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https://www.readbyqxmd.com/read/29785469/early-detection-of-cerebral-infarction-after-focal-ischemia-using-a-new-mri-indicator
#1
Yukako Nakajo, Qiang Zhao, Jun-Ichiro Enmi, Hidehiro Iida, Jun C Takahashi, Hiroharu Kataoka, Keiko Yamato, Hiroji Yanamoto
Prolongation of the T2 relaxation time, an increase in T2-weighted signal intensity (T2-SI), and a decrease in the apparent diffusion coefficient (ADC) calculated from diffusion-weighted images (DWI) on magnetic resonance imaging (MRI) are conventional indicators of the vasogenic (interstitial) or cytotoxic (cellular) cerebral edema that develops after ischemic stroke. However, these parameters obtained on stroke imaging have not given us a precise threshold at which we can determine the viability or vulnerability of the tissue, allowing us to decide on an intervention that will help reversible tissue in the acute phase...
May 21, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29783946/novel-flax-orbitide-derived-from-genetic-deletion
#2
Peta-Gaye Gillian Burnett, Lester Warren Young, Clara Marisa Olivia, Pramodkumar Dinkar Jadhav, Denis Paskal Okinyo-Owiti, Martin John Tarsisius Reaney
BACKGROUND: Flaxseed orbitides are homodetic plant cyclic peptides arising from ribosomal synthesis and post-translation modification (N to C cyclization), and lacking cysteine double bonds (Nat Prod Rep 30:108-160, 2013). Screening for orbitide composition was conducted on the flax core collection (FCC) grown at both Saskatoon, Saskatchewan and Morden, Manitoba over three growing seasons (2009-2011). Two flax (Linum usitatissimum L.) accessions 'Hollandia' (CN 98056) and 'Z 11637' (CN 98150) produce neither [1-9-NαC]-linusorb B2 (3) nor [1-9-NαC]-linusorb B3 (1)...
May 21, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29780342/long-term-efficacy-of-psychosocial-treatments-for-adults-with-attention-deficit-hyperactivity-disorder-a-meta-analytic-review
#3
Carlos López-Pinar, Sonia Martínez-Sanchís, Enrique Carbonell-Vayá, Javier Fenollar-Cortés, Julio Sánchez-Meca
Background: Recent evidence suggests that psychosocial treatments, particularly cognitive-behavioral therapy (CBT), are effective interventions for adult attention deficit hyperactivity disorder (ADHD). The objective of this review was to determine the long-term efficacy of psychosocial interventions in improving clinically relevant variables, including ADHD core symptoms, clinical global impression (CGI), and global functioning. Methods: In total, nine randomized controlled trials and three uncontrolled single-group pretest-posttest studies were included...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29779723/checking-the-potential-shift-to-perceived-usefulness-the-analysis-of-users-response-to-the-updated-electronic-health-record-core-features
#4
Petar Rajković, Dejan Aleksić, Dragan Janković, Aleksandar Milenković, Ivan Petković
OBJECTIVE: The primary objective of this paper is to identify the main factors which have an impact on the users' attitude towards the functionalities representing the perceived ease of use and to those representing the perceived usefulness. Another objective is to examine whether there occurred a shift towards the perceived usefulness of users' behavior over a period of time. To support these objectives, two different cases are examined - the case in which users are simultaneously offered basic and updated functionalities, and the one in which users are offered a completely new set of features...
July 2018: International Journal of Medical Informatics
https://www.readbyqxmd.com/read/29779576/factors-influencing-change-in-walking-ability-in-patients-with-heart-failure-undergoing-exercise-based-cardiac-rehabilitation
#5
Natasha Sutherland, Alexander Harrison, Patrick Doherty
OBJECTIVES: Exercise-based cardiac rehabilitation (CR) is an effective intervention for patients with heart failure (HF), in which one of the main targets is to increase physical capacity. In the HF population this is traditionally assessed using distance covered during a walking test. This study aims to establish the extent to which change in walking ability, in HF patients attending CR, is determined by patient characteristics and service provision. METHODS: The study utilised routine clinical data from the National Audit of Cardiac Rehabilitation to perform a robust analysis...
