs and health outcomes in Japan...
May 2017: Value in Health Regional Issues
https://www.readbyqxmd.com/read/28647705/revolution-in-acute-ischaemic-stroke-care-a-practical-guide-to-mechanical-thrombectomy
#9
REVIEW
Matthew Evans, Phil White, Peter Cowley, David Werring
Rapid, safe and effective arterial recanalisation to restore blood flow and improve functional outcome remains the primary goal of hyperacute ischaemic stroke management. The benefit of intravenous thrombolysis with recombinant tissue-type plasminogen activator for patients with severe stroke due to large artery occlusion is limited; early recanalisation is generally less than 30% for carotid, proximal middle cerebral artery or basilar artery occlusion. Since November 2014, nine positive randomised controlled trials of mechanical thrombectomy for large vessel occlusion in the anterior circulation have led to a revolution in the care of patients with acute ischaemic stroke...
June 24, 2017: Practical Neurology
https://www.readbyqxmd.com/read/28646032/the-human-coronary-vasodilatory-response-to-acute-mental-stress-is-mediated-by-neuronal-nitric-oxide-synthase
#10
Sitara Gulurkh Khan, Narbeh Melikian, Husain Shabeeh, Ana Rita Cabaco, Katherine Martin, Faisal Khan, Kevin O'Gallagher, Phil Chowienczyk, Ajay M Shah
INTRODUCTION: Mental stress-induced ischemia approximately doubles the risk of cardiac events in patients with coronary artery disease, yet the mechanisms underlying changes in coronary blood flow in response to mental stress are poorly characterized. Neuronal nitric oxide synthase (nNOS) regulates basal coronary blood flow in healthy humans and mediates mental stress-induced vasodilation in the forearm. However, its possible role in mental-stress-induced increases in coronary blood flow is unknown...
June 23, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28639504/spatial-and-temporal-changes-in-the-distribution-of-blood-fluke-infection-in-nicolea-gracilibranchis-polychaeta-terebellidae-the-intermediate-host-for-cardicola-orientalis-digenea-aporocotylidae-at-a-tuna-farming-site-in-japan
#11
Sho Shirakashi, Kazuki Tani, Katsuya Ishimaru, Tomoki Honryo, Sang Phil Shin, Hiro'omi Uchida, Kazuo Ogawa
Fish blood fluke of the genus Cardicola (Digenea: Aporocotylidae) are important pathogens in tuna aquaculture. Recent advances in marine blood fluke research have led to the elucidation of the lifecycles of 3 Cardicola spp. infecting tuna, which all utilize terebellid polychaetes as the intermediate host. In our survey, we obtained large numbers of Nicolea gracilibranchis infected by larval Cardicola orientalis at our tuna farming site. To determine the spatial and temporal changes in the distribution of N...
June 22, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28638650/synthesis-and-crystal-structures-of-three-new-benzotriazolylpropanamides
#12
Donna S Amenta, Phil Liebing, Julia E Biero, Robert J Sherman, John W Gilje, Frank T Edelmann
The base-catalyzed Michael addition of 2-methyl-acryl-amide to benzotriazole afforded 3-(1H-benzotriazol-1-yl)-2-methyl-propanamide, C10H12N4O (1), in 32% yield in addition to small amounts of isomeric 3-(2H-benzotriazol-2-yl)-2-methyl-propanamide, C10H12N4O (2). In a similar manner, 3-(1H-benzotriazol-1-yl)-N,N-di-methyl-propanamide, C11H14N4O (3), was prepared from benzotriazole and N,N-di-methyl-acryl-amide. All three products have been structurally characterized by single-crystal X-ray diffraction. The crystal structures of 1 and 2 comprise infinite arrays formed by N-H⋯O and N-H⋯N bridges, as well as π-π inter-actions, while the mol-ecules of 3 are aggregated to simple π-dimers in the crystal...
June 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28638437/a-multiplex-pcr-for-rapid-identification-of-brassica-species-in-the-triangle-of-u
#13
Joshua C O Koh, Denise M Barbulescu, Sally Norton, Bob Redden, Phil A Salisbury, Sukhjiwan Kaur, Noel Cogan, Anthony T Slater
BACKGROUND: Within the Brassicaceae, six species from the genus Brassica are widely cultivated throughout the world as oilseed, condiment, fodder or vegetable crops. The genetic relationships among the six Brassica species are described by U's triangle model. Extensive shared traits and diverse morphotypes among Brassica species make identification and classification based on phenotypic data alone challenging and unreliable, especially when dealing with large germplasm collections. Consequently, a major issue for genebank collections is ensuring the correct identification of species...