May 17, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29776930/modifying-the-lantibiotic-mutacin-1140-for-increased-yield-activity-and-stability
#6
Mengxin Geng, Leif Smith
Mutacin 1140 belongs to the epidermin family of type AI lantibiotics. This family has a broad spectrum of activity against Gram-positive bacteria. The binding of mutacin 1140 to lipid II leads to the inhibition of cell wall synthesis. Pharmacokinetic experiments on type AI lantibiotics are generally discouraging for clinical applications due to their short half-life. The unprotected dehydrated and protease susceptible residues outside of the lanthionine rings may play a role in their short half-life in physiological settings...
May 18, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29775437/digital-microscopic-evaluation-of-vertical-marginal-discrepancies-of-cad-cam-fabricated-zirconia-cores
#7
Syed Rashid Habib
OBJECTIVE: The aim of this in vitro research study was to evaluate the vertical marginal discrepancies of zirconia (Zr) cores fabricated by five different computer-aided design and manufacturing (CAD/CAM) systems using a digital microscope. MATERIALS AND METHODS: A total of 60 specimens were prepared and randomly divided into five groups (n=12 each) using the following systems: Ceramill Motion 2 (CM, Amanngirrbach, Germany); Weiland (WI, Ivoclar Vivadent, USA); Cerec (CS, Sirona Dental, USA); Zirkonzahn (ZZ, Gmbh Bruneck, Italy) and Cad4dent (CD, Canada)...
May 18, 2018: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/29771233/regulation-of-gene-expression-of-hcp-a-core-gene-of-the-type-vi-secretion-system-in-acinetobacter-baumannii-causing-respiratory-tract-infection
#8
Yin-Yin Hu, Cai-Xia Liu, Peng Liu, Zhuo-Ying Wu, Ya-Dong Zhang, Xiao-Shun Xiong, Xiang-Yang Li
PURPOSE: The objective of the current study was to investigate whether hcp plays a role in the process of Acinetobacter baumannii infection and to examine clinically relevant factors that may affect hcp expression. METHODOLOGY: Seventy-seven A. baumannii isolates from patients with a respiratory infection at the Second Affiliated Hospital and Yuying Childrens Hospital of Wenzhou Medical University (Wenzhou, China) were included in this study. PCR was performed to screen for the presence of hcp...
May 17, 2018: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29770737/diagnostic-accuracy-and-complications-of-ct-guided-core-needle-lung-biopsy-of-solid-and-part-solid-lesions
#9
Sam Yun, Hee Kang, Young Gyoung Shin, Beom Su Kim, Jun Gu Park, Min Jung Jung
OBJECTIVES: To evaluate whether diagnostic accuracy and complications of computed tomography (CT)-guided core needle biopsy(CNB) differ for solid and part-solid lung lesions. METHODS: This retrospective study included 354 consecutive patients from April 2012 to July 2016 who underwent CT-guided CNB of lung lesions by a radiologist. Patient demographics, lung lesions' characteristics; solid or part-solid, underlying pulmonary disease, distance of path, procedure time, complications (hemorrhage or pneumothorax), histopathological results of biopsy specimens and final diagnosis were reviewed...
May 17, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29770403/post-functionalization-of-a-photoactive-hybrid-polyoxotungstate
#10
Jamie M Cameron, Satomi Fujimoto, Rong-Jia Wei, Graham N Newton, Hiroki Oshio
A new post-functionalization strategy for hybrid polyoxometalate (POM) clusters is presented, whereby the electronic properties and visible-light driven oxidative reactivity of the POM core can be altered by controlled addition of transition metal ions. The structure of three new metal-functionalised derivatives of a phosphonate hybrid-POM are discussed, alongside a comparison of their electrochemical, photo-chemical and photo-oxidative properties.
May 17, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29768466/core-non-coding-rnas-of-piscirickettsia-salmonis
#11
Cristopher Segovia, Raul Arias-Carrasco, Alejandro J Yañez, Vinicius Maracaja-Coutinho, Javier Santander
Piscirickettsia salmonis, a fastidious Gram-negative intracellular facultative bacterium, is the causative agent o Piscirickettsiosis. P. salmonis has broad host range with a nearly worldwide distribution, causing significant mortality. The molecular regulatory mechanisms of P. salmonis pathogenesis are relatively unknown, mainly due to its difficult in vitro culture and genomic differences between genogroups. Bacterial non-coding RNAs (ncRNAs) are important post-transcriptional regulators of bacterial physiology and virulence that are predominantly transcribed from intergenic regions (trans-acting) or antisense strand of open reading frames (cis-acting)...
2018: PloS One
https://www.readbyqxmd.com/read/29766617/gingival-tissue-reaction-to-direct-adhesive-restoration-a-preliminary-study
#12
Carlo Bertoldi, Davide Zaffe, Luigi Generali, Andrea Lucchi, Pierpaolo Cortellini, Emanuela Monari
INTRODUCTION: It is debated if composite resin marginal/submarginal direct restoration can be usefully performed without inflammatory consequences. This histological study is the first human analysis aimed to compare, in the same tooth, the gingival tissue close to composite resin restorations with gingival tissue close to hard tissue. METHODS: Eight healthy patients with almost a residual strategic tooth needing endodontic therapy, and post-and-core restoration, then indirect prosthetic restoration, were selected...
May 16, 2018: Oral Diseases
https://www.readbyqxmd.com/read/29762723/pyabc-distributed-likelihood-free-inference
#13
Emmanuel Klinger, Dennis Rickert, Jan Hasenauer
Summary: Likelihood-free methods are often required for inference in systems biology. While Approximate Bayesian Computation (ABC) provides a theoretical solution, its practical application has often been challenging due to its high computational demands. To scale likelihood-free inference to computationally demanding stochastic models we developed pyABC: a distributed and scalable ABC-Sequential Monte Carlo (ABC-SMC) framework. It implements a scalable, runtime-minimizing parallelization strategy for multi-core and distributed environments scaling to thousands of cores...
May 14, 2018: Bioinformatics
https://www.readbyqxmd.com/read/29760816/management-of-cervically-fractured-central-incisors-a-multidisciplinary-approach
#14
Rakesh R Rajan, Sapna Chandira Muddappa, Priya Rajendran, Ashok Sukumaran Nair
Introduction: Fracture of tooth structure at or below the gingival margin compromises rehabilitation and hampers esthetics and function. Management: Management of such cases by a post-core and crown restoration, or periodontal surgery or orthodontic extrusion alone may not always suffice in attaining a good result. Case Report: A multi-disciplinary approach which includes all of the above mentioned procedures helps in long term success. Conclusion: Careful case evaluation, treatment planning and meticulous attention to detail are the keys to the best treatment outcome...
2018: Open Dentistry Journal
https://www.readbyqxmd.com/read/29760012/agreement-between-core-laboratory-and-study-investigators-for-imaging-scores-in-a-thrombectomy-trial
#15
Robert Fahed, Malek Ben Maacha, Célina Ducroux, Naim Khoury, Raphaël Blanc, Michel Piotin, Bertrand Lapergue
PURPOSE: We aimed to assess the agreement between study investigators and the core laboratory (core lab) of a thrombectomy trial for imaging scores. METHODS: The Alberta Stroke Program Early CT Score (ASPECTS), the European Collaborative Acute Stroke Study (ECASS) hemorrhagic transformation (HT) classification, and the Thrombolysis In Cerebral Infarction (TICI) scores as recorded by study investigators were compared with the core lab scores in order to assess interrater agreement, using Cohen's unweighted and weighted kappa statistics...