2017: Plant Methods
https://www.readbyqxmd.com/read/28636185/decarboxylative-alkynylation
#14
Joel M Smith, Tian Qin, Rohan R Merchant, Jacob T Edwards, Lara R Malins, Zhiqing Liu, Guanda Che, Zichao Shen, Scott A Shaw, Martin D Eastgate, Phil S Baran
The development of a new decarboxylative cross-coupling protocol that affords terminal and substituted alkynes from various carboxylic acids is described using both nickel- and iron-based catalysts. The use of N-hydroxytetrachlorophthalimide (TCNHPI) esters is crucial to the success of the transformation, and the reaction is amenable to in situ carboxylic acid activation. Additionally, an inexpensive, commercially-available alkyne source is employed in this formal homologation process that serves as a surrogate for other well-established alkyne syntheses...
June 21, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28628801/evaluation-of-midcarpal-capitate-contact-mechanics-in-normal-injured-and-post-operative-wrists
#15
Saman Modaresi, Madhan S Kallem, Phil Lee, Terence E McIff, E Bruce Toby, Kenneth J Fischer
BACKGROUND: Scapholunate ligament injury is a commonly occurring carpal ligament injury. Pathology associated with scapholunate ligament injury depends on several factors such as the time after injury, type of injury (instability) and the development of osteoarthritis. The aim of this study was to investigate and compare contact mechanics in the lunocapitate and scaphocapitate joints in the normal, injured (scapholunate dissociation) and repaired (postoperative) wrist. METHODS: Four human subjects with scapholunate ligament dissociation participated in this study...
June 13, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28628594/telehealth-wearable-sensors-and-the-internet-will-they-improve-stroke-outcomes-through-increased-intensity-of-therapy-motivation-and-adherence-to-rehabilitation-programs
#16
Jane H Burridge, Alan Chong W Lee, Ruth Turk, Maria Stokes, Jill Whitall, Ravi Vaidyanathan, Phil Clatworthy, Ann-Marie Hughes, Claire Meagher, Enrico Franco, Lucy Yardley
BACKGROUND AND PURPOSE: Stroke, predominantly a condition of older age, is a major cause of acquired disability in the global population and puts an increasing burden on health care resources. Clear evidence for the importance of intensity of therapy in optimizing functional outcomes is found in animal models, supported by neuroimaging and behavioral research, and strengthened by recent meta-analyses from multiple clinical trials. However, providing intensive therapy using conventional treatment paradigms is expensive and sometimes not feasible because of social and environmental factors...
July 2017: Journal of Neurologic Physical Therapy: JNPT
https://www.readbyqxmd.com/read/28619936/bipolar-light-emitting-junctions
#17
Phil Szuromi
No abstract text is available yet for this article.
June 16, 2017: Science
https://www.readbyqxmd.com/read/28619929/selecting-against-cis-conformers
#18
EDITORIAL
Phil Szuromi
No abstract text is available yet for this article.
June 16, 2017: Science
https://www.readbyqxmd.com/read/28618177/assessing-the-quality-of-primary-care-referrals-to-surgery-of-patients-with-diabetes-in-the-east-of-england-a-multi-centre-cross-sectional-cohort-study
#19
Dimitri J Pournaras, Evangelos S Photi, Nicholas Barnett, Christopher P Challand, Nikolaos A Chatzizacharias, Nokwanda P Dlamini, Triantafyllos Doulias, Aoibhinn Foley, James Hernon, Bhaskar Kumar, Jack Martin, Ian Nunney, Ioanna Panagiotopoulou, Neel Sengupta, Oshini Shivakumar, Piriyah Sinclair, Phil Stather, Miriam M Than, Antonia C Wells, Athanasios Xanthis, Ketan Dhatariya
AIM: Peri-operative hyperglycaemia is associated with an increased incidence of adverse outcomes. Communication between primary and secondary care is paramount to minimise these harms. National guidance in the UK recommends that the glycated haemoglobin (HbA1c) should be measured within 3 months prior to surgery and that the concentration should be less that 69 mmol/mol (8.5%). In addition, national guidance outlines the minimum dataset that should be included in any letter at the time of referral to the surgeons...
June 15, 2017: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/28615227/five-minutes-with-phil-richardson
#20
Gareth Iacobucci
No abstract text is available yet for this article.
June 14, 2017: BMJ: British Medical Journal
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