May 14, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29758044/prickle-is-phosphorylated-by-nemo-and-targeted-for-degradation-to-maintain-prickle-spiny-legs-isoform-balance-during-planar-cell-polarity-establishment
#16
Giovanna M Collu, Andreas Jenny, Konstantin Gaengel, Ivana Mirkovic, Mei-Ling Chin, Ursula Weber, Michael J Smith, Marek Mlodzik
Planar cell polarity (PCP) instructs tissue patterning in a wide range of organisms from fruit flies to humans. PCP signaling coordinates cell behavior across tissues and is integrated by cells to couple cell fate identity with position in a developing tissue. In the fly eye, PCP signaling is required for the specification of R3 and R4 photoreceptors based upon their positioning relative to the dorso-ventral axis. The 'core' PCP pathway involves the asymmetric localization of two distinct membrane-bound complexes, one containing Frizzled (Fz, required in R3) and the other Van Gogh (Vang, required in R4)...
May 14, 2018: PLoS Genetics
https://www.readbyqxmd.com/read/29757381/the-parasitic-nematode-oesophagostomum-dentatum-synthesizes-unusual-glycosaminoglycan-like-o-glycans
#17
Jorick Vanbeselaere, Shi Yan, Anja Joachim, Katharina Paschinger, Iain B H Wilson
O-glycosylation is probably one of the most varied sets of post-translational modifications across all organisms, but amongst the most refractory to analyse. In animals, O-xylosylation of serine residues represents the first stage in the synthesis of glycosaminoglycans, whose repeat regions are generally analysed as fragments resulting from enzymatic or chemical degradation, whereas their core regions can be isolated by β-elimination or endo-β-xylosidase digestion. In the present study, we show that hydrazinolysis can be employed for release of glycosaminoglycan-type oligosaccharides from nematodes prior to fluorescent labelling with 2-aminopyridine...
May 11, 2018: Glycobiology
https://www.readbyqxmd.com/read/29756670/the-influence-of-post-system-design-and-material-on-the-biomechanical-behavior-of-teeth-with-little-remaining-coronal-structure
#18
Cristiano Lazzari Pinto, Claudia Lopes Brilhante Bhering, Gabriel Rodrigues de Oliveira, Angélica Maroli, Vagner Flávio Reginato, Ricardo Armini Caldas, Atais Bacchi
PURPOSE: To evaluate the influence of different post systems on the biomechanical behavior of teeth with a severe loss of remaining coronal structure. MATERIALS AND METHODS: Fifty standardized bovine teeth (n = 10 per group) were restored with: cast post-and-core (CPC), prefabricated metallic post (PFM), parallel glass-fiber post (P-FP), conical glass-fiber post (C-FP), or composite core (no post, CC). The survival rate during thermomechanical challenging (TC), the fracture strength (FS), and failure patterns (FP) were evaluated...
May 14, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29753551/development-of-quality-indicators-to-monitor-radiotherapy-care-for-men-with-prostate-cancer-a-modified-delphi-method
#19
Ellie Tsiamis, Jeremy Millar, Siddhartha Baxi, Martin Borg, Paolo De Ieso, Hany Elsaleh, Farshad Foroudi, Braden Higgs, Tanya Holt, Jarad Martin, Kim Moretti, David Pryor, Marketa Skala, Sue Evans
BACKGROUND AND PURPOSE: Quality indicators (QIs) have been developed for many aspects of prostate cancer care, but are under-developed with regard to radiotherapy treatment. We aimed to develop a valid, relevant and feasible set of core QIs to measure quality of radiotherapy care in men with prostate cancer. MATERIALS AND METHODS: We used a RAND-modified Delphi process to select QIs that were regarded as both important and feasible measures of quality radiotherapy care...
May 9, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29751056/sex-and-trait-anxiety-differences-in-psychological-stress-are-modified-by-environment
#20
James Liu, John Scira, Simone Donaldson, Nina Kajiji, Gordon H Dash, S Tiffany Donaldson
Evidence-based research has revealed how physiological and emotional responses to acute stress are adaptive. However, under conditions of unpredictable or protracted stress, health and drug vulnerability can be compromised. In this study, we examined anxiety-like behavioral responses of 4th generation adolescent male and female Long Evans rats selectively bred for high (HAn) and low (LAn) anxiety-like behavior when housed in an isolated environment (IE) versus a social environment (SE). After 35 days in IE or SE, animals were tested in the elevated plus maze (EPM), injected with amphetamine (AMPH: 0...
May 8, 2018: Neuroscience
